/* roulang page: index */
:root {
            --primary: #C8102E;
            --primary-dark: #A50F24;
            --primary-light: #E84A5C;
            --accent: #FFB81C;
            --accent-light: #FFD166;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #212529;
            --text-muted: #6C757D;
            --text-light: #8A8F94;
            --border-color: #E9ECEF;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            transition: var(--transition);
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 600;
            line-height: 1.3;
        }

        /* 导航栏 */
        .navbar-custom {
            background-color: var(--bg-white);
            box-shadow: 0 2px 16px rgba(0,0,0,0.05);
            padding: 0.6rem 0;
        }
        .navbar-brand-custom {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary) !important;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            letter-spacing: 0.5px;
        }
        .navbar-brand-custom:hover {
            color: var(--primary-dark) !important;
            text-decoration: none;
        }
        .navbar-brand-custom i {
            font-size: 1.8rem;
        }
        .nav-link-custom {
            font-weight: 500;
            color: var(--text-dark) !important;
            margin: 0 0.4rem;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-link-custom:hover,
        .nav-link-custom.active {
            background-color: rgba(200, 16, 46, 0.08);
            color: var(--primary) !important;
            text-decoration: none;
        }
        .search-input {
            border-radius: 30px;
            border: 1px solid var(--border-color);
            padding: 0.5rem 1.2rem;
            font-size: 0.95rem;
            transition: var(--transition);
            width: 200px;
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
        }
        .btn-cta-nav {
            background-color: var(--primary);
            color: white;
            border-radius: 30px;
            padding: 0.5rem 1.6rem;
            font-weight: 600;
            border: none;
            font-size: 0.95rem;
        }
        .btn-cta-nav:hover {
            background-color: var(--primary-dark);
            color: white;
            box-shadow: 0 4px 12px rgba(200,16,46,0.3);
        }
        @media (max-width: 992px) {
            .navbar-nav {
                background: white;
                padding: 1rem;
                border-radius: var(--radius);
                margin-top: 0.5rem;
                box-shadow: var(--shadow);
            }
            .search-input {
                width: 100%;
                margin-top: 0.5rem;
            }
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.35) 100%), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: white;
            padding: 6rem 0 5rem;
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: 2px;
            margin-bottom: 1rem;
        }
        .hero-subtitle {
            font-size: 1.25rem;
            opacity: 0.95;
            margin-bottom: 1.5rem;
        }
        .hero-desc {
            font-size: 1.05rem;
            opacity: 0.9;
            max-width: 750px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }
        .btn-hero {
            border-radius: 40px;
            padding: 0.75rem 2.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            margin: 0 0.5rem;
            transition: var(--transition);
        }
        .btn-primary-hero {
            background-color: white;
            color: var(--primary);
            border: none;
        }
        .btn-primary-hero:hover {
            background-color: #f0f0f0;
            color: var(--primary-dark);
        }
        .btn-outline-hero {
            border: 2px solid white;
            color: white;
            background: transparent;
        }
        .btn-outline-hero:hover {
            background-color: white;
            color: var(--primary);
        }

        /* 统计卡片 */
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 1.8rem 1.5rem;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-muted);
            margin-top: 0.5rem;
            font-weight: 500;
        }

        /* 通用板块标题 */
        .section-title {
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 2.5rem;
        }

        /* 优势卡片 */
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
        }
        .feature-title {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
        }

        /* 分类卡片 */
        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            height: 100%;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .category-body {
            padding: 1.5rem;
        }
        .category-title {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }
        .category-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 品牌故事 */
        .brand-story-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            object-fit: cover;
            width: 100%;
            height: auto;
        }
        .story-text {
            font-size: 1.05rem;
            color: var(--text-dark);
            line-height: 1.9;
        }

        /* 用户口碑 */
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            height: 100%;
            position: relative;
        }
        .testimonial-text {
            font-style: italic;
            color: var(--text-dark);
            margin-bottom: 1.2rem;
            font-size: 1rem;
        }
        .testimonial-author {
            font-weight: 600;
        }

        /* 新闻资讯 */
        .news-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.2rem 0;
            transition: var(--transition);
        }
        .news-item:hover {
            background-color: #fcfcfc;
        }
        .news-date {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
        }
        .news-title {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
        }
        .news-excerpt {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .btn-readmore {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0;
            border: none;
            background: none;
        }
        .btn-readmore:hover {
            text-decoration: underline;
            color: var(--primary-dark);
        }

        /* FAQ */
        .accordion-button:not(.collapsed) {
            background-color: rgba(200,16,46,0.05);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200,16,46,0.15);
            border-color: var(--primary);
        }
        .accordion-item {
            border: 1px solid var(--border-color);
            margin-bottom: 0.8rem;
            border-radius: var(--radius) !important;
            overflow: hidden;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #A50F24 100%);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2rem;
            color: white;
            text-align: center;
        }
        .btn-cta {
            background-color: white;
            color: var(--primary);
            border-radius: 40px;
            font-weight: 700;
            padding: 0.8rem 2.8rem;
            font-size: 1.1rem;
            border: none;
            transition: var(--transition);
        }
        .btn-cta:hover {
            background-color: #f0f0f0;
            color: var(--primary-dark);
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }

        /* Footer */
        .footer-custom {
            background-color: #1E1E1E;
            color: #cccccc;
            padding: 3rem 0 2rem;
        }
        .footer-custom a {
            color: #cccccc;
        }
        .footer-custom a:hover {
            color: white;
        }
        .footer-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: white !important;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.65rem;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .btn-hero {
                display: block;
                margin: 0.5rem auto;
                width: 80%;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a3c5e;
            --primary-dark: #0f2740;
            --primary-light: #2a5a8a;
            --accent: #e85d3a;
            --accent-hover: #d14a28;
            --accent-light: #fdf0ec;
            --gold: #c8963e;
            --gold-light: #fdf6ec;
            --bg: #f8f9fb;
            --bg-white: #ffffff;
            --bg-dark: #111c2a;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-secondary: #5a6070;
            --text-muted: #88909c;
            --text-light: #b0b8c2;
            --border: #e2e6ed;
            --border-light: #eef1f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --section-gap: 72px;
            --section-gap-sm: 48px;
            --container-max: 1200px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
        }
        @media (max-width: 1260px) {
            .container {
                max-width: 96%;
            }
        }

