/* roulang page: index */
:root {
            --color-primary: #c9a050;
            --color-primary-dark: #a07d35;
            --color-primary-light: #e0c878;
            --color-secondary: #1b2635;
            --color-secondary-light: #243447;
            --color-bg: #fafaf7;
            --color-bg-alt: #f2efe8;
            --color-bg-dark: #0f1923;
            --color-text: #1e1e1e;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-white: #ffffff;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece4;
            --color-success: #2d8a4e;
            --color-accent: #c0392b;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-width: 320px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 3px;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            margin-top: 0;
            color: var(--color-secondary);
        }

        /* Container */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* Top Bar */
        .top-info-bar {
            background: var(--color-secondary);
            color: #c5c9ce;
            font-size: 13px;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            z-index: 1001;
            position: relative;
        }
        .top-info-bar .top-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .top-info-bar .top-left span {
            margin-right: 18px;
            color: #b0b5bb;
        }
        .top-info-bar .top-left i {
            color: var(--color-primary-light);
            margin-right: 5px;
            font-size: 12px;
        }
        .top-info-bar .top-right a {
            color: #c5c9ce;
            margin-left: 16px;
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .top-info-bar .top-right a:hover {
            color: var(--color-primary-light);
        }
        @media (max-width: 640px) {
            .top-info-bar {
                display: none;
            }
        }

        /* Header / Nav */
        .site-header {
            background: var(--color-white);
            height: var(--header-height);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 24px;
            color: var(--color-secondary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-brand .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }
        .logo-brand:hover {
            color: var(--color-primary-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-block;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 15px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-primary-dark);
            background: #fdf8ef;
        }
        .nav-links a.active {
            color: var(--color-primary-dark);
            font-weight: 600;
            background: #fdf8ef;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 18px;
            right: 18px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 3px;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 10px 24px;
            background: var(--color-primary);
            color: #fff !important;
            border-radius: 25px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-fast);
            margin-left: 8px;
            white-space: nowrap;
            border: none;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* Mobile Nav Toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--color-secondary);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: #f5f5f5;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 10px 12px;
                font-size: 14px;
            }
            .nav-cta-btn {
                padding: 9px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 820px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 24px;
                gap: 0;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 14px 16px;
                width: 100%;
                border-radius: 0;
                border-bottom: 1px solid var(--color-border-light);
                font-size: 15px;
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 10px;
                text-align: center;
                border-radius: 25px;
                width: 100%;
            }
        }

        /* Hero */
        .hero-section {
            background: url('assets/images/backpic/back-1.webp') center center / cover no-repeat;
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 25, 35, 0.75) 0%, rgba(15, 25, 35, 0.88) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            padding: 60px 24px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(201, 160, 80, 0.25);
            border: 1px solid rgba(201, 160, 80, 0.5);
            color: var(--color-primary-light);
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero-section h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .hero-section h1 span {
            color: var(--color-primary-light);
        }
        .hero-desc {
            font-size: 18px;
            color: #d5d9de;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-hero-primary {
            display: inline-block;
            padding: 14px 36px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 700;
            font-size: 16px;
            transition: all var(--transition-base);
            border: none;
            letter-spacing: 0.5px;
        }
        .btn-hero-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 160, 80, 0.4);
        }
        .btn-hero-outline {
            display: inline-block;
            padding: 14px 36px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 30px;
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 480px;
            }
            .hero-section h1 {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: 420px;
            }
            .hero-section h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 14px;
                line-height: 1.6;
            }
            .hero-content {
                padding: 40px 16px;
            }
            .hero-btns {
                flex-direction: column;
                gap: 12px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                text-align: center;
                padding: 13px 20px;
            }
        }

        /* Section Common */
        .section-padding {
            padding: 72px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-padding-lg {
            padding: 90px 0;
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 12px;
            text-align: center;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-muted);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--color-primary);
            border-radius: 2px;
            margin: 0 auto 36px;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-lg {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 28px;
            }
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-primary);
            border-radius: 0 0 3px 3px;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            font-family: var(--font-heading);
            line-height: 1;
        }
        .stat-label {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-top: 8px;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 26px;
            }
            .stat-label {
                font-size: 13px;
            }
        }

        /* Brand Intro */
        .brand-intro-block {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            max-width: var(--max-width);
            margin: 0 auto;
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .brand-intro-block .intro-quote {
            font-size: 20px;
            font-style: italic;
            color: var(--color-primary-dark);
            text-align: center;
            margin-bottom: 20px;
            font-weight: 500;
            line-height: 1.6;
        }
        .brand-intro-block .intro-text {
            font-size: 16px;
            color: var(--color-text-light);
            line-height: 2;
            text-align: justify;
            max-width: 900px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .brand-intro-block .intro-quote {
                font-size: 17px;
            }
            .brand-intro-block .intro-text {
                font-size: 14px;
                line-height: 1.8;
            }
        }

