/* roulang page: index */
:root {
            --primary: #142b42;
            --primary-light: #244b6b;
            --primary-dark: #0d1d2f;
            --accent: #f56b2a;
            --accent-light: #ff8c4d;
            --accent-dark: #d95418;
            --success: #22b573;
            --bg: #f4f6f9;
            --surface: #ffffff;
            --text: #1b2a39;
            --text-muted: #6b7a90;
            --border: #e6eaf0;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow: 0 6px 30px rgba(13, 29, 47, 0.07);
            --shadow-hover: 0 16px 44px rgba(13, 29, 47, 0.12);
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all .3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 90px 0;
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(245, 107, 42, .1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            border-radius: 100px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 107, 42, .35);
        }
        .btn-outline-light-custom {
            border-color: rgba(255, 255, 255, .65);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary-custom {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(245, 107, 42, .45);
            outline-offset: 2px;
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }
        .custom-navbar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .5px;
            margin-right: 0;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link-custom {
            padding: 8px 18px;
            border-radius: 30px;
            color: var(--text);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
            border: none;
            background: transparent;
        }
        .nav-link-custom:hover {
            color: var(--accent);
            background: rgba(245, 107, 42, .08);
        }
        .nav-link-custom.active {
            color: var(--accent);
            background: rgba(245, 107, 42, .12);
            font-weight: 600;
        }
        .nav-link-custom:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .header-cta {
            padding: 8px 22px;
            font-size: 14px;
            margin-left: 8px;
        }
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: 8px;
            background: rgba(20, 43, 66, .06);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }
        .navbar-toggler-icon {
            display: inline-block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            position: relative;
            border-radius: 2px;
            transition: var(--transition);
        }
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: "";
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .navbar-toggler-icon::before {
            top: -7px;
        }
        .navbar-toggler-icon::after {
            top: 7px;
        }
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
            padding: 120px 0 100px;
            color: #fff;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(12, 27, 44, .88) 0%, rgba(12, 27, 44, .62) 55%, rgba(12, 27, 44, .25) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .5px;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .hero-title {
            font-size: clamp(32px, 6vw, 56px);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -2px;
            margin-bottom: 20px;
        }
        .hero-title .text-accent {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .92);
            margin-bottom: 36px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 56px;
        }
        .hero-stat-item {
            border-left: 3px solid var(--accent);
            padding-left: 16px;
        }
        .hero-stat-num {
            font-size: 28px;
            font-weight: 800;
            display: block;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .78);
        }
        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            height: 100%;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 22px;
            border-radius: 20px;
            font-size: 28px;
            color: var(--accent);
            background: rgba(245, 107, 42, .1);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(-6deg);
        }
        .feature-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .feature-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border);
            position: relative;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .category-img-wrap {
            position: relative;
            height: 220px;
            overflow: hidden;
        }
        .category-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .category-card:hover .category-img-wrap img {
            transform: scale(1.06);
        }
        .category-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 29, 47, .55), transparent 65%);
        }
        .category-body {
            padding: 28px;
        }
        .category-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .category-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .category-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 22px;
        }
        .tag-item {
            display: inline-block;
            padding: 3px 14px;
            background: rgba(20, 43, 66, .06);
            border-radius: 100px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
        }
        .category-link {
            font-weight: 600;
            font-size: 15px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }
        .news-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .news-card-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
            background: var(--primary);
        }
        .news-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
            opacity: .92;
        }
        .news-card:hover .news-card-cover img {
            transform: scale(1.05);
        }
        .news-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 100px;
            box-shadow: 0 4px 12px rgba(245, 107, 42, .3);
        }
        .news-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-title a {
            color: var(--primary);
        }
        .news-card-title a:hover {
            color: var(--accent);
        }
        .news-card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-time {
            margin-top: auto;
            font-size: 13px;
            color: #9aa7b8;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .empty-tip {
            background: var(--surface);
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-muted);
            font-size: 16px;
        }
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light)), url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
            background-blend-mode: overlay;
            color: #fff;
            padding: 80px 0;
        }
        .stats-card {
            text-align: center;
            padding: 30px 20px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            backdrop-filter: blur(8px);
            transition: var(--transition);
            height: 100%;
        }
        .stats-card:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-4px);
        }
        .stats-number {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 6px;
        }
        .stats-number i {
            color: var(--accent);
            font-style: normal;
            font-size: 30px;
        }
        .stats-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }
        .topic-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .topic-img-wrap {
            position: relative;
            height: 230px;
            overflow: hidden;
        }
        .topic-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .topic-card:hover .topic-img-wrap img {
            transform: scale(1.06);
        }
        .topic-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: .8px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .topic-title {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .topic-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }
        .topic-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topic-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--surface);
            box-shadow: 0 2px 10px rgba(13, 29, 47, .03);
        }
        .faq-accordion .accordion-button {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            background: var(--surface);
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: var(--surface);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(245, 107, 42, .12);
        }
        .faq-accordion .accordion-button::after {
            background-size: 16px;
            filter: grayscale(1) brightness(.5);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            filter: none;
        }
        .faq-accordion .accordion-body {
            padding: 0 28px 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 18px;
        }
        .cta-section {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -30px;
            width: 160px;
            height: 160px;
            background: rgba(255, 255, 255, .06);
            border-radius: 50%;
        }
        .cta-title {
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 900;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .cta-desc {
            font-size: 16px;
            opacity: .92;
            max-width: 560px;
            margin: 0 auto 36px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 1;
        }
        .btn-white {
            background: #fff;
            color: var(--accent);
            border-color: #fff;
        }
        .btn-white:hover {
            background: rgba(255, 255, 255, .9);
            color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, .15);
        }
        .btn-outline-white-custom {
            border-color: rgba(255, 255, 255, .8);
            color: #fff;
            background: transparent;
        }
        .btn-outline-white-custom:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            color: #fff;
        }
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .8);
            padding: 60px 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand:hover {
            color: #fff;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 320px;
            margin-bottom: 24px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            margin-top: 48px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            text-align: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 991.98px) {
            .main-nav {
                padding: 12px 0 4px;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                width: 100%;
            }
            .nav-link-custom {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
            }
            .header-cta {
                margin: 12px 0 4px;
                width: 100%;
            }
            .hero {
                min-height: auto;
                padding: 100px 0 70px;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 20px;
            }
            .section {
                padding: 70px 0;
            }
            .cta-section {
                padding: 44px 28px;
            }
        }
        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item {
                flex: 1 1 40%;
            }
            .section-header {
                margin-bottom: 40px;
            }
            .category-img-wrap {
                height: 180px;
            }
            .topic-img-wrap {
                height: 190px;
            }
            .stats-number {
                font-size: 32px;
            }
            .footer {
                padding-top: 40px;
            }
            .footer-bottom {
                margin-top: 32px;
            }
        }
        @media (max-width: 575.98px) {
            .container-custom {
                padding: 0 18px;
            }
            .section {
                padding: 56px 0;
            }
            .feature-card {
                padding: 30px 22px;
            }
            .category-body {
                padding: 22px;
            }
            .news-card-cover {
                height: 170px;
            }
            .news-card-title {
                font-size: 16px;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: 18px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .hero {
                padding: 80px 0 56px;
            }
            .hero-badge {
                font-size: 12px;
            }
            .hero-stat-num {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #f56b2a;
  --primary-dark: #d4541a;
  --primary-light: #ffd9c7;
  --secondary: #1b2b4b;
  --secondary-light: #2a3f66;
  --accent: #f56b2a;
  --dark-bg: #0f1a2e;
  --body-bg: #f7f8fc;
  --card-bg: #ffffff;
  --text-main: #24334d;
  --text-muted: #6b7b96;
  --border-color: #e8ecf3;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(20, 40, 80, .06);
  --shadow-md: 0 8px 30px rgba(20, 40, 80, .08);
  --shadow-lg: 0 16px 48px rgba(20, 40, 80, .12);
  --space-section: 90px;
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-family); background: var(--body-bg); color: var(--text-main); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
ul, ol { list-style: none; }
input:focus, button:focus, a:focus, .form-control:focus { outline: 3px solid rgba(245, 107, 42, .25); outline-offset: 2px; }
.container-custom { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 28px; }
.text-accent { color: var(--accent) !important; }
.bg-dark-custom { background: var(--dark-bg); }

