/* roulang page: index */
:root {
            --brand-orange: #FF6B35;
            --brand-red: #D32F2F;
            --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #D32F2F 100%);
            --brand-gold: #FFB800;
            --bg-warm: #F9F9F9;
            --bg-light: #FEFEFE;
            --text-dark: #2D2D2D;
            --text-mid: #6B6B6B;
            --text-light: #999;
            --white: #FFFFFF;
            --border-subtle: #E8E8E8;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.06);
            --radius-card: 16px;
            --radius-btn: 30px;
            --radius-chip: 20px;
            --radius-badge: 20px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 50px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            color: var(--text-dark);
            background: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            padding-bottom: 70px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--brand-orange);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-main {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: var(--shadow-nav);
            padding: 0 20px;
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-brand i {
            color: var(--brand-orange);
            font-size: 1.5rem;
        }
        .logo-brand:hover {
            color: var(--brand-orange);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-chip {
            display: inline-block;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: #F0F0F0;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-chip:hover {
            background: #FFE0D3;
            color: var(--brand-red);
            transform: translateY(-1px);
        }
        .nav-chip.active {
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .nav-cta-btn:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }
        .nav-cta-btn:active {
            transform: scale(0.97);
        }
        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
            cursor: pointer;
        }
        @media (max-width: 1024px) {
            .nav-chips {
                gap: 3px;
            }
            .nav-chip {
                padding: 6px 11px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger-toggle {
                display: block;
            }
            .nav-chips {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                z-index: 999;
                border-radius: 0 0 16px 16px;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                padding: 7px 15px;
                font-size: 0.82rem;
            }
        }

        /* ========== SECTIONS ========== */
        section {
            padding: var(--section-pad) 20px;
        }
        @media (max-width: 768px) {
            section {
                padding: var(--section-pad-mobile) 16px;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-orange);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-mid);
            margin-bottom: 2rem;
            max-width: 700px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.5rem;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, rgba(30, 10, 8, 0.88) 0%, rgba(20, 8, 5, 0.92) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 100px 20px 80px;
            color: var(--white);
            overflow: hidden;
        }
        .hero-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }
        .hero-left {
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            background: rgba(255, 255, 255, 0.15);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
        }
        .hero-left h1 {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }
        .hero-left h1 span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary:hover {
            transform: scale(1.04);
            color: #fff;
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.5);
        }
        .btn-primary:active {
            transform: scale(0.96);
        }
        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: scale(1.03);
        }
        .hero-right {
            z-index: 2;
        }
        .data-panel {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }
        .data-panel h3 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            opacity: 0.9;
        }
        .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
        }
        .data-row:last-child {
            border-bottom: none;
        }
        .data-val {
            font-weight: 700;
            color: var(--brand-gold);
            font-size: 1.05rem;
        }
        .data-badge-pill {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            margin-left: 6px;
        }
        @media (max-width: 900px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-left h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-section {
                min-height: auto;
                padding: 80px 16px 60px;
            }
            .data-panel {
                padding: 18px;
            }
        }
        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 1.7rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                text-align: center;
            }
        }

        /* ========== COUNTDOWN ========== */
        .countdown-section {
            background: var(--bg-warm);
            text-align: center;
        }
        .countdown-grid {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .countdown-item {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            min-width: 90px;
            box-shadow: var(--shadow-card);
        }
        .countdown-num {
            font-size: 2.6rem;
            font-weight: 700;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .countdown-label {
            font-size: 0.85rem;
            color: var(--text-mid);
            margin-top: 4px;
        }
        @media (max-width: 520px) {
            .countdown-item {
                min-width: 65px;
                padding: 14px 16px;
            }
            .countdown-num {
                font-size: 2rem;
            }
        }

        /* ========== HIGHLIGHTS WALL ========== */
        .highlights-section {
            background: var(--white);
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .highlight-card {
            background: var(--bg-warm);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            border: 1px solid transparent;
        }
        .highlight-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: #FFE0D3;
        }
        .highlight-icon {
            font-size: 2.8rem;
            margin-bottom: 14px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .highlight-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .highlight-card p {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .highlights-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .highlights-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SELLING POINTS ========== */
        .selling-section {
            background: var(--bg-warm);
        }
        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .selling-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .selling-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .selling-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            background: var(--brand-gradient);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .selling-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
            color: var(--brand-orange);
        }
        .selling-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .selling-card p {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .selling-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .selling-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SCENE DEMO ========== */
        .scene-section {
            background: var(--white);
        }
        .scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 48px;
        }
        .scene-row:last-child {
            margin-bottom: 0;
        }
        .scene-row.reverse {
            direction: rtl;
        }
        .scene-row.reverse .scene-text {
            direction: ltr;
        }
        .scene-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .scene-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .scene-text p {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .scene-text ul {
            list-style: none;
            padding: 0;
        }
        .scene-text ul li {
            padding: 6px 0;
            font-size: 0.95rem;
            color: var(--text-dark);
        }
        .scene-text ul li i {
            color: var(--brand-orange);
            margin-right: 8px;
        }
        @media (max-width: 768px) {
            .scene-row {
                grid-template-columns: 1fr;
                gap: 20px;
                margin-bottom: 36px;
            }
            .scene-row.reverse {
                direction: ltr;
            }
            .scene-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== TIER COMPARE ========== */
        .tier-section {
            background: var(--bg-warm);
        }
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .tier-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
            display: flex;
            flex-direction: column;
        }
        .tier-card.featured {
            border-color: var(--brand-orange);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.18);
            transform: scale(1.03);
        }
        .tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .tier-card.featured:hover {
            transform: scale(1.04) translateY(-4px);
        }
        .tier-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .tier-price {
            font-size: 2.2rem;
            font-weight: 700;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .tier-features {
            list-style: none;
            padding: 0;
            text-align: left;
            flex-grow: 1;
        }
        .tier-features li {
            padding: 7px 0;
            font-size: 0.9rem;
            color: var(--text-mid);
            border-bottom: 1px solid var(--border-subtle);
        }
        .tier-features li i {
            color: var(--brand-orange);
            margin-right: 6px;
        }
        .tier-btn {
            display: inline-block;
            margin-top: 18px;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            width: 100%;
            text-align: center;
        }
        .tier-btn:hover {
            transform: scale(1.03);
            color: #fff;
            box-shadow: 0 6px 18px rgba(211, 47, 47, 0.4);
        }
        @media (max-width: 900px) {
            .tier-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tier-card.featured {
                transform: scale(1);
            }
            .tier-card.featured:hover {
                transform: translateY(-4px);
            }
        }
        @media (max-width: 520px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== DATA ANALYTICS ========== */
        .analytics-section {
            background: var(--white);
        }
        .analytics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .kpi-card {
            background: var(--bg-warm);
            border-radius: var(--radius-card);
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .kpi-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .kpi-num {
            font-size: 2.4rem;
            font-weight: 700;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .kpi-label {
            font-size: 0.9rem;
            color: var(--text-mid);
            margin-top: 4px;
        }
        .kpi-trend {
            font-size: 0.8rem;
            color: #27ae60;
            font-weight: 600;
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .analytics-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .analytics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: radial-gradient(ellipse at center, #FFF 0%, #F9F9F9 100%);
            text-align: center;
        }
        .brand-intro-text {
            max-width: 750px;
            margin: 0 auto;
            font-size: 1.1rem;
            line-height: 1.9;
            color: var(--text-dark);
            text-align: left;
            text-indent: 2em;
        }
        @media (max-width: 768px) {
            .brand-intro-text {
                font-size: 1rem;
                text-indent: 1.5em;
                padding: 0 8px;
            }
        }

        /* ========== NEWS CENTER ========== */
        .news-section {
            background: var(--bg-warm);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 32px;
        }
        .news-item {
            display: flex;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-subtle);
            align-items: flex-start;
        }
        .news-date {
            font-size: 0.85rem;
            color: var(--text-mid);
            white-space: nowrap;
            font-weight: 500;
            min-width: 85px;
        }
        .news-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .news-content h4 a {
            color: inherit;
        }
        .news-content h4 a:hover {
            color: var(--brand-orange);
        }
        .news-summary {
            font-size: 0.85rem;
            color: var(--text-mid);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-orange);
            transition: all var(--transition-fast);
        }
        .news-readmore:hover {
            color: var(--brand-red);
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .news-item {
                flex-direction: column;
                gap: 4px;
            }
        }