        /* Advantage Cards */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .advantage-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 36px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-primary-light);
        }
        .advantage-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, #fdf8ef, #f7eed8);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 28px;
            color: var(--color-primary-dark);
            transition: all var(--transition-base);
        }
        .advantage-card:hover .advantage-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.05);
        }
        .advantage-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-secondary);
        }
        .advantage-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .advantage-card {
                padding: 24px 18px;
            }
        }

        /* Brand Story */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .story-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .story-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform var(--transition-slow);
        }
        .story-image-wrap:hover img {
            transform: scale(1.04);
        }
        .story-text h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-secondary);
        }
        .story-text p {
            font-size: 16px;
            color: var(--color-text-light);
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .story-badge {
            display: inline-block;
            background: #fdf8ef;
            color: var(--color-primary-dark);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .story-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .story-text h2 {
                font-size: 24px;
            }
            .story-image-wrap {
                border-radius: var(--radius-lg);
                max-height: 300px;
                overflow: hidden;
            }
            .story-image-wrap img {
                object-fit: cover;
                height: 300px;
            }
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .category-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--color-primary-light);
        }
        .category-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.08);
        }
        .category-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-secondary);
        }
        .category-card-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }
        .category-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--color-primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }
        .category-link:hover {
            color: var(--color-primary-dark);
            gap: 10px;
        }
        .category-link i {
            font-size: 12px;
        }
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-card-img {
                height: 160px;
            }
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 60px;
            color: var(--color-primary-light);
            position: absolute;
            top: 10px;
            left: 20px;
            font-family: serif;
            line-height: 1;
            opacity: 0.5;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-text {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
            padding-top: 10px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary-dark);
            font-size: 16px;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 600;
            font-size: 14px;
            color: var(--color-secondary);
        }
        .testimonial-role {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 32px 40px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .partner-item {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 1px;
            padding: 16px 24px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
            min-width: 120px;
        }
        .partner-item:hover {
            color: var(--color-primary-dark);
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        @media (max-width: 520px) {
            .partners-row {
                gap: 16px 20px;
            }
            .partner-item {
                font-size: 15px;
                padding: 12px 16px;
                min-width: 90px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-primary-light);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-secondary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: color var(--transition-fast);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--color-primary-dark);
        }
        .faq-icon {
            font-size: 18px;
            transition: transform var(--transition-fast);
            color: var(--color-primary);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-base);
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            padding: 0 24px 20px;
            max-height: 600px;
        }
        @media (max-width: 520px) {
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .news-card-img {
            height: 180px;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.06);
        }
        .news-card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }
        .news-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-secondary);
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-read-more {
            font-weight: 600;
            font-size: 13px;
            color: var(--color-primary-dark);
            transition: color var(--transition-fast);
            align-self: flex-start;
        }
        .news-read-more:hover {
            color: var(--color-primary);
        }
        .news-read-more i {
            font-size: 11px;
            margin-left: 4px;
        }
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card-img {
                height: 160px;
            }
        }

        /* CTA */
        .cta-section {
            background: var(--color-bg-dark);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: #c5c9ce;
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .btn-cta {
            display: inline-block;
            padding: 15px 40px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            border: none;
        }
        .btn-cta:hover {
            background: var(--color-primary-light);
            color: #1a1a1a;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(201, 160, 80, 0.45);
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section p {
                font-size: 14px;
            }
            .btn-cta {
                padding: 13px 30px;
                font-size: 15px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-secondary);
            color: #b0b5bb;
            padding: 48px 0 28px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .logo-brand {
            color: #fff;
            font-size: 22px;
            margin-bottom: 10px;
        }
        .footer-brand .logo-brand:hover {
            color: var(--color-primary-light);
        }
        .footer-brand p {
            color: #8a8f95;
            font-size: 13px;
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #8a8f95;
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary-light);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 20px 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #6a6f75;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Scroll To Top */
        .scroll-top-btn {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            border: none;
            font-size: 18px;
            cursor: pointer;
            z-index: 900;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            opacity: 0;
            pointer-events: none;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .scroll-top-btn.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        @media (max-width: 520px) {
            .scroll-top-btn {
                bottom: 20px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --secondary: #e94560;
            --secondary-hover: #d63852;
            --accent: #f5c518;
            --accent-light: #ffe57f;
            --bg-white: #ffffff;
            --bg-light: #f8f9fa;
            --bg-gray: #f0f2f5;
            --bg-dark: #0f0f1a;
            --text-primary: #1a1a2e;
            --text-body: #2d3436;
            --text-secondary: #5a6275;
            --text-muted: #8a8f95;
            --text-light: #b0b5bd;
            --text-white: #ffffff;
            --border-color: #e2e5ea;
            --border-light: #eef0f4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 30px rgba(233, 69, 96, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
            --max-width: 1280px;
            --header-height: 72px;
            --topbar-height: 38px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-white);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