/* Header */
.header { position: sticky; top: 0; z-index: 1050; background: rgba(255, 255, 255, .92); backdrop-filter: blur(16px); box-shadow: 0 1px 20px rgba(15, 26, 46, .08); border-bottom: 1px solid rgba(232, 236, 243, .7); }
.custom-navbar { padding: 14px 0; }
.navbar-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--secondary); letter-spacing: .5px; }
.navbar-brand .brand-icon { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), #ff9b5e); color: #fff; font-size: 17px; box-shadow: 0 4px 12px rgba(245, 107, 42, .35); }
.main-nav { display: flex; align-items: center; gap: 6px; }
.nav-link-custom { display: inline-block; padding: 8px 20px; border-radius: 999px; font-size: 15px; font-weight: 600; color: var(--text-main); transition: all .25s ease; }
.nav-link-custom:hover { color: var(--primary); background: rgba(245, 107, 42, .06); }
.nav-link-custom.active { color: #fff; background: var(--primary); box-shadow: 0 4px 14px rgba(245, 107, 42, .3); }
.header-cta { display: inline-flex; align-items: center; gap: 8px; padding: 9px 22px; border-radius: 999px; font-size: 14px; font-weight: 700; background: var(--secondary); color: #fff; border: none; box-shadow: 0 4px 14px rgba(27, 43, 75, .2); transition: all .25s ease; white-space: nowrap; }
.header-cta:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(27, 43, 75, .3); color: #fff; }
.navbar-toggler { border: 2px solid var(--border-color); border-radius: 10px; padding: 6px 10px; }
.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%2827,43,75,.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

