/* roulang page: index */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #1a3359;
            --color-accent: #c9a050;
            --color-accent-hover: #d4af6a;
            --color-accent-light: #f5ecd7;
            --color-bg: #ffffff;
            --color-bg-alt: #f4f5f7;
            --color-bg-dark: #0a1628;
            --color-text: #1c1c2e;
            --color-text-secondary: #5a6070;
            --color-text-light: #8b919e;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f4;
            --color-success: #2e7d32;
            --color-warning: #e67e22;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --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 30px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --container-max: 1200px;
            --nav-height: 68px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 60px;
            --space-xxl: 80px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
        }

        *,
        *::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(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 var(--space-md);
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--space-lg);
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--space-sm);
            height: 100%;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--space-md);
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--space-lg);
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), #b8892f);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-primary);
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .main-nav a.active {
            color: var(--color-accent);
            background: var(--color-accent-light);
        }
        .nav-badge {
            display: inline-block;
            font-size: 0.7rem;
            padding: 2px 7px;
            border-radius: 20px;
            background: var(--color-danger);
            color: #fff;
            margin-left: 4px;
            font-weight: 700;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .nav-cta {
            display: none;
        }
        @media (min-width: 768px) {
            .nav-cta {
                display: inline-flex;
                align-items: center;
                gap: 6px;
                padding: 10px 20px;
                background: var(--color-accent);
                color: #fff;
                border-radius: var(--radius-md);
                font-weight: 700;
                font-size: 0.9rem;
                white-space: nowrap;
                transition: all var(--transition-fast);
                flex-shrink: 0;
            }
            .nav-cta:hover {
                background: var(--color-accent-hover);
                color: #fff;
                transform: translateY(-1px);
                box-shadow: var(--shadow-md);
            }
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: #fff;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: var(--color-bg-alt);
        }
        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            position: relative;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle span::before,
        .mobile-menu-toggle span::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            position: absolute;
            left: 0;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle span::before {
            top: -7px;
        }
        .mobile-menu-toggle span::after {
            top: 7px;
        }
        .mobile-menu-toggle.active span {
            background: transparent;
        }
        .mobile-menu-toggle.active span::before {
            top: 0;
            transform: rotate(45deg);
        }
        .mobile-menu-toggle.active span::after {
            top: 0;
            transform: rotate(-45deg);
        }
        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            flex-direction: column;
            padding: var(--space-md);
            gap: 6px;
            overflow-y: auto;
            border-top: 1px solid var(--color-border-light);
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        @media (min-width: 1024px) {
            .mobile-nav-panel.open {
                display: none;
            }
        }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--color-accent-light);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .mobile-nav-cta {
            display: block;
            text-align: center;
            padding: 14px 20px;
            background: var(--color-accent);
            color: #fff !important;
            border-radius: var(--radius-md);
            font-weight: 700;
            margin-top: var(--space-xs);
            border: none !important;
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            padding: var(--space-xxl) 0;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.88) 0%, rgba(10, 22, 40, 0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .hero-label {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: var(--space-md);
            color: #fff;
        }
        .hero-title {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            line-height: 1.2;
        }
        .hero-title .accent {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--space-lg);
            line-height: 1.7;
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }
        .btn-accent-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
            font-weight: 700;
        }
        .btn-accent-outline:hover {
            background: var(--color-accent);
            color: #fff;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .hero-section {
                padding: 100px 0;
                min-height: 580px;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.2rem;
            }
            .hero-section {
                min-height: 620px;
            }
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: var(--space-xl) 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: var(--space-xxl) 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-lg);
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: var(--space-xl);
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent);
            font-weight: 700;
            margin-bottom: var(--space-xs);
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
        }
        .section-desc {
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        /* ===== STATS STRIP ===== */
        .stats-strip {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            padding: var(--space-lg) 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }
        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .stat-card {
            text-align: center;
            padding: var(--space-md);
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-accent);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ===== ADVANTAGE CARDS ===== */
        .cards-grid-4 {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }
        @media (min-width: 520px) {
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .cards-grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .advantage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }
        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            font-size: 1.6rem;
            color: var(--color-accent);
        }
        .advantage-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .advantage-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== CATEGORY CARDS ===== */
        .cards-grid-5 {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }
        @media (min-width: 520px) {
            .cards-grid-5 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 768px) {
            .cards-grid-5 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .cards-grid-5 {
                grid-template-columns: repeat(5, 1fr);
            }
        }
        .category-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-normal);
            text-align: center;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-accent);
        }
        .category-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: var(--space-md);
        }
        .category-card-body h3 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-primary);
        }
        .category-card-body p {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin: 0;
        }