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

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        .top-bar-strip {
            background: var(--primary);
            color: var(--text-light);
            font-size: 13px;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            z-index: 1001;
            position: relative;
        }
        .top-bar-strip .top-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: var(--topbar-height);
        }
        .top-bar-strip .top-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar-strip .top-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .top-bar-strip .top-right a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .top-bar-strip .top-right a:hover {
            color: var(--accent);
        }
        .top-bar-strip .hot-badge {
            background: var(--secondary);
            color: #fff;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
            margin-left: 6px;
            letter-spacing: 0.5px;
        }

        .site-header {
            background: #fff;
            height: var(--header-height);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .logo-brand:hover {
            opacity: 0.85;
            color: var(--primary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--secondary) 0%, #c0392b 100%);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            border-radius: var(--radius-sm);
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--secondary);
            background: rgba(233, 69, 96, 0.04);
        }
        .nav-links a.active {
            color: var(--secondary);
            font-weight: 600;
            background: rgba(233, 69, 96, 0.06);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: var(--secondary);
            border-radius: 3px 3px 0 0;
        }
        .nav-cta-btn {
            background: var(--secondary) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 10px 20px !important;
            border-radius: 50px !important;
            transition: all var(--transition-smooth) !important;
            box-shadow: 0 2px 8px rgba(233, 69, 96, 0.3);
            margin-left: 6px;
        }
        .nav-cta-btn:hover {
            background: var(--secondary-hover) !important;
            box-shadow: var(--shadow-glow) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }
        .nav-cta-btn.active {
            background: var(--secondary-hover) !important;
            color: #fff !important;
        }
        .nav-cta-btn.active::after {
            display: none;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            cursor: pointer;
            color: var(--primary);
            padding: 4px;
            line-height: 1;
        }

        @media (max-width: 1024px) {
            .nav-links a {
                padding: 6px 10px;
                font-size: 14px;
            }
            .nav-cta-btn {
                padding: 8px 14px !important;
                font-size: 13px !important;
            }
            .logo-brand {
                font-size: 19px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
        }
        @media (max-width: 768px) {
            .top-bar-strip .top-right,
            .top-bar-strip .top-left span:not(.hot-badge) {
                font-size: 11px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                z-index: 999;
                border: 1px solid var(--border-light);
                border-top: none;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px;
                font-size: 15px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                border-radius: var(--radius-sm);
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
            }
            .mobile-toggle {
                display: block;
            }
            .logo-brand {
                font-size: 17px;
                gap: 8px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .top-bar-strip {
                font-size: 10px;
                height: 30px;
                line-height: 30px;
            }
            .top-bar-strip .hot-badge {
                font-size: 9px;
                padding: 1px 6px;
            }
            .site-header {
                height: 56px;
            }
            .header-inner {
                height: 56px;
            }
            .logo-brand {
                font-size: 15px;
                gap: 6px;
            }
            .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 11px;
            }
            .nav-links {
                top: 56px;
            }
        }

        .page-banner {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-light) 40%, #1a1a3e 100%);
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 1;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: 50px;
            letter-spacing: 2px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 48px;
            font-weight: 700;
            margin: 0 0 18px;
            letter-spacing: 1px;
            color: #fff;
        }
        .page-banner .banner-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .page-banner .banner-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .page-banner .stat-item {
            text-align: center;
        }
        .page-banner .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-heading);
        }
        .page-banner .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 50px 0;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .page-banner .banner-desc {
                font-size: 15px;
            }
            .page-banner .stat-num {
                font-size: 28px;
            }
            .page-banner .banner-stats {
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                padding: 36px 0;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner .banner-desc {
                font-size: 14px;
            }
            .page-banner .stat-num {
                font-size: 22px;
            }
            .page-banner .banner-stats {
                gap: 14px;
            }
        }

        .section-padding {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding: 32px 0;
            }
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title .tag-line {
            display: inline-block;
            background: rgba(233, 69, 96, 0.08);
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 50px;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }
        .section-title h2 {
            font-family: var(--font-heading);
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
        }
        .section-title .subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-title h2 {
                font-size: 26px;
            }
            .section-title {
                margin-bottom: 32px;
            }
        }

        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .events-grid {
                grid-template-columns: 1fr;
            }
        }

        .event-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-color);
        }
        .event-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-gray);
        }
        .event-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .event-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .event-card .card-img-wrap .event-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .event-card .card-img-wrap .event-badge.upcoming {
            background: var(--accent);
            color: var(--primary);
        }
        .event-card .card-img-wrap .event-badge.ongoing {
            background: #27ae60;
            color: #fff;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.75;
            }
        }
        .event-card .card-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .event-card .card-body .event-meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .event-card .card-body .event-meta i {
            margin-right: 4px;
            color: var(--secondary);
        }
        .event-card .card-body .event-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .event-card .card-body .event-prize {
            display: inline-block;
            margin-top: 12px;
            font-weight: 700;
            color: var(--accent);
            font-size: 20px;
            font-family: var(--font-heading);
        }
        .event-card .card-body .event-prize span {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-muted);
        }