        /* ========== SOCIAL PROOF ========== */
        .social-proof-section {
            background: var(--white);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--bg-warm);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .testimonial-quote {
            font-style: italic;
            color: var(--text-dark);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 14px;
            position: relative;
            padding-left: 20px;
        }
        .testimonial-quote::before {
            content: '"';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 2rem;
            color: var(--brand-orange);
            font-weight: 700;
            line-height: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
        }
        .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
        }
        .author-role {
            font-size: 0.8rem;
            color: var(--text-mid);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== INSIGHT ========== */
        .insight-section {
            background: var(--bg-warm);
        }
        .insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .insight-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border-left: 5px solid var(--brand-orange);
            transition: all var(--transition-smooth);
        }
        .insight-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .insight-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .insight-card p {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.6;
        }
        .insight-card .insight-source {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 10px;
            font-style: italic;
        }
        @media (max-width: 768px) {
            .insight-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PLATFORM GUARANTEE ========== */
        .guarantee-section {
            background: var(--white);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .guarantee-item {
            text-align: center;
            padding: 20px 14px;
            border-radius: var(--radius-card);
            background: var(--bg-warm);
            transition: all var(--transition-smooth);
        }
        .guarantee-item:hover {
            background: #FFF5F0;
            transform: translateY(-2px);
        }
        .guarantee-icon {
            font-size: 2rem;
            color: var(--brand-orange);
            margin-bottom: 8px;
        }
        .guarantee-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
        }
        .guarantee-item p {
            font-size: 0.8rem;
            color: var(--text-mid);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--brand-gradient);
            color: #fff;
            text-align: center;
            border-radius: 0;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.85);
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 1rem;
            font-family: var(--font-stack);
            outline: none;
        }
        .cta-form input:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.5);
        }
        .btn-cta-submit {
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            color: var(--brand-red);
            background: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-cta-submit:hover {
            transform: scale(1.04);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-submit:active {
            transform: scale(0.96);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-warm);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: 12px;
            padding: 18px 22px;
            margin-bottom: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }
        .faq-item:hover {
            border-color: #FFE0D3;
            box-shadow: var(--shadow-card);
        }
        .faq-q {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-q i {
            color: var(--brand-orange);
            transition: transform var(--transition-smooth);
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-top: 10px;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ========== FIXED BOTTOM BAR ========== */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--brand-gradient);
            color: #fff;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
            min-height: 60px;
        }
        .fixed-bottom-bar p {
            margin: 0;
            font-weight: 500;
            font-size: 0.95rem;
        }
        .fixed-bottom-bar .btn-primary {
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
            padding: 10px 22px;
            font-size: 0.9rem;
        }
        @media (max-width: 520px) {
            .fixed-bottom-bar {
                min-height: 50px;
                padding: 10px 14px;
                gap: 10px;
            }
            .fixed-bottom-bar p {
                font-size: 0.82rem;
            }
            .fixed-bottom-bar .btn-primary {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 48px 20px 24px;
        }
        .footer-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-orange);
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #999;
            line-height: 1.6;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 20px;
            border: 1px solid #444;
            background: #2a2a2a;
            color: #fff;
            font-size: 0.9rem;
            font-family: var(--font-stack);
            outline: none;
        }
        .footer-subscribe input:focus {
            border-color: var(--brand-orange);
        }
        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .footer-subscribe button:hover {
            transform: scale(1.03);
            opacity: 0.9;
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid #333;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
            gap: 10px;
        }
        .footer-bottom a {
            color: #aaa;
        }
        .footer-bottom a:hover {
            color: var(--brand-orange);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --brand-orange: #FF6B35;
            --brand-red: #D32F2F;
            --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #D32F2F 100%);
            --brand-gold: #FFB800;
            --bg-warm: #F9F9F9;
            --bg-light: #FEFEFE;
            --text-dark: #2D2D2D;
            --text-mid: #6B6B6B;
            --text-light: #999;
            --white: #FFFFFF;
            --border-subtle: #E8E8E8;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.06);
            --radius-card: 16px;
            --radius-btn: 30px;
            --radius-chip: 20px;
            --radius-badge: 20px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 50px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            color: var(--text-dark);
            background: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--brand-orange);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-main {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: var(--shadow-nav);
            padding: 0 20px;
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-brand i {
            color: var(--brand-orange);
            font-size: 1.5rem;
        }

        .logo-brand:hover {
            color: var(--brand-orange);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-chip {
            display: inline-block;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: #F0F0F0;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-chip:hover {
            background: #FFE0D3;
            color: var(--brand-red);
            transform: translateY(-1px);
        }

        .nav-chip.active {
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .nav-cta-btn:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }

        .nav-cta-btn:active {
            transform: scale(0.97);
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
            cursor: pointer;
        }

        /* ========== SECTION COMMONS ========== */
        .section-pad {
            padding: var(--section-pad) 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-mid);
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
            text-align: center;
        }

        .btn-primary:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-block;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-red);
            background: transparent;
            border: 2px solid var(--brand-red);
            transition: all var(--transition-smooth);
            text-align: center;
        }

        .btn-outline:hover {
            background: var(--brand-gradient);
            color: var(--white);
            border-color: transparent;
            transform: scale(1.03);
        }

        .badge-gold {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--white);
            background: var(--brand-gradient);
            white-space: nowrap;
        }

        .card-elevated {
            background: var(--white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card-elevated:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        /* ========== HERO (矮横幅风格) ========== */
        .hero-category {
            background: var(--bg-warm);
            padding: 40px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--brand-gradient);
        }

        .hero-cat-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-cat-text {
            flex: 1 1 400px;
            min-width: 280px;
        }

        .hero-cat-text h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }

        .hero-cat-text h1 span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-cat-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-mid);
            margin-bottom: 1.5rem;
            line-height: 1.7;
            max-width: 550px;
        }

        .hero-cat-visual {
            flex: 0 0 320px;
            min-width: 260px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: #fff;
        }

        .hero-cat-visual img {
            width: 100%;
            height: auto;
            display: block;
        }

        .hero-stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .hero-stat-item {
            background: var(--white);
            border-radius: 12px;
            padding: 14px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            min-width: 90px;
            flex: 1 1 auto;
        }

        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--brand-red);
            line-height: 1.1;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-mid);
            margin-top: 2px;
        }

        /* ========== 卖点三连卡片 ========== */
        .cards-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .feature-card .fc-icon {
            font-size: 2.2rem;
            color: var(--brand-orange);
            margin-bottom: 14px;
            display: block;
        }

        .feature-card .fc-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--brand-gradient);
            color: var(--white);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            font-size: 0.8rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.6;
        }

        /* ========== 场景演示 ========== */
        .scene-row {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .scene-row.reverse {
            flex-direction: row-reverse;
        }

        .scene-img {
            flex: 1 1 350px;
            min-width: 280px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .scene-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        .scene-text {
            flex: 1 1 350px;
            min-width: 280px;
        }

        .scene-text h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .scene-text p {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .scene-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .scene-text ul li {
            padding: 6px 0;
            font-size: 0.95rem;
            color: var(--text-mid);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .scene-text ul li i {
            color: var(--brand-orange);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== 内容卡片列表 ========== */
        .content-list-card {
            display: flex;
            gap: 20px;
            background: var(--white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 16px;
            transition: all var(--transition-smooth);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .content-list-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .content-list-thumb {
            flex: 0 0 180px;
            min-width: 140px;
            border-radius: 12px;
            overflow: hidden;
            height: 120px;
        }

        .content-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .content-list-info {
            flex: 1 1 250px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 200px;
        }

        .content-list-info h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .content-list-info .cl-date {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .content-list-info .cl-excerpt {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .content-list-info .cl-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-red);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .content-list-info .cl-link:hover {
            color: var(--brand-orange);
        }

        .pagination-row {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .pagination-row .page-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 500;
            background: #F0F0F0;
            color: var(--text-dark);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination-row .page-dot.active {
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
        }

        .pagination-row .page-dot:hover {
            background: #FFE0D3;
            color: var(--brand-red);
        }