/* Hero Banner */
.page-hero { position: relative; background: linear-gradient(135deg, rgba(15, 26, 46, .92), rgba(27, 43, 75, .78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; color: #fff; padding: 96px 0 82px; overflow: hidden; }
.page-hero::after { content: ''; position: absolute; right: -100px; top: -50px; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(245, 107, 42, .2), transparent 70%); }
.page-hero .container-custom { position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .18); padding: 6px 18px; border-radius: 999px; font-size: 13px; color: rgba(255, 255, 255, .9); margin-bottom: 22px; }
.hero-badge i { color: #ffb347; }
.page-hero h1 { font-size: 44px; font-weight: 800; letter-spacing: 1px; margin-bottom: 16px; line-height: 1.2; }
.page-hero h1 span { color: var(--primary); }
.page-hero p.lead { font-size: 17px; color: rgba(255, 255, 255, .8); max-width: 640px; margin-bottom: 28px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 32px; margin-top: 28px; }
.hero-stat h3 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 0; }
.hero-stat p { font-size: 13px; color: rgba(255, 255, 255, .6); margin-bottom: 0; }

/* Section Base */
.section-space { padding: var(--space-section) 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(245, 107, 42, .1); color: var(--primary); font-size: 13px; font-weight: 700; padding: 5px 16px; border-radius: 999px; margin-bottom: 14px; }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--secondary); margin-bottom: 12px; letter-spacing: .5px; }
.section-head p { color: var(--text-muted); font-size: 15px; margin-bottom: 0; }

/* Cards */
.card-category { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 30px 26px; height: 100%; box-shadow: var(--shadow-sm); transition: all .3s ease; }
.card-category:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(245, 107, 42, .3); }
.card-category .card-icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 18px; }
.card-category h3 { font-size: 20px; font-weight: 700; color: var(--secondary); margin-bottom: 10px; }
.card-category p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.6; }
.card-category .card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: all .25s ease; }
.card-category .card-link:hover { gap: 12px; }
.icon-bg-orange { background: rgba(245, 107, 42, .12); color: var(--primary); }
.icon-bg-blue { background: rgba(37, 99, 235, .1); color: #2563eb; }
.icon-bg-green { background: rgba(16, 185, 129, .1); color: #10b981; }
.icon-bg-purple { background: rgba(139, 92, 246, .1); color: #8b5cf6; }

/* News Cards */
.news-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .3s ease; height: 100%; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-card .news-cover { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.news-card .news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-cover img { transform: scale(1.05); }
.news-card .news-cover .cover-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15, 26, 46, .55), transparent 60%); opacity: .7; transition: opacity .3s; }
.news-card:hover .news-cover .cover-overlay { opacity: 1; }
.news-card .tag-top { position: absolute; top: 14px; left: 14px; z-index: 3; background: rgba(245, 107, 42, .92); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; }
.news-card .news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-card .news-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.news-card .news-meta span i { color: var(--primary); margin-right: 4px; }
.news-card h3 { font-size: 18px; font-weight: 700; color: var(--secondary); line-height: 1.45; margin-bottom: 10px; transition: color .25s; }
.news-card h3 a:hover { color: var(--primary); }
.news-card .news-excerpt { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .news-footer { margin-top: auto; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-color); padding-top: 14px; font-size: 13px; }
.news-card .read-more { color: var(--primary); font-weight: 600; font-size: 13px; display: inline-flex; align-items: center; gap: 4px; }
.news-card .read-more:hover { gap: 8px; }