        .schedule-section {
            background: var(--bg-light);
        }
        .timeline-list {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            padding-left: 40px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--secondary) 0%, var(--accent) 60%, var(--border-color) 100%);
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 22px 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-fast);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-md);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 26px;
            width: 14px;
            height: 14px;
            background: #fff;
            border-radius: 50%;
            border: 3px solid var(--secondary);
            z-index: 1;
        }
        .timeline-item .tl-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .timeline-item h4 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 600px) {
            .timeline-list {
                padding-left: 30px;
            }
            .timeline-list::before {
                left: 10px;
            }
            .timeline-item::before {
                left: -26px;
                width: 11px;
                height: 11px;
            }
            .timeline-item {
                padding: 16px;
            }
        }

        .highlights-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .highlights-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .highlights-row {
                grid-template-columns: 1fr;
            }
        }
        .highlight-card-mini {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }
        .highlight-card-mini:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .highlight-card-mini .hl-icon {
            font-size: 36px;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .highlight-card-mini .hl-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            font-family: var(--font-heading);
        }
        .highlight-card-mini .hl-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .gallery-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
        }
        .gallery-item {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            cursor: pointer;
            position: relative;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-smooth);
        }
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .gallery-item:hover img {
            transform: scale(1.08);
        }
        .gallery-item:hover {
            box-shadow: var(--shadow-lg);
        }
        .gallery-item .gallery-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: flex-end;
            padding: 12px;
            opacity: 0;
            transition: opacity var(--transition-fast);
            border-radius: var(--radius-md);
        }
        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }
        .gallery-item .gallery-overlay span {
            color: #fff;
            font-size: 13px;
            font-weight: 500;
        }

        .faq-section {
            background: var(--bg-white);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-item .faq-q {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background var(--transition-fast);
            font-size: 15px;
            user-select: none;
        }
        .faq-item .faq-q:hover {
            background: var(--bg-gray);
        }
        .faq-item .faq-q i {
            transition: transform var(--transition-fast);
            color: var(--secondary);
            font-size: 13px;
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            background: var(--bg-light);
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 16px 22px;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }

        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 70px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(245, 197, 24, 0.35);
            border: none;
            cursor: pointer;
        }
        .btn-cta:hover {
            background: #ffd54f;
            box-shadow: 0 8px 30px rgba(245, 197, 24, 0.5);
            transform: translateY(-2px);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section {
                padding: 44px 0;
            }
        }

        .site-footer {
            background: var(--bg-dark);
            color: #c4c8d0;
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #9a9ea5;
            margin-top: 10px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: #9a9ea5;
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: #6a6e75;
            flex-wrap: wrap;
            gap: 8px;
        }

        .btn-outline {
            display: inline-block;
            border: 2px solid var(--secondary);
            color: var(--secondary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 14px;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
        }
        .text-center {
            text-align: center;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-36 {
            margin-top: 36px;
        }

/* roulang page: category1 */
:root {
            --primary: #1a5fdc;
            --primary-dark: #1249b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --bg-dark-secondary: #1e293b;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-light: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.09), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.11), 0 6px 18px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.14), 0 8px 24px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1240px;
            --header-height: 68px;
            --topbar-height: 36px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Top Bar ===== */
        .top-bar-strip {
            background: #0f172a;
            color: #94a3b8;
            font-size: 13px;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            position: relative;
            z-index: 1001;
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .top-bar-left span {
            margin-right: 18px;
            color: #cbd5e1;
        }
        .top-bar-left i {
            margin-right: 5px;
            color: var(--accent);
            font-size: 11px;
        }
        .top-bar-right a {
            color: #cbd5e1;
            margin-left: 16px;
            font-size: 12px;
            transition: color var(--transition-fast);
        }
        .top-bar-right a:hover {
            color: #fff;
        }
        @media (max-width: 640px) {
            .top-bar-strip {
                display: none;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.28rem;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .logo-brand:hover {
            opacity: 0.82;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), #3b82f6);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-links a.nav-cta-btn {
            background: var(--primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: 22px;
            font-weight: 600;
            margin-left: 8px;
            transition: all var(--transition);
        }
        .nav-links a.nav-cta-btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: var(--border-light);
        }
        @media (max-width: 920px) {
            .hamburger-btn {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 16px 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
                z-index: 999;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                padding: 13px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-links a.nav-cta-btn {
                margin-left: 0;
                margin-top: 4px;
                text-align: center;
                justify-content: center;
                border-radius: var(--radius);
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: var(--bg-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: 80px 0 70px;
            color: #fff;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.55) 50%, rgba(15, 23, 42, 0.7) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 500;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
            color: #fff;
        }
        .page-banner .banner-desc {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 56px 0 48px;
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.85rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 40px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-subtitle {
                margin-bottom: 28px;
            }
        }