        /* ===== 导航栏 ===== */
        .navbar-custom {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: box-shadow var(--transition);
        }
        .navbar-custom.scrolled {
            box-shadow: var(--shadow-md);
        }
        .navbar-brand-custom {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .navbar-brand-custom i {
            color: var(--accent);
            font-size: 1.4rem;
            transition: transform var(--transition);
        }
        .navbar-brand-custom:hover i {
            transform: rotate(-10deg);
        }
        .navbar-brand-custom:hover {
            color: var(--primary-dark) !important;
        }
        .nav-link-custom {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary) !important;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link-custom:hover {
            color: var(--primary) !important;
            background: rgba(26, 60, 94, 0.04);
        }
        .nav-link-custom.active {
            color: var(--accent) !important;
            background: var(--accent-light);
            font-weight: 600;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .search-input {
            border: 1.5px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            font-size: 0.9rem;
            width: 180px;
            outline: none;
            transition: all var(--transition-fast);
            background: var(--bg);
            color: var(--text);
        }
        .search-input:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(26, 60, 94, 0.08);
            width: 210px;
            background: var(--bg-white);
        }
        .search-input::placeholder {
            color: var(--text-muted);
        }
        .btn-cta-nav {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 24px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(232, 93, 58, 0.25);
        }
        .btn-cta-nav:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(232, 93, 58, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-cta-nav:active {
            transform: translateY(0);
        }
        .navbar-toggler {
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            transition: all var(--transition-fast);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(26, 60, 94, 0.1);
            outline: none;
        }
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--bg-white);
                border-radius: var(--radius);
                padding: 16px;
                margin-top: 10px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--border-light);
            }
            .nav-link-custom {
                padding: 10px 16px !important;
                border-radius: var(--radius-sm);
            }
            .nav-link-custom.active::after {
                display: none;
            }
            .search-input {
                width: 100%;
                margin-top: 8px;
            }
            .search-input:focus {
                width: 100%;
            }
            .btn-cta-nav {
                width: 100%;
                margin-top: 6px;
                text-align: center;
            }
            .d-flex.align-items-center.gap-2 {
                flex-direction: column;
                width: 100%;
                gap: 6px !important;
            }
        }

        /* ===== 资讯 Banner ===== */
        .news-banner {
            background: linear-gradient(135deg, rgba(26, 60, 94, 0.88) 0%, rgba(15, 39, 64, 0.94) 100%),
                url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 80px 0 64px;
            position: relative;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .news-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 50%;
            transform: translateX(-50%);
            width: 140px;
            height: 80px;
            background: var(--bg);
            border-radius: 50% 50% 0 0;
            opacity: 0.7;
        }
        .news-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 6px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .news-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .news-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .news-banner .banner-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .news-banner .stat-item {
            text-align: center;
            min-width: 90px;
        }
        .news-banner .stat-num {
            font-size: 2rem;
            font-weight: 700;
            font-family: var(--font-heading);
            color: #fff;
            line-height: 1;
        }
        .news-banner .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .news-banner {
                padding: 56px 0 44px;
            }
            .news-banner h1 {
                font-size: 1.9rem;
            }
            .news-banner .banner-desc {
                font-size: 0.95rem;
            }
            .news-banner .banner-stats {
                gap: 20px;
            }
            .news-banner .stat-num {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .news-banner h1 {
                font-size: 1.5rem;
            }
            .news-banner .banner-stats {
                gap: 14px;
            }
            .news-banner .stat-num {
                font-size: 1.3rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: var(--section-gap-sm) 0;
            }
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            max-width: 560px;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header-center {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 标签栏 ===== */
        .tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            padding: 28px 0 12px;
        }
        .tag-pill {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1.5px solid var(--border);
            background: var(--bg-white);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag-pill:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }
        .tag-pill.active-tag {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(232, 93, 58, 0.3);
        }

        /* ===== 头条资讯卡片 ===== */
        .headline-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .headline-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .headline-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #eef1f5;
        }
        .headline-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .headline-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .headline-card .card-img-wrap .img-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .headline-card .card-body-custom {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .headline-card .card-date {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .headline-card .card-title-link {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .headline-card .card-title-link:hover {
            color: var(--accent);
        }
        .headline-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .headline-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .headline-card .card-meta i {
            font-size: 0.75rem;
            margin-right: 4px;
        }

        /* ===== 侧边栏卡片 ===== */
        .side-news-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 16px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            margin-bottom: 12px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            cursor: pointer;
        }
        .side-news-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
            transform: translateX(3px);
        }
        .side-news-card .side-img {
            width: 80px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #eef1f5;
        }
        .side-news-card .side-info {
            flex: 1;
            min-width: 0;
        }
        .side-news-card .side-title {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }
        .side-news-card:hover .side-title {
            color: var(--accent);
        }
        .side-news-card .side-date {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ===== 通用资讯卡片 ===== */
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .news-card .nc-img-wrap {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #eef1f5;
        }
        .news-card .nc-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .nc-img-wrap img {
            transform: scale(1.05);
        }
        .news-card .nc-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .nc-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            margin-bottom: 10px;
            background: var(--accent-light);
            color: var(--accent);
            width: fit-content;
        }
        .news-card .nc-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .news-card:hover .nc-title {
            color: var(--accent);
        }
        .news-card .nc-excerpt {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .nc-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        /* ===== 深度分析区 ===== */
        .analysis-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .analysis-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--accent);
            border-radius: 5px 0 0 5px;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .analysis-card:hover::before {
            opacity: 1;
        }
        .analysis-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .analysis-card .ac-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--accent);
            font-size: 1.2rem;
        }
        .analysis-card .ac-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .analysis-card .ac-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA 订阅区 ===== */
        .cta-subscribe {
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-subscribe::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-subscribe::before {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-subscribe h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.6rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-subscribe p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 0.95rem;
        }
        .cta-subscribe .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-subscribe .subscribe-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 20px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
        }
        .cta-subscribe .subscribe-input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .cta-subscribe .subscribe-input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
        }
        .btn-subscribe {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 28px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(232, 93, 58, 0.35);
        }
        .btn-subscribe:hover {
            background: #f0704f;
            box-shadow: 0 6px 24px rgba(232, 93, 58, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-subscribe:active {
            transform: translateY(0);
        }