        .pagination-row .page-dot.active:hover {
            background: var(--brand-gradient);
            color: var(--white);
        }

        /* ========== 深度内容区 ========== */
        .deep-block {
            background: var(--bg-warm);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            align-items: center;
        }

        .deep-block-img {
            flex: 1 1 300px;
            min-width: 240px;
            border-radius: 12px;
            overflow: hidden;
        }

        .deep-block-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        .deep-block-text {
            flex: 2 1 400px;
            min-width: 280px;
        }

        .deep-block-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .deep-block-text p {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        /* ========== 评价卡片 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .testimonial-card .t-quote {
            font-size: 2rem;
            color: var(--brand-orange);
            opacity: 0.5;
            line-height: 1;
            margin-bottom: 8px;
        }

        .testimonial-card .t-text {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 14px;
        }

        .testimonial-card .t-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        .testimonial-card .t-role {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            margin-bottom: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #FFD0B8;
        }

        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #FAFAFA;
            transition: background var(--transition-fast);
            user-select: none;
        }

        .faq-question:hover {
            background: #FFF3ED;
        }

        .faq-question i {
            color: var(--brand-orange);
            transition: transform var(--transition-smooth);
            font-size: 0.9rem;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 14px 20px;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--brand-gradient);
            padding: 50px 0;
            text-align: center;
            color: var(--white);
            border-radius: 0;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-white {
            display: inline-block;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-red);
            background: var(--white);
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .cta-section .btn-white:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
            color: var(--brand-red);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A1A;
            color: #CCC;
            padding: 50px 0 20px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #AAA;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--brand-orange);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo i {
            color: var(--brand-orange);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: #999;
            line-height: 1.6;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 20px;
            border: 1px solid #444;
            background: #2A2A2A;
            color: #DDD;
            font-size: 0.85rem;
            font-family: var(--font-stack);
            min-width: 140px;
        }

        .footer-subscribe input::placeholder {
            color: #777;
        }

        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 20px;
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
        }

        .footer-subscribe button:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: 30px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid #333;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #888;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: #AAA;
        }

        .footer-bottom a:hover {
            color: var(--brand-orange);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .cards-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-cat-inner {
                flex-direction: column;
            }
            .hero-cat-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-cat-text h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .cards-grid-3 {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-pad {
                padding: var(--section-pad-mobile) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-cat-text h1 {
                font-size: 1.7rem;
            }
            .scene-row,
            .scene-row.reverse {
                flex-direction: column;
            }
            .deep-block {
                flex-direction: column;
            }
            .content-list-card {
                flex-direction: column;
            }
            .content-list-thumb {
                flex: 0 0 auto;
                width: 100%;
                height: 160px;
            }
            .nav-chips {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                z-index: 999;
                border-radius: 0 0 16px 16px;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .hamburger-toggle {
                display: block;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-item {
                min-width: 70px;
                padding: 10px 12px;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-stats-row {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 8px;
            }
            .hero-stat-item {
                flex: 1 1 40%;
                min-width: 60px;
            }
            .pagination-row .page-dot {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .feature-card h3 {
                font-size: 1.05rem;
            }
            .content-list-thumb {
                height: 130px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-orange: #FF6B35;
            --brand-red: #D32F2F;
            --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #D32F2F 100%);
            --brand-gold: #FFB800;
            --bg-warm: #F9F9F9;
            --bg-light: #FEFEFE;
            --text-dark: #2D2D2D;
            --text-mid: #6B6B6B;
            --text-light: #999;
            --white: #FFFFFF;
            --border-subtle: #E8E8E8;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.06);
            --radius-card: 16px;
            --radius-btn: 30px;
            --radius-chip: 20px;
            --radius-badge: 20px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 50px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            color: var(--text-dark);
            background: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            padding-bottom: 0;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--brand-orange);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container-main {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: var(--shadow-nav);
            padding: 0 20px;
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
            position: relative;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-brand i {
            color: var(--brand-orange);
            font-size: 1.5rem;
        }
        .logo-brand:hover {
            color: var(--brand-orange);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 5px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-chip {
            display: inline-block;
            padding: 7px 15px;
            border-radius: var(--radius-chip);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: #F0F0F0;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-chip:hover {
            background: #FFE0D3;
            color: var(--brand-red);
            transform: translateY(-1px);
        }
        .nav-chip.active {
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .nav-cta-btn:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }
        .nav-cta-btn:active {
            transform: scale(0.97);
        }
        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
            cursor: pointer;
        }

        /* ========== SECTION通用 ========== */
        .section-block {
            padding: var(--section-pad) 20px;
        }
        .section-block.bg-warm {
            background: var(--bg-warm);
        }
        .section-block.bg-white {
            background: var(--white);
        }
        .section-block.bg-dark {
            background: #1a1a1a;
            color: #e0e0e0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-mid);
            text-align: center;
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .section-block.bg-dark .section-title {
            color: #fff;
        }
        .section-block.bg-dark .section-subtitle {
            color: #bbb;
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: #1a1a1a;
            padding: 60px 20px;
        }
        .hero-category .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(211, 47, 47, 0.75) 0%, rgba(255, 107, 53, 0.55) 50%, rgba(0, 0, 0, 0.7) 100%);
            z-index: 1;
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }
        .hero-category .hero-text {
            flex: 1 1 480px;
            color: #fff;
        }
        .hero-category .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.25;
            color: #fff;
        }
        .hero-category .hero-text h1 span {
            color: var(--brand-gold);
        }
        .hero-category .hero-text p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 560px;
        }
        .hero-category .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            background: var(--brand-gradient);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.4);
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary:hover {
            transform: scale(1.04);
            color: #fff;
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.55);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline-light {
            display: inline-block;
            padding: 12px 30px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-data-badges {
            flex: 0 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
            min-width: 200px;
        }
        .hero-data-badge {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-badge);
            padding: 16px 20px;
            color: #fff;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .hero-data-badge:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .hero-data-badge .badge-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-gold);
            display: block;
            line-height: 1.2;
        }
        .hero-data-badge .badge-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 4px;
        }

        /* ========== 三连卡片 ========== */
        .cards-triple {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .card-feature {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .card-feature:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .card-feature .card-icon {
            font-size: 2.4rem;
            color: var(--brand-orange);
            margin-bottom: 16px;
            display: inline-block;
            transition: transform var(--transition-smooth);
        }
        .card-feature:hover .card-icon {
            transform: scale(1.1);
        }
        .card-feature .card-badge-top {
            display: inline-block;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            padding: 5px 16px;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .card-feature h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        .card-feature p {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 图文交替 ========== */
        .media-row {
            display: flex;
            align-items: center;
            gap: 48px;
            max-width: var(--max-width);
            margin: 0 auto 60px;
            flex-wrap: wrap;
        }
        .media-row:last-child {
            margin-bottom: 0;
        }
        .media-row.reverse {
            flex-direction: row-reverse;
        }
        .media-row .media-img {
            flex: 1 1 400px;
            min-width: 280px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .media-row .media-img img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .media-row .media-img:hover img {
            transform: scale(1.03);
        }
        .media-row .media-text {
            flex: 1 1 380px;
            min-width: 280px;
        }
        .media-row .media-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-dark);
        }
        .media-row .media-text p {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .media-row .media-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .media-row .media-text ul li {
            padding: 6px 0;
            font-size: 0.95rem;
            color: var(--text-dark);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .media-row .media-text ul li i {
            color: var(--brand-orange);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== 数据覆盖网格 ========== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .coverage-item {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }
        .coverage-item:hover {
            border-color: var(--brand-orange);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .coverage-item .cov-num {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--brand-red);
            display: block;
            line-height: 1.2;
        }
        .coverage-item .cov-label {
            font-size: 0.9rem;
            color: var(--text-mid);
            margin-top: 6px;
        }
        .coverage-item i {
            font-size: 2rem;
            color: var(--brand-orange);
            margin-bottom: 10px;
            display: block;
        }

