/* roulang page: index */
:root {
            --color-brand: #d42a2a;
            --color-brand-dark: #b11f1f;
            --color-brand-light: #fde3e3;
            --color-gold: #f59e0b;
            --color-gold-dark: #d97706;
            --color-text: #1a1a1a;
            --color-text-soft: #525252;
            --color-text-muted: #737373;
            --color-bg: #fafafa;
            --color-white: #ffffff;
            --color-border: #e5e5e5;
            --color-border-light: #f0f0f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --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, 0.10);
            --transition-fast: 180ms ease;
            --transition-normal: 280ms ease;
            --max-width: 1280px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            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);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            flex-wrap: wrap;
        }

        @media (min-width: 1024px) {
            .nav-container {
                flex-wrap: nowrap;
                gap: 1.5rem;
                padding-top: 0.625rem;
                padding-bottom: 0.625rem;
            }
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-brand);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.35rem;
            transition: color var(--transition-fast);
        }

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

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 700;
        }

        .nav-search-wrap {
            flex: 1 1 100%;
            order: 3;
            min-width: 0;
        }

        @media (min-width: 1024px) {
            .nav-search-wrap {
                flex: 1 1 320px;
                order: 2;
                max-width: 420px;
            }
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: #f5f5f5;
            border: 2px solid transparent;
            border-radius: 2rem;
            overflow: hidden;
            transition: all var(--transition-normal);
            width: 100%;
        }

        .nav-search:focus-within {
            border-color: var(--color-brand);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(212, 42, 42, 0.08);
        }

        .nav-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.65rem 1rem;
            font-size: 0.9rem;
            color: var(--color-text);
            outline: none;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: #a3a3a3;
        }

        .nav-search button {
            background: var(--color-brand);
            color: #fff;
            border: none;
            padding: 0.65rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast);
            white-space: nowrap;
            border-radius: 0 2rem 2rem 0;
        }

        .nav-search button:hover {
            background: var(--color-brand-dark);
        }

        .nav-links {
            display: none;
            gap: 0.25rem;
            align-items: center;
            flex-shrink: 0;
            order: 2;
            flex-wrap: wrap;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
                order: 3;
            }
        }

        .nav-links a {
            display: inline-block;
            padding: 0.45rem 0.85rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: 2rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-brand);
            background: var(--color-brand-light);
        }

        .nav-links a.active-nav {
            color: var(--color-brand);
            font-weight: 600;
            background: var(--color-brand-light);
        }

        .nav-links a .nav-badge {
            display: inline-block;
            background: var(--color-gold);
            color: #fff;
            font-size: 0.65rem;
            padding: 0.15rem 0.4rem;
            border-radius: 1rem;
            margin-left: 0.3rem;
            font-weight: 700;
            vertical-align: middle;
            line-height: 1;
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--color-text);
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            order: 1;
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: #f5f5f5;
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            padding: 1rem 1.5rem;
            flex-direction: column;
            gap: 0.35rem;
            z-index: 999;
        }

        .mobile-menu.open {
            display: flex;
        }

        @media (min-width: 1024px) {
            .mobile-menu {
                display: none !important;
            }
        }

        .mobile-menu a {
            display: block;
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active-nav {
            color: var(--color-brand);
            background: var(--color-brand-light);
            font-weight: 600;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #1a0a0a 0%, #2d1010 30%, #1a0a0a 60%, #0d0505 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 4rem 1.5rem;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .hero-section {
                padding: 6rem 2rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-section {
                padding: 7rem 2.5rem;
            }
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 42, 42, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fcd34d;
            padding: 0.4rem 1.2rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 2.2rem;
            font-weight: 900;
            margin: 0 0 1rem;
            letter-spacing: -0.03em;
            line-height: 1.25;
            color: #fff;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 3rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.5rem;
            }
        }

        .hero-title .highlight {
            color: #fcd34d;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin: 0 auto 2rem;
            max-width: 650px;
        }

        @media (min-width: 768px) {
            .hero-desc {
                font-size: 1.1rem;
            }
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-brand);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 42, 42, 0.35);
        }

        .btn-primary:hover {
            background: #c42020;
            box-shadow: 0 6px 24px rgba(212, 42, 42, 0.45);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--color-gold);
            color: #1a0a0a;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            font-weight: 700;
        }

        .btn-gold:hover {
            background: #e8960a;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
        }

        /* Section Styles */
        .section {
            padding: 3.5rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 3.5rem;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-brand);
            background: var(--color-brand-light);
            padding: 0.3rem 1rem;
            border-radius: 2rem;
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 0.6rem;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.2rem;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
        }

        @media (min-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1rem;
            }
        }

        @media (min-width: 1024px) {
            .stats-grid {
                gap: 1.5rem;
            }
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem 1rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #fbcbcb;
        }

        .stat-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-brand), var(--color-gold));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .stat-card:hover::after {
            opacity: 1;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-brand);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 2.5rem;
            }
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 0.4rem;
            font-weight: 500;
        }

        /* Advantage Cards */
        .advantage-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .advantage-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
            }
        }

        .advantage-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }

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

        .advantage-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 50%;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            transition: transform var(--transition-normal);
        }

        .advantage-card:hover .advantage-icon {
            transform: scale(1.1);
        }

        .advantage-icon.red {
            background: #fde3e3;
            color: #d42a2a;
        }
        .advantage-icon.gold {
            background: #fef3c7;
            color: #d97706;
        }
        .advantage-icon.blue {
            background: #e0f0ff;
            color: #2563eb;
        }
        .advantage-icon.green {
            background: #dcfce7;
            color: #16a34a;
        }

        .advantage-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 0.5rem;
        }

        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }

        .category-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-decoration: none;
            color: inherit;
            cursor: pointer;
        }

        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: transparent;
        }

        .category-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        @media (min-width: 768px) {
            .category-card-img {
                height: 200px;
            }
        }

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

        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }

        .category-card-img .overlay-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(0, 0, 0, 0.6);
            color: #fff;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .category-card-body {
            padding: 1.25rem 1.25rem 1.5rem;
        }

        .category-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
            color: var(--color-text);
        }

        .category-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Brand Story */
        .brand-story-section {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .brand-story-inner {
            display: flex;
            flex-direction: column;
        }

        @media (min-width: 768px) {
            .brand-story-inner {
                flex-direction: row;
                align-items: stretch;
            }
        }

        .brand-story-image {
            flex: 0 0 40%;
            min-height: 260px;
            position: relative;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .brand-story-image {
                min-height: auto;
            }
        }

        .brand-story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .brand-story-text {
            padding: 2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        @media (min-width: 768px) {
            .brand-story-text {
                padding: 2.5rem 3rem;
            }
        }

        .brand-story-text h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 1rem;
            letter-spacing: -0.02em;
        }

        .brand-story-text p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.85;
            margin: 0 0 0.8rem;
        }

        .brand-story-text .brand-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 1rem;
        }

        .brand-highlight-tag {
            display: inline-block;
            background: var(--color-brand-light);
            color: var(--color-brand);
            padding: 0.35rem 0.85rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #fde3e3;
        }

        .testimonial-stars {
            color: #f59e0b;
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
            letter-spacing: 0.1em;
        }