        /* ===== 页脚 ===== */
        .footer-custom {
            background: var(--bg-dark);
            color: #c5cdd6;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .footer-custom .footer-logo {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff !important;
            letter-spacing: 0.02em;
        }
        .footer-custom h5 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 6px;
        }
        .footer-links a {
            color: #aab4bf;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-custom hr {
            border-color: rgba(255, 255, 255, 0.12);
        }
        .footer-custom p {
            margin-bottom: 4px;
        }
        @media (max-width: 768px) {
            .footer-custom {
                padding: 36px 0 20px;
                text-align: center;
            }
            .footer-custom .row>div {
                text-align: center;
            }
            .footer-links {
                display: flex;
                flex-wrap: wrap;
                justify-content: center;
                gap: 10px 18px;
            }
            .footer-links li {
                margin-bottom: 0;
            }
        }

        /* ===== 通用按钮 ===== */
        .btn-outline-accent {
            border: 1.5px solid var(--accent);
            color: var(--accent);
            background: transparent;
            border-radius: 24px;
            padding: 8px 20px;
            font-weight: 500;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }
        .btn-outline-accent:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 3px 12px rgba(232, 93, 58, 0.3);
        }
        .btn-accent-solid {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 24px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(232, 93, 58, 0.25);
        }
        .btn-accent-solid:hover {
            background: var(--accent-hover);
            box-shadow: 0 5px 20px rgba(232, 93, 58, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ===== 间距辅助 ===== */
        .mt-section {
            margin-top: var(--section-gap);
        }
        @media (max-width: 768px) {
            .mt-section {
                margin-top: var(--section-gap-sm);
            }
        }

        /* ===== 骨架加载效果（视觉） ===== */
        .skeleton-pulse {
            animation: skeletonPulse 1.8s ease-in-out infinite;
        }
        @keyframes skeletonPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1a6fb5;
            --color-primary-dark: #155a8f;
            --color-primary-light: #e8f4fd;
            --color-accent: #e8833a;
            --color-accent-dark: #c96e2e;
            --color-accent-light: #fef5ee;
            --color-bg: #f7f9fc;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-navy: #0f2744;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.09), 0 4px 8px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.05);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            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;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== 导航栏 ========== */
        .navbar-custom {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            padding-top: 10px;
            padding-bottom: 10px;
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background-color: rgba(255, 255, 255, 0.97);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .navbar-brand-custom i {
            font-size: 1.5rem;
            color: var(--color-accent);
            transition: transform var(--transition-normal);
        }

        .navbar-brand-custom:hover {
            opacity: 0.85;
        }

        .navbar-brand-custom:hover i {
            transform: rotate(-15deg) scale(1.1);
        }

        .nav-link-custom {
            color: var(--color-text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 15px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link-custom:hover {
            color: var(--color-primary) !important;
            background-color: var(--color-primary-light);
        }

        .nav-link-custom.active {
            color: var(--color-primary) !important;
            background-color: var(--color-primary-light);
            font-weight: 600;
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 2.5px;
            background-color: var(--color-primary);
            border-radius: 2px;
        }

        .search-input {
            border: 1.5px solid var(--color-border);
            border-radius: 24px;
            padding: 8px 16px;
            font-size: 0.9rem;
            width: 180px;
            outline: none;
            transition: all var(--transition-fast);
            background-color: var(--color-bg);
            color: var(--color-text);
        }

        .search-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.08);
            width: 210px;
            background-color: var(--color-white);
        }

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

        .btn-cta-nav {
            background-color: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: 24px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .btn-cta-nav:hover {
            background-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-cta-nav:active {
            transform: translateY(0);
            box-shadow: var(--shadow-xs);
        }

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.15);
            outline: none;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background-color: var(--color-white);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 10px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--color-border-light);
            }

            .nav-link-custom {
                padding: 10px 14px !important;
                border-radius: var(--radius-sm);
            }

            .nav-link-custom.active::after {
                display: none;
            }

            .navbar .d-flex.align-items-center {
                flex-direction: column;
                width: 100%;
                margin-top: 10px;
            }

            .search-input {
                width: 100%;
                margin-bottom: 8px;
            }

            .search-input:focus {
                width: 100%;
            }

            .btn-cta-nav {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== 页面 Banner ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--color-navy) 0%, #1a3a5c 40%, #1a5276 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 70px;
            color: #fff;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 39, 68, 0.75) 0%, rgba(15, 39, 68, 0.85) 100%);
            z-index: 1;
        }

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

        .page-banner .banner-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            font-size: 1.8rem;
            color: var(--color-accent);
            margin-bottom: 18px;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            line-height: 1.75;
        }

        .page-banner .banner-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }

        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 50px 0 45px;
                min-height: 260px;
            }

            .page-banner h1 {
                font-size: 1.8rem;
            }

            .page-banner .banner-subtitle {
                font-size: 1rem;
            }

            .page-banner .banner-icon {
                width: 50px;
                height: 50px;
                font-size: 1.4rem;
            }
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary);
            background-color: var(--color-primary-light);
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 45px 0;
            }

            .section-padding-sm {
                padding: 35px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }
        }

        /* ========== 走势功能特色卡片 ========== */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .feature-card .feature-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            transition: transform var(--transition-normal);
        }

        .feature-card:hover .feature-icon-wrap {
            transform: scale(1.08);
        }

        .feature-card .icon-blue {
            background-color: #e8f4fd;
            color: var(--color-primary);
        }

        .feature-card .icon-orange {
            background-color: #fef5ee;
            color: var(--color-accent);
        }

        .feature-card .icon-green {
            background-color: #ecfdf5;
            color: var(--color-success);
        }

        .feature-card .icon-purple {
            background-color: #f5f3ff;
            color: #7c3aed;
        }

        .feature-card h4 {
            font-size: 1.08rem;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== 彩种走势图卡片 ========== */
        .lottery-trend-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            cursor: pointer;
        }

        .lottery-trend-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
            border-color: var(--color-primary);
        }

        .lottery-trend-card .card-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
            background-color: #e8ecf1;
        }

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

        .lottery-trend-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .lottery-trend-card .card-img-overlay-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.6);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.03em;
        }

        .lottery-trend-card .card-body-custom {
            padding: 18px 20px 20px;
        }

        .lottery-trend-card .card-body-custom h5 {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .lottery-trend-card .card-body-custom .card-meta {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .lottery-trend-card .card-body-custom .card-meta span {
            background: var(--color-bg);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
        }

        .lottery-trend-card .btn-view-trend {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 12px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            padding: 0;
            background: none;
            border: none;
        }

        .lottery-trend-card .btn-view-trend:hover {
            color: var(--color-primary-dark);
            gap: 8px;
        }

        .lottery-trend-card .btn-view-trend i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .lottery-trend-card:hover .btn-view-trend i {
            transform: translateX(3px);
        }

        @media (max-width: 576px) {
            .lottery-trend-card .card-img-wrap {
                height: 150px;
            }
        }