        /* ========== 时间线/流程 ========== */
        .timeline-flow {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }
        .timeline-flow::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--brand-gradient);
            border-radius: 3px;
        }
        .timeline-node {
            position: relative;
            padding: 20px 0 20px 36px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            transition: all var(--transition-smooth);
        }
        .timeline-node:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateX(4px);
        }
        .timeline-node::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 28px;
            width: 14px;
            height: 14px;
            background: var(--brand-gradient);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.2);
            z-index: 2;
        }
        .timeline-node h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-dark);
        }
        .timeline-node p {
            font-size: 0.95rem;
            color: var(--text-mid);
            margin: 0;
            line-height: 1.6;
        }
        .timeline-node .time-tag {
            display: inline-block;
            background: #FFF0E8;
            color: var(--brand-red);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
        }

        /* ========== 评价卡片 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--brand-orange);
            opacity: 0.4;
            margin-bottom: 8px;
        }
        .testimonial-card .quote-text {
            font-style: italic;
            font-size: 0.95rem;
            color: var(--text-dark);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .testimonial-card .quote-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-dark);
        }
        .testimonial-card .quote-role {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }
        .faq-item:hover {
            border-color: #FFE0D3;
        }
        .faq-item details {
            cursor: pointer;
        }
        .faq-item summary {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-dark);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-fast);
            outline: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--brand-orange);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item details[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item details[open] summary {
            color: var(--brand-red);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.7;
        }

        /* ========== CTA大区块 ========== */
        .cta-section {
            background: var(--brand-gradient);
            border-radius: 24px;
            padding: 56px 40px;
            text-align: center;
            max-width: var(--max-width);
            margin: 0 auto;
            color: #fff;
            box-shadow: 0 12px 40px rgba(211, 47, 47, 0.35);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .btn-cta-large {
            display: inline-block;
            padding: 15px 40px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--brand-red);
            background: #fff;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }
        .btn-cta-large:hover {
            transform: scale(1.05);
            color: var(--brand-red);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .btn-cta-large:active {
            transform: scale(0.96);
        }

        /* ========== 底部固定转化条 ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--brand-gradient);
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 20px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        }
        .sticky-bottom-bar .sticky-text {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            white-space: nowrap;
        }
        .sticky-bottom-bar .btn-sticky {
            display: inline-block;
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--brand-red);
            background: #fff;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
        }
        .sticky-bottom-bar .btn-sticky:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 50px 20px 30px;
            margin-top: 0;
        }
        .footer-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 36px;
            padding-bottom: 30px;
            border-bottom: 1px solid #333;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-orange);
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-logo i {
            color: var(--brand-orange);
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #999;
            line-height: 1.6;
            margin: 0;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 20px;
            border: 1px solid #444;
            background: #222;
            color: #fff;
            font-size: 0.85rem;
            outline: none;
            transition: border var(--transition-fast);
        }
        .footer-subscribe input:focus {
            border-color: var(--brand-orange);
        }
        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 20px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 20px auto 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: #888;
            justify-content: center;
            text-align: center;
        }
        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--brand-orange);
        }
        .footer-bottom span {
            white-space: nowrap;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .cards-triple {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-category .hero-text h1 {
                font-size: 2.2rem;
            }
            .hero-category {
                min-height: 440px;
                padding: 40px 20px;
            }
            .hero-data-badges {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 10px;
            }
            .hero-data-badge {
                flex: 1 1 140px;
                min-width: 120px;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .nav-chips {
                gap: 3px;
            }
            .nav-chip {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .cards-triple {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .media-row {
                flex-direction: column !important;
                gap: 24px;
                margin-bottom: 36px;
            }
            .media-row .media-img {
                flex: 1 1 auto;
                min-width: 100%;
            }
            .media-row .media-text {
                flex: 1 1 auto;
                min-width: 100%;
            }
            .hero-category {
                min-height: 380px;
                padding: 30px 16px;
            }
            .hero-category .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-category .hero-text p {
                font-size: 0.95rem;
            }
            .hero-category .hero-content {
                flex-direction: column;
                gap: 20px;
            }
            .hero-data-badges {
                flex-direction: row;
                flex-wrap: wrap;
                width: 100%;
                gap: 8px;
            }
            .hero-data-badge {
                flex: 1 1 100px;
                min-width: 90px;
                padding: 12px 14px;
            }
            .hero-data-badge .badge-num {
                font-size: 1.5rem;
            }
            .section-block {
                padding: var(--section-pad-mobile) 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .timeline-flow {
                padding-left: 28px;
            }
            .timeline-flow::before {
                left: 11px;
            }
            .timeline-node {
                padding: 16px 0 16px 28px;
            }
            .timeline-node::before {
                left: -22px;
                width: 10px;
                height: 10px;
                top: 22px;
            }
            .sticky-bottom-bar {
                height: 50px;
                gap: 10px;
                padding: 0 12px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.85rem;
            }
            .sticky-bottom-bar .btn-sticky {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hamburger-toggle {
                display: block;
            }
            .nav-chips {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                z-index: 999;
                border-radius: 0 0 16px 16px;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .hero-category .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-data-badge {
                flex: 1 1 70px;
                min-width: 65px;
                padding: 10px;
            }
            .hero-data-badge .badge-num {
                font-size: 1.2rem;
            }
            .hero-data-badge .badge-label {
                font-size: 0.7rem;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .coverage-item {
                padding: 16px 12px;
            }
            .coverage-item .cov-num {
                font-size: 1.6rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .sticky-bottom-bar {
                height: 44px;
                gap: 6px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.75rem;
            }
            .sticky-bottom-bar .btn-sticky {
                padding: 6px 14px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category3 */
:root {
            --brand-orange: #FF6B35;
            --brand-red: #D32F2F;
            --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #D32F2F 100%);
            --brand-gradient-v: linear-gradient(180deg, #FF6B35 0%, #D32F2F 100%);
            --brand-gold: #FFB800;
            --bg-warm: #F9F9F9;
            --bg-light: #FEFEFE;
            --bg-soft: #FFF8F5;
            --text-dark: #2D2D2D;
            --text-mid: #6B6B6B;
            --text-light: #999;
            --white: #FFFFFF;
            --border-subtle: #E8E8E8;
            --border-light: #F0F0F0;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
            --radius-card: 16px;
            --radius-btn: 30px;
            --radius-chip: 20px;
            --radius-badge: 20px;
            --radius-sm: 10px;
            --radius-lg: 20px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 50px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            color: var(--text-dark);
            background: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            padding-bottom: 0;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--brand-orange);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container-main {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: var(--shadow-nav);
            padding: 0 20px;
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-brand i {
            color: var(--brand-orange);
            font-size: 1.5rem;
        }
        .logo-brand:hover {
            color: var(--brand-orange);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-chip {
            display: inline-block;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: #F0F0F0;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-chip:hover {
            background: #FFE0D3;
            color: var(--brand-red);
            transform: translateY(-1px);
        }
        .nav-chip.active {
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .nav-cta-btn:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }
        .nav-cta-btn:active {
            transform: scale(0.97);
        }
        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-block;
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
            text-align: center;
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.45);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            display: inline-block;
            padding: 12px 30px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-red);
            background: transparent;
            border: 2px solid var(--brand-red);
            transition: all var(--transition-smooth);
            text-align: center;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--brand-gradient);
            color: var(--white);
            border-color: transparent;
            transform: scale(1.03);
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
            border-radius: 22px;
            font-weight: 500;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-pad) 20px;
        }
        .section-warm {
            background: var(--bg-warm);
        }
        .section-soft {
            background: var(--bg-soft);
        }
        .section-dark {
            background: #1E1E1E;
            color: #E0E0E0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-mid);
            text-align: center;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-title-left {
            text-align: left;
            margin-bottom: 0.3rem;
        }
        .section-subtitle-left {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
            max-width: 100%;
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: var(--brand-gradient);
            overflow: hidden;
            padding: 60px 20px;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-category .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(211, 47, 47, 0.75) 0%, rgba(30, 30, 30, 0.9) 100%);
            z-index: 1;
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }
        .hero-category .hero-text {
            flex: 1 1 500px;
        }
        .hero-category .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .hero-category .hero-text h1 span {
            color: var(--brand-gold);
        }
        .hero-category .hero-text .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1.8rem;
            line-height: 1.7;
            max-width: 520px;
        }
        .hero-category .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 1.8rem;
        }
        .hero-category .hero-stat-item {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            border-radius: var(--radius-badge);
            padding: 10px 18px;
            color: var(--white);
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-category .hero-stat-item strong {
            color: var(--brand-gold);
            font-size: 1.2rem;
            margin-right: 2px;
        }
        .hero-category .hero-visual {
            flex: 0 0 380px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #fff;
            padding: 8px;
        }
        .hero-category .hero-visual img {
            border-radius: 12px;
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .hero-category .btn-primary-white {
            background: var(--white);
            color: var(--brand-red);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            font-weight: 700;
        }
        .hero-category .btn-primary-white:hover {
            background: #fff5f0;
            color: var(--brand-red);
            transform: scale(1.04);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        /* ========== CARDS ========== */
        .card-feature {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .card-feature:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-feature .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .card-feature .card-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--brand-gradient);
            color: var(--white);
            border-radius: var(--radius-badge);
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .card-feature h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .card-feature p {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== SCENE BLOCK ========== */
        .scene-block {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .scene-block:last-child {
            margin-bottom: 0;
        }
        .scene-block.reverse {
            flex-direction: row-reverse;
        }
        .scene-block .scene-img {
            flex: 1 1 400px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-width: 280px;
        }
        .scene-block .scene-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform 0.4s ease;
        }
        .scene-block .scene-img:hover img {
            transform: scale(1.03);
        }
        .scene-block .scene-text {
            flex: 1 1 350px;
        }
        .scene-block .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .scene-block .scene-text p {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .scene-block .scene-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .scene-block .scene-text ul li {
            padding: 6px 0;
            font-size: 0.95rem;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .scene-block .scene-text ul li i {
            color: var(--brand-orange);
            font-size: 0.8rem;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            max-width: 900px;
            margin: 0 auto 30px;
            border: 1px solid var(--border-light);
        }
        .deep-content-block h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 16px;
        }
        .deep-content-block p {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.85;
            margin-bottom: 14px;
        }
        .deep-content-block .highlight-stat {
            display: inline-block;
            background: var(--brand-gradient);
            color: var(--white);
            border-radius: var(--radius-badge);
            padding: 6px 16px;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 4px;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            counter-reset: step;
        }
        .process-step {
            flex: 1 1 200px;
            min-width: 180px;
            max-width: 260px;
            text-align: center;
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 30px 20px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.5;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-cards {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .testimonial-card {
            flex: 1 1 280px;
            max-width: 340px;
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            color: var(--brand-orange);
            font-size: 1.8rem;
            margin-bottom: 10px;
            opacity: 0.6;
        }
        .testimonial-card .quote-text {
            font-style: italic;
            font-size: 0.95rem;
            color: var(--text-dark);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .testimonial-card .author-info {
            font-size: 0.85rem;
        }
        .testimonial-card .author-info strong {
            display: block;
            color: var(--text-dark);
        }
        .testimonial-card .author-info span {
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .faq-item:hover {
            border-color: #FFD0B8;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #FAFAFA;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #FFF3ED;
        }
        .faq-question i {
            color: var(--brand-orange);
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
        }
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.35s ease;
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 20px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item.open .faq-question {
            background: #FFF3ED;
        }