/* List Layout */
.list-layout { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; margin-bottom: 18px; transition: all .3s ease; }
.list-layout:hover { box-shadow: var(--shadow-md); border-color: rgba(245, 107, 42, .25); }
.list-layout .list-item { display: flex; gap: 24px; padding: 26px; transition: background .3s; }
.list-layout .list-item:hover { background: rgba(245, 107, 42, .03); }
.list-layout .list-thumb { width: 180px; height: 120px; border-radius: var(--radius-md); overflow: hidden; flex-shrink: 0; position: relative; }
.list-layout .list-thumb img { width: 100%; height: 100%; object-fit: cover; }
.list-layout .list-content { flex: 1; }
.list-layout .list-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; flex-wrap: wrap; }
.list-layout .list-meta .badge-light { background: var(--primary-light); color: var(--primary-dark); padding: 3px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.list-layout h3 { font-size: 18px; font-weight: 700; color: var(--secondary); margin-bottom: 8px; line-height: 1.4; }
.list-layout h3 a:hover { color: var(--primary); }
.list-layout .list-excerpt { font-size: 14px; color: var(--text-muted); margin-bottom: 0; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }

/* Stats Section */
.stats-section { background: linear-gradient(135deg, var(--secondary) 0%, var(--dark-bg) 100%); position: relative; overflow: hidden; color: #fff; padding: 80px 0; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: .15; }
.stats-section .container-custom { position: relative; z-index: 2; }
.stat-block { text-align: center; padding: 24px 16px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--radius-lg); height: 100%; backdrop-filter: blur(8px); }
.stat-block .stat-number { font-size: 40px; font-weight: 800; color: #ff9b5e; line-height: 1; margin-bottom: 8px; }
.stat-block .stat-label { font-size: 14px; color: rgba(255, 255, 255, .7); }

/* FAQ */
.faq-item { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: 14px; box-shadow: var(--shadow-sm); transition: all .3s ease; }
.faq-item:hover { border-color: rgba(245, 107, 42, .3); box-shadow: var(--shadow-md); }
.faq-item .accordion-button { font-size: 16px; font-weight: 600; color: var(--secondary); background: transparent; padding: 20px 24px; border: none; box-shadow: none; }
.faq-item .accordion-button:not(.collapsed) { color: var(--primary); background: rgba(245, 107, 42, .04); }
.faq-item .accordion-button::after { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f56b2a'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e"); }
.faq-item .accordion-body { padding: 4px 24px 20px; color: var(--text-muted); font-size: 14px; line-height: 1.8; }

/* CTA */
.cta-box { background: linear-gradient(135deg, var(--primary), #ff9b5e); border-radius: calc(var(--radius-lg) + 8px); padding: 50px; position: relative; overflow: hidden; box-shadow: 0 20px 50px rgba(245, 107, 42, .3); }
.cta-box::after { content: ''; position: absolute; right: -40px; bottom: -40px; width: 180px; height: 180px; border-radius: 50%; background: rgba(255, 255, 255, .15); }
.cta-box h2 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 10px; position: relative; z-index: 2; }
.cta-box p { color: rgba(255, 255, 255, .9); font-size: 15px; margin-bottom: 0; position: relative; z-index: 2; }
.btn-light-custom { background: #fff; color: var(--primary); font-weight: 700; padding: 12px 32px; border-radius: 999px; font-size: 15px; box-shadow: 0 6px 20px rgba(0, 0, 0, .1); transition: all .3s ease; display: inline-flex; align-items: center; gap: 8px; border: none; position: relative; z-index: 2; }
.btn-light-custom:hover { transform: translateY(-3px); background: var(--secondary); color: #fff; box-shadow: 0 10px 30px rgba(27, 43, 75, .3); }

/* Footer */
.footer { background: var(--dark-bg); color: rgba(255, 255, 255, .8); padding: 70px 0 30px; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand .brand-icon { width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), #ff9b5e); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 17px; }
.footer-desc { font-size: 14px; color: rgba(255, 255, 255, .55); max-width: 300px; line-height: 1.7; margin-bottom: 0; }
.footer-title { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; border-radius: 3px; background: var(--primary); }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, .65); transition: all .25s ease; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.tag-item { display: inline-block; font-size: 13px; padding: 5px 14px; border-radius: 999px; transition: background .25s; }
.tag-item:hover { background: rgba(245, 107, 42, .2) !important; color: #fff !important; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding-top: 24px; margin-top: 40px; font-size: 13px; color: rgba(255, 255, 255, .4); }
.footer-bottom .footer-links-inline a { color: rgba(255, 255, 255, .4); margin-right: 18px; }
.footer-bottom .footer-links-inline a:hover { color: #fff; }