        /* ===== Category Cards Grid ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border);
        }
        .category-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8ecf1;
        }
        .category-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .category-card .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .category-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .category-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            flex: 1;
        }
        .category-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }
        .category-card .card-body .card-link:hover {
            gap: 10px;
        }

        /* ===== Hot Games Grid ===== */
        .hot-games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .hot-games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .hot-games-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }
        .game-showcase-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .game-showcase-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .game-showcase-card .gs-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8ecf1;
        }
        .game-showcase-card .gs-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .game-showcase-card:hover .gs-img img {
            transform: scale(1.05);
        }
        .game-showcase-card .gs-body {
            padding: 16px 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-showcase-card .gs-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .game-showcase-card .gs-body .gs-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
        }
        .game-showcase-card .gs-body .gs-tags span {
            font-size: 0.75rem;
            background: var(--primary-light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 500;
        }
        .game-showcase-card .gs-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
            flex: 1;
        }
        .game-showcase-card .gs-body .gs-meta {
            display: flex;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }
        .game-showcase-card .gs-body .gs-meta i {
            margin-right: 4px;
            color: var(--accent);
        }

        /* ===== Features ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .feature-card .feat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 14px;
        }
        .feature-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .feature-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            background: var(--bg-dark);
            padding: 44px 0;
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 420px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent);
            line-height: 1.1;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: #94a3b8;
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            width: 100%;
            background: none;
            text-align: left;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            border: none;
            outline: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-fast);
            color: var(--text-secondary);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #2563eb 40%, #1d4ed8 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -70px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-md);
        }
        .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
            color: var(--primary-dark);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            margin-left: 12px;
            transition: all var(--transition);
        }
        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        @media (max-width: 600px) {
            .cta-section h2 {
                font-size: 1.45rem;
            }
            .btn-outline-white {
                margin-left: 0;
                margin-top: 10px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #cbd5e1;
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-brand .logo-brand {
            color: #fff;
            margin-bottom: 10px;
            display: inline-flex;
        }
        .footer-brand p {
            color: #94a3b8;
            line-height: 1.6;
            font-size: 0.85rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 28px auto 0;
            padding: 18px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8rem;
            color: #64748b;
        }

        /* ===== Misc ===== */
        .text-center {
            text-align: center;
        }
        .bg-white-section {
            background: var(--bg-white);
        }
        .bg-light-section {
            background: #f1f5f9;
        }
        .divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0;
        }
        @media (max-width: 768px) {
            .hide-mobile {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #c9a96e;
            --color-primary-hover: #b8924f;
            --color-primary-light: #f5ecd7;
            --color-secondary: #1b2a4a;
            --color-secondary-light: #243456;
            --color-accent: #e85d3a;
            --color-accent-hover: #d14426;
            --color-bg: #fafaf9;
            --color-bg-alt: #f3f0eb;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-strong: #0d1117;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e3de;
            --color-border-light: #f0ede8;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1rem;
            --space-lg: 1.5rem;
            --space-xl: 2rem;
            --space-2xl: 3rem;
            --space-3xl: 4rem;
            --space-4xl: 5rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --header-height: 72px;
            --topbar-height: 34px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input {
            font-family: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text-strong);
            line-height: 1.3;
            margin-top: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-xl);
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--space-md);
            }
        }

        /* Top Info Bar */
        .top-info-bar {
            background: var(--color-secondary);
            color: #c4c9d4;
            font-size: 0.8rem;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            z-index: 1001;
            position: relative;
        }
        .top-info-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .top-info-bar .top-left span {
            margin-right: var(--space-lg);
        }
        .top-info-bar .top-left i {
            margin-right: 4px;
            color: var(--color-primary);
            font-size: 0.7rem;
        }
        .top-info-bar .top-right a {
            color: #c4c9d4;
            font-size: 0.8rem;
            margin-left: var(--space-md);
            transition: color var(--transition-fast);
        }
        .top-info-bar .top-right a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 640px) {
            .top-info-bar {
                display: none;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-strong);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: -0.02em;
        }
        .logo-brand:hover {
            color: var(--color-primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary), #d4af6e);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            border-radius: var(--radius-sm);
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.45rem 0.9rem;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: var(--color-primary-light);
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 0.5rem 1.2rem !important;
            border-radius: 50px !important;
            transition: all var(--transition-base) !important;
            margin-left: 0.3rem;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 0.4rem;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--color-bg-alt);
        }