        /* ========== CTA STRIP ========== */
        .cta-strip {
            background: var(--brand-gradient);
            padding: 50px 20px;
            text-align: center;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-strip::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }
        .cta-strip::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 150px;
            height: 150px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }
        .cta-strip .cta-content {
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-strip h2 {
            color: var(--white);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-strip p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .cta-strip .btn-primary-white {
            background: var(--white);
            color: var(--brand-red);
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            font-size: 1.05rem;
            padding: 14px 36px;
        }
        .cta-strip .btn-primary-white:hover {
            background: #fff5f0;
            transform: scale(1.04);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 50px 20px 20px;
            font-size: 0.9rem;
        }
        .footer-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid #333;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #aaa;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-orange);
        }
        .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-logo i {
            color: var(--brand-orange);
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #999;
            line-height: 1.6;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 22px;
            border: 1px solid #444;
            background: #222;
            color: #ddd;
            font-size: 0.85rem;
            outline: none;
            font-family: var(--font-stack);
        }
        .footer-subscribe input:focus {
            border-color: var(--brand-orange);
        }
        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 22px;
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-smooth);
        }
        .footer-subscribe button:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            font-size: 0.8rem;
            color: #888;
            text-align: center;
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-bottom a {
            color: #aaa;
        }
        .footer-bottom a:hover {
            color: var(--brand-orange);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .stat-block {
            flex: 1 1 180px;
            min-width: 150px;
            max-width: 240px;
            text-align: center;
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }
        .stat-block:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-block .stat-number {
            font-size: 2.6rem;
            font-weight: 700;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 6px;
        }
        .stat-block .stat-label {
            font-size: 0.9rem;
            color: var(--text-mid);
            font-weight: 500;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-category .hero-visual {
                flex: 0 0 300px;
            }
            .hero-category .hero-text h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: var(--section-pad-mobile) 20px;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .nav-chips {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                z-index: 999;
                border-radius: 0 0 16px 16px;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .hamburger-toggle {
                display: block;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 7px 16px;
            }
            .hero-category {
                min-height: auto;
                padding: 40px 20px;
            }
            .hero-category .hero-content {
                flex-direction: column;
                gap: 30px;
            }
            .hero-category .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .hero-category .hero-text h1 {
                font-size: 1.9rem;
            }
            .hero-category .hero-text .hero-desc {
                font-size: 1rem;
            }
            .scene-block,
            .scene-block.reverse {
                flex-direction: column;
                gap: 24px;
            }
            .scene-block .scene-img {
                flex: 1 1 auto;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .deep-content-block {
                padding: 24px 18px;
            }
            .cta-strip h2 {
                font-size: 1.5rem;
            }
            .process-steps {
                gap: 14px;
            }
            .process-step {
                flex: 1 1 140px;
                min-width: 140px;
                padding: 20px 14px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
                gap: 8px;
            }
            .logo-brand {
                font-size: 1.15rem;
            }
            .logo-brand i {
                font-size: 1.2rem;
            }
            .hero-category .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-category .hero-stats {
                gap: 10px;
            }
            .hero-category .hero-stat-item {
                font-size: 0.8rem;
                padding: 8px 12px;
            }
            .hero-category .hero-stat-item strong {
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                align-items: center;
            }
            .section {
                padding: 36px 14px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .card-feature {
                padding: 20px 16px;
            }
            .testimonial-cards {
                gap: 14px;
            }
            .testimonial-card {
                flex: 1 1 100%;
                max-width: 100%;
            }
            .stat-block {
                flex: 1 1 120px;
                min-width: 120px;
                padding: 20px 12px;
            }
            .stat-block .stat-number {
                font-size: 2rem;
            }
            .btn-primary {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
            .btn-outline {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category5 */
:root {
            --brand-orange: #FF6B35;
            --brand-red: #D32F2F;
            --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #D32F2F 100%);
            --brand-gold: #FFB800;
            --bg-warm: #F9F9F9;
            --bg-light: #FEFEFE;
            --text-dark: #2D2D2D;
            --text-mid: #6B6B6B;
            --text-light: #999;
            --white: #FFFFFF;
            --border-subtle: #E8E8E8;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.06);
            --radius-card: 16px;
            --radius-btn: 30px;
            --radius-chip: 20px;
            --radius-badge: 20px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 50px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            color: var(--text-dark);
            background: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            padding-bottom: 0;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--brand-orange);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-main {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: var(--shadow-nav);
            padding: 0 20px;
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-brand i {
            color: var(--brand-orange);
            font-size: 1.5rem;
        }
        .logo-brand:hover {
            color: var(--brand-orange);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-chip {
            display: inline-block;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: #F0F0F0;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-chip:hover {
            background: #FFE0D3;
            color: var(--brand-red);
            transform: translateY(-1px);
        }
        .nav-chip.active {
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .nav-cta-btn:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }
        .nav-cta-btn:active {
            transform: scale(0.97);
        }
        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
            cursor: pointer;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.88) 0%, rgba(211, 47, 47, 0.82) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }
        .hero-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-text {
            flex: 1;
            min-width: 280px;
        }
        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .hero-text p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 560px;
        }
        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.2);
            color: var(--white);
            padding: 8px 18px;
            border-radius: var(--radius-badge);
            font-weight: 600;
            font-size: 0.9rem;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .hero-badge i {
            color: var(--brand-gold);
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.5);
        }
        .btn-outline-white {
            display: inline-block;
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--white);
            color: var(--white);
            transform: scale(1.03);
        }
        .hero-visual {
            flex: 0 0 380px;
            min-width: 280px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 24px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .hero-visual img {
            border-radius: 12px;
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .hero-visual .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-red);
            color: var(--white);
            padding: 5px 14px;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-top: 12px;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }
        .hero-visual .live-tag i {
            font-size: 0.6rem;
            color: #00FF88;
            animation: pulse-dot 1.5s infinite;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-alt {
            background: var(--bg-warm);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-mid);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto;
        }
        .section-header.left-align {
            text-align: left;
            margin-bottom: 36px;
        }
        .section-header.left-align p {
            margin: 0;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-subtle);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-mid);
            font-weight: 500;
        }
        .stat-card .stat-icon {
            font-size: 1.6rem;
            color: var(--brand-orange);
            margin-bottom: 10px;
        }