/* Responsive */
@media (max-width: 1024px) {
  :root { --space-section: 70px; }
  .page-hero h1 { font-size: 38px; }
}
@media (max-width: 768px) {
  :root { --space-section: 56px; }
  .container-custom { padding: 0 18px; }
  .header-cta { display: none; }
  .main-nav { width: 100%; flex-direction: column !important; align-items: stretch !important; gap: 4px; }
  .nav-link-custom { text-align: center; margin-bottom: 4px; }
  .page-hero { padding: 72px 0 60px; }
  .page-hero h1 { font-size: 30px; }
  .section-head h2 { font-size: 26px; }
  .list-layout .list-item { flex-direction: column; gap: 14px; }
  .list-layout .list-thumb { width: 100%; height: 180px; }
  .cta-box { padding: 34px 26px; }
  .cta-box h2 { font-size: 22px; }
  .stat-block .stat-number { font-size: 30px; }
}
@media (max-width: 520px) {
  .hero-stats { gap: 20px; }
  .hero-stat h3 { font-size: 22px; }
  .page-hero h1 { font-size: 26px; }
  .section-head h2 { font-size: 23px; }
  .footer { padding: 48px 0 24px; }
}

/* roulang page: article */
:root {
            --primary: #f56b2a;
            --primary-dark: #d9541a;
            --dark: #14213d;
            --darker: #0d1529;
            --bg: #f6f7fb;
            --card-bg: #ffffff;
            --text: #1a1d23;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(20, 33, 61, 0.07);
            --shadow-lg: 0 12px 40px rgba(20, 33, 61, 0.12);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--primary), #ff8a4c);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(245, 107, 42, 0.3);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 107, 42, 0.4);
            color: #fff;
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(245, 107, 42, 0.3);
        }

        .btn-accent:focus-visible {
            outline: 3px solid rgba(245, 107, 42, 0.4);
            outline-offset: 2px;
        }

        .btn-outline-light-custom {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            padding: 9px 22px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        .section-tag {
            display: inline-block;
            background: rgba(245, 107, 42, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-head {
            text-align: center;
            margin-bottom: 42px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .section-head p {
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        .tag-item {
            display: inline-block;
            background: rgba(245, 107, 42, 0.08);
            color: var(--primary);
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 50px;
            font-weight: 500;
            transition: var(--transition);
        }

        .tag-item:hover {
            background: rgba(245, 107, 42, 0.16);
            transform: scale(1.03);
        }

        /* ===== Header ===== */
        .header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.6);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }

        .custom-navbar {
            padding: 14px 0;
            background: transparent !important;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--dark) !important;
            letter-spacing: 0.5px;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), #ff8a4c);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(245, 107, 42, 0.3);
            flex-shrink: 0;
        }

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: 8px;
            background: rgba(245, 107, 42, 0.08);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(245, 107, 42, 0.3);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(20,33,61,1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

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

        .nav-link-custom {
            padding: 9px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            transition: var(--transition);
            position: relative;
        }

        .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(245, 107, 42, 0.08);
        }

        .nav-link-custom.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #ff8a4c);
            box-shadow: 0 4px 14px rgba(245, 107, 42, 0.3);
        }

        .header-cta {
            padding: 9px 22px;
            font-size: 14px;
            white-space: nowrap;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            background-size: cover;
            background-position: center;
            padding: 72px 0 80px;
            position: relative;
            color: #fff;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 21, 41, 0.82), rgba(20, 33, 61, 0.68));
            z-index: 1;
        }

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

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            margin-bottom: 18px;
            color: rgba(255, 255, 255, 0.7);
        }

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

        .breadcrumb-custom a:hover {
            color: var(--primary);
        }

        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb-custom .current {
            color: #fff;
            font-weight: 500;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            max-width: 260px;
        }

        .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            padding: 4px 16px;
            border-radius: 50px;
            margin-right: 10px;
            letter-spacing: 1px;
            backdrop-filter: blur(4px);
        }

        .page-banner h1 {
            font-size: 34px;
            font-weight: 800;
            margin: 16px 0 14px;
            max-width: 820px;
            line-height: 1.35;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 24px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
        }