        @media (max-width: 920px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-md);
                gap: 0;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.is-open {
                display: flex;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 1rem;
                border-radius: var(--radius-sm);
                text-align: center;
            }
            .nav-links .nav-cta-btn {
                margin-left: 0;
                margin-top: var(--space-sm);
                text-align: center;
                border-radius: 50px !important;
            }
            .site-header {
                height: auto;
                min-height: var(--header-height);
            }
            .site-header .container {
                flex-wrap: wrap;
                padding-top: 0.5rem;
                padding-bottom: 0.5rem;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: var(--color-secondary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(27, 42, 74, 0.88) 0%,
                    rgba(27, 42, 74, 0.7) 40%,
                    rgba(27, 42, 74, 0.55) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: var(--space-3xl) 0;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-md);
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: var(--space-md);
            letter-spacing: -0.03em;
            line-height: 1.2;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.7;
        }
        .page-banner .banner-stats-row {
            display: flex;
            gap: var(--space-2xl);
            margin-top: var(--space-xl);
            flex-wrap: wrap;
        }
        .page-banner .banner-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
        }
        .page-banner .banner-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 300px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .page-banner .banner-stats-row {
                gap: var(--space-lg);
            }
            .page-banner .banner-stat-item .stat-num {
                font-size: 1.4rem;
            }
        }

        /* Section Common */
        .section {
            padding: var(--space-4xl) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-3xl);
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--space-sm);
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-3xl) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* Event Cards Grid */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-xl);
        }
        @media (max-width: 1024px) {
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-lg);
            }
        }
        @media (max-width: 640px) {
            .events-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }
        .event-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .event-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .event-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .event-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .event-card .card-status-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .badge-live {
            background: #ef4444;
            color: #fff;
            animation: pulse-badge 2s infinite;
        }
        .badge-upcoming {
            background: var(--color-warning);
            color: #1a1a2e;
        }
        .badge-finished {
            background: #6b7280;
            color: #fff;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }
        .event-card .card-body {
            padding: var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            line-height: 1.4;
        }
        .event-card .card-body .card-meta {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-bottom: var(--space-sm);
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            align-items: center;
        }
        .event-card .card-body .card-meta i {
            color: var(--color-primary);
            font-size: 0.7rem;
            margin-right: 3px;
        }
        .event-card .card-body .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: var(--space-md);
            flex: 1;
        }
        .event-card .card-body .card-prize {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1rem;
            margin-bottom: var(--space-md);
        }
        .btn-outline {
            display: inline-block;
            padding: 0.5rem 1.3rem;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            transition: all var(--transition-fast);
            background: transparent;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            text-decoration: none;
        }
        .btn-solid {
            display: inline-block;
            padding: 0.6rem 1.5rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-solid:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            text-decoration: none;
        }

        /* Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-xl);
            text-align: center;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-lg);
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
        }
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-text-strong);
            line-height: 1;
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
        }

        /* Timeline */
        .timeline-list {
            position: relative;
            padding-left: 0;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-border);
            border-radius: 3px;
        }
        @media (max-width: 640px) {
            .timeline-list::before {
                left: 16px;
            }
        }
        .timeline-item {
            position: relative;
            padding-left: 60px;
            margin-bottom: var(--space-xl);
        }
        @media (max-width: 640px) {
            .timeline-item {
                padding-left: 44px;
            }
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 6px;
            width: 18px;
            height: 18px;
            background: var(--color-primary);
            border-radius: 50%;
            border: 3px solid var(--color-surface);
            box-shadow: 0 0 0 3px var(--color-primary-light);
            z-index: 2;
        }
        @media (max-width: 640px) {
            .timeline-item::before {
                left: 8px;
                width: 14px;
                height: 14px;
                border-width: 2px;
                box-shadow: 0 0 0 2px var(--color-primary-light);
            }
        }
        .timeline-item .tl-date {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }
        .timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .timeline-item .tl-desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* Guide Cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-xl);
        }
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
        }
        .guide-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .guide-card .guide-step {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 800;
            font-size: 1.3rem;
            border-radius: 50%;
            margin-bottom: var(--space-md);
        }
        .guide-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: var(--space-xs);
        }
        .guide-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-xs);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--space-lg);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-strong);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--space-md);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
        }
        .faq-item.is-open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--space-lg);
        }
        .faq-item.is-open .faq-answer {
            max-height: 500px;
            padding: 0 var(--space-lg) var(--space-lg);
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-secondary);
            color: #fff;
            text-align: center;
            padding: var(--space-4xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(201, 169, 110, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(201, 169, 110, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: var(--space-xl);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-solid {
            font-size: 1rem;
            padding: 0.75rem 2rem;
        }

        /* Footer */
        .site-footer {
            background: #141a26;
            color: #b0b8c4;
            padding: var(--space-3xl) 0 var(--space-lg);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: var(--space-2xl);
            margin-bottom: var(--space-2xl);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xl);
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }
        .footer-brand p {
            margin-top: var(--space-sm);
            line-height: 1.7;
            color: #8a8f95;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: var(--space-xs);
        }
        .footer-col ul li a {
            color: #8a8f95;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-lg);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.8rem;
            color: #6b7280;
        }
        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }
        .mt-xl {
            margin-top: var(--space-xl);
        }
        .mt-2xl {
            margin-top: var(--space-2xl);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        @media (max-width: 640px) {
            .hide-mobile {
                display: none;
            }
        }