        /* ========== 走势图可视化模拟区块 ========== */
        .chart-demo-block {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .chart-demo-block .dot-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
            align-items: center;
        }

        .chart-demo-block .dot-row .dot-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            min-width: 40px;
            text-align: right;
            margin-right: 6px;
        }

        .chart-demo-block .dot {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-border);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .chart-demo-block .dot.hit {
            background: var(--color-primary);
            box-shadow: 0 2px 6px rgba(26, 111, 181, 0.35);
        }

        .chart-demo-block .dot.hot {
            background: var(--color-accent);
            box-shadow: 0 2px 6px rgba(232, 131, 58, 0.35);
        }

        .chart-demo-block .dot.cold {
            background: #94a3b8;
        }

        @media (max-width: 576px) {
            .chart-demo-block .dot {
                width: 16px;
                height: 16px;
            }

            .chart-demo-block .dot-row {
                gap: 3px;
            }

            .chart-demo-block {
                padding: 18px 12px;
            }
        }

        /* ========== 统计数字卡片 ========== */
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

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

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        .stat-card .stat-icon-mini {
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background-color: var(--color-white);
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text);
            background: var(--color-white);
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background-color: var(--color-primary-light);
            border-bottom-left-radius: 0 !important;
            border-bottom-right-radius: 0 !important;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.1) !important;
            outline: none;
        }

        .accordion-custom .accordion-button::after {
            transition: transform var(--transition-normal);
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px 20px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            font-size: 0.93rem;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-navy) 0%, #1a4a6e 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }

        .cta-section .cta-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-text {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 550px;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: 28px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 650;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            box-shadow: 0 6px 20px rgba(232, 131, 58, 0.35);
        }

        .btn-cta-primary:hover {
            background-color: var(--color-accent-dark);
            box-shadow: 0 10px 28px rgba(232, 131, 58, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-cta-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(232, 131, 58, 0.3);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 28px;
            padding: 11px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
        }

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

        @media (max-width: 576px) {
            .cta-section {
                padding: 40px 0;
            }

            .cta-section .cta-title {
                font-size: 1.3rem;
            }

            .btn-cta-primary,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
                margin-bottom: 8px;
            }
        }

        /* ========== 页脚 ========== */
        .footer-custom {
            background-color: var(--color-navy);
            color: #cbd5e1;
            padding: 50px 0 24px;
            font-size: 0.9rem;
        }

        .footer-custom .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
            transition: opacity var(--transition-fast);
        }

        .footer-custom .footer-logo i {
            color: var(--color-accent);
        }

        .footer-custom .footer-logo:hover {
            opacity: 0.8;
            color: #fff;
        }

        .footer-custom h5 {
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

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

        .footer-custom .footer-links li {
            margin-bottom: 6px;
        }

        .footer-custom .footer-links a {
            color: #94a3b8;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            display: inline-block;
            padding: 2px 0;
        }

        .footer-custom .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .footer-custom hr {
            border-color: rgba(255, 255, 255, 0.1);
            opacity: 1;
        }

        .footer-custom .text-secondary {
            color: #94a3b8 !important;
        }

        @media (max-width: 768px) {
            .footer-custom {
                padding: 35px 0 20px;
            }
        }

        /* ========== 滚动条美化 ========== */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }

        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }

        /* ========== 通用工具类 ========== */
        .text-weak {
            color: var(--color-text-weak);
        }

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

        .gap-20 {
            gap: 20px;
        }

        /* ========== 走势图模拟网格线 ========== */
        .mini-chart-grid {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 14px;
            padding: 14px;
            background: var(--color-bg);
            border-radius: var(--radius-sm);
        }

        .mini-chart-grid .mini-row {
            display: flex;
            gap: 4px;
            align-items: center;
        }

        .mini-chart-grid .mini-cell {
            width: 18px;
            height: 18px;
            border-radius: 3px;
            background: #e2e8f0;
            flex-shrink: 0;
        }

        .mini-chart-grid .mini-cell.active-cell {
            background: var(--color-primary);
            border-radius: 50%;
        }

        .mini-chart-grid .mini-cell.highlight-cell {
            background: var(--color-accent);
            border-radius: 50%;
        }

        @media (max-width: 576px) {
            .mini-chart-grid .mini-cell {
                width: 13px;
                height: 13px;
            }

            .mini-chart-grid {
                padding: 8px;
                gap: 2px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #c41e3a;
            --primary-dark: #a01830;
            --primary-light: #e8485e;
            --accent: #f0a500;
            --accent-light: #fcc850;
            --bg: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-dark-alt: #16213e;
            --text: #1a1a1a;
            --text-light: #6b7280;
            --text-white: #f1f1f1;
            --card-bg: #ffffff;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        /* Container */
        .container {
            max-width: 1200px;
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            padding: 0.6rem 0;
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: box-shadow var(--transition);
        }
        .navbar-custom.scrolled {
            box-shadow: var(--shadow-md);
        }
        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary) !important;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .navbar-brand-custom i {
            font-size: 1.5rem;
            color: var(--accent);
        }
        .navbar-brand-custom:hover {
            color: var(--primary-dark) !important;
        }
        .nav-link-custom {
            color: #444 !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.45rem 1rem !important;
            border-radius: 6px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link-custom:hover {
            color: var(--primary) !important;
            background: rgba(196, 30, 58, 0.04);
        }
        .nav-link-custom.active {
            color: var(--primary) !important;
            font-weight: 600;
            background: rgba(196, 30, 58, 0.07);
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .search-input {
            border: 1.5px solid var(--border);
            border-radius: 25px;
            padding: 0.45rem 1rem;
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition);
            width: 160px;
            background: var(--bg);
        }
        .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.08);
            width: 200px;
            background: #fff;
        }
        .btn-cta-nav {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 25px;
            padding: 0.45rem 1.3rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-cta-nav:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(196, 30, 58, 0.3);
            transform: translateY(-1px);
        }
        .btn-cta-nav:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(196, 30, 58, 0.25);
        }
        .navbar-toggler {
            border: 1.5px solid var(--border);
            border-radius: 8px;
            padding: 0.35rem 0.6rem;
            transition: all var(--transition);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
            outline: none;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(22, 33, 62, 0.82) 100%), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            color: #fff;
            padding: 4rem 0;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(196, 30, 58, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 0.35rem 1.1rem;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 0.8rem;
            letter-spacing: -0.03em;
        }
        .hero-title .accent {
            color: var(--accent-light);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .hero-stats-row {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
            min-width: 80px;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.3rem;
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding: 4rem 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: rgba(196, 30, 58, 0.06);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            margin-bottom: 0.6rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            margin-top: 0.5rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 卡片 ========== */
        .card-custom {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }
        .card-icon-red {
            background: rgba(196, 30, 58, 0.08);
            color: var(--primary);
        }
        .card-icon-gold {
            background: rgba(240, 165, 0, 0.1);
            color: var(--accent);
        }
        .card-icon-blue {
            background: rgba(59, 130, 246, 0.08);
            color: #3b82f6;
        }
        .card-icon-green {
            background: rgba(16, 185, 129, 0.08);
            color: #10b981;
        }
        .card-custom h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text);
        }
        .card-custom p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
            flex-grow: 1;
        }
        .card-custom .card-link {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary);
            margin-top: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: gap var(--transition);
        }
        .card-custom .card-link:hover {
            gap: 0.6rem;
            color: var(--primary-dark);
        }