        /* ========== FEATURE CARDS ========== */
        .feature-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-subtle);
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }
        .feature-card .fc-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            color: var(--white);
            font-size: 1.5rem;
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.6;
        }

        /* ========== SCENE ALT ========== */
        .scene-alt {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .scene-alt.reverse {
            flex-direction: row-reverse;
        }
        .scene-alt .scene-img {
            flex: 0 0 420px;
            min-width: 280px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .scene-alt .scene-img img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scene-alt .scene-img:hover img {
            transform: scale(1.04);
        }
        .scene-alt .scene-text {
            flex: 1;
            min-width: 280px;
        }
        .scene-alt .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 14px;
        }
        .scene-alt .scene-text p {
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .scene-alt .scene-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .scene-alt .scene-text ul li {
            padding: 6px 0;
            color: var(--text-mid);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .scene-alt .scene-text ul li i {
            color: var(--brand-orange);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== TOPIC LIST ========== */
        .topic-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .topic-item {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-smooth);
        }
        .topic-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .topic-rank {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .topic-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .topic-info span {
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .topic-info .hot-badge {
            display: inline-block;
            background: #FFF3E0;
            color: var(--brand-orange);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 8px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            color: var(--brand-orange);
            font-size: 1.8rem;
            margin-bottom: 12px;
            opacity: 0.6;
        }
        .testimonial-card .t-text {
            font-style: italic;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }
        .testimonial-card .t-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .t-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .testimonial-card .t-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
        }
        .testimonial-card .t-role {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            max-width: 900px;
            margin: 0 auto;
        }
        .deep-content-block h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 20px;
        }
        .deep-content-block p {
            color: var(--text-mid);
            line-height: 1.85;
            font-size: 1.02rem;
            margin-bottom: 16px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 22px 28px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--brand-orange);
            font-size: 0.9rem;
            transition: transform var(--transition-fast);
        }
        .faq-item.open h4 i {
            transform: rotate(90deg);
        }
        .faq-item .faq-answer {
            color: var(--text-mid);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
            padding-top: 8px;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--brand-gradient);
            padding: 60px 0;
            text-align: center;
            color: var(--white);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            background: var(--white);
            color: var(--brand-red);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
            font-size: 1.05rem;
            padding: 14px 36px;
        }
        .cta-section .btn-primary:hover {
            background: #FFF5F0;
            transform: scale(1.05);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A1A;
            color: #CCC;
            padding: 50px 0 0;
        }
        .footer-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 30px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #AAA;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-orange);
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-logo i {
            color: var(--brand-orange);
        }
        .footer-desc {
            font-size: 0.88rem;
            color: #999;
            line-height: 1.6;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 20px;
            border: 1px solid #444;
            background: #2A2A2A;
            color: #CCC;
            font-size: 0.85rem;
            font-family: var(--font-stack);
        }
        .footer-subscribe button {
            padding: 10px 20px;
            border-radius: 20px;
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 30px auto 0;
            padding: 18px 20px;
            border-top: 1px solid #333;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #888;
            justify-content: center;
            text-align: center;
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-bottom a {
            color: #AAA;
        }
        .footer-bottom a:hover {
            color: var(--brand-orange);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .hero-text p {
                max-width: 100%;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-badges {
                justify-content: center;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scene-alt {
                flex-direction: column;
            }
            .scene-alt.reverse {
                flex-direction: column;
            }
            .scene-alt .scene-img {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-text p {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 420px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .feature-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content-block {
                padding: 24px;
            }
            .nav-chips {
                gap: 3px;
            }
            .nav-chip {
                padding: 6px 11px;
                font-size: 0.82rem;
            }
            .hamburger-toggle {
                display: block;
            }
            .nav-chips {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                z-index: 999;
                border-radius: 0 0 16px 16px;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                padding: 7px 16px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-section {
                min-height: 360px;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .btn-primary,
            .btn-outline-white {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
            .hero-visual {
                padding: 16px;
            }
        }

/* roulang page: category6 */
:root {
            --brand-orange: #FF6B35;
            --brand-red: #D32F2F;
            --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #D32F2F 100%);
            --brand-gradient-reverse: linear-gradient(135deg, #D32F2F 0%, #FF6B35 100%);
            --brand-gold: #FFB800;
            --bg-warm: #F9F9F9;
            --bg-light: #FEFEFE;
            --bg-dark: #1a1a2e;
            --text-dark: #2D2D2D;
            --text-mid: #6B6B6B;
            --text-light: #999;
            --white: #FFFFFF;
            --border-subtle: #E8E8E8;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.15);
            --radius-card: 16px;
            --radius-btn: 30px;
            --radius-chip: 20px;
            --radius-badge: 20px;
            --radius-sm: 10px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 50px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            color: var(--text-dark);
            background: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            padding-bottom: 70px;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--brand-orange);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
        }
        p {
            margin: 0;
        }

        .container-main {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: var(--shadow-nav);
            padding: 0 20px;
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-brand i {
            color: var(--brand-orange);
            font-size: 1.5rem;
        }
        .logo-brand:hover {
            color: var(--brand-orange);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-chip {
            display: inline-block;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: #F0F0F0;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-chip:hover {
            background: #FFE0D3;
            color: var(--brand-red);
            transform: translateY(-1px);
        }
        .nav-chip.active {
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .nav-cta-btn:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }
        .nav-cta-btn:active {
            transform: scale(0.97);
        }
        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
            cursor: pointer;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-gradient);
            overflow: hidden;
            padding: 60px 20px;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 184, 0, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(255, 107, 53, 0.3) 0%, transparent 55%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            width: 100%;
            text-align: center;
            color: var(--white);
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-badge);
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.2;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.6;
            opacity: 0.92;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-invite-card {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.28);
            border-radius: var(--radius-card);
            padding: 28px 30px;
            backdrop-filter: blur(10px);
            margin-bottom: 24px;
        }
        .invite-reward-row {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .invite-reward-item {
            background: rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            text-align: center;
            min-width: 90px;
            flex: 1;
            max-width: 130px;
        }
        .invite-reward-item .reward-icon {
            font-size: 1.6rem;
            margin-bottom: 6px;
        }
        .invite-reward-item .reward-label {
            font-size: 0.8rem;
            opacity: 0.85;
        }
        .invite-reward-item .reward-value {
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-gold);
        }
        .progress-wrap {
            margin-bottom: 20px;
        }
        .progress-info {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            margin-bottom: 8px;
            opacity: 0.9;
        }
        .progress-bar-outer {
            background: rgba(255, 255, 255, 0.25);
            border-radius: 20px;
            height: 10px;
            overflow: hidden;
        }
        .progress-bar-inner {
            height: 100%;
            background: var(--brand-gold);
            border-radius: 20px;
            width: 40%;
            transition: width 0.6s ease;
            position: relative;
        }
        .progress-bar-inner::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            background: var(--brand-gold);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255, 184, 0, 0.7);
            border: 2px solid var(--white);
        }
        .hero-btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary-lg {
            display: inline-block;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 22px rgba(211, 47, 47, 0.4);
            border: none;
            cursor: pointer;
        }
        .btn-primary-lg:hover {
            transform: scale(1.04);
            box-shadow: 0 10px 30px rgba(211, 47, 47, 0.55);
            color: var(--white);
        }
        .btn-outline-lg {
            display: inline-block;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--white);
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .btn-outline-lg:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--white);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* ========== SECTION COMMONS ========== */
        .section-pad {
            padding: var(--section-pad) 20px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-mid);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }
        .bg-warm {
            background: var(--bg-warm);
        }
        .bg-dark-sec {
            background: var(--bg-dark);
            color: var(--white);
        }
        .bg-dark-sec .section-title {
            color: var(--white);
        }
        .bg-dark-sec .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .stat-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-subtle);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--brand-orange);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--brand-orange);
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-mid);
        }