/* roulang page: category4 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #0F1923;
            --color-primary-light: #1A2D3D;
            --color-accent: #C8963E;
            --color-accent-light: #D4A843;
            --color-accent-bright: #E8C154;
            --color-accent-subtle: #F5E6CC;
            --color-bg: #F5F6F8;
            --color-bg-white: #FFFFFF;
            --color-bg-dark: #0D1520;
            --color-text: #1E1E1E;
            --color-text-secondary: #4A5058;
            --color-text-weak: #6B7280;
            --color-text-light: #8A8F95;
            --color-border: #E5E7EB;
            --color-border-light: #F0F1F3;
            --color-tag-bg: #EEF0F3;
            --color-tag-text: #4A5568;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.16);
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 48px;
            --space-3xl: 64px;
            --space-4xl: 80px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
            --topbar-height: 36px;
        }

        /* ========== 基础 Reset 与 Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }

        /* ========== Foundation 覆盖 ========== */
        .grid-container {
            max-width: var(--max-width);
            padding-left: var(--space-lg);
            padding-right: var(--space-lg);
        }
        .row {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
        }
        .button {
            font-family: var(--font-stack);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            font-weight: 600;
            letter-spacing: 0.01em;
        }
        .button:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ========== 顶部信息条 ========== */
        .top-info-bar {
            background: var(--color-primary);
            color: #c0c7cf;
            font-size: 0.8rem;
            padding: 6px 0;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .top-info-bar .grid-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .top-info-bar a {
            color: #d0d6dd;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }
        .top-info-bar a:hover {
            color: var(--color-accent-bright);
        }
        .top-info-left {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }
        .top-info-right {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
        }
        .top-info-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-success);
            display: inline-block;
            margin-right: 6px;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
            }
        }

        /* ========== Header & 导航 ========== */
        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo-brand:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright));
            color: #fff;
            font-weight: 900;
            font-size: 17px;
            border-radius: var(--radius-sm);
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-accent);
            background: var(--color-accent-subtle);
        }
        .nav-links a.active {
            color: var(--color-accent);
            background: var(--color-accent-subtle);
            font-weight: 700;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright)) !important;
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: 20px !important;
            font-weight: 700 !important;
            letter-spacing: 0.03em;
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.35);
            transition: all var(--transition-base) !important;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.5) !important;
            background: linear-gradient(135deg, var(--color-accent-bright), #f0d070) !important;
            color: #fff !important;
        }
        .nav-cta-btn::after {
            display: none !important;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 6px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: var(--color-border-light);
        }

        /* ========== 内页 Banner ========== */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-3.webp') center center / cover no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(15, 25, 35, 0.88) 0%,
                    rgba(15, 25, 35, 0.7) 50%,
                    rgba(15, 25, 35, 0.78) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: var(--space-3xl) 0;
            text-align: center;
        }
        .page-banner-content .banner-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--color-accent-bright);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-lg);
        }
        .page-banner-content h1 {
            color: #fff;
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-md);
        }
        .page-banner-content p {
            color: #c8cdd6;
            font-size: 1.1rem;
            max-width: 650px;
            margin: 0 auto var(--space-lg);
            line-height: 1.7;
        }
        .banner-search-wrap {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            gap: 0;
            border-radius: 30px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .banner-search-wrap input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 0.95rem;
            outline: none;
            background: #fff;
            color: var(--color-text);
        }
        .banner-search-wrap button {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 14px 24px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition-fast);
            white-space: nowrap;
        }
        .banner-search-wrap button:hover {
            background: var(--color-accent-bright);
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--space-3xl) 0;
        }
        .section-block.bg-white {
            background: var(--color-bg-white);
        }
        .section-block.bg-light {
            background: var(--color-bg);
        }
        .section-block.bg-dark {
            background: var(--color-bg-dark);
            color: #d0d5db;
        }
        .section-block.bg-dark h2,
        .section-block.bg-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-2xl);
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-sm);
        }
        .section-header .section-subtitle {
            color: var(--color-text-weak);
            font-size: 1rem;
        }
        .section-badge {
            display: inline-block;
            background: var(--color-accent-subtle);
            color: var(--color-accent);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-sm);
            text-transform: uppercase;
        }