        /* ===== BRAND STORY ===== */
        .brand-story-section {
            background: var(--color-bg-alt);
            position: relative;
        }
        .brand-story-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-lg);
            align-items: center;
        }
        @media (min-width: 768px) {
            .brand-story-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .brand-story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
        }
        .brand-story-text h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: var(--space-sm);
            color: var(--color-primary);
        }
        .brand-story-text p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-sm);
            font-size: 0.95rem;
        }

        /* ===== MATCH CARDS ===== */
        .cards-grid-4-match {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }
        @media (min-width: 520px) {
            .cards-grid-4-match {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .cards-grid-4-match {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .match-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-normal);
        }
        .match-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .match-card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .match-card-body {
            padding: var(--space-md);
        }
        .match-card-tag {
            display: inline-block;
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: 20px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-weight: 700;
            margin-bottom: 8px;
        }
        .match-card-body h3 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .match-card-body .match-info {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* ===== TESTIMONIALS ===== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }
        @media (min-width: 768px) {
            .testimonials-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .testimonial-card::before {
            content: '"';
            font-size: 3rem;
            color: var(--color-accent-light);
            position: absolute;
            top: 8px;
            left: 16px;
            line-height: 1;
            font-weight: 900;
            opacity: 0.6;
        }
        .testimonial-text {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--space-sm);
            padding-top: var(--space-sm);
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-primary);
        }
        .testimonial-role {
            font-size: 0.75rem;
            color: var(--color-text-light);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-question {
            padding: 18px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            color: var(--color-primary);
            background: #fafbfc;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--color-accent-light);
        }
        .faq-question .faq-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
            color: var(--color-text-light);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ===== NEWS LIST ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: var(--space-md);
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            align-items: center;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .news-item-img {
            width: 100px;
            height: 75px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            display: none;
        }
        @media (min-width: 520px) {
            .news-item-img {
                display: block;
            }
        }
        .news-item-content {
            flex: 1;
            min-width: 0;
        }
        .news-date {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-bottom: 2px;
        }
        .news-item-content h3 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-excerpt {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-readmore {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-readmore:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            color: #fff;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 31, 61, 0.85);
            z-index: 1;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: var(--space-sm);
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-md);
            font-size: 0.95rem;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-xl) 0 var(--space-md);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: var(--space-sm);
            font-weight: 700;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-disclaimer {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            margin-top: var(--space-xs);
            line-height: 1.6;
        }

        /* ===== UTILITY ===== */
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== FOCUS ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: category4 */
:root {
            --primary: #0d2137;
            --primary-light: #1a3658;
            --accent: #c9a962;
            --accent-light: #d4b870;
            --accent-dark: #b8943d;
            --bg: #ffffff;
            --bg-light: #f6f7f9;
            --bg-warm: #faf9f6;
            --text: #1a1a1a;
            --text-secondary: #4a5568;
            --text-weak: #7b8794;
            --border: #e2e5ea;
            --border-light: #edf0f4;
            --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-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(13, 33, 55, 0.25);
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.68rem;
            font-weight: 700;
            background: #e53e3e;
            color: #fff;
            padding: 2px 7px;
            border-radius: 10px;
            line-height: 1;
            animation: badgePulse 2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--primary);
            font-size: 1.5rem;
            line-height: 1;
        }

        /* Hero Section */
        .page-hero {
            position: relative;
            background: var(--primary);
            background-image: linear-gradient(160deg, rgba(13, 33, 55, 0.92) 0%, rgba(26, 54, 88, 0.88) 40%, rgba(13, 33, 55, 0.94) 100%), url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 72px 0 64px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.5), transparent);
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 98, 0.2);
            color: var(--accent-light);
            border: 1px solid rgba(201, 169, 98, 0.35);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin: 0 auto 16px;
            max-width: 720px;
        }