        /* ========== TOURNAMENT CARDS ========== */
        .tournament-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .tournament-card {
            background: var(--white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-subtle);
        }
        .tournament-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
        }
        .tournament-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .tournament-card-body {
            padding: 20px;
        }
        .tournament-card-tag {
            display: inline-block;
            background: var(--brand-gradient);
            color: var(--white);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .tournament-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .tournament-card p {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .tournament-card .card-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .tournament-card .card-meta i {
            color: var(--brand-orange);
        }

        /* ========== SCENE DEMO ========== */
        .scene-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto 50px;
        }
        .scene-block.reverse {
            direction: rtl;
        }
        .scene-block.reverse .scene-text {
            direction: ltr;
        }
        .scene-block .scene-img-wrap {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .scene-block .scene-img-wrap img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .scene-text p {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .scene-text ul {
            list-style: none;
            padding: 0;
        }
        .scene-text ul li {
            padding: 6px 0;
            font-size: 0.95rem;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .scene-text ul li i {
            color: var(--brand-orange);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .deep-article-card {
            background: var(--white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .deep-article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .deep-article-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .deep-article-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .deep-article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        .deep-article-body p {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .deep-article-body .read-more-link {
            font-weight: 600;
            color: var(--brand-orange);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }
        .deep-article-body .read-more-link:hover {
            gap: 10px;
            color: var(--brand-red);
        }

        /* ========== TEAM RANKING ========== */
        .ranking-table-wrap {
            max-width: 900px;
            margin: 0 auto;
            background: var(--white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .ranking-row {
            display: flex;
            align-items: center;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-fast);
            gap: 16px;
        }
        .ranking-row:hover {
            background: #FFF5F0;
        }
        .ranking-row:last-child {
            border-bottom: none;
        }
        .rank-num {
            font-weight: 700;
            font-size: 1.2rem;
            width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-num.top3 {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 1.4rem;
        }
        .rank-team-logo {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
            color: var(--text-mid);
        }
        .rank-team-info {
            flex: 1;
        }
        .rank-team-name {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
        }
        .rank-team-region {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .rank-stat {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--brand-orange);
            flex-shrink: 0;
            text-align: right;
            min-width: 60px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--brand-orange);
            opacity: 0.5;
            margin-bottom: 10px;
        }
        .testimonial-card .testimonial-text {
            font-style: italic;
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
            font-size: 0.85rem;
        }
        .testimonial-author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
        }
        .testimonial-author-role {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-dark);
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--brand-orange);
        }
        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--brand-orange);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--brand-gradient);
            padding: 60px 20px;
            text-align: center;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary-lg {
            font-size: 1.1rem;
            padding: 16px 38px;
        }

        /* ========== BOTTOM STICKY BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--brand-gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 12px 20px;
            height: 62px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
            flex-wrap: wrap;
        }
        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            font-size: 1rem;
            white-space: nowrap;
        }
        .sticky-bottom-bar .btn-sticky {
            display: inline-block;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--white);
            color: var(--brand-red);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 2px solid var(--white);
        }
        .sticky-bottom-bar .btn-sticky:hover {
            background: transparent;
            color: var(--white);
            transform: scale(1.03);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 50px 20px 30px;
            margin-bottom: 62px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 30px;
            max-width: var(--max-width);
            margin: 0 auto 30px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-orange);
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-logo i {
            color: var(--brand-orange);
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #999;
            line-height: 1.6;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 20px;
            border: 1px solid #444;
            background: #2a2a2a;
            color: #ccc;
            font-size: 0.85rem;
            outline: none;
            font-family: var(--font-stack);
        }
        .footer-subscribe input:focus {
            border-color: var(--brand-orange);
        }
        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 20px;
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            transform: scale(1.03);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid #333;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #888;
            justify-content: space-between;
            align-items: center;
        }
        .footer-bottom a {
            color: #aaa;
        }
        .footer-bottom a:hover {
            color: var(--brand-orange);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .tournament-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .scene-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scene-block.reverse {
                direction: ltr;
            }
            .scene-block .scene-img-wrap img {
                height: 240px;
            }
        }

        @media (max-width: 768px) {
            .nav-chips {
                gap: 3px;
            }
            .nav-chip {
                padding: 6px 11px;
                font-size: 0.82rem;
            }
            .hamburger-toggle {
                display: block;
            }
            .nav-chips {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                z-index: 999;
                border-radius: 0 0 16px 16px;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .tournament-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-pad {
                padding: var(--section-pad-mobile) 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sticky-bottom-bar {
                height: 52px;
                padding: 8px 14px;
                gap: 10px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.85rem;
            }
            .sticky-bottom-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .invite-reward-row {
                gap: 8px;
            }
            .invite-reward-item {
                min-width: 70px;
                padding: 10px 12px;
            }
            .ranking-row {
                padding: 12px 14px;
                gap: 10px;
            }
            .rank-num {
                font-size: 1rem;
                width: 28px;
            }
            .rank-team-name {
                font-size: 0.9rem;
            }
            body {
                padding-bottom: 60px;
            }
            .site-footer {
                margin-bottom: 52px;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-invite-card {
                padding: 20px 16px;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .hero-btn-group {
                flex-direction: column;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                height: auto;
                padding: 10px;
                gap: 6px;
                text-align: center;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.8rem;
            }
            .site-footer {
                margin-bottom: 80px;
            }
            body {
                padding-bottom: 80px;
            }
        }

/* roulang page: category4 */
:root {
            --brand-orange: #FF6B35;
            --brand-red: #D32F2F;
            --brand-gradient: linear-gradient(135deg, #FF6B35 0%, #D32F2F 100%);
            --brand-gradient-subtle: linear-gradient(135deg, rgba(255, 107, 53, 0.12) 0%, rgba(211, 47, 47, 0.08) 100%);
            --brand-gold: #FFB800;
            --bg-warm: #F9F9F9;
            --bg-light: #FEFEFE;
            --bg-deep: #1A1A2E;
            --text-dark: #2D2D2D;
            --text-mid: #6B6B6B;
            --text-light: #999;
            --white: #FFFFFF;
            --border-subtle: #E8E8E8;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-deep: 0 12px 40px rgba(0, 0, 0, 0.15);
            --radius-card: 16px;
            --radius-btn: 30px;
            --radius-chip: 20px;
            --radius-badge: 20px;
            --radius-sm: 10px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 50px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            color: var(--text-dark);
            background: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--brand-orange);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-main {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: var(--shadow-nav);
            padding: 0 20px;
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-brand i {
            color: var(--brand-orange);
            font-size: 1.5rem;
        }

        .logo-brand:hover {
            color: var(--brand-orange);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-chip {
            display: inline-block;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: #F0F0F0;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-chip:hover {
            background: #FFE0D3;
            color: var(--brand-red);
            transform: translateY(-1px);
        }

        .nav-chip.active {
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .nav-cta-btn:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.45);
        }

        .nav-cta-btn:active {
            transform: scale(0.97);
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
            cursor: pointer;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-dark {
            background: var(--bg-deep);
            color: var(--white);
            padding: var(--section-pad) 0;
        }

        .section-warm {
            background: var(--bg-warm);
            padding: var(--section-pad) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--brand-orange);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-dark .section-title {
            color: var(--white);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-mid);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 700px;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== HERO DEEP ========== */
        .hero-deep {
            position: relative;
            background: var(--bg-deep);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-deep-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.35;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.15) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.15) 100%);
        }

        .hero-deep-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 26, 46, 0.95) 40%, rgba(211, 47, 47, 0.25) 100%);
            z-index: 1;
        }