        /* ========== 玩法详情卡片 ========== */
        .guide-detail-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
        }
        .guide-detail-card:hover {
            box-shadow: var(--shadow-md);
        }
        .guide-detail-card .card-img-top-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .guide-detail-card .card-img-top-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-detail-card:hover .card-img-top-wrap img {
            transform: scale(1.06);
        }
        .guide-detail-card .card-body-custom {
            padding: 1.5rem;
        }
        .guide-detail-card .tag-row {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 0.8rem;
        }
        .tag-pill {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .tag-hot {
            background: #fef2f2;
            color: #dc2626;
        }
        .tag-new {
            background: #eff6ff;
            color: #2563eb;
        }
        .tag-recommend {
            background: #fffbeb;
            color: #d97706;
        }
        .guide-detail-card h4 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--text);
        }
        .guide-detail-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ========== 步骤流程 ========== */
        .step-card {
            text-align: center;
            padding: 1.8rem 1.2rem;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
        }
        .step-card h5 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            color: var(--text);
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin: 0;
        }

        /* ========== 文章列表 ========== */
        .article-list-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
            margin-bottom: 0.8rem;
        }
        .article-list-item:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
        }
        .article-list-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .article-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-list-content h6 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.3rem;
            color: var(--text);
        }
        .article-list-content .article-meta {
            font-size: 0.78rem;
            color: var(--text-light);
        }
        .article-list-content p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin: 0.3rem 0 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: #fff;
            padding: 1rem 1.3rem;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(196, 30, 58, 0.025);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.08);
            border-color: var(--primary-light);
        }
        .accordion-custom .accordion-body {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.8;
            padding: 0.8rem 1.3rem 1.3rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-alt) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto 1.5rem;
        }
        .btn-cta-primary {
            background: var(--accent);
            color: #1a1a2e;
            border: none;
            padding: 0.75rem 2.5rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
            display: inline-block;
        }
        .btn-cta-primary:hover {
            background: #ffb830;
            color: #1a1a2e;
            box-shadow: 0 8px 28px rgba(240, 165, 0, 0.4);
            transform: translateY(-2px);
        }
        .btn-cta-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 0.7rem 2.2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            display: inline-block;
            margin-left: 0.8rem;
        }
        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .footer-custom {
            background: #111827;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff !important;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-logo i {
            color: var(--accent);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .footer-links li a {
            color: #bbb;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-links li a:hover {
            color: var(--accent-light);
        }
        .footer-custom hr {
            border-color: #374151;
            opacity: 0.6;
        }
        .footer-custom .text-secondary {
            color: #9ca3af !important;
            font-size: 0.85rem;
            line-height: 1.6;
        }
        .footer-custom h5 {
            font-size: 1rem;
        }
        .footer-custom p {
            font-size: 0.85rem;
            color: #bbb;
            margin-bottom: 0.3rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.1rem;
            }
            .hero-desc {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-stats-row {
                gap: 1.2rem;
            }
            .hero-stat-num {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .guide-detail-card .card-img-top-wrap {
                height: 160px;
            }
            .article-list-thumb {
                width: 80px;
                height: 56px;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 340px;
                padding: 2.5rem 0;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 1rem;
                justify-content: center;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .hero-stat-label {
                font-size: 0.7rem;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .card-custom {
                padding: 1.2rem;
            }
            .guide-detail-card .card-img-top-wrap {
                height: 180px;
            }
            .article-list-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .article-list-thumb {
                width: 100%;
                height: 140px;
            }
            .search-input {
                width: 120px;
            }
            .search-input:focus {
                width: 140px;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 0.6rem;
            }
            .cta-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: 300px;
                padding: 2rem 0;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 0.25rem 0.8rem;
            }
            .hero-desc {
                font-size: 0.82rem;
            }
            .hero-stats-row {
                gap: 0.7rem;
            }
            .hero-stat-num {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .section-padding {
                padding: 1.8rem 0;
            }
            .card-custom {
                padding: 1rem;
            }
            .card-custom h4 {
                font-size: 1rem;
            }
            .guide-detail-card .card-img-top-wrap {
                height: 150px;
            }
            .step-number {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .btn-cta-nav {
                font-size: 0.78rem;
                padding: 0.35rem 1rem;
            }
            .search-input {
                width: 90px;
                font-size: 0.78rem;
            }
            .footer-custom {
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #D43030;
            --color-primary-dark: #B02020;
            --color-primary-light: #FEF0F0;
            --color-secondary: #1A1A2E;
            --color-accent: #F59E0B;
            --color-bg: #F8F9FA;
            --color-surface: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-secondary: #6B7280;
            --color-text-muted: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F0F0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --navbar-height: 72px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

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

        /* ========== NAVBAR ========== */
        .navbar-custom {
            background-color: #FFFFFF;
            box-shadow: 0 1px 0 0 var(--color-border-light), 0 2px 12px rgba(0, 0, 0, 0.04);
            padding: 0;
            height: var(--navbar-height);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: box-shadow var(--transition-smooth);
        }

        .navbar-custom.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-secondary) !important;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-brand-custom i {
            color: var(--color-primary);
            font-size: 1.5rem;
            transition: transform var(--transition-smooth);
        }

        .navbar-brand-custom:hover {
            color: var(--color-primary) !important;
        }

        .navbar-brand-custom:hover i {
            transform: rotate(-15deg) scale(1.1);
        }

        .nav-link-custom {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary) !important;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link-custom:hover {
            color: var(--color-primary) !important;
            background-color: var(--color-primary-light);
        }