        .testimonial-text {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 1rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .testimonial-avatar {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: #fde3e3;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-brand);
            font-size: 0.85rem;
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-role {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
        }

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

        .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 1.5rem;
            height: 1.5rem;
            border-radius: 50%;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-normal);
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--color-brand-light);
            color: var(--color-brand);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin: 0;
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

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

        .news-card-img {
            height: 160px;
            overflow: hidden;
        }

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

        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }

        .news-card-body {
            padding: 1.25rem;
        }

        .news-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-bottom: 0.4rem;
            font-weight: 500;
        }

        .news-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }

        .news-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0 0 1rem;
            line-height: 1.6;
        }

        .news-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-brand);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .news-read-more:hover {
            color: var(--color-brand-dark);
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 1.5rem 2.5rem;
        }

        .partner-item {
            background: #fff;
            padding: 1rem 1.5rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            font-weight: 600;
            color: var(--color-text-soft);
            font-size: 0.9rem;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .partner-item:hover {
            box-shadow: var(--shadow-md);
            color: var(--color-brand);
            border-color: #fbcbcb;
            transform: translateY(-2px);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a0a0a 0%, #3d1515 50%, #1a0a0a 100%);
            color: #fff;
            text-align: center;
            padding: 3.5rem 1.5rem;
            position: relative;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .cta-section {
                padding: 5rem 2rem;
            }
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 42, 42, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 1.8rem;
            font-weight: 900;
            margin: 0 0 1rem;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .cta-content h2 {
                font-size: 2.2rem;
            }
        }

        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 2rem;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 3rem 1.5rem 1.5rem;
        }

        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 2rem 2rem;
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.8rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            margin: 0 0 1rem;
            color: #999;
        }

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: #999;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: #888;
        }

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

        .footer-bottom a:hover {
            color: #fff;
        }

        /* Misc */
        .bg-light {
            background-color: #fafafa;
        }

        .bg-white-section {
            background-color: #fff;
        }

        .text-brand {
            color: var(--color-brand);
        }

        .text-gold {
            color: var(--color-gold);
        }

        .scroll-top-btn {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 2.8rem;
            height: 2.8rem;
            border-radius: 50%;
            background: var(--color-brand);
            color: #fff;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-lg);
            font-size: 1.1rem;
            z-index: 900;
            transition: all var(--transition-normal);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transform: translateY(10px);
        }

        .scroll-top-btn.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .scroll-top-btn:hover {
            background: var(--color-brand-dark);
            transform: translateY(-3px);
        }

        @media (max-width: 640px) {
            .scroll-top-btn {
                bottom: 1.25rem;
                right: 1.25rem;
                width: 2.4rem;
                height: 2.4rem;
                font-size: 1rem;
            }
        }

        /* Responsive fine-tuning */
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .btn {
                padding: 0.6rem 1.2rem;
                font-size: 0.85rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .category-card-img {
                height: 150px;
            }
            .brand-story-text {
                padding: 1.5rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a56db;
            --color-primary-dark: #1e40af;
            --color-primary-light: #3b82f6;
            --color-accent: #d97706;
            --color-accent-light: #f59e0b;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.03);
            --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 6px rgba(15, 23, 42, 0.04);
            --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.08), 0 4px 10px rgba(15, 23, 42, 0.05);
            --shadow-xl: 0 20px 50px rgba(15, 23, 42, 0.1), 0 8px 20px rgba(15, 23, 42, 0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s 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: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1rem;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-primary);
        }

        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex: 1;
            justify-content: flex-end;
        }
        .search-box {
            position: relative;
            flex: 1;
            max-width: 340px;
            min-width: 180px;
        }
        .search-box input {
            width: 100%;
            height: 42px;
            border: 2px solid var(--color-border);
            border-radius: 50px;
            padding: 0 2.75rem 0 1.1rem;
            font-size: 0.9rem;
            background: var(--color-bg);
            transition: all var(--transition-base);
            color: var(--color-text);
        }
        .search-box input:focus {
            border-color: var(--color-primary-light);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.08);
            outline: none;
        }
        .search-box input::placeholder {
            color: var(--color-text-muted);
        }
        .search-icon-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: background var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .search-icon-btn:hover {
            background: var(--color-primary-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0.85rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(26, 86, 219, 0.04);
        }
        .nav-links a.active-nav {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }
        .nav-links a.active-nav:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }
        .nav-badge {
            font-size: 0.68rem;
            background: #ef4444;
            color: #fff;
            padding: 0.1em 0.45em;
            border-radius: 50px;
            font-weight: 600;
            line-height: 1.2;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: transparent;
            border: 1.5px solid var(--color-border);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle.active-toggle span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active-toggle span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active-toggle span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
            }
            .search-box {
                max-width: 240px;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-search-wrap {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem 1.25rem 1.5rem;
                gap: 0.75rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-slow);
                z-index: 99;
            }
            .nav-search-wrap.mobile-open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links {
                flex-wrap: wrap;
                gap: 0.3rem;
                justify-content: center;
                width: 100%;
            }
            .nav-links a {
                padding: 0.45rem 0.8rem;
                font-size: 0.85rem;
                border-radius: 50px;
            }
            .search-box {
                max-width: 100%;
                width: 100%;
            }
            .header-inner {
                height: 60px;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

        /* ===== INNER PAGE BANNER ===== */
        .inner-banner {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #172554 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 3.5rem 0 3rem;
            color: #fff;
            overflow: hidden;
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(23, 37, 84, 0.85) 100%);
            z-index: 0;
        }
        .inner-banner .container-custom {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .breadcrumb-row a:hover {
            color: #fff;
        }
        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .inner-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }
        .inner-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .inner-banner {
                padding: 2.5rem 0 2rem;
            }
            .inner-banner h1 {
                font-size: 1.7rem;
            }
            .inner-banner .banner-desc {
                font-size: 0.9rem;
            }
        }

        /* ===== SECTION STYLES ===== */
        .section-padding {
            padding: 3.5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }
        .section-title-area {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            background: rgba(26, 86, 219, 0.07);
            padding: 0.3em 0.9em;
            border-radius: 50px;
            margin-bottom: 0.6rem;
        }
        .section-title-area h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin-bottom: 0.5rem;
        }
        .section-title-area .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ===== STAT CARDS ===== */
        .stat-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        @media (max-width: 1024px) {
            .stat-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stat-cards-grid {
                grid-template-columns: 1fr;
            }
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem 1.25rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #cbd5e1;
        }
        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            background: rgba(26, 86, 219, 0.08);
            color: var(--color-primary);
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 0.35rem;
        }
        .stat-card .stat-change {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.15em 0.55em;
            border-radius: 50px;
            margin-top: 0.4rem;
        }
        .stat-change.up {
            color: #059669;
            background: #ecfdf5;
        }
        .stat-change.stable {
            color: #6366f1;
            background: #eef2ff;
        }