        .hero-deep-inner {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-deep-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-deep-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-gradient);
            color: var(--white);
            padding: 8px 18px;
            border-radius: var(--radius-badge);
            font-size: 0.85rem;
            font-weight: 600;
            width: fit-content;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
        }

        .hero-deep-badge i {
            font-size: 0.9rem;
        }

        .hero-deep-left h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.2;
            margin: 0;
        }

        .hero-deep-left h1 span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-deep-left .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 480px;
        }

        .hero-deep-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            background: var(--brand-gradient);
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: scale(1.04);
            color: var(--white);
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.5);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            transform: translateY(-2px);
        }

        .hero-deep-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(4px);
        }

        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateX(4px);
        }

        .hero-stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--white);
            flex-shrink: 0;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }

        /* ========== VALUE CARDS ========== */
        .value-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .value-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .value-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--brand-gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }

        .value-card:hover::before {
            transform: scaleX(1);
        }

        .value-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--brand-gradient-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--brand-orange);
            margin-bottom: 16px;
        }

        .value-card-badge {
            display: inline-block;
            background: var(--brand-gradient);
            color: var(--white);
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .value-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .value-card p {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FEATURED ARTICLE ========== */
        .featured-article-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-subtle);
        }

        .featured-article-card:hover {
            box-shadow: var(--shadow-deep);
            transform: translateY(-3px);
        }

        .featured-article-img {
            position: relative;
            min-height: 380px;
            overflow: hidden;
        }

        .featured-article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .featured-article-card:hover .featured-article-img img {
            transform: scale(1.04);
        }

        .featured-article-img .img-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--brand-gradient);
            color: var(--white);
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            font-size: 0.8rem;
            font-weight: 700;
            z-index: 2;
        }

        .featured-article-body {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }

        .featured-article-body .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .featured-article-body .article-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .featured-article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin: 0;
        }

        .featured-article-body h2 a:hover {
            color: var(--brand-red);
        }

        .featured-article-body .article-excerpt {
            font-size: 1rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin: 0;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--brand-orange);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
        }

        .btn-text:hover {
            color: var(--brand-red);
            gap: 10px;
        }

        .btn-text i {
            transition: transform var(--transition-fast);
        }

        .btn-text:hover i {
            transform: translateX(3px);
        }

        /* ========== ARTICLE LIST CARDS ========== */
        .article-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .article-horizontal-card {
            display: flex;
            gap: 20px;
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-subtle);
            align-items: flex-start;
        }

        .article-horizontal-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .article-horizontal-card .article-thumb {
            width: 160px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .article-horizontal-card .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .article-horizontal-card:hover .article-thumb img {
            transform: scale(1.06);
        }

        .article-horizontal-card .article-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }

        .article-horizontal-card .article-date {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .article-horizontal-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin: 0;
        }

        .article-horizontal-card h3 a:hover {
            color: var(--brand-red);
        }

        .article-horizontal-card .article-summary {
            font-size: 0.9rem;
            color: var(--text-mid);
            line-height: 1.5;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-horizontal-card .read-more-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-orange);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .article-horizontal-card .read-more-link:hover {
            color: var(--brand-red);
            gap: 7px;
        }

        /* ========== EXPERT CARDS ========== */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .expert-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-subtle);
        }

        .expert-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .expert-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 16px;
            background: var(--brand-gradient-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--brand-orange);
            font-weight: 700;
            border: 3px solid var(--border-subtle);
        }

        .expert-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 4px;
        }

        .expert-card .expert-role {
            font-size: 0.85rem;
            color: var(--brand-orange);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .expert-card .expert-bio {
            font-size: 0.88rem;
            color: var(--text-mid);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== DATA PANEL ========== */
        .data-panel {
            background: var(--bg-deep);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            color: var(--white);
        }

        .data-panel-item .data-num {
            font-size: 2.6rem;
            font-weight: 700;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .data-panel-item .data-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--brand-gradient);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            margin: 0 0 24px;
            opacity: 0.9;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-red);
            background: var(--white);
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            position: relative;
            z-index: 1;
            cursor: pointer;
            border: none;
        }

        .cta-section .btn-white:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            color: var(--brand-red);
        }

        .cta-section .btn-white:active {
            transform: scale(0.96);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }

        .faq-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h3 i {
            color: var(--brand-orange);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.6;
            margin: 0;
            padding-left: 22px;
        }

        /* ========== TOPIC TAGS ========== */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .topic-tag {
            display: inline-block;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: var(--white);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .topic-tag:hover {
            background: var(--brand-gradient);
            color: var(--white);
            border-color: transparent;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
        }

        .topic-tag.hot {
            background: var(--brand-gradient);
            color: var(--white);
            border-color: transparent;
            font-weight: 600;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A1A;
            color: #CCC;
            padding: 50px 20px 24px;
            margin-top: 0;
        }

        .footer-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo i {
            color: var(--brand-orange);
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #999;
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #999;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--brand-orange);
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: var(--white);
            font-size: 0.85rem;
            font-family: var(--font-stack);
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .footer-subscribe input:focus {
            border-color: var(--brand-orange);
        }

        .footer-subscribe input::placeholder {
            color: #777;
        }

        .footer-subscribe button {
            padding: 10px 18px;
            border-radius: 20px;
            background: var(--brand-gradient);
            color: var(--white);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: none;
        }

        .footer-subscribe button:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #888;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom a {
            color: #999;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--brand-orange);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-deep-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-deep-bg {
                width: 100%;
                opacity: 0.2;
            }
            .hero-deep-left h1 {
                font-size: 2.2rem;
            }
            .hero-deep-right {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .hero-stat-card {
                padding: 16px;
            }
            .hero-stat-num {
                font-size: 1.6rem;
            }
            .value-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-article-card {
                grid-template-columns: 1fr;
            }
            .featured-article-img {
                min-height: 240px;
            }
            .article-list-grid {
                grid-template-columns: 1fr;
            }
            .expert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
                padding: 36px 24px;
            }
            .data-panel-item .data-num {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-dark {
                padding: var(--section-pad-mobile) 0;
            }
            .section-warm {
                padding: var(--section-pad-mobile) 0;
            }
        }

        @media (max-width: 768px) {
            .nav-chips {
                gap: 3px;
            }
            .nav-chip {
                padding: 6px 11px;
                font-size: 0.82rem;
            }
            .hamburger-toggle {
                display: block;
            }
            .nav-chips {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                z-index: 999;
                border-radius: 0 0 16px 16px;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                padding: 7px 16px;
                font-size: 0.82rem;
            }
            .hero-deep {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-deep-left h1 {
                font-size: 1.8rem;
            }
            .hero-deep-right {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-stat-card {
                flex-direction: row;
                padding: 14px 16px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .value-cards-grid {
                grid-template-columns: 1fr;
            }
            .article-horizontal-card {
                flex-direction: column;
            }
            .article-horizontal-card .article-thumb {
                width: 100%;
                height: 180px;
            }
            .expert-grid {
                grid-template-columns: 1fr;
            }
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
                padding: 28px 16px;
            }
            .data-panel-item .data-num {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .featured-article-body {
                padding: 24px 20px;
            }
            .featured-article-body h2 {
                font-size: 1.3rem;
            }
            .topic-tag {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .hero-deep-left h1 {
                font-size: 1.5rem;
            }
            .hero-deep-left .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-deep-cta {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .data-panel {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 20px 12px;
            }
            .data-panel-item .data-num {
                font-size: 1.5rem;
            }
            .data-panel-item .data-desc {
                font-size: 0.78rem;
            }
            .hero-deep-bg {
                opacity: 0.08;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 20px 0;
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            background: var(--white);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination-btn:hover {
            background: var(--brand-gradient-subtle);
            border-color: var(--brand-orange);
            color: var(--brand-orange);
        }

        .pagination-btn.active {
            background: var(--brand-gradient);
            color: var(--white);
            border-color: transparent;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }

        .pagination-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        .pagination-btn i {
            font-size: 0.85rem;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .breadcrumb a {
            color: var(--text-mid);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--brand-orange);
        }

        .breadcrumb span {
            color: var(--text-dark);
            font-weight: 500;
        }

        .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-light);
        }