        .nav-link-custom.active {
            color: var(--color-primary) !important;
            background-color: var(--color-primary-light);
            font-weight: 600;
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background-color: var(--color-primary);
            border-radius: 4px;
        }

        .search-input {
            border: 2px solid var(--color-border);
            border-radius: 50px;
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            width: 180px;
            transition: all var(--transition-fast);
            background-color: var(--color-bg);
            color: var(--color-text);
            outline: none;
        }

        .search-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(212, 48, 48, 0.1);
            width: 210px;
            background-color: #fff;
        }

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

        .btn-cta-nav {
            background-color: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 0.5rem 1.25rem;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(212, 48, 48, 0.3);
        }

        .btn-cta-nav:hover {
            background-color: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(212, 48, 48, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-cta-nav:active {
            transform: translateY(0);
            box-shadow: 0 1px 4px rgba(212, 48, 48, 0.3);
        }

        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            outline: none;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(212, 48, 48, 0.15);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26, 26, 46, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.72) 100%), url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 4rem 1.5rem;
            color: #fff;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 48, 48, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 1.5rem;
        }

        .hero-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 1rem;
            line-height: 1.25;
        }

        .hero-banner .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }

        .hero-stats-row {
            display: flex;
            gap: 2.5rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

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

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.4rem;
        }

        /* ========== SECTION ========== */
        .section-py {
            padding: 4rem 0;
        }

        .section-py-sm {
            padding: 2.5rem 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 1rem;
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

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

        .section-header .divider {
            width: 50px;
            height: 4px;
            background-color: var(--color-primary);
            border-radius: 4px;
            margin: 0.75rem auto 0;
        }

        /* ========== CATEGORY CARDS ========== */
        .cat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary);
        }

        .cat-card .cat-icon-wrapper {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            transition: all var(--transition-smooth);
        }

        .cat-card:hover .cat-icon-wrapper {
            background: var(--color-primary);
            transform: scale(1.08);
        }

        .cat-card .cat-icon-wrapper i {
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: color var(--transition-smooth);
        }

        .cat-card:hover .cat-icon-wrapper i {
            color: #fff;
        }

        .cat-card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 0.6rem;
        }

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

        .cat-card .cat-count {
            display: inline-block;
            background: var(--color-bg);
            color: var(--color-text-muted);
            padding: 0.25rem 0.8rem;
            border-radius: 50px;
            font-size: 0.78rem;
            margin-top: 1rem;
            font-weight: 500;
        }

        /* ========== NEWS LIST ========== */
        .news-list-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            margin-bottom: 1rem;
            cursor: pointer;
        }

        .news-list-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }

        .news-list-card .news-img {
            width: 200px;
            min-width: 200px;
            height: 130px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-list-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

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

        .news-list-card .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-list-card .news-tag {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary);
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 0.5rem;
        }

        .news-list-card .news-tag.tag-hot {
            background: #FFF7ED;
            color: #EA580C;
        }

        .news-list-card .news-tag.tag-new {
            background: #ECFDF5;
            color: #059669;
        }

        .news-list-card h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }

        .news-list-card .news-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .news-list-card .news-meta i {
            margin-right: 0.25rem;
        }

        .news-list-card .news-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== FEATURED TOPIC ========== */
        .topic-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            cursor: pointer;
        }

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

        .topic-card .topic-img {
            height: 200px;
            overflow: hidden;
        }

        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .topic-card:hover .topic-img img {
            transform: scale(1.08);
        }

        .topic-card .topic-body {
            padding: 1.5rem;
        }

        .topic-card .topic-body h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 0.6rem;
        }

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

        .topic-card .topic-body .btn-link-custom {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0;
            border: none;
            background: none;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .topic-card .topic-body .btn-link-custom:hover {
            color: var(--color-primary-dark);
            gap: 0.6rem;
        }

        /* ========== DATA STATS ========== */
        .stats-block {
            background: var(--color-secondary);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-block::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(212, 48, 48, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .stats-block .stat-item {
            position: relative;
            z-index: 2;
            padding: 0.75rem;
        }

        .stats-block .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            line-height: 1;
            color: #fff;
        }

        .stats-block .stat-number span {
            color: var(--color-accent);
        }

        .stats-block .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.5rem;
            letter-spacing: 0.5px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #FFF5F5 0%, #FFF 40%, #FEFCE8 100%);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(212, 48, 48, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-secondary);
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            position: relative;
            z-index: 2;
        }

        .btn-cta-lg {
            background-color: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 0.85rem 2.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(212, 48, 48, 0.35);
            position: relative;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .btn-cta-lg:hover {
            background-color: var(--color-primary-dark);
            box-shadow: 0 8px 28px rgba(212, 48, 48, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-cta-lg:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(212, 48, 48, 0.3);
        }

        .btn-outline-custom {
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            border-radius: 50px;
            padding: 0.85rem 2.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            background: transparent;
            position: relative;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .btn-outline-custom:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 48, 48, 0.3);
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

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

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-secondary);
            background-color: var(--color-surface);
            padding: 1.1rem 1.5rem;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            font-family: var(--font-heading);
            box-shadow: none !important;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background-color: var(--color-primary-light);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 48, 48, 0.12) !important;
            border-color: var(--color-primary);
        }

        .faq-accordion .accordion-button::after {
            transition: all var(--transition-smooth);
        }

        .faq-accordion .accordion-body {
            padding: 1.1rem 1.5rem 1.5rem;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            background-color: #FAFAFA;
        }

        /* ========== FOOTER ========== */
        .footer-custom {
            background-color: #141420;
            color: #B0B0C0;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
            border-top: 4px solid var(--color-primary);
        }

        .footer-custom .footer-logo {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 0.75rem;
        }

        .footer-custom .footer-logo i {
            color: var(--color-primary);
        }

        .footer-custom .footer-logo:hover {
            color: #ddd;
        }

        .footer-custom h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.5px;
        }

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

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

        .footer-links li a {
            color: #B0B0C0;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .footer-links li a:hover {
            color: #fff;
            padding-left: 6px;
        }

        .footer-custom hr {
            border-color: rgba(255, 255, 255, 0.1);
        }

        .footer-custom p {
            font-size: 0.85rem;
            color: #888;
        }