        .banner-meta span {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .banner-meta i {
            color: var(--primary);
        }

        /* ===== Article Section ===== */
        .article-section {
            padding: 56px 0 40px;
        }

        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 36px 40px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(229, 231, 235, 0.4);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #333;
            word-wrap: break-word;
        }

        .article-content p {
            margin-bottom: 1.35rem;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin: 2rem 0 1rem;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(245, 107, 42, 0.2);
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin: 1.75rem 0 0.75rem;
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin: 1.5rem 0 0.75rem;
        }

        .article-content img {
            border-radius: 12px;
            margin: 1.5rem auto;
            max-width: 100%;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.5rem;
            margin-bottom: 1.35rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(245, 107, 42, 0.05);
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            color: #444;
            font-style: italic;
        }

        .article-content pre {
            background: #f0f2f5;
            border-radius: 10px;
            padding: 16px;
            overflow-x: auto;
            font-size: 14px;
            margin-bottom: 1.5rem;
        }

        .article-content code {
            background: rgba(245, 107, 42, 0.1);
            color: var(--primary-dark);
            padding: 2px 8px;
            border-radius: 5px;
            font-size: 14px;
        }

        .article-content .table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 1.5rem;
        }

        .article-content .table th,
        .article-content .table td {
            border: 1px solid var(--border);
            padding: 12px 14px;
            text-align: left;
        }

        .article-content .table th {
            background: rgba(245, 107, 42, 0.06);
            font-weight: 600;
        }

        .article-tags {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .article-tags .tag-title {
            font-weight: 600;
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 4px;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 26px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(229, 231, 235, 0.3);
        }

        .sidebar-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .sidebar-title i {
            color: var(--primary);
        }

        .sidebar-info {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-info li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
        }

        .sidebar-info li:last-child {
            border-bottom: none;
        }

        .sidebar-info li span {
            color: var(--text-muted);
            font-size: 13px;
        }

        .sidebar-info li strong {
            color: var(--text);
            font-weight: 600;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            background: rgba(245, 107, 42, 0.07);
            color: var(--text);
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 50px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .sidebar-posts {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-post {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 8px;
            border-radius: 10px;
            transition: var(--transition);
        }

        .sidebar-post:hover {
            background: rgba(245, 107, 42, 0.05);
        }

        .sidebar-post img {
            width: 60px;
            height: 48px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .sidebar-post span {
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-post:hover span {
            color: var(--primary);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 56px 0 64px;
            background: #fff;
            border-top: 1px solid rgba(229, 231, 235, 0.5);
            border-bottom: 1px solid rgba(229, 231, 235, 0.4);
        }

        .related-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: var(--shadow);
            border: 1px solid rgba(229, 231, 235, 0.4);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245, 107, 42, 0.3);
        }

        .related-card .thumb {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

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

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

        .related-card .thumb .category-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(13, 21, 41, 0.72);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 50px;
            font-weight: 500;
        }

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

        .related-card .content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }

        .related-card:hover .content h3 {
            color: var(--primary);
        }

        .related-card .content p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .related-card .content .meta {
            font-size: 12px;
            color: #9ca3af;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(245, 107, 42, 0.2), transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 44px 48px;
            backdrop-filter: blur(10px);
        }

        .cta-tag {
            display: inline-block;
            background: rgba(245, 107, 42, 0.2);
            color: #ffb491;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .cta-box h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            margin: 0;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-desc {
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 340px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-block;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer .tag-item {
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 12px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            margin-top: 36px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .page-banner h1 {
                font-size: 28px;
            }

            .article-card {
                padding: 28px 24px;
            }
        }

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

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }

            .nav-link-custom {
                text-align: center;
                padding: 10px 16px;
            }

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

            .page-banner {
                padding: 48px 0 56px;
            }

            .page-banner h1 {
                font-size: 24px;
            }

            .banner-meta {
                gap: 10px 16px;
                font-size: 13px;
            }

            .article-section {
                padding: 32px 0;
            }

            .article-card {
                padding: 20px 18px;
                border-radius: 12px;
            }

            .article-sidebar {
                position: static;
                margin-top: 24px;
            }

            .cta-box {
                padding: 28px 20px;
                text-align: center;
            }

            .cta-box .text-lg-end {
                text-align: center;
                margin-top: 16px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .related-section {
                padding: 40px 0;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 12px;
            }