        /* ===== ANALYSIS CARDS ===== */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 1024px) {
            .analysis-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .analysis-grid {
                grid-template-columns: 1fr;
            }
        }
        .analysis-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .analysis-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #cbd5e1;
        }
        .analysis-card .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, rgba(26, 86, 219, 0.1), rgba(59, 130, 246, 0.06));
            color: var(--color-primary);
        }
        .analysis-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
        }
        .analysis-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }
        .analysis-card .card-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: 0.9rem;
        }
        .card-tag {
            font-size: 0.73rem;
            padding: 0.2em 0.65em;
            border-radius: 50px;
            font-weight: 500;
            background: #f1f5f9;
            color: #475569;
            white-space: nowrap;
        }
        .card-tag.hot {
            background: #fef2f2;
            color: #dc2626;
        }

        /* ===== INSIGHT BLOCK ===== */
        .insight-block {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 2.5rem;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 768px) {
            .insight-block {
                grid-template-columns: 1fr;
            }
        }
        .insight-img-wrap {
            height: 100%;
            min-height: 300px;
            position: relative;
            overflow: hidden;
        }
        .insight-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .insight-content {
            padding: 2rem 2rem 2rem 0.5rem;
        }
        @media (max-width: 768px) {
            .insight-content {
                padding: 1.5rem 1.5rem 2rem;
            }
            .insight-img-wrap {
                min-height: 220px;
            }
        }
        .insight-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
        }
        .insight-content p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 0.6rem;
        }
        .insight-list {
            list-style: none;
            padding: 0;
            margin: 1rem 0 0;
        }
        .insight-list li {
            padding: 0.4rem 0;
            font-size: 0.9rem;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            border-bottom: 1px dashed var(--color-border-light);
        }
        .insight-list li:last-child {
            border-bottom: none;
        }
        .insight-list li::before {
            content: '✓';
            color: #059669;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ===== DATA TABLE STYLE CARDS ===== */
        .data-overview-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        @media (max-width: 640px) {
            .data-overview-grid {
                grid-template-columns: 1fr;
            }
        }
        .data-overview-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .data-overview-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #cbd5e1;
        }
        .data-ov-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-lg);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
        }
        .data-ov-icon.blue-bg {
            background: #eff6ff;
            color: #1a56db;
        }
        .data-ov-icon.amber-bg {
            background: #fffbeb;
            color: #d97706;
        }
        .data-ov-icon.green-bg {
            background: #ecfdf5;
            color: #059669;
        }
        .data-ov-icon.purple-bg {
            background: #f5f3ff;
            color: #7c3aed;
        }
        .data-ov-info h4 {
            font-weight: 700;
            color: var(--color-text);
            font-size: 1rem;
        }
        .data-ov-info .ov-detail {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            margin-top: 0.15rem;
        }
        .data-ov-info .ov-value {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text);
            margin-top: 0.2rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #cbd5e1;
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.25rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            cursor: pointer;
            transition: color var(--transition-fast);
            border: none;
            outline: none;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            font-size: 0.7rem;
        }
        .faq-item.open .faq-arrow {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.25rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.1rem;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a 0%, #1a56db 40%, #172554 100%);
            border-radius: var(--radius-2xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            position: relative;
            z-index: 1;
            margin-bottom: 0.5rem;
        }
        .cta-section p {
            font-size: 0.95rem;
            opacity: 0.85;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin: 0 auto 1.5rem;
        }
        .cta-btn {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        .cta-btn:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.65;
            color: #94a3b8;
        }
        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 0.75rem;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links ul li {
            margin-bottom: 0.45rem;
        }
        .footer-links ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

/* roulang page: category1 */
:root {
            --primary: #1a6fb5;
            --primary-dark: #145789;
            --primary-light: #e8f4fd;
            --accent: #e85d3a;
            --accent-light: #fff0ec;
            --bg: #f7f8fa;
            --surface: #ffffff;
            --text: #1a1d26;
            --text-secondary: #5c6370;
            --text-weak: #8b919e;
            --border: #e2e6ed;
            --border-light: #eef1f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1240px;
            --header-height: 68px;
        }

        *,
        *::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-main);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        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 {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ul {
            list-style: none;
        }

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

        /* Header / Navigation */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            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;
            height: var(--header-height);
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), #2089d0);
            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;
        }
        .nav-search-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            max-width: 440px;
            margin: 0 auto;
        }
        .nav-search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 2px solid transparent;
            border-radius: 50px;
            padding: 9px 16px;
            width: 100%;
            transition: all var(--transition-normal);
            gap: 8px;
        }
        .nav-search-box:focus-within {
            border-color: var(--primary);
            background: var(--surface);
            box-shadow: 0 0 0 5px rgba(26, 111, 181, 0.08);
        }
        .nav-search-box i {
            color: var(--text-weak);
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .nav-search-box input {
            flex: 1;
            background: transparent;
            font-size: 0.95rem;
            color: var(--text);
            min-width: 0;
        }
        .nav-search-box input::placeholder {
            color: var(--text-weak);
        }
        .nav-search-btn {
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-search-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            flex-shrink: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 13px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active-nav {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active-nav:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 50px;
            line-height: 1;
            animation: badgePulse 2s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }
        .mobile-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .mobile-toggle:hover {
            background: var(--bg);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: linear-gradient(160deg, #0d4a75 0%, #1a6fb5 40%, #1e80c8 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 64px 0 56px;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            font-size: 0.7rem;
            opacity: 0.6;
        }
        .banner-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.6px;
            margin-bottom: 8px;
            line-height: 1.2;
        }
        .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.6;
        }
        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border-radius: 50px;
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-top: 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .live-dot {
            width: 9px;
            height: 9px;
            background: #4ef08e;
            border-radius: 50%;
            animation: livePulse 1.2s ease-in-out infinite;
        }
        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(78, 240, 142, 0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(78, 240, 142, 0);
            }
        }

        /* Section */
        .section {
            padding: 52px 0;
        }
        .section-sm {
            padding: 36px 0;
        }
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: -0.3px;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }
        .section-header {
            margin-bottom: 28px;
        }

        /* Lottery Ball */
        .ball-red {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #f8716b, #d4352b);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 3px 10px rgba(212, 53, 43, 0.35);
            flex-shrink: 0;
        }
        .ball-blue {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #5b9cf5, #235ec4);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 3px 10px rgba(35, 94, 196, 0.35);
            flex-shrink: 0;
        }
        .ball-sm {
            width: 34px;
            height: 34px;
            font-size: 0.9rem;
        }

        /* Card */
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .card-flat {
            box-shadow: none;
            border: 1px solid var(--border);
        }
        .card-highlight {
            border-left: 4px solid var(--primary);
        }

        /* Result Card */
        .result-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .result-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .result-card .lottery-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .result-card .lottery-info {
            flex: 1;
            min-width: 140px;
        }
        .result-card .lottery-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 2px;
        }
        .result-card .lottery-period {
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        .result-card .balls-row {
            display: flex;
            align-items: center;
            gap: 7px;
            flex-wrap: wrap;
        }
        .result-card .result-time {
            font-size: 0.78rem;
            color: var(--text-weak);
            white-space: nowrap;
        }
        .tag-new {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 9px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }
        .tag-hot {
            display: inline-block;
            background: #fef3e8;
            color: var(--accent);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 9px;
            border-radius: 50px;
        }