        .footer-custom .text-secondary {
            color: #9090A0 !important;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-banner h1 {
                font-size: 2.2rem;
            }
            .hero-banner {
                min-height: 320px;
            }
            .news-list-card .news-img {
                width: 160px;
                min-width: 160px;
                height: 110px;
            }
            .stats-block .stat-number {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom {
                height: auto;
                min-height: 60px;
                padding: 0.5rem 0;
            }
            .navbar-brand-custom {
                font-size: 1.15rem;
            }
            .search-input {
                width: 140px;
            }
            .search-input:focus {
                width: 160px;
            }
            .hero-banner {
                min-height: 280px;
                padding: 3rem 1rem;
            }
            .hero-banner h1 {
                font-size: 1.7rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 1.5rem;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .news-list-card {
                flex-direction: column;
                gap: 1rem;
            }
            .news-list-card .news-img {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .section-py {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .stats-block {
                padding: 2rem 1rem;
            }
            .stats-block .stat-number {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 2.5rem 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .topic-card .topic-img {
                height: 160px;
            }
            .cat-card {
                padding: 1.5rem 1rem;
            }
            .btn-cta-lg,
            .btn-outline-custom {
                padding: 0.7rem 1.8rem;
                font-size: 0.95rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.9rem;
                padding: 0.9rem 1.2rem;
            }
            .faq-accordion .accordion-body {
                font-size: 0.85rem;
                padding: 0.9rem 1.2rem 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 1.4rem;
            }
            .hero-banner {
                min-height: 240px;
                padding: 2rem 1rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 0.3rem 0.9rem;
            }
            .hero-stats-row {
                gap: 1rem;
                flex-direction: column;
            }
            .hero-stat-number {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .section-subtitle {
                font-size: 0.85rem;
            }
            .news-list-card .news-img {
                height: 150px;
            }
            .news-list-card h3 {
                font-size: 1rem;
            }
            .stats-block .stat-number {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.2rem;
            }
            .footer-custom {
                padding: 2rem 0 1rem;
            }
            .footer-custom .footer-logo {
                font-size: 1.1rem;
            }
            .search-input {
                width: 100px;
                font-size: 0.8rem;
                padding: 0.4rem 0.7rem;
            }
            .search-input:focus {
                width: 120px;
            }
            .btn-cta-nav {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a3350;
            --color-primary-light: #1e4068;
            --color-accent: #d4942b;
            --color-accent-hover: #b87a1f;
            --color-accent-light: #f0d28b;
            --color-accent-bg: #fef9f0;
            --color-highlight: #c0392b;
            --color-highlight-light: #fdecea;
            --color-bg: #f7f8fa;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a6070;
            --color-text-muted: #8b919e;
            --color-border: #e2e6ed;
            --color-border-light: #eef1f5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --max-width: 1200px;
            --section-gap: 4.5rem;
            --section-gap-sm: 2.5rem;
        }

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

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

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

        main {
            flex: 1 0 auto;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1260px;
            }
        }

        /* ========== NAVBAR ========== */
        .navbar-custom {
            background-color: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            padding-top: 0.55rem;
            padding-bottom: 0.55rem;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: box-shadow var(--transition-base);
        }
        .navbar-custom.scrolled {
            box-shadow: var(--shadow-md);
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .navbar-brand-custom i {
            color: var(--color-accent);
            font-size: 1.4rem;
            transition: transform var(--transition-base);
        }
        .navbar-brand-custom:hover i {
            transform: rotate(-15deg) scale(1.1);
        }
        .navbar-brand-custom:hover {
            color: var(--color-primary-light) !important;
        }

        .nav-link-custom {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary) !important;
            padding: 0.5rem 0.9rem !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link-custom:hover {
            color: var(--color-primary) !important;
            background-color: #f5f7fa;
        }
        .nav-link-custom.active {
            color: var(--color-accent) !important;
            background-color: var(--color-accent-bg);
            font-weight: 600;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .search-input {
            border: 1.5px solid var(--color-border);
            border-radius: 24px;
            padding: 0.45rem 1rem;
            font-size: 0.88rem;
            width: 180px;
            outline: none;
            background-color: #f9fafb;
            transition: all var(--transition-fast);
            color: var(--color-text);
        }
        .search-input:focus {
            border-color: var(--color-accent);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(212, 148, 43, 0.08);
            width: 210px;
        }
        .search-input::placeholder {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .btn-cta-nav {
            background: var(--color-accent);
            color: #fff !important;
            border: none;
            border-radius: 24px;
            padding: 0.45rem 1.2rem;
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .btn-cta-nav:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 14px rgba(212, 148, 43, 0.3);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .btn-cta-nav:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(212, 148, 43, 0.25);
        }

        .navbar-toggler {
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.6rem;
            transition: all var(--transition-fast);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(212, 148, 43, 0.12);
            border-color: var(--color-accent);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,51,80,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: #fff;
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.6rem;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--color-border-light);
            }
            .nav-link-custom {
                padding: 0.6rem 1rem !important;
                font-size: 0.95rem;
            }
            .search-input {
                width: 100%;
                margin-top: 0.5rem;
            }
            .search-input:focus {
                width: 100%;
            }
            .btn-cta-nav {
                width: 100%;
                margin-top: 0.5rem;
                text-align: center;
                justify-content: center;
                display: flex;
                align-items: center;
                gap: 0.4rem;
            }
            .d-flex.align-items-center.gap-2 {
                flex-direction: column;
                width: 100%;
            }
        }

        /* ========== PAGE HERO / BANNER ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #1a2d44 0%, #1e3a5f 40%, #1a3350 100%);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 45, 60, 0.88) 0%, rgba(26, 51, 80, 0.82) 50%, rgba(20, 30, 48, 0.9) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 3.5rem 0;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            list-style: none;
            padding: 0;
            margin: 0 0 1.2rem 0;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--color-accent-light);
        }
        .page-hero .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.75rem;
        }
        .page-hero .breadcrumb-custom .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 0.8rem;
            line-height: 1.25;
        }
        .page-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .page-hero .hero-accent-line {
            width: 60px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 1rem;
        }
        @media (max-width: 768px) {
            .page-hero {
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.98rem;
            }
            .page-hero .hero-content {
                padding: 2.5rem 0;
            }
        }
        @media (max-width: 520px) {
            .page-hero {
                min-height: 260px;
            }
            .page-hero h1 {
                font-size: 1.55rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: var(--color-accent-bg);
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            margin-bottom: 0.6rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.6rem;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== STAT CARDS ========== */
        .stat-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }
        .stat-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent-bg);
            color: var(--color-accent);
            font-size: 1.5rem;
            margin-bottom: 1rem;
            transition: all var(--transition-base);
        }
        .stat-card:hover .stat-icon {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.08);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            line-height: 1.1;
        }
        .stat-card .stat-unit {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 0.4rem;
            font-weight: 500;
        }