            .navbar-brand {
                font-size: 17px;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }

            .page-banner {
                padding: 36px 0 40px;
            }

            .page-banner h1 {
                font-size: 20px;
            }

            .breadcrumb-custom {
                font-size: 12px;
            }

            .article-card {
                padding: 16px 14px;
            }

            .sidebar-card {
                padding: 18px;
            }

            .related-card .thumb {
                height: 140px;
            }

            .cta-box h3 {
                font-size: 20px;
            }
        }

        @media (max-width: 400px) {
            .page-banner h1 {
                font-size: 18px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0d1b2e;
            --primary-light: #16283f;
            --accent: #f56b2a;
            --accent-dark: #dc4f12;
            --bg-body: #f4f6f9;
            --bg-light: #ffffff;
            --bg-soft: #eef1f5;
            --text-main: #1a2634;
            --text-muted: #66788c;
            --border: #e3e8ef;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(10, 25, 47, .06);
            --shadow-md: 0 12px 32px rgba(10, 25, 47, .10);
            --shadow-lg: 0 24px 54px rgba(10, 25, 47, .14);
            --spacer: 100px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 .5em;
            color: var(--text-main);
        }

        p {
            margin-top: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

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

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

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header & Nav ========== */
        .header {
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(10, 25, 47, .04);
        }

        .custom-navbar {
            padding: 14px 0;
            min-height: 70px;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--primary) !important;
            letter-spacing: .5px;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent), #ff8e53);
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 4px 14px rgba(245, 107, 42, .32);
        }

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

        .nav-link-custom {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            border: 1px solid transparent;
            transition: all .25s ease;
        }

        .nav-link-custom:hover {
            color: var(--accent);
            background: rgba(245, 107, 42, .06);
        }

        .nav-link-custom.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(13, 27, 46, .18);
        }

        .nav-link-custom.active:hover {
            color: #fff;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--accent);
            color: #fff !important;
            font-weight: 700;
            font-size: 14px;
            border: none;
            transition: all .25s ease;
            box-shadow: 0 6px 18px rgba(245, 107, 42, .25);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(245, 107, 42, .30);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(245, 107, 42, .20);
        }

        .navbar-toggler {
            border: none;
            padding: 6px 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler-icon {
            width: 1.4em;
            height: 1.4em;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(13,27,46,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 88px 0 92px;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(13, 27, 46, .92) 10%, rgba(13, 27, 46, .65) 55%, rgba(13, 27, 46, .35) 100%);
            z-index: 1;
        }

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

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 22px;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, .72);
        }

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

        .breadcrumb-sep {
            font-size: 12px;
            opacity: .65;
        }

        .page-hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 900;
            color: #fff;
            letter-spacing: 1px;
            margin: 10px 0 12px;
        }

        .page-hero .hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            line-height: 1.8;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            backdrop-filter: blur(8px);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: #fff;
        }

        /* ========== Stats ========== */
        .stats-section {
            padding: 50px 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .stat-card {
            text-align: center;
            padding: 16px 10px;
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-num em {
            font-style: normal;
            color: var(--accent);
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 4px;
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: 80px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .section-head .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            margin: 0;
            position: relative;
            padding-left: 16px;
        }

        .section-head .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 5px;
            border-radius: 4px;
            background: var(--accent);
        }

        .section-head .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            margin: 4px 0 0;
        }

        .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .section-more:hover {
            color: var(--accent-dark);
        }

        /* ========== Encyclopedia Categories ========== */
        .ency-section {
            background: var(--bg-body);
        }

        .ency-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            display: block;
            height: 100%;
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
        }

        .ency-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .ency-card-img {
            position: relative;
            height: 150px;
            overflow: hidden;
            background: var(--primary);
        }

        .ency-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .75;
            transition: transform .5s ease, opacity .3s ease;
        }

        .ency-card:hover .ency-card-img img {
            transform: scale(1.06);
            opacity: .9;
        }

        .ency-card-icon {
            position: absolute;
            left: 14px;
            bottom: -18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(245, 107, 42, .30);
        }

        .ency-card-body {
            padding: 26px 18px 18px;
        }

        .ency-card-body h3 {
            font-size: 1.05rem;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .ency-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .ency-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
        }

        .ency-link i {
            font-size: 11px;
            margin-left: 4px;
            transition: transform .25s ease;
        }

        .ency-card:hover .ency-link i {
            transform: translateX(4px);
        }