        /* Schedule Table */
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .schedule-table th {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 13px 14px;
            text-align: left;
            font-size: 0.82rem;
            letter-spacing: 0.3px;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }
        .schedule-table td {
            padding: 13px 14px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
        }
        .schedule-table tbody tr {
            transition: background var(--transition-fast);
        }
        .schedule-table tbody tr:hover {
            background: #fafbfc;
        }
        .schedule-table .time-highlight {
            font-weight: 700;
            color: var(--primary);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--surface);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            padding: 17px 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            font-size: 0.98rem;
            gap: 12px;
            user-select: none;
        }
        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--text-weak);
            flex-shrink: 0;
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(155deg, #0d4a75 0%, #1a6fb5 50%, #1e7cc4 100%);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(255, 255, 255, 0.07) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 0.98rem;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
            background: #f0f6fc;
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, 0.55);
            color: #fff;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            background: transparent;
        }
        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: #1a1d26;
            color: #c5c9d2;
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: #a0a5b0;
        }
        .footer-links h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-links ul li {
            margin-bottom: 7px;
        }
        .footer-links ul li a {
            font-size: 0.84rem;
            color: #a0a5b0;
            transition: color var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.78rem;
            color: #7a7f8a;
        }
        .footer-bottom a {
            color: #a0a5b0;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* Mobile Nav Overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 99;
        }
        .mobile-nav-overlay.show {
            display: block;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: var(--surface);
            z-index: 100;
            padding: 24px 20px;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-xl);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-nav-panel.show {
            transform: translateX(0);
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            color: var(--text);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover {
            background: var(--bg);
            color: var(--primary);
        }
        .mobile-nav-panel a.active-nav {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .mobile-nav-close {
            align-self: flex-end;
            background: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
        }
        .mobile-nav-close:hover {
            background: var(--bg);
        }

        /* Responsive */
        @media (max-width: 1100px) {
            .nav-links a {
                padding: 7px 9px;
                font-size: 0.82rem;
            }
            .nav-search-wrap {
                max-width: 280px;
            }
            .header-inner {
                gap: 12px;
            }
        }
        @media (max-width: 960px) {
            .nav-links {
                display: none;
            }
            .nav-search-wrap {
                max-width: 320px;
                margin: 0;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                justify-content: space-between;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .banner-title {
                font-size: 1.8rem;
            }
            .result-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .section {
                padding: 36px 0;
            }
            .cta-section {
                padding: 32px 22px;
                border-radius: var(--radius-lg);
            }
        }
        @media (max-width: 640px) {
            .header-inner {
                padding: 0 14px;
            }
            .container-custom {
                padding: 0 14px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-search-wrap {
                max-width: 200px;
            }
            .nav-search-box {
                padding: 7px 12px;
                gap: 5px;
            }
            .nav-search-box input {
                font-size: 0.82rem;
            }
            .nav-search-btn {
                padding: 6px 13px;
                font-size: 0.78rem;
            }
            .banner-title {
                font-size: 1.5rem;
            }
            .banner-subtitle {
                font-size: 0.9rem;
            }
            .page-banner {
                padding: 40px 0 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .ball-red,
            .ball-blue {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .result-card {
                padding: 16px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .schedule-table {
                font-size: 0.78rem;
            }
            .schedule-table th,
            .schedule-table td {
                padding: 9px 8px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 0.82rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }
        @media (max-width: 420px) {
            .nav-search-wrap {
                max-width: 150px;
            }
            .nav-search-btn {
                display: none;
            }
            .banner-title {
                font-size: 1.3rem;
            }
            .ball-red,
            .ball-blue {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .result-card .balls-row {
                gap: 4px;
            }
            .cta-section {
                padding: 24px 16px;
                border-radius: var(--radius-md);
            }
            .btn-primary,
            .btn-outline-white {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-brand: #d4343e;
            --color-brand-hover: #b21e2b;
            --color-brand-light: #fef2f3;
            --color-gold: #c8963e;
            --color-gold-light: #fdf6ed;
            --color-text: #1a1a1a;
            --color-text-secondary: #4a4a5a;
            --color-muted: #6b7280;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f3;
            --color-bg: #f8f9fb;
            --color-card: #ffffff;
            --color-deep: #1a1a2e;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 2px 8px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.10), 0 8px 28px rgba(0, 0, 0, 0.06);
            --shadow-btn: 0 2px 8px rgba(212, 52, 62, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --nav-height: 64px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
            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);
        }

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-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;
            gap: 20px;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #d4343e 0%, #b21e2b 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(212, 52, 62, 0.3);
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1a1a1a;
            letter-spacing: -0.3px;
            white-space: nowrap;
            line-height: 1;
        }

        .logo-text span {
            color: #d4343e;
        }

        .nav-search-wrap {
            flex: 1;
            max-width: 380px;
            min-width: 200px;
            position: relative;
        }

        .nav-search-wrap input {
            width: 100%;
            height: 42px;
            border: 2px solid var(--color-border);
            border-radius: 22px;
            padding: 0 44px 0 18px;
            font-size: 0.92rem;
            background: #f9fafb;
            color: var(--color-text);
            transition: all var(--transition-base);
        }

        .nav-search-wrap input:focus {
            border-color: #d4343e;
            background: #fff;
            box-shadow: 0 0 0 4px rgba(212, 52, 62, 0.07);
            outline: none;
        }

        .nav-search-wrap input::placeholder {
            color: #9ca3af;
        }

        .nav-search-icon {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 34px;
            height: 34px;
            background: #d4343e;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            pointer-events: none;
            transition: background var(--transition-fast);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #4a4a5a;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: #d4343e;
            background: #fef2f3;
        }

        .nav-links a.active-nav {
            color: #fff;
            background: #d4343e;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
        }

        .nav-links a.active-nav:hover {
            background: #b21e2b;
            color: #fff;
        }

        .nav-badge {
            display: inline-block;
            background: #fbbf24;
            color: #7c2d12;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 1px 6px;
            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-btn {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: #1a1a1a;
            padding: 6px;
            cursor: pointer;
            line-height: 1;
            flex-shrink: 0;
        }

        /* ===== 内页Banner ===== */
        .page-banner {
            position: relative;
            padding: 60px 0;
            background: linear-gradient(150deg, #1a1a2e 0%, #1f1f38 30%, #1a1a2e 60%, #151530 100%);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 52, 62, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(200, 150, 62, 0.10) 0%, transparent 55%);
            z-index: 0;
        }

        .page-banner-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.13);
            color: #fbbf24;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .page-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            margin: 0;
            line-height: 1.7;
            max-width: 520px;
            margin: 0 auto;
        }

        /* ===== 资讯分类标签 ===== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            padding: 8px 0;
        }

        .filter-tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            color: #4a4a5a;
            background: #fff;
            border: 1.5px solid var(--color-border);
            transition: all var(--transition-fast);
            white-space: nowrap;
            user-select: none;
        }

        .filter-tag:hover {
            border-color: #d4343e;
            color: #d4343e;
            background: #fef2f3;
        }
        .filter-tag.active-tag {
            background: #d4343e;
            color: #fff;
            border-color: #d4343e;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
        }