        .page-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
        }

        /* Section通用样式 */
        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: var(--bg-light);
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 10px;
        }

        .section-header .section-divider {
            width: 48px;
            height: 3px;
            background: var(--accent);
            margin: 12px auto 14px;
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.65;
        }

        /* 技巧卡片网格 */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .skill-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }

        .skill-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            border-radius: 0 0 4px 4px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .skill-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }

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

        .skill-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .skill-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .skill-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }

        .skill-card .skill-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            color: var(--accent-dark);
            font-weight: 600;
            cursor: pointer;
            transition: color var(--transition);
        }

        .skill-card .skill-tag:hover {
            color: var(--primary);
        }

        /* 深度解析区 */
        .insight-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 44px;
        }

        .insight-block:last-child {
            margin-bottom: 0;
        }

        .insight-block.reverse {
            direction: rtl;
        }

        .insight-block.reverse>* {
            direction: ltr;
        }

        .insight-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }

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

        .insight-image:hover img {
            transform: scale(1.04);
        }

        .insight-content h3 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .insight-content p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 10px;
            font-size: 0.98rem;
        }

        .insight-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .insight-list li {
            padding-left: 22px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.6;
        }

        .insight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        /* 要点总结区 */
        .keypoints-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .keypoint-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--accent);
            transition: all var(--transition);
        }

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

        .keypoint-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .keypoint-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .keypoint-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 案例列表 */
        .case-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .case-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            align-items: flex-start;
            transition: all var(--transition);
        }

        .case-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }

        .case-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .case-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .case-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .case-meta {
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-top: 6px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.98rem;
            user-select: none;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-arrow {
            font-size: 1.2rem;
            transition: transform var(--transition);
            color: var(--accent);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: var(--primary);
            background-image: linear-gradient(150deg, rgba(13, 33, 55, 0.96) 0%, rgba(26, 54, 88, 0.9) 60%, rgba(13, 33, 55, 0.95) 100%), url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            text-align: center;
            padding: 60px 0;
            color: #fff;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(201, 169, 98, 0.5), transparent);
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 24px;
            font-size: 1rem;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 169, 98, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 20px rgba(201, 169, 98, 0.45);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 18px;
        }

        /* Footer */
        .site-footer {
            background: #0b1a2e;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            font-size: 0.85rem;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-disclaimer {
            margin-top: 10px;
            font-size: 0.76rem;
            color: rgba(255, 255, 255, 0.3);
            line-height: 1.6;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .skills-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .keypoints-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .insight-block.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .hero-stats-row {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .main-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 12px 16px;
                gap: 4px;
                z-index: 99;
            }
            .main-nav.mobile-open a {
                border-radius: var(--radius-sm);
                padding: 10px 16px;
                width: 100%;
            }
            .skills-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .keypoints-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-value {
                font-size: 1.5rem;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .case-item {
                flex-direction: column;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .skills-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a3a5c;
            --primary-light: #1f4d7a;
            --primary-dark: #0f2440;
            --accent: #c9a84c;
            --accent-light: #d4b868;
            --accent-dark: #a8882e;
            --accent-glow: rgba(201, 168, 76, 0.2);
            --bg: #ffffff;
            --bg-light: #f5f5f7;
            --bg-warm: #faf9f6;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text: #1a1a1a;
            --text-heading: #0f1a2e;
            --text-light: #6b7280;
            --text-muted: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f0f2;
            --radius-sm: 8px;
            --radius: 12px;
            --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: 0 4px 20px 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, 0.15);
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.04);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(26, 58, 92, 0.07);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            background: #e74c3c;
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 10px;
            line-height: 1;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(160deg, #0f2440 0%, #1a3a5c 35%, #1f4d7a 70%, #163050 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 0 60px;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 36, 64, 0.82) 0%, rgba(26, 58, 92, 0.75) 60%, rgba(15, 36, 64, 0.88) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: var(--accent-glow);
            filter: blur(100px);
            z-index: 0;
            opacity: 0.5;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 700px;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition);
        }
        .banner-breadcrumb a:hover {
            color: var(--accent-light);
        }
        .banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: #fff;
        }
        .page-banner h1 .accent {
            color: var(--accent-light);
        }
        .page-banner .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            max-width: 540px;
        }