        /* ========== Wiki Main Layout ========== */
        .wiki-main {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .wiki-article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .wiki-article-item {
            display: flex;
            gap: 18px;
            padding: 18px;
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: all .25s ease;
        }

        .wiki-article-item:hover {
            background: #fff;
            box-shadow: var(--shadow-sm);
            border-color: rgba(245, 107, 42, .3);
        }

        .wiki-article-thumb {
            flex: 0 0 130px;
            width: 130px;
            height: 100px;
            border-radius: 10px;
            overflow: hidden;
        }

        .wiki-article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .wiki-article-info {
            flex: 1;
            min-width: 0;
        }

        .wiki-article-info .cate-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 999px;
            background: rgba(245, 107, 42, .10);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .wiki-article-info h3 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 5px;
            line-height: 1.45;
        }

        .wiki-article-info h3 a {
            color: var(--text-main);
        }

        .wiki-article-info h3 a:hover {
            color: var(--accent);
        }

        .wiki-article-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .wiki-article-meta {
            font-size: 12px;
            color: #9aa7b5;
            display: flex;
            gap: 14px;
        }

        .wiki-article-meta i {
            margin-right: 3px;
            font-size: 11px;
        }

        /* ========== Sidebar Widget ========== */
        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 22px;
            margin-bottom: 22px;
            box-shadow: var(--shadow-sm);
        }

        .widget-title {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .widget-title i {
            color: var(--accent);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-item {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--bg-soft);
            color: var(--text-muted);
            font-size: 13px;
            font-weight: 500;
            transition: all .2s ease;
            border: 1px solid transparent;
        }

        a.tag-item:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

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

        .side-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
        }

        .side-list li:last-child {
            border-bottom: none;
        }

        .side-list li a {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-list li a:hover {
            color: var(--accent);
        }

        .side-list li a i {
            font-size: 12px;
            color: var(--accent);
        }

        .side-num {
            margin-left: auto;
            background: var(--bg-soft);
            color: var(--text-muted);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 700;
        }

        .tip-card {
            background: linear-gradient(135deg, #fff7f0, #fff);
            border-radius: var(--radius-sm);
            padding: 18px;
            border-left: 4px solid var(--accent);
        }

        .tip-card i {
            color: var(--accent);
            font-size: 1.2rem;
            margin-bottom: 8px;
            display: block;
        }

        .tip-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: none;
        }

        .accordion-button {
            font-weight: 700;
            color: var(--text-main);
            padding: 18px 22px;
            background: #fff;
            border-radius: var(--radius-sm) !important;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(245, 107, 42, .06);
            color: var(--accent);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(245, 107, 42, .4);
        }

        .accordion-button::after {
            background-size: 1rem;
        }

        .accordion-body {
            padding: 8px 22px 20px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--primary) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(13, 27, 46, .86);
        }

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

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            color: #fff;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .8);
            margin-bottom: 28px;
            font-size: 15px;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-outline-light-custom {
            display: inline-block;
            padding: 12px 26px;
            border-radius: 999px;
            border: 1.5px solid rgba(255, 255, 255, .5);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: all .25s ease;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .footer {
            background: #081220;
            color: rgba(255, 255, 255, .65);
            padding: 70px 0 0;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff !important;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .5);
            margin: 12px 0 0;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links li a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
        }

        .footer-links li a:hover {
            color: var(--accent);
            padding-left: 3px;
        }

        .tag-item-static {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .7);
            font-size: 13px;
            font-weight: 500;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 24px 0;
            margin-top: 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            :root {
                --spacer: 70px;
            }
            .section-block {
                padding: 60px 0;
            }
            .wiki-article-thumb {
                flex-basis: 110px;
                width: 110px;
                height: 86px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 18px;
            }
            .page-hero {
                padding: 60px 0 64px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .section-block {
                padding: 50px 0;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .section-head .section-title {
                font-size: 1.5rem;
            }
            .wiki-main {
                padding: 18px;
            }
            .wiki-article-item {
                flex-direction: column;
                gap: 12px;
            }
            .wiki-article-thumb {
                flex-basis: auto;
                width: 100%;
                height: 150px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-inner h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.05rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: .85rem;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .hero-badges {
                gap: 6px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 5px 12px;
            }
            .stat-num {
                font-size: 1.7rem;
            }
            .stat-label {
                font-size: 13px;
            }
            .wiki-article-info h3 {
                font-size: 15px;
            }
            .wiki-article-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .ency-card-img {
                height: 120px;
            }
        }