        /* ===== 资讯卡片 ===== */
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid transparent;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #fde3e5;
        }
        .news-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: #e5e7eb;
        }
        .news-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: #9ca3af;
            margin-bottom: 8px;
        }
        .news-card-meta .meta-cat {
            color: #d4343e;
            font-weight: 600;
            background: #fef2f3;
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 0.74rem;
        }
        .news-card-title {
            font-size: 1.06rem;
            font-weight: 700;
            color: #1a1a1a;
            margin: 0 0 8px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-excerpt {
            font-size: 0.88rem;
            color: #6b7280;
            line-height: 1.6;
            margin: 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-readmore {
            margin-top: 12px;
            font-size: 0.84rem;
            font-weight: 600;
            color: #d4343e;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .news-card-readmore:hover {
            gap: 8px;
            color: #b21e2b;
        }

        /* ===== 精选推荐 ===== */
        .featured-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            border-left: 4px solid #d4343e;
            transition: all var(--transition-base);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            border-left-color: #c8963e;
        }
        .featured-card .fc-tag {
            display: inline-block;
            background: #fef2f3;
            color: #d4343e;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 10px;
            margin-bottom: 10px;
            letter-spacing: 0.4px;
        }
        .featured-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: #1a1a1a;
            line-height: 1.4;
        }
        .featured-card p {
            font-size: 0.86rem;
            color: #6b7280;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #1f1f38 50%, #1a1a2e 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 40% 50%, rgba(212, 52, 62, 0.22) 0%, transparent 55%);
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 8px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 20px;
            font-size: 0.95rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #fbcbd1;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.98rem;
            color: #1a1a1a;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            background: #fafbfc;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fef2f3;
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: #d4343e;
            background: #fef2f3;
        }
        .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            color: #9ca3af;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: #d4343e;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1a2e;
            color: #c5c5d4;
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 10px;
        }
        .footer-brand p {
            font-size: 0.86rem;
            line-height: 1.7;
            margin: 0;
            color: #a0a0b4;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 12px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 7px;
        }
        .footer-links ul li a {
            color: #a0a0b4;
            font-size: 0.86rem;
            transition: color var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #7a7a90;
        }
        .footer-bottom a {
            color: #a0a0b4;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1100px) {
            .nav-links a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
            .nav-search-wrap {
                max-width: 260px;
            }
            .logo-text {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 920px) {
            .header-inner {
                gap: 12px;
            }
            .nav-search-wrap {
                max-width: 200px;
                min-width: 140px;
            }
            .nav-links a {
                padding: 6px 8px;
                font-size: 0.78rem;
                border-radius: 16px;
            }
            .nav-links {
                gap: 2px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner {
                padding: 44px 0;
                min-height: 220px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 16px;
                gap: 2px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
                border-bottom: 2px solid #f0f1f3;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 10px 14px;
                font-size: 0.9rem;
                border-radius: 10px;
            }
            .nav-search-wrap {
                max-width: 180px;
                min-width: 120px;
            }
            .nav-search-wrap input {
                height: 38px;
                font-size: 0.82rem;
                padding: 0 38px 0 12px;
            }
            .nav-search-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
                right: 4px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .logo-text {
                font-size: 1rem;
            }
            .page-banner h1 {
                font-size: 1.65rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .page-banner {
                padding: 36px 0;
                min-height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .filter-tags {
                gap: 7px;
            }
            .filter-tag {
                padding: 6px 13px;
                font-size: 0.8rem;
            }
            .cta-section {
                padding: 30px 20px;
            }
            .cta-section h2 {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 8px;
                padding: 0 10px;
            }
            .nav-search-wrap {
                max-width: 130px;
                min-width: 100px;
            }
            .nav-search-wrap input {
                font-size: 0.76rem;
                height: 34px;
                border-radius: 17px;
                padding: 0 32px 0 10px;
            }
            .nav-search-icon {
                width: 24px;
                height: 24px;
                font-size: 11px;
                right: 3px;
            }
            .logo-text {
                font-size: 0.9rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
                border-radius: 7px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-desc {
                font-size: 0.82rem;
            }
            .page-banner {
                padding: 28px 0;
                min-height: 170px;
            }
            .news-card-body {
                padding: 14px 14px 16px;
            }
            .news-card-title {
                font-size: 0.95rem;
            }
            .news-card-excerpt {
                font-size: 0.8rem;
            }
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .cta-section {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.15rem;
            }
            .faq-question {
                padding: 12px 14px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 14px 14px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-brand: #c41230;
            --color-brand-hover: #a30e25;
            --color-dark: #1a1a2e;
            --color-body: #2a2a3a;
            --color-muted: #666680;
            --color-light-muted: #aeaebf;
            --color-bg: #f8f9fb;
            --color-white: #ffffff;
            --color-border: #e8e8ed;
            --color-gold: #d4a853;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.09);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --nav-height: 64px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 1rem;
            flex-wrap: nowrap;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-dark);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.01em;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #c41230 0%, #e84545 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--color-brand);
        }

        /* 搜索框 - 导航视觉中心 */
        .nav-search-wrapper {
            flex: 1;
            max-width: 420px;
            min-width: 180px;
            position: relative;
        }
        .nav-search-input {
            width: 100%;
            height: 42px;
            border: 2px solid var(--color-border);
            border-radius: 999px;
            padding: 0 2.75rem 0 1.1rem;
            font-size: 0.9rem;
            color: var(--color-body);
            background: #f9fafb;
            transition: all var(--transition-base);
            outline: none;
        }
        .nav-search-input:focus {
            border-color: var(--color-brand);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(196, 18, 48, 0.07);
        }
        .nav-search-input::placeholder {
            color: var(--color-light-muted);
        }
        .nav-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: none;
            background: var(--color-brand);
            color: #fff;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .nav-search-btn:hover {
            background: var(--color-brand-hover);
            box-shadow: var(--shadow-btn);
        }

        /* 导航链接 */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            flex-shrink: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.45rem 0.85rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-brand);
            background: #fef2f2;
        }
        .nav-links a.active-nav {
            color: #fff;
            background: var(--color-brand);
            font-weight: 600;
            box-shadow: 0 1px 6px rgba(196, 18, 48, 0.3);
        }
        .nav-links a.active-nav:hover {
            background: var(--color-brand-hover);
            color: #fff;
        }
        .nav-badge {
            font-size: 0.65rem;
            background: #fff;
            color: #c41230;
            padding: 0.12em 0.45em;
            border-radius: 999px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0.02em;
        }
        a.active-nav .nav-badge {
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-dark);
            padding: 0.35rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }
        .mobile-menu-btn:hover {
            color: var(--color-brand);
            background: #fef2f2;
        }

        /* 移动端导航抽屉 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 1001;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            overflow-y: auto;
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
            padding: 1.5rem;
        }
        .mobile-nav-panel.open {
            transform: translateX(0);
        }
        .mobile-nav-panel .mobile-nav-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-muted);
            cursor: pointer;
            padding: 0.25rem;
            margin-bottom: 1.25rem;
            display: block;
            margin-left: auto;
            transition: color var(--transition-fast);
        }
        .mobile-nav-panel .mobile-nav-close:hover {
            color: var(--color-brand);
        }
        .mobile-nav-panel a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-body);
            transition: all var(--transition-fast);
            margin-bottom: 0.2rem;
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active-nav {
            background: #fef2f2;
            color: var(--color-brand);
        }
        .mobile-nav-panel a.active-nav {
            font-weight: 600;
            background: #fde3e3;
        }
        .mobile-nav-panel .mobile-search-wrap {
            margin-bottom: 1rem;
            position: relative;
        }
        .mobile-nav-panel .mobile-search-wrap input {
            width: 100%;
            height: 40px;
            border: 2px solid var(--color-border);
            border-radius: 999px;
            padding: 0 2.5rem 0 1rem;
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .mobile-nav-panel .mobile-search-wrap input:focus {
            border-color: var(--color-brand);
        }
        .mobile-nav-panel .mobile-search-wrap button {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: none;
            background: var(--color-brand);
            color: #fff;
            font-size: 0.75rem;
            cursor: pointer;
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .nav-search-wrapper {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                gap: 0.75rem;
            }
        }
        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
            .mobile-nav-overlay,
            .mobile-nav-panel {
                display: none;
            }
        }
        @media (max-width: 640px) {
            .header-logo {
                font-size: 1.15rem;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            :root {
                --nav-height: 56px;
            }
        }