        /* ========== MAIN CONTENT ========== */
        .page-main {
            flex: 1;
            padding: 60px 0;
            background: var(--bg-warm);
        }
        .section {
            margin-bottom: 56px;
        }
        .section:last-child {
            margin-bottom: 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-dark);
            background: var(--accent-glow);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .section-header p {
            font-size: 0.95rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .card-icon.blue {
            background: rgba(26, 58, 92, 0.1);
            color: var(--primary);
        }
        .card-icon.gold {
            background: var(--accent-glow);
            color: var(--accent-dark);
        }
        .card-icon.teal {
            background: rgba(20, 140, 130, 0.1);
            color: #148c82;
        }
        .card-icon.coral {
            background: rgba(220, 80, 70, 0.1);
            color: #c0392b;
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
        }
        .card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .card .card-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
            margin-top: auto;
        }
        .card .card-link:hover {
            color: var(--primary);
            gap: 8px;
        }

        /* ========== IMAGE CARD ========== */
        .image-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .image-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .image-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .image-card-body {
            padding: 20px 22px;
        }
        .image-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .image-card-body p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-number .accent {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            counter-increment: step;
        }
        .process-step:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }
        .process-step::before {
            content: counter(step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* ========== CONTENT BLOCK ========== */
        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .content-block.reverse {
            direction: rtl;
        }
        .content-block.reverse>* {
            direction: ltr;
        }
        .content-block img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            width: 100%;
            object-fit: cover;
            max-height: 380px;
        }
        .content-block .text-col h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }
        .content-block .text-col p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .content-block .text-col .highlight-tag {
            display: inline-block;
            background: var(--accent-glow);
            color: var(--accent-dark);
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.02);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.7rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: var(--accent-glow);
            filter: blur(120px);
            opacity: 0.4;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.02em;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 22px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #fff;
            padding: 50px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-disclaimer {
            margin-top: 8px;
            font-size: 0.76rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.6;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .content-block img {
                max-height: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-slow);
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav a {
                padding: 12px 14px;
                font-size: 0.95rem;
                border-radius: 8px;
                width: 100%;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                border-left: 3px solid var(--accent);
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .card-grid,
            .card-grid.cols-3,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .page-banner {
                padding: 44px 0 36px;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .faq-section {
                padding: 24px 16px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .content-block {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 12px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.88rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .stat-number {
                font-size: 2rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .card {
                padding: 20px 16px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 14px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a2a4a;
            --color-primary-light: #243660;
            --color-primary-dark: #111d35;
            --color-accent: #c9a96e;
            --color-accent-light: #d9be8f;
            --color-accent-dark: #b8924d;
            --color-bg: #f8f7f4;
            --color-white: #ffffff;
            --color-surface: #ffffff;
            --color-text: #1a1a1a;
            --color-text-secondary: #5a5a5a;
            --color-text-muted: #888888;
            --color-border: #e5e3dd;
            --color-border-light: #f0efe9;
            --color-success: #2d8c5e;
            --color-warning: #e8a840;
            --color-danger: #d44a4a;
            --color-tag-bg: #fef9f0;
            --color-tag-text: #b8924d;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-sm: 40px;
        }

        *,
        *::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(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(201, 169, 110, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .site-logo:hover {
            color: var(--color-accent-light);
        }

        .site-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: #ffffff;
            background: var(--color-accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.35);
        }

        .nav-badge {
            display: inline-block;
            background: #e84a3d;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 10px;
            line-height: 1.3;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: var(--color-primary-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 70px 0 60px;
            color: #ffffff;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 42, 74, 0.88) 0%, rgba(17, 29, 53, 0.78) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }

        .page-banner .breadcrumb a:hover {
            color: var(--color-accent-light);
        }

        .page-banner .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.75rem;
        }

        .page-banner .breadcrumb .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            line-height: 1.7;
        }

        .page-banner .banner-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .page-banner .banner-stat {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .page-banner .banner-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1;
        }

        .page-banner .banner-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.4;
        }

        /* Main */
        .site-main {
            flex: 1;
            padding: var(--section-gap) 0;
        }

        .site-main .container {
            display: flex;
            flex-direction: column;
            gap: var(--section-gap);
        }

        @media (max-width: 768px) {
            .site-main {
                padding: var(--section-gap-sm) 0;
            }
            .site-main .container {
                gap: var(--section-gap-sm);
            }
        }

        /* Section */
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent);
            background: var(--color-tag-bg);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .section-header .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .cards-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .cards-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .cards-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        @media (max-width: 1024px) {
            .cards-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .cards-grid.cols-2,
            .cards-grid.cols-3,
            .cards-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Card */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eae8e3;
        }

        .card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

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

        .card .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 16px;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            flex: 1;
        }

        .card .card-body .card-meta {
            margin-top: 14px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            transition: gap var(--transition-fast);
        }

        .card .card-body .card-link:hover {
            gap: 8px;
            color: var(--color-accent);
        }

        .card.card-horizontal {
            flex-direction: row;
        }

        .card.card-horizontal .card-img-wrap {
            width: 200px;
            min-width: 200px;
            aspect-ratio: auto;
            min-height: 100%;
        }

        @media (max-width: 600px) {
            .card.card-horizontal {
                flex-direction: column;
            }
            .card.card-horizontal .card-img-wrap {
                width: 100%;
                min-width: auto;
                aspect-ratio: 16 / 9;
            }
        }

        /* Info Card */
        .info-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .info-card:hover {
            box-shadow: var(--shadow-md);
        }

        .info-card .info-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--color-accent-dark);
        }

        .info-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .info-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Highlight Box */
        .highlight-box {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .highlight-box::after {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 160px;
            height: 160px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .highlight-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .highlight-box p {
            font-size: 1rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            position: relative;
            z-index: 1;
            max-width: 700px;
        }

        .highlight-box .highlight-list {
            list-style: none;
            margin-top: 16px;
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .highlight-box .highlight-list li {
            background: rgba(255, 255, 255, 0.1);
            padding: 10px 18px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        /* Table-style */
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 600px;
        }

        .data-table thead {
            background: var(--color-primary);
            color: #ffffff;
        }

        .data-table thead th {
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .data-table tbody td {
            padding: 13px 18px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-secondary);
        }

        .data-table tbody tr:hover {
            background: #fafaf8;
        }

        .data-table tbody tr:last-child td {
            border-bottom: none;
        }

        .data-table .val-high {
            color: var(--color-danger);
            font-weight: 600;
        }
        .data-table .val-mid {
            color: var(--color-warning);
            font-weight: 600;
        }
        .data-table .val-low {
            color: var(--color-success);
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-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-sm);
        }

        .faq-item .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            line-height: 1.5;
        }

        .faq-item .faq-question .faq-arrow {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
        }

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

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 22px 20px;
        }

        .faq-item .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            text-align: center;
            background: linear-gradient(135deg, #fdf8ef 0%, #faf6ea 100%);
            border-radius: var(--radius-xl);
            padding: 50px 30px;
            border: 2px solid var(--color-accent-light);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 120px;
            height: 120px;
            background: rgba(201, 169, 110, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 28px;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 20px rgba(184, 146, 77, 0.45);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #ffffff;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
        }

        /* Tags */
        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: 20px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 30px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-disclaimer {
            margin-top: 10px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.3);
            line-height: 1.6;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 7px 11px;
                font-size: 0.82rem;
            }
            .page-banner h1 {
                font-size: 2.1rem;
            }
            .page-banner {
                padding: 50px 0 44px;
            }
            .highlight-box {
                padding: 30px 24px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: var(--nav-height);
                padding: 10px 0;
            }
            .site-header .container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 2px;
                padding-top: 8px;
                background: var(--color-primary);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding-bottom: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                border-radius: 6px;
                padding: 10px 16px;
                font-size: 0.9rem;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .page-banner .banner-stats {
                gap: 16px;
            }
            .page-banner .banner-stat .stat-num {
                font-size: 1.5rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 34px 20px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .highlight-box h3 {
                font-size: 1.25rem;
            }
            .data-table-wrap {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner {
                padding: 36px 0 30px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.85rem;
            }
            .page-banner .banner-stats {
                flex-direction: column;
                gap: 10px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .card .card-body {
                padding: 16px;
            }
            .info-card {
                padding: 20px 18px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .highlight-box {
                padding: 22px 18px;
                border-radius: var(--radius-lg);
            }
            .highlight-box .highlight-list {
                flex-direction: column;
                gap: 8px;
            }
            .highlight-box .highlight-list li {
                text-align: center;
            }
            .faq-item .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-item .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .site-footer {
                padding: 32px 0 20px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1a3c5e;
            --primary-light: #1f4d78;
            --primary-dark: #0f2840;
            --accent: #c8963e;
            --accent-light: #d4a94e;
            --accent-glow: #e8c97a;
            --bg-white: #ffffff;
            --bg-light: #f6f7f9;
            --bg-card: #ffffff;
            --bg-dark: #0c1e30;
            --bg-section-alt: #eef1f5;
            --text-primary: #1a1a2e;
            --text-secondary: #3d405b;
            --text-weak: #6b6f85;
            --text-muted: #9498a8;
            --text-on-dark: #e8eaef;
            --text-on-primary: #ffffff;
            --border-light: #e0e3e8;
            --border-soft: #d5d9e0;
            --border-card: #e8eaef;
            --shadow-sm: 0 1px 3px rgba(10, 18, 30, 0.06);
            --shadow-md: 0 4px 14px rgba(10, 18, 30, 0.08);
            --shadow-lg: 0 8px 30px rgba(10, 18, 30, 0.11);
            --shadow-xl: 0 14px 42px rgba(10, 18, 30, 0.14);
            --shadow-accent: 0 4px 18px rgba(200, 150, 62, 0.28);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 50px;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.25s ease;
            --transition-bounce: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--text-primary);
            background: var(--bg-white);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.5px;
            box-shadow: 0 2px 8px rgba(26, 60, 94, 0.25);
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 15px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.05);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.08);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 10px;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 10px;
            background: #e74c3c;
            color: #fff;
            line-height: 1;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.08);
            }
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.6rem;
            color: var(--primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: var(--radius-pill);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: var(--shadow-accent);
            flex-shrink: 0;
        }
        .header-cta:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.35);
            transform: translateY(-1px);
        }

        /* 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;
            background-repeat: no-repeat;
            padding: 70px 0 60px;
            color: #fff;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 30, 48, 0.88) 0%, rgba(26, 60, 94, 0.78) 50%, rgba(12, 30, 48, 0.85) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .banner-breadcrumb a:hover {
            color: var(--accent-glow);
        }
        .banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .banner-title {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            color: #fff;
            line-height: 1.25;
        }
        .banner-subtitle {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            line-height: 1.6;
        }
        .banner-stats-row {
            display: flex;
            gap: 30px;
            margin-top: 22px;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .banner-stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-glow);
        }
        .banner-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* Section Common */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 8px;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-header .section-desc {
            font-size: 0.95rem;
            color: var(--text-weak);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.55;
        }
        .section-dark .section-header .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 22px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-bounce);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-soft);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-light);
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-bounce);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            z-index: 2;
        }
        .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 7px;
            line-height: 1.35;
        }
        .card-body p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.55;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--primary);
            transition: color var(--transition-fast);
        }
        .card-link:hover {
            color: var(--primary-light);
        }
        .card-link .arrow {
            transition: transform var(--transition-fast);
        }
        .card-link:hover .arrow {
            transform: translateX(4px);
        }

        /* Data Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 18px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-bounce);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            display: block;
        }
        .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-top: 4px;
        }
        .stat-change {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            margin-top: 6px;
        }
        .stat-change.up {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .stat-change.down {
            background: #fce4ec;
            color: #c62828;
        }

        /* Process Steps */
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-item {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px 22px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-bounce);
            counter-increment: step;
        }
        .process-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .process-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .process-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .process-item p {
            font-size: 0.84rem;
            color: var(--text-weak);
            line-height: 1.5;
        }

        /* Report List */
        .report-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .report-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-bounce);
            cursor: pointer;
        }
        .report-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-soft);
        }
        .report-date {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1.1;
        }
        .report-date .day {
            font-size: 1.3rem;
        }
        .report-date .month {
            font-size: 0.72rem;
            opacity: 0.85;
        }
        .report-info {
            flex: 1;
            min-width: 0;
        }
        .report-info h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 3px;
            line-height: 1.3;
        }
        .report-info p {
            font-size: 0.82rem;
            color: var(--text-weak);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .report-arrow {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }
        .report-item:hover .report-arrow {
            background: var(--accent);
            color: #fff;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            cursor: pointer;
            transition: background var(--transition-fast);
            border: none;
            outline: none;
        }
        .faq-question:hover {
            background: rgba(26, 60, 94, 0.03);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            color: var(--text-weak);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-bounce), padding var(--transition-bounce);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            text-align: center;
            padding: 56px 0;
        }
        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 500px;
            margin: 0 auto 22px;
            line-height: 1.55;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-pill);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
            outline: none;
            text-decoration: none;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 26px rgba(200, 150, 62, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 0.82rem;
            border-radius: var(--radius-pill);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #fff;
            padding: 48px 0 30px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .footer-col a {
            display: block;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 1.7;
        }
        .footer-disclaimer {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.3);
            margin-top: 8px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 7px 11px;
                font-size: 0.82rem;
            }
            .header-cta {
                padding: 7px 15px;
                font-size: 0.8rem;
            }
            .banner-title {
                font-size: 1.9rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 8px;
            }
            .main-nav {
                order: 3;
                width: 100%;
                overflow-x: auto;
                gap: 2px;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
                flex-wrap: nowrap;
                justify-content: flex-start;
            }
            .main-nav a {
                font-size: 0.78rem;
                padding: 6px 10px;
                flex-shrink: 0;
            }
            .header-cta {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
            .site-header {
                height: auto;
                min-height: var(--nav-height);
                padding: 8px 0;
            }
            .banner-title {
                font-size: 1.5rem;
            }
            .banner-subtitle {
                font-size: 0.9rem;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .banner-stat-num {
                font-size: 1.3rem;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .process-list {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .report-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .report-date {
                width: 48px;
                height: 48px;
            }
            .report-date .day {
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-text {
                font-size: 1.05rem;
            }
            .main-nav a {
                font-size: 0.72rem;
                padding: 5px 8px;
            }
            .header-cta {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
            .banner-title {
                font-size: 1.25rem;
            }
            .banner-subtitle {
                font-size: 0.82rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-value {
                font-size: 1.4rem;
            }
            .stat-card {
                padding: 18px 10px;
            }
            .process-list {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .report-list {
                gap: 10px;
            }
            .report-item {
                padding: 14px 16px;
            }
            .banner-stats-row {
                gap: 10px;
                flex-direction: column;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.82rem;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a2a5e;
            --primary-dark: #0f1c3f;
            --primary-light: #253b78;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --accent-dark: #a0752a;
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-sand: #faf7f1;
            --bg-dark: #0d1528;
            --text-primary: #1a1a2e;
            --text-body: #3a3d48;
            --text-weak: #7a7d88;
            --text-light: #9a9da8;
            --text-on-dark: #e8e9ed;
            --border: #e2e4ea;
            --border-light: #eef0f5;
            --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, 0.11);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --nav-height: 64px;
        }

        *,
        *::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-body);
            background: var(--bg-white);
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26, 42, 94, 0.05);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(26, 42, 94, 0.08);
            font-weight: 600;
        }

        .nav-badge {
            display: inline-block;
            font-size: 0.68rem;
            font-weight: 700;
            background: #e74c3c;
            color: #fff;
            padding: 2px 7px;
            border-radius: 20px;
            line-height: 1.3;
            letter-spacing: 0.02em;
            animation: badgePulse 2.2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            padding: 4px;
            cursor: pointer;
            z-index: 1001;
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2.2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
            margin: 0 auto;
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            padding: 60px 0 56px;
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15, 28, 63, 0.88) 0%, rgba(26, 42, 94, 0.78) 55%, rgba(200, 150, 62, 0.18) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero-content {
            max-width: 720px;
        }

        .page-hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .page-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .page-hero h1 .highlight {
            color: var(--accent-light);
        }

        .page-hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .page-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* Section Common */
        .section {
            padding: 56px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-dark);
            background: rgba(200, 150, 62, 0.1);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-weak);
            margin-top: 8px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Featured Recommendation */
        .featured-rec {
            background: var(--bg-sand);
        }

        .featured-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            border: 1px solid var(--border-light);
        }

        .featured-card-img {
            background-image: url('assets/images/coverpic/cover-3.webp');
            background-size: cover;
            background-position: center;
            min-height: 300px;
            position: relative;
        }

        .featured-card-img .match-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
        }

        .featured-card-body {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card-body .match-teams {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .featured-card-body .match-league {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-bottom: 14px;
        }

        .featured-card-body .rec-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .rec-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            background: rgba(26, 42, 94, 0.07);
            color: var(--primary);
        }

        .rec-badge.hot {
            background: #fdecea;
            color: #c0392b;
        }

        .featured-card-body .rec-reason {
            font-size: 0.93rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 18px;
        }

        .confidence-bar-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            font-size: 0.85rem;
            color: var(--text-weak);
        }

        .confidence-bar {
            flex: 1;
            height: 8px;
            background: #eef0f5;
            border-radius: 10px;
            overflow: hidden;
        }

        .confidence-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            border-radius: 10px;
            transition: width var(--transition-slow);
        }

        /* Rec Cards Grid */
        .rec-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .rec-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .rec-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .rec-card-img .confidence-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-full);
        }

        .rec-card-body {
            padding: 18px 20px;
        }

        .rec-card-body .match-teams-sm {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .rec-card-body .match-league-sm {
            font-size: 0.75rem;
            color: var(--text-weak);
            margin-bottom: 10px;
        }

        .rec-card-body .rec-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .rec-tag {
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 9px;
            border-radius: var(--radius-sm);
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent-dark);
        }

        .rec-card-body .rec-summary {
            font-size: 0.83rem;
            color: var(--text-body);
            line-height: 1.5;
        }

        /* Data Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }

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

        .stat-card .stat-icon {
            font-size: 2rem;
            margin-bottom: 8px;
        }

        .stat-card .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* Timeline */
        .history-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .history-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--accent);
            transition: all var(--transition-fast);
        }

        .history-item:hover {
            box-shadow: var(--shadow-md);
        }

        .history-item.win {
            border-left-color: #27ae60;
        }

        .history-item.loss {
            border-left-color: #e0e0e0;
        }

        .history-date {
            font-size: 0.8rem;
            color: var(--text-weak);
            white-space: nowrap;
            min-width: 60px;
        }

        .history-match {
            flex: 1;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.93rem;
        }

        .history-result {
            font-weight: 700;
            font-size: 0.88rem;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            white-space: nowrap;
        }

        .history-result.hit {
            background: #e8f8ef;
            color: #1e8449;
        }

        .history-result.miss {
            background: #fdf2f2;
            color: #a0a0a0;
        }

        /* Rules Section */
        .rules-section {
            background: var(--bg-light);
        }

        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .rule-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition-base);
        }

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

        .rule-card .rule-icon {
            font-size: 2.4rem;
            margin-bottom: 12px;
        }

        .rule-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .rule-card p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-arrow {
            flex-shrink: 0;
            font-size: 0.75rem;
            transition: transform var(--transition-base);
            color: var(--text-weak);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            color: #fff;
            text-align: center;
            padding: 60px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 28, 63, 0.85);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.35);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #fff;
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-disclaimer {
            margin-top: 8px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.6;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .rec-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card-img {
                min-height: 200px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border-light);
                display: none;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .rec-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .history-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-hero {
                padding: 40px 0 36px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero-stats {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .featured-card-body {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.35rem;
            }
            .page-hero-desc {
                font-size: 0.9rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .rec-card-img {
                height: 140px;
            }
            .container {
                padding: 0 14px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
        }