        /* ========== TOOL CARDS ========== */
        .tool-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .tool-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef2f7;
        }
        .tool-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
            border-radius: 0;
        }
        .tool-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .tool-card .card-img-wrap .img-overlay-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 51, 80, 0.85);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 14px;
            letter-spacing: 0.03em;
        }
        .tool-card .card-body-custom {
            padding: 1.4rem 1.3rem 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tool-card .card-title-custom {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.01em;
        }
        .tool-card .card-text-custom {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }
        .tool-card .card-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .tool-card .card-link-custom:hover {
            color: var(--color-accent-hover);
            gap: 0.55rem;
        }
        .tool-card .card-link-custom i {
            transition: transform var(--transition-fast);
        }
        .tool-card .card-link-custom:hover i {
            transform: translateX(3px);
        }

        /* ========== REPORT LIST ========== */
        .report-list-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.1rem 1.3rem;
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
            margin-bottom: 0.75rem;
        }
        .report-list-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-accent-light);
            background: #fefefe;
        }
        .report-list-item .report-date {
            flex-shrink: 0;
            background: var(--color-accent-bg);
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.82rem;
            padding: 0.35rem 0.7rem;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 72px;
            letter-spacing: 0.02em;
        }
        .report-list-item .report-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 0.2rem;
            letter-spacing: 0.01em;
        }
        .report-list-item .report-info p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.5;
        }
        .report-list-item .report-arrow {
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            align-self: center;
        }
        .report-list-item:hover .report-arrow {
            color: var(--color-accent);
            transform: translateX(3px);
        }
        @media (max-width: 520px) {
            .report-list-item {
                flex-wrap: wrap;
                gap: 0.6rem;
            }
            .report-list-item .report-date {
                min-width: auto;
            }
        }

        /* ========== VISUALIZATION BLOCK ========== */
        .viz-block {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
        }
        .viz-block:hover {
            box-shadow: var(--shadow-md);
        }
        .viz-block .viz-icon-large {
            font-size: 2.8rem;
            color: var(--color-accent);
            margin-bottom: 1rem;
            display: block;
        }
        .viz-block h4 {
            font-size: 1.1rem;
            font-weight: 650;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }
        .viz-block p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .viz-block .mini-chart {
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 60px;
            margin-top: 1rem;
            padding-top: 0.5rem;
        }
        .mini-chart .bar {
            flex: 1;
            border-radius: 3px 3px 0 0;
            background: var(--color-accent);
            opacity: 0.7;
            transition: all var(--transition-base);
            min-height: 8px;
        }
        .mini-chart .bar:nth-child(odd) {
            background: var(--color-primary-light);
            opacity: 0.6;
        }
        .viz-block:hover .mini-chart .bar {
            opacity: 0.9;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 3rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .accordion-custom .accordion-item {
            border: none;
            border-bottom: 1px solid var(--color-border-light);
            margin-bottom: 0;
            background: transparent;
        }
        .accordion-custom .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-custom .accordion-header button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            padding: 1.1rem 0;
            background: transparent;
            border: none;
            box-shadow: none;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .accordion-custom .accordion-header button:hover {
            color: var(--color-accent);
        }
        .accordion-custom .accordion-header button:not(.collapsed) {
            color: var(--color-accent);
        }
        .accordion-custom .accordion-header button .faq-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-accent-bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }
        .accordion-custom .accordion-header button:not(.collapsed) .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .accordion-custom .accordion-body {
            padding: 0 0 1.2rem 0;
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        @media (max-width: 768px) {
            .faq-section {
                padding: 1.5rem;
                border-radius: var(--radius-lg);
            }
            .accordion-custom .accordion-header button {
                font-size: 0.93rem;
                padding: 0.9rem 0;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section-custom {
            background: linear-gradient(135deg, #1a3350 0%, #1e3a5f 50%, #162a40 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-section-custom::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(212, 148, 43, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section-custom::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section-custom h2 {
            color: #fff;
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }
        .cta-section-custom p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto 1.8rem;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.75rem 2.2rem;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
            box-shadow: 0 6px 20px rgba(212, 148, 43, 0.35);
        }
        .btn-cta-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 10px 30px rgba(212, 148, 43, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-cta-lg:active {
            transform: translateY(0);
        }
        @media (max-width: 768px) {
            .cta-section-custom {
                padding: 2.2rem 1.5rem;
                border-radius: var(--radius-lg);
            }
            .cta-section-custom h2 {
                font-size: 1.4rem;
            }
            .cta-section-custom p {
                font-size: 0.93rem;
            }
            .btn-cta-lg {
                font-size: 0.95rem;
                padding: 0.65rem 1.6rem;
            }
        }

        /* ========== FOOTER ========== */
        .footer-custom {
            background: #141e2b;
            color: #c5cdd8;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
            flex-shrink: 0;
        }
        .footer-custom .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff !important;
            letter-spacing: 0.02em;
            margin-bottom: 0.3rem;
        }
        .footer-custom .footer-logo i {
            color: var(--color-accent);
        }
        .footer-custom h5 {
            font-size: 0.95rem;
            font-weight: 650;
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
        }
        .footer-links li a {
            color: #a0aab5;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-links li a:hover {
            color: var(--color-accent-light);
        }
        .footer-custom hr {
            opacity: 0.35;
        }
        .footer-custom .text-center p {
            font-size: 0.82rem;
            color: #8a94a0;
        }
        @media (max-width: 768px) {
            .footer-custom {
                padding: 2rem 0 1rem;
            }
            .footer-links {
                flex-direction: column;
                gap: 0.3rem;
            }
        }

        /* ========== UTILITY ========== */
        .section-padding {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        @media (max-width: 768px) {
            .section-padding {
                padding-top: var(--section-gap-sm);
                padding-bottom: var(--section-gap-sm);
            }
        }
        .text-accent {
            color: var(--color-accent) !important;
        }
        .bg-accent-soft {
            background-color: var(--color-accent-bg);
        }
        .bg-surface {
            background-color: var(--color-surface);
        }
        .highlight-badge {
            display: inline-block;
            background: var(--color-highlight-light);
            color: var(--color-highlight);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 14px;
            letter-spacing: 0.03em;
        }

        /* ========== IMG FIX ========== */
        .card-img-wrap img,
        .tool-card .card-img-wrap img {
            border-radius: 0;
        }
        .viz-block img,
        .report-list-item img {
            border-radius: var(--radius-md);
        }