        /* ===== 内页 Banner ===== */
        .inner-banner {
            position: relative;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 300px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.55) 50%, rgba(26, 26, 46, 0.78) 100%);
            z-index: 1;
        }
        .inner-banner-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
            width: 100%;
        }
        .inner-banner-content .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0.75rem;
            flex-wrap: wrap;
        }
        .inner-banner-content .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .inner-banner-content .breadcrumb a:hover {
            color: #fff;
        }
        .inner-banner-content .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.5);
        }
        .inner-banner-content h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.6rem 0;
            letter-spacing: -0.01em;
            line-height: 1.25;
        }
        .inner-banner-content .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .inner-banner {
                min-height: 220px;
            }
            .inner-banner-content h1 {
                font-size: 1.7rem;
            }
            .inner-banner-content .banner-subtitle {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .inner-banner {
                min-height: 190px;
            }
            .inner-banner-content h1 {
                font-size: 1.4rem;
            }
            .inner-banner-content .banner-subtitle {
                font-size: 0.85rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 3.5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-dark);
            text-align: center;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-muted);
            text-align: center;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.85rem;
                margin-bottom: 1.75rem;
            }
        }

        /* ===== 卡片组件 ===== */
        .card-base {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            overflow: hidden;
            border: 1px solid transparent;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #f0e0e0;
            transform: translateY(-2px);
        }
        .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0f0f5;
        }
        .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-base:hover .card-image-wrap img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 1.25rem 1.25rem 1.4rem;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.2em 0.65em;
            border-radius: 999px;
            background: #fef2f2;
            color: #c41230;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .card-title-sm {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-dark);
            margin: 0 0 0.4rem 0;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.85rem;
            color: var(--color-muted);
            line-height: 1.55;
            margin: 0;
        }

        /* ===== 特色卡片 ===== */
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid transparent;
            transition: all var(--transition-base);
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #f0e0e0;
        }
        .feature-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: #fef2f2;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: #c41230;
            transition: all var(--transition-base);
        }
        .feature-card:hover .feature-icon-wrap {
            background: #c41230;
            color: #fff;
        }
        .feature-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-dark);
            margin: 0 0 0.4rem 0;
        }
        .feature-card p {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.55;
        }

        /* ===== 数据统计卡片 ===== */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.25rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border-left: 4px solid #c41230;
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: #c41230;
            line-height: 1;
            margin-bottom: 0.35rem;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-muted);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.1rem 1.25rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-dark);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: #c41230;
        }
        .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            font-size: 0.8rem;
            color: var(--color-muted);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: #c41230;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer-inner {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.87rem;
            color: var(--color-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #2a1a22 50%, #1a1a2e 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(196, 18, 48, 0.15);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 0.6rem;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 1.5rem;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            display: inline-block;
            padding: 0.75rem 2rem;
            background: #c41230;
            color: #fff;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(196, 18, 48, 0.35);
            border: none;
            cursor: pointer;
        }
        .btn-cta:hover {
            background: #e84545;
            box-shadow: 0 6px 24px rgba(196, 18, 48, 0.5);
            transform: translateY(-1px);
        }

        /* ===== 使用指南步骤 ===== */
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--color-border);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #c41230;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-dark);
            margin: 0 0 0.25rem 0;
        }
        .step-content p {
            font-size: 0.87rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1a1a2e;
            color: #d1d1db;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 0.6rem;
        }
        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.65;
            color: #aeaebf;
            margin: 0;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0 0 0.6rem;
            letter-spacing: 0.02em;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links ul li {
            margin-bottom: 0.35rem;
        }
        .footer-links ul li a {
            color: #aeaebf;
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.78rem;
            color: #85859e;
        }
        .footer-bottom a {
            color: #aeaebf;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 按钮通用 ===== */
        .btn-outline {
            display: inline-block;
            padding: 0.55rem 1.35rem;
            border: 2px solid #c41230;
            color: #c41230;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-base);
            background: transparent;
            cursor: pointer;
            text-align: center;
        }
        .btn-outline:hover {
            background: #c41230;
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

/* roulang page: category5 */
:root {
            --color-primary: #c41e3a;
            --color-primary-dark: #a01830;
            --color-primary-light: #e8405a;
            --color-secondary: #1a1a2e;
            --color-secondary-light: #252542;
            --color-accent: #f0a500;
            --color-accent-dark: #d49400;
            --color-bg-page: #f9f9fb;
            --color-text-main: #1a1a2e;
            --color-text-soft: #5a5a72;
            --color-text-muted: #888899;
            --color-border-soft: #e2e2e8;
            --color-card-bg: #ffffff;
            --radius-xl: 1rem;
            --radius-2xl: 1.25rem;
            --radius-3xl: 1.5rem;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --transition-base: 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-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--color-text-main);
            background-color: var(--color-bg-page);
            min-height: 100vh;
            font-size: 16px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* 导航 */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border-soft);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.97);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-main);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .search-box {
            flex: 1;
            max-width: 380px;
            min-width: 180px;
            position: relative;
        }

        .search-box input {
            width: 100%;
            padding: 0.65rem 1rem 0.65rem 2.75rem;
            border: 2px solid var(--color-border-soft);
            border-radius: 999px;
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition-base);
            background: #f9f9fb;
            color: var(--color-text-main);
        }

        .search-box input:focus {
            border-color: var(--color-primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.08);
        }

        .search-box input::placeholder {
            color: var(--color-text-muted);
        }

        .search-box .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-muted);
            font-size: 0.95rem;
            pointer-events: none;
            transition: color var(--transition-base);
        }

        .search-box input:focus~.search-icon,
        .search-box input:focus+.search-icon {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0.85rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: #fef2f4;
        }

        .nav-links a.active-nav {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(196, 30, 58, 0.3);
        }

        .nav-links a.active-nav:hover {
            color: #fff;
            background: var(--color-primary-dark);
        }

        .nav-badge {
            background: #ff4757;
            color: #fff;
            font-size: 0.65rem;
            padding: 0.15rem 0.4rem;
            border-radius: 999px;
            font-weight: 600;
            line-height: 1;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.15);
            }
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text-main);
            padding: 0.4rem;
            cursor: pointer;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 0.75rem;
            }
            .search-box {
                order: 3;
                max-width: 100%;
                flex: 1 1 100%;
            }
            .nav-links {
                order: 2;
                flex: 1 1 auto;
                justify-content: flex-end;
            }
            .logo-area {
                order: 1;
            }
            .nav-links a {
                padding: 0.4rem 0.65rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.4rem;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
                border-bottom: 2px solid var(--color-border-soft);
                z-index: 999;
                border-radius: 0 0 1rem 1rem;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 0.7rem 1rem;
                border-radius: 0.6rem;
                font-size: 0.95rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .search-box {
                order: 2;
                flex: 1;
                max-width: none;
                min-width: 0;
            }
            .header-inner {
                flex-wrap: nowrap;
                gap: 0.5rem;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 0.95rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
                border-radius: 8px;
            }
            .search-box input {
                padding: 0.55rem 0.8rem 0.55rem 2.3rem;
                font-size: 0.8rem;
            }
            .search-box .search-icon {
                left: 0.7rem;
                font-size: 0.8rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-secondary);
            color: #c5c5d8;
            padding: 3rem 0 0;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #a0a0b8;
            margin: 0;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 0.45rem;
        }
        .footer-links ul li a {
            color: #a0a0b8;
            font-size: 0.88rem;
            transition: color 0.25s;
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            padding: 1.5rem 0;
            font-size: 0.82rem;
            color: #7a7a90;
        }
        .footer-bottom a {
            color: #b0b0c8;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .site-footer {
                padding: 2rem 0 0;
                margin-top: 2rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .footer-brand h3 {
                font-size: 1.15rem;
            }
        }

        /* 板块通用 */
        .section-spacing {
            padding: 3.5rem 0;
        }
        @media (max-width: 768px) {
            .section-spacing {
                padding: 2.2rem 0;
            }
        }
        @media (max-width: 520px) {
            .section-spacing {
                padding: 1.6rem 0;
            }
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-main);
            text-align: center;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-text-soft);
            font-size: 0.95rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.85rem;
                margin-bottom: 1.8rem;
            }
        }

        /* Banner */
        .page-banner {
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.7) 100%), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 5rem 0;
            text-align: center;
            color: #fff;
            position: relative;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            letter-spacing: -0.03em;
        }
        .page-banner p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 650px;
            margin: 0 auto 1.5rem;
            line-height: 1.8;
        }
        .page-banner .banner-meta {
            display: inline-flex;
            gap: 2rem;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .page-banner .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 3rem 0;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .page-banner .banner-meta {
                gap: 1rem;
                flex-wrap: wrap;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                padding: 2rem 0;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner p {
                font-size: 0.82rem;
                max-width: 95%;
            }
        }

        /* 玩法卡片网格 */
        .play-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 1024px) {
            .play-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .play-card-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        .play-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .play-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-border-soft);
        }
        .play-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .play-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .play-card:hover .card-img img {
            transform: scale(1.06);
        }
        .play-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
        }
        .play-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 0.4rem;
        }
        .play-card .card-body p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin-bottom: 0.8rem;
        }
        .play-card .card-tag {
            display: inline-block;
            background: #fef2f4;
            color: var(--color-primary);
            font-size: 0.75rem;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .play-card .card-img {
                height: 140px;
            }
            .play-card .card-body h3 {
                font-size: 1.05rem;
            }
        }

        /* 详细玩法区块 */
        .detail-play-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-3xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-card);
            margin-bottom: 2rem;
        }
        .detail-play-block.reverse {
            direction: rtl;
        }
        .detail-play-block.reverse .detail-content {
            direction: ltr;
        }
        .detail-play-block .detail-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 0.8rem;
        }
        .detail-play-block .detail-content p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin-bottom: 1rem;
        }
        .detail-play-block .detail-content .rule-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1rem;
        }
        .detail-play-block .detail-content .rule-list li {
            padding: 0.4rem 0;
            padding-left: 1.6rem;
            position: relative;
            font-size: 0.9rem;
            color: var(--color-text-soft);
        }
        .detail-play-block .detail-content .rule-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.7rem;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
        }
        .detail-play-block .detail-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .detail-play-block .detail-img img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            display: block;
        }
        @media (max-width: 768px) {
            .detail-play-block {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                padding: 1.5rem;
            }
            .detail-play-block .detail-img img {
                height: 200px;
            }
            .detail-play-block.reverse {
                direction: ltr;
            }
            .detail-play-block .detail-content h3 {
                font-size: 1.25rem;
            }
        }
        @media (max-width: 520px) {
            .detail-play-block {
                padding: 1.2rem;
                border-radius: var(--radius-xl);
            }
            .detail-play-block .detail-img img {
                height: 160px;
            }
        }

        /* 新手步骤 */
        .step-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            counter-reset: step;
        }
        .step-item {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-base);
            border: 2px solid transparent;
        }
        .step-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #fef2f4;
            transform: translateY(-3px);
        }
        .step-item .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 0.5rem;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }
        @media (max-width: 1024px) {
            .step-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .step-list {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .step-item {
                padding: 1.5rem 1.2rem;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-xl);
            margin-bottom: 0.8rem;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--color-border-soft);
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: #e0c0c6;
        }
        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text-main);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            background: #fff;
            user-select: none;
            transition: background var(--transition-base);
        }
        .faq-question:hover {
            background: #fefefe;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f5f7;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-soft);
            transition: all var(--transition-base);
            font-size: 0.75rem;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem;
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.9rem;
            }
            .faq-answer {
                font-size: 0.82rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 1.2rem 1rem;
            }
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-3xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            box-shadow: 0 10px 40px rgba(196, 30, 58, 0.3);
        }
        .cta-block h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .cta-block p {
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 1.5rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .btn-cta-white {
            display: inline-block;
            background: #fff;
            color: var(--color-primary);
            padding: 0.75rem 2rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
            background: #fffefb;
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 2rem 1.5rem;
                border-radius: var(--radius-2xl);
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category6 */
:root {
            --brand-500: #f97316;
            --brand-600: #ea580c;
            --brand-700: #c2410c;
            --accent-500: #3b82f6;
            --accent-600: #2563eb;
            --neutral-50: #fafafa;
            --neutral-100: #f5f5f5;
            --neutral-200: #e5e5e5;
            --neutral-300: #d4d4d4;
            --neutral-400: #a3a3a3;
            --neutral-500: #737373;
            --neutral-600: #525252;
            --neutral-700: #404040;
            --neutral-800: #262626;
            --neutral-900: #171717;
            --radius-md: 0.625rem;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--neutral-800);
            background-color: #fcfcfc;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-600);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== 容器 ===== */
        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #f0f0f0;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.09);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 14px;
            padding-bottom: 14px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #f97316, #ea580c);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 1px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--neutral-900);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--brand-600);
        }
        .search-box-wrap {
            flex: 1 1 280px;
            max-width: 420px;
            position: relative;
            min-width: 200px;
        }
        .search-box-wrap input {
            width: 100%;
            padding: 11px 44px 11px 18px;
            border-radius: 28px;
            border: 2px solid #e8e8e8;
            font-size: 0.95rem;
            background: #f9fafb;
            color: var(--neutral-800);
            outline: none;
            transition: all var(--transition-fast);
        }
        .search-box-wrap input:focus {
            border-color: var(--brand-400);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.08);
        }
        .search-box-wrap input::placeholder {
            color: #b0b0b0;
        }
        .search-icon-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--brand-500);
            border: none;
            color: #fff;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
        }
        .search-icon-btn:hover {
            background: var(--brand-700);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 9px 16px;
            border-radius: 22px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--neutral-700);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            background: #fdf3eb;
            color: var(--brand-600);
        }
        .nav-links a.active-nav {
            background: var(--brand-500);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(249, 115, 22, 0.3);
        }
        .nav-links a.active-nav:hover {
            background: var(--brand-600);
            color: #fff;
        }
        .nav-badge {
            font-size: 0.7rem;
            background: #ef4444;
            color: #fff;
            padding: 2px 7px;
            border-radius: 10px;
            font-weight: 600;
            letter-spacing: 0.3px;
            animation: pulse-badge 2.2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.65;
            }
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--neutral-700);
            padding: 6px 10px;
            border-radius: 8px;
            cursor: pointer;
        }
        .mobile-menu-toggle:hover {
            background: #f5f5f5;
        }

        /* ===== 内页 Banner ===== */
        .inner-banner {
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 35%, #0f3460 70%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
            padding: 64px 0 60px;
            color: #fff;
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.13;
            z-index: 0;
        }
        .inner-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, #fcfcfc 0%, transparent 100%);
            z-index: 1;
        }
        .inner-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .inner-banner-content .banner-label {
            display: inline-block;
            background: rgba(249, 115, 22, 0.85);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.8px;
            margin-bottom: 18px;
        }
        .inner-banner-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin: 0 0 14px;
            line-height: 1.3;
        }
        .inner-banner-content .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--brand-600);
            background: #fff7ed;
            padding: 5px 16px;
            border-radius: 18px;
            letter-spacing: 0.6px;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--neutral-900);
            margin: 0 0 10px;
            letter-spacing: 0.3px;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--neutral-500);
            max-width: 550px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== 彩种卡片 ===== */
        .lottery-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid #f0f0f0;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            overflow: hidden;
        }
        .lottery-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
            border-color: #fdd7b5;
        }
        .lottery-card .card-icon-row {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .lottery-card .card-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .lottery-card .card-icon.double-ball {
            background: linear-gradient(135deg, #e53e3e, #c53030);
        }
        .lottery-card .card-icon.big-lotto {
            background: linear-gradient(135deg, #3182ce, #2b6cb0);
        }
        .lottery-card .card-icon.fc3d {
            background: linear-gradient(135deg, #38a169, #2f855a);
        }
        .lottery-card .card-icon.pl3 {
            background: linear-gradient(135deg, #805ad5, #6b46c1);
        }
        .lottery-card .card-icon.pl5 {
            background: linear-gradient(135deg, #d69e2e, #b7791f);
        }
        .lottery-card .card-icon.seven-star {
            background: linear-gradient(135deg, #e53e8b, #d61f69);
        }
        .lottery-card .card-icon.seven-happy {
            background: linear-gradient(135deg, #00b5d8, #0987a0);
        }
        .lottery-card .card-icon.kl8 {
            background: linear-gradient(135deg, #dd6b20, #c05621);
        }
        .lottery-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--neutral-900);
            margin: 0;
        }
        .lottery-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--neutral-500);
        }
        .lottery-card .card-meta span {
            background: #f9fafb;
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 500;
            border: 1px solid #eee;
        }
        .lottery-card .card-desc {
            font-size: 0.93rem;
            color: var(--neutral-600);
            line-height: 1.65;
            margin: 0;
        }
        .lottery-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--brand-600);
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
            margin-top: auto;
        }
        .lottery-card .card-link:hover {
            gap: 10px;
            color: var(--brand-700);
        }
        .lottery-card .hot-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: #ef4444;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 10px;
            letter-spacing: 0.4px;
        }

        /* ===== 对比表 ===== */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            background: #fff;
            border: 1px solid #f0f0f0;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #f0f0f0;
            font-size: 0.93rem;
        }
        .compare-table th {
            background: #fdf8f3;
            font-weight: 700;
            color: var(--neutral-800);
            white-space: nowrap;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
        }
        .compare-table tbody tr:hover {
            background: #fefdfb;
        }
        .compare-table .highlight-row {
            background: #fffdf7;
        }
        .compare-table .badge-cell {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .badge-hot {
            background: #fef2f2;
            color: #dc2626;
        }
        .badge-recommend {
            background: #fff7ed;
            color: #ea580c;
        }
        .badge-popular {
            background: #eff6ff;
            color: #2563eb;
        }

        /* ===== 时间表卡片 ===== */
        .schedule-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #f0f0f0;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-fast);
        }
        .schedule-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #fdd7b5;
        }
        .schedule-card .day-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .schedule-card .day-dot.active-day {
            background: #22c55e;
            box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
        }
        .schedule-card .day-dot.inactive-day {
            background: #d4d4d4;
        }
        .schedule-card .schedule-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--neutral-900);
            margin: 0 0 2px;
        }
        .schedule-card .schedule-info p {
            font-size: 0.84rem;
            color: var(--neutral-500);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid #f0f0f0;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #e8e8e8;
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--neutral-800);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fdf8f3;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            color: var(--neutral-600);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--brand-500);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            margin: 0;
            color: var(--neutral-600);
            font-size: 0.93rem;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            border-radius: var(--radius-2xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px;
        }
        .cta-block p {
            font-size: 1.05rem;
            opacity: 0.85;
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: var(--brand-500);
            color: #fff;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }
        .btn-primary:hover {
            background: var(--brand-600);
            box-shadow: 0 6px 22px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: transparent;
            color: var(--brand-600);
            border: 2px solid var(--brand-500);
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .btn-outline:hover {
            background: var(--brand-500);
            color: #fff;
            border-color: var(--brand-500);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1a1a;
            color: #d4d4d4;
            padding: 52px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid #333;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #a0a0a0;
            margin: 0;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 14px;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a {
            color: #a0a0a0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            padding: 22px 0 28px;
            font-size: 0.82rem;
            color: #777;
        }
        .footer-bottom a {
            color: #999;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 12px;
            }
            .search-box-wrap {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                min-width: 100%;
            }
            .nav-links {
                order: 2;
                flex: 1 1 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .inner-banner-content h1 {
                font-size: 2.1rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 2px;
                padding-top: 8px;
                order: 4;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                border-radius: 10px;
                padding: 12px 16px;
            }
            .search-box-wrap {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                min-width: 100%;
                margin-top: 4px;
            }
            .header-inner {
                gap: 10px;
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .inner-banner {
                padding: 44px 0 40px;
            }
            .inner-banner-content h1 {
                font-size: 1.7rem;
            }
            .inner-banner-content .banner-desc {
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-block {
                padding: 34px 22px;
            }
            .cta-block h3 {
                font-size: 1.4rem;
            }
            .lottery-card {
                padding: 20px 16px;
            }
            .compare-table-wrap {
                border-radius: var(--radius-lg);
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .inner-banner-content h1 {
                font-size: 1.4rem;
            }
            .inner-banner-content .banner-desc {
                font-size: 0.87rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .lottery-card .card-icon {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
                border-radius: var(--radius-md);
            }
            .lottery-card h3 {
                font-size: 1.05rem;
            }
            .schedule-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
        }