        /* ========== 新闻筛选标签 ========== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: var(--space-2xl);
        }
        .filter-tag {
            padding: 10px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            border: 2px solid var(--color-border);
            background: #fff;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-subtle);
        }
        .filter-tag.active-tag {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        /* ========== 新闻卡片列表 ========== */
        .news-list-item {
            display: flex;
            gap: var(--space-lg);
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            margin-bottom: var(--space-lg);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .news-list-img {
            width: 260px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .news-list-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-list-item:hover .news-list-img img {
            transform: scale(1.06);
        }
        .news-list-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            min-width: 0;
        }
        .news-meta-row {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex-wrap: wrap;
            margin-bottom: var(--space-sm);
            font-size: 0.82rem;
            color: var(--color-text-weak);
        }
        .news-meta-row .news-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .news-meta-tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .news-list-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            line-height: 1.4;
        }
        .news-list-body h3 a {
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }
        .news-list-body h3 a:hover {
            color: var(--color-accent);
        }
        .news-list-body p {
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.65;
            margin-bottom: var(--space-md);
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .news-read-more:hover {
            color: var(--color-accent-bright);
            gap: 10px;
        }
        .news-read-more i {
            font-size: 0.75rem;
        }

        /* ========== 侧边栏 ========== */
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            margin-bottom: var(--space-lg);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            padding-bottom: var(--space-sm);
            border-bottom: 2px solid var(--color-accent-subtle);
        }
        .sidebar-hot-item {
            display: flex;
            gap: var(--space-sm);
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .sidebar-hot-item:last-child {
            border-bottom: none;
        }
        .sidebar-hot-item:hover {
            padding-left: 6px;
        }
        .sidebar-hot-num {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--color-accent);
            flex-shrink: 0;
            width: 30px;
            text-align: center;
            line-height: 1;
        }
        .sidebar-hot-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-hot-info a {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-hot-info a:hover {
            color: var(--color-accent);
        }
        .sidebar-hot-info .hot-date {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-top: 3px;
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag {
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
        }
        .sidebar-tag:hover {
            background: var(--color-accent);
            color: #fff;
        }

        /* ========== 精选推荐区 ========== */
        .featured-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .featured-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.06);
        }
        .featured-card-body {
            padding: var(--space-lg);
        }
        .featured-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }
        .featured-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-bottom: var(--space-md);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== 统计卡片 ========== */
        .stat-card {
            text-align: center;
            padding: var(--space-xl) var(--space-lg);
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            font-size: 2.4rem;
            color: var(--color-accent);
            margin-bottom: var(--space-sm);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #1A3040 50%, var(--color-primary) 100%);
            padding: var(--space-4xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.1);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            pointer-events: none;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--space-md);
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: #bcc4ce;
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto var(--space-xl);
            position: relative;
            z-index: 1;
        }
        .cta-btn-large {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-bright));
            color: #fff;
            padding: 16px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.45);
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
        }
        .cta-btn-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(200, 150, 62, 0.6);
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent-bright), #f0d070);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: var(--space-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: var(--space-lg);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-primary);
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-accent);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--space-lg);
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 var(--space-lg) var(--space-lg);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #b0b7c0;
            padding: var(--space-3xl) 0 var(--space-lg);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: var(--space-2xl);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }
        .footer-brand p {
            margin-top: var(--space-md);
            line-height: 1.7;
            color: #8a8f95;
            font-size: 0.88rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #8a8f95;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-bright);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: var(--space-2xl);
            padding-top: var(--space-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-md);
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: var(--space-lg);
            padding-right: var(--space-lg);
            font-size: 0.82rem;
            color: #6b7280;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .grid-container {
                padding-left: var(--space-md);
                padding-right: var(--space-md);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xl);
            }
            .news-list-img {
                width: 200px;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner-content h1 {
                font-size: 2rem;
            }
            .section-block {
                padding: var(--space-2xl) 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --topbar-height: 30px;
            }
            .top-info-bar {
                font-size: 0.7rem;
                height: var(--topbar-height);
            }
            .top-info-right {
                gap: var(--space-sm);
            }
            .top-info-left {
                gap: var(--space-sm);
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: var(--space-md);
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-cta-btn {
                width: 100%;
                text-align: center;
                margin-top: 6px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .news-list-item {
                flex-direction: column;
                padding: var(--space-md);
            }
            .news-list-img {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
                text-align: center;
            }
            .footer-brand {
                text-align: center;
            }
            .page-banner {
                min-height: 220px;
            }
            .page-banner-content h1 {
                font-size: 1.6rem;
            }
            .page-banner-content p {
                font-size: 0.9rem;
            }
            .banner-search-wrap {
                max-width: 100%;
                margin: 0 var(--space-md);
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-btn-large {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner-content h1 {
                font-size: 1.35rem;
            }
            .page-banner {
                min-height: 190px;
            }
            .banner-search-wrap input {
                padding: 12px 14px;
                font-size: 0.85rem;
            }
            .banner-search-wrap button {
                padding: 12px 16px;
                font-size: 0.85rem;
            }
            .news-list-body h3 {
                font-size: 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .filter-tag {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }