/* roulang page: index */
:root {
      --primary: #FF4D2E;
      --primary-dark: #E43A1D;
      --secondary: #13294B;
      --accent: #F9A826;
      --bg-light: #F8F9FA;
      --text: #212529;
      --text-muted: #6c757d;
      --border: #dee2e6;
      --radius: 12px;
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
      --shadow: 0 4px 16px rgba(0,0,0,0.08);
      --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
      --transition: all 0.25s ease;
    }

    * { box-sizing: border-box; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      color: var(--text);
      background-color: #ffffff;
      line-height: 1.6;
      overflow-x: hidden;
    }
    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; vertical-align: middle; }
    button, input, textarea {
      font-family: inherit;
    }

    /* Navbar */
    .navbar {
      background-color: rgba(255,255,255,0.98);
      backdrop-filter: blur(8px);
      box-shadow: var(--shadow-sm);
      padding: 0.6rem 0;
      transition: var(--transition);
    }
    .navbar-brand {
      font-weight: 700;
      font-size: 1.6rem;
      color: var(--secondary) !important;
      letter-spacing: -0.5px;
    }
    .navbar-brand span { color: var(--primary); }
    .navbar-nav .nav-link {
      font-weight: 500;
      color: var(--text);
      padding: 0.5rem 1.2rem;
      border-radius: 30px;
      margin: 0 0.2rem;
      transition: var(--transition);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--primary);
      background-color: rgba(255,77,46,0.08);
    }
    .navbar .btn-outline-primary {
      border-color: var(--primary);
      color: var(--primary);
      border-radius: 30px;
      padding: 0.5rem 1.8rem;
      font-weight: 600;
      transition: var(--transition);
    }
    .navbar .btn-outline-primary:hover {
      background-color: var(--primary);
      color: #fff;
    }
    .navbar-toggler { border: none; }
    .navbar-toggler:focus { box-shadow: none; }

    /* Hero */
    .hero {
      background: linear-gradient(135deg, #fff 0%, #f8f9fb 100%);
      padding: 5rem 0 4rem;
      overflow: hidden;
    }
    .hero h1 {
      font-size: 3.2rem;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.2;
    }
    .hero .highlight { color: var(--primary); }
    .hero .lead {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin: 1.5rem 0 2rem;
    }
    .hero .btn {
      border-radius: 30px;
      padding: 0.75rem 2.2rem;
      font-weight: 600;
      font-size: 1rem;
      transition: var(--transition);
    }
    .hero .btn-primary {
      background-color: var(--primary);
      border-color: var(--primary);
    }
    .hero .btn-primary:hover {
      background-color: var(--primary-dark);
      border-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow);
    }
    .hero .btn-outline-secondary {
      border-color: var(--secondary);
      color: var(--secondary);
    }
    .hero .btn-outline-secondary:hover {
      background-color: var(--secondary);
      color: #fff;
    }
    .hero-img {
      border-radius: 20px;
      box-shadow: var(--shadow-lg);
      object-fit: cover;
      width: 100%;
      height: auto;
      aspect-ratio: 4/3;
    }

    /* Section titles */
    .section-title {
      font-weight: 700;
      font-size: 2rem;
      color: var(--secondary);
      margin-bottom: 0.5rem;
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 1.1rem;
      margin-bottom: 3rem;
    }

    /* Feature cards */
    .feature-card {
      border: none;
      border-radius: var(--radius);
      padding: 2rem 1.5rem;
      text-align: center;
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .feature-icon {
      width: 70px;
      height: 70px;
      line-height: 70px;
      background: rgba(255,77,46,0.1);
      border-radius: 50%;
      font-size: 2rem;
      color: var(--primary);
      margin: 0 auto 1.5rem;
    }
    .feature-card h5 {
      font-weight: 700;
      color: var(--secondary);
    }

    /* Category card */
    .category-entry .card {
      border: none;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: var(--transition);
    }
    .category-entry .card:hover {
      transform: scale(1.02);
      box-shadow: var(--shadow-lg);
    }
    .category-entry .card-img-top {
      height: 220px;
      object-fit: cover;
    }
    .category-entry .card-title a {
      color: var(--secondary);
      font-weight: 700;
    }

    /* Stats */
    .stat-item {
      text-align: center;
      padding: 2rem 1rem;
    }
    .stat-number {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary);
    }
    .stat-label {
      color: var(--text-muted);
      font-weight: 500;
    }

    /* News cards */
    .news-card {
      border: none;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
    }
    .news-card .card-img-top {
      height: 180px;
      object-fit: cover;
    }
    .news-card .badge {
      background-color: var(--primary);
      font-weight: 500;
    }
    .news-card .card-title a {
      color: var(--secondary);
      font-weight: 700;
    }
    .news-card .card-title a:hover {
      color: var(--primary);
    }

    /* Steps */
    .step {
      display: flex;
      align-items: flex-start;
      gap: 1.5rem;
      margin-bottom: 2rem;
    }
    .step-number {
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      font-weight: 700;
      font-size: 1.3rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .step-text h5 {
      font-weight: 700;
      color: var(--secondary);
    }

    /* FAQ accordion */
    .accordion-button {
      font-weight: 600;
      color: var(--secondary);
      background-color: #fff;
      box-shadow: none;
      border: 1px solid var(--border);
    }
    .accordion-button:not(.collapsed) {
      color: var(--primary);
      background-color: #fff;
      border-color: var(--primary);
      box-shadow: none;
    }
    .accordion-body {
      color: var(--text-muted);
    }

    /* CTA */
    .cta-section {
      background: linear-gradient(135deg, var(--primary), #E43A1D);
      color: #fff;
      padding: 3.5rem 0;
      border-radius: var(--radius);
      text-align: center;
    }
    .cta-section h2 {
      font-weight: 800;
    }
    .cta-section .input-group {
      max-width: 500px;
      margin: 2rem auto 0;
    }
    .cta-section .form-control {
      border-radius: 30px 0 0 30px;
      border: none;
      padding: 0.8rem 1.5rem;
    }
    .cta-section .btn-warning {
      background: var(--accent);
      border: none;
      border-radius: 0 30px 30px 0;
      color: var(--secondary);
      font-weight: 700;
      padding: 0.8rem 2rem;
    }

    /* Footer */
    .footer {
      background: var(--secondary);
      color: rgba(255,255,255,0.8);
      padding: 3rem 0 1.5rem;
      font-size: 0.95rem;
    }
    .footer a {
      color: rgba(255,255,255,0.7);
      text-decoration: none;
    }
    .footer a:hover {
      color: #fff;
    }
    .footer h5 {
      color: #fff;
      font-weight: 700;
    }
    .footer .brand {
      font-size: 1.5rem;
      font-weight: 700;
      color: #fff;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero h1 { font-size: 2.5rem; }
      .hero { padding: 3rem 0 2rem; }
      .hero-img { margin-top: 2rem; }
    }
    @media (max-width: 768px) {
      .hero h1 { font-size: 2.2rem; }
      .section-title { font-size: 1.8rem; }
      .navbar-brand { font-size: 1.4rem; }
      .stat-number { font-size: 2.2rem; }
      .news-card .card-img-top { height: 200px; }
    }
    @media (max-width: 576px) {
      .hero .lead { font-size: 1rem; }
      .cta-section { padding: 2.5rem 1rem; }
      .feature-card { padding: 1.5rem; }
    }

/* roulang page: article */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #1a3359;
            --color-accent: #c8943e;
            --color-accent-hover: #b5832f;
            --color-accent-light: #f5e6cc;
            --color-bg: #f7f8fa;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #16a34a;
            --color-tag-bg: #eff6ff;
            --color-tag-text: #2563eb;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --section-gap: 60px;
            --section-gap-sm: 40px;
        }

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

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

        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: 1180px;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1240px;
            }
        }

        /* ========== NAVBAR ========== */
        .navbar {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding-top: 14px;
            padding-bottom: 14px;
            box-shadow: var(--shadow-xs);
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary) !important;
            letter-spacing: 0.5px;
        }
        .navbar-brand span {
            color: var(--color-accent);
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }
        .navbar-nav .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-border-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--color-accent);
            background: var(--color-accent-light);
            font-weight: 600;
        }
        .navbar .btn-outline-primary {
            border-color: var(--color-accent);
            color: var(--color-accent);
            font-weight: 600;
            border-radius: 50px;
            padding: 8px 22px;
            transition: all var(--transition-base);
            font-size: 0.9rem;
        }
        .navbar .btn-outline-primary:hover {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 4px 14px rgba(200, 148, 62, 0.35);
        }
        .navbar-toggler {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--color-accent-light);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrapper {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }
        .breadcrumb-custom {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
        }
        .breadcrumb-custom li+li::before {
            content: '›';
            margin: 0 8px;
            color: var(--color-text-muted);
            font-weight: 600;
        }
        .breadcrumb-custom a {
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .breadcrumb-custom a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-custom .current {
            color: var(--color-text);
            font-weight: 600;
        }

        /* ========== ARTICLE HEADER ========== */
        .article-header {
            background: var(--color-white);
            padding: 36px 0 28px;
        }
        .article-category-badge {
            display: inline-block;
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .article-category-badge:hover {
            background: var(--color-accent);
            color: #fff;
        }
        .article-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-meta i {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }

        /* ========== ARTICLE BODY LAYOUT ========== */
        .article-body-section {
            padding: 32px 0 var(--section-gap);
        }
        .article-main {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
        }
        .article-featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 28px;
            box-shadow: var(--shadow-md);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            max-height: 460px;
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-content h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-top: 32px;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent-light);
        }
        .article-content h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.2rem;
            color: var(--color-primary-light);
            margin-top: 24px;
            margin-bottom: 12px;
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-accent-light);
            padding: 18px 22px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--color-text-secondary);
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .article-content table th,
        .article-content table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-content table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .article-content table tr:nth-child(even) td {
            background: var(--color-bg);
        }

        /* ========== ARTICLE TAGS & SHARE ========== */
        .article-tags-share {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: 0.82rem;
            padding: 5px 13px;
            border-radius: 50px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .article-tag:hover {
            background: var(--color-tag-text);
            color: #fff;
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }
        .article-share a:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(200, 148, 62, 0.3);
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: sticky;
            top: 90px;
        }
        .sidebar-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 20px;
        }
        .sidebar-card h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent-light);
        }
        .sidebar-author {
            text-align: center;
        }
        .sidebar-author-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .sidebar-author-name {
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .sidebar-author-role {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }
        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .sidebar-post-item:last-child {
            border-bottom: none;
        }
        .sidebar-post-item:hover {
            background: var(--color-bg);
            margin: 0 -8px;
            padding-left: 8px;
            padding-right: 8px;
            border-radius: var(--radius-sm);
        }
        .sidebar-post-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-post-info a {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .sidebar-post-info a:hover {
            color: var(--color-accent);
        }
        .sidebar-post-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        .sidebar-cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
        }
        .sidebar-cta-card h5 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.25);
        }
        .sidebar-cta-card p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin-bottom: 16px;
        }
        .sidebar-cta-card .btn {
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            transition: all var(--transition-base);
        }
        .sidebar-cta-card .btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(200, 148, 62, 0.45);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: var(--section-gap) 0;
            background: var(--color-white);
            border-top: 1px solid var(--color-border-light);
        }
        .related-section .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--color-primary);
            margin-bottom: 32px;
            text-align: center;
        }
        .related-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            height: 100%;
            border: 1px solid transparent;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .related-card-img {
            height: 180px;
            overflow: hidden;
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.04);
        }
        .related-card-body {
            padding: 18px 20px;
        }
        .related-card-body h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card-body h6 a {
            color: var(--color-primary);
        }
        .related-card-body h6 a:hover {
            color: var(--color-accent);
        }
        .related-card-body .text-muted {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #162544 100%);
            padding: 56px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.85;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-cta {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
        }
        .cta-section .btn-cta:hover {
            background: #d4a040;
            box-shadow: 0 8px 28px rgba(200, 148, 62, 0.5);
            transform: translateY(-2px);
        }

        /* ========== NOT FOUND ========== */
        .not-found-section {
            padding: 80px 0;
            text-align: center;
        }
        .not-found-icon {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        .not-found-section h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .not-found-section p {
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }
        .not-found-section .btn-back {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-base);
        }
        .not-found-section .btn-back:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 18px rgba(200, 148, 62, 0.4);
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--color-primary);
            color: #cbd5e1;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer .brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
        }
        .footer h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .footer a {
            color: #cbd5e1;
            transition: color var(--transition-fast);
        }
        .footer a:hover {
            color: var(--color-accent);
        }
        .footer ul li {
            margin-bottom: 6px;
        }
        .footer .d-flex.gap-3 a {
            font-size: 1.3rem;
            color: #cbd5e1;
            transition: all var(--transition-fast);
        }
        .footer .d-flex.gap-3 a:hover {
            color: var(--color-accent);
        }
        .footer hr {
            border-color: rgba(255, 255, 255, 0.12);
            margin: 24px 0;
        }
        .footer small {
            color: #94a3b8;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-title {
                font-size: 1.65rem;
            }
            .article-main {
                padding: 24px 22px;
            }
            .article-content {
                font-size: 1rem;
            }
            .sidebar {
                position: static;
                margin-top: 28px;
            }
            .related-card-img {
                height: 150px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
            }
            .article-title {
                font-size: 1.4rem;
            }
            .article-header {
                padding: 24px 0 18px;
            }
            .article-main {
                padding: 18px 14px;
                border-radius: var(--radius-md);
            }
            .article-featured-image {
                border-radius: var(--radius-sm);
                margin-bottom: 18px;
            }
            .article-featured-image img {
                max-height: 260px;
            }
            .article-content {
                font-size: 0.95rem;
                line-height: 1.75;
            }
            .article-content h2 {
                font-size: 1.25rem;
                margin-top: 24px;
            }
            .article-content h3 {
                font-size: 1.05rem;
            }
            .article-tags-share {
                flex-direction: column;
                align-items: flex-start;
            }
            .sidebar-card {
                padding: 16px;
            }
            .related-card-img {
                height: 140px;
            }
            .related-section .section-title {
                font-size: 1.3rem;
                margin-bottom: 20px;
            }
            .cta-section {
                padding: 36px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .footer {
                text-align: center;
            }
            .footer .col-md-2,
            .footer .col-md-3,
            .footer .col-md-4 {
                margin-bottom: 20px;
            }
        }
        @media (max-width: 520px) {
            .article-title {
                font-size: 1.2rem;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }
            .article-main {
                padding: 14px 10px;
                border-radius: var(--radius-sm);
            }
            .article-content {
                font-size: 0.9rem;
            }
            .article-content h2 {
                font-size: 1.1rem;
            }
            .breadcrumb-custom {
                font-size: 0.78rem;
            }
            .related-card-img {
                height: 120px;
            }
            .navbar-brand {
                font-size: 1.15rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0f1a2e;
            --color-primary-rgb: 15, 26, 46;
            --color-primary-light: #1a3050;
            --color-primary-lighter: #1e3d66;
            --color-accent: #c9a84c;
            --color-accent-rgb: 201, 168, 76;
            --color-accent-light: #d4b860;
            --color-accent-dark: #b8933a;
            --color-red-accent: #c0392b;
            --color-bg: #f6f4f0;
            --color-bg-alt: #edebe6;
            --color-surface: #ffffff;
            --color-surface-hover: #fafaf8;
            --color-text: #1a1a1a;
            --color-text-secondary: #4a4a4a;
            --color-text-muted: #7a7a7a;
            --color-text-light: #9a9a9a;
            --color-border: #e0ddd6;
            --color-border-light: #ece9e2;
            --color-nav-bg: #0f1a2e;
            --color-nav-text: #e8e6e0;
            --color-nav-hover: #c9a84c;
            --radius-xs: 4px;
            --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 2px 6px 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: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, sans-serif;
            --bs-primary: #0f1a2e;
            --bs-primary-rgb: 15, 26, 46;
            --bs-secondary: #c9a84c;
            --bs-secondary-rgb: 201, 168, 76;
            --bs-body-bg: #f6f4f0;
            --bs-body-color: #1a1a1a;
            --bs-link-color: #0f1a2e;
            --bs-link-hover-color: #c9a84c;
            --bs-border-color: #e0ddd6;
            --bs-border-radius: 8px;
            --bs-border-radius-lg: 12px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 1400px) {
            .container {
                max-width: 1260px;
            }
        }

        main {
            flex: 1 0 auto;
        }

        /* ========== NAVBAR ========== */
        .navbar {
            background-color: var(--color-nav-bg) !important;
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.18);
            z-index: 1030;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .navbar .container {
            display: flex;
            align-items: center;
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #ffffff !important;
            white-space: nowrap;
            padding: 0.25rem 0;
            transition: color var(--transition-base);
            text-decoration: none;
        }

        .navbar-brand span {
            color: var(--color-accent);
            font-weight: 800;
        }

        .navbar-brand:hover {
            color: #e8e6e0 !important;
        }

        .navbar-brand:hover span {
            color: var(--color-accent-light);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 0.35rem 0.6rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            background: transparent;
        }

        .navbar-toggler:hover {
            border-color: var(--color-accent);
            background: rgba(201, 168, 76, 0.08);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.2);
            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(255, 255, 255, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 1.4em;
            height: 1.4em;
        }

        .navbar-nav {
            gap: 0.25rem;
        }

        .navbar-nav .nav-link {
            color: var(--color-nav-text) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.6rem 1.05rem !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--color-accent) !important;
            background: rgba(255, 255, 255, 0.04);
        }

        .navbar-nav .nav-link.active {
            color: var(--color-accent) !important;
            background: rgba(201, 168, 76, 0.10);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .navbar .btn-outline-primary {
            color: var(--color-accent) !important;
            border-color: var(--color-accent) !important;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 1.35rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
            background: transparent;
        }

        .navbar .btn-outline-primary:hover {
            background: var(--color-accent) !important;
            color: #0f1a2e !important;
            border-color: var(--color-accent) !important;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
        }

        .navbar .btn-outline-primary:active {
            transform: scale(0.97);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--color-nav-bg);
                border-radius: var(--radius-md);
                padding: 0.8rem 1rem;
                margin-top: 0.5rem;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }

            .navbar-nav .nav-link {
                padding: 0.7rem 1rem !important;
            }

            .navbar-nav .nav-link.active::after {
                bottom: 4px;
                left: 1rem;
                transform: none;
                width: 22px;
            }

            .navbar .btn-outline-primary {
                margin-top: 0.5rem;
                width: 100%;
                text-align: center;
            }
        }

        /* ========== CATEGORY BANNER ========== */
        .category-banner {
            position: relative;
            padding: 4.5rem 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.88) 0%, rgba(15, 26, 46, 0.72) 50%, rgba(15, 26, 46, 0.55) 100%);
            z-index: 1;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            z-index: 2;
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 3;
        }

        .category-banner .breadcrumb {
            margin-bottom: 1rem;
            --bs-breadcrumb-divider-color: rgba(255, 255, 255, 0.6);
        }

        .category-banner .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.8);
            font-weight: 400;
            transition: color var(--transition-base);
            text-decoration: none;
        }

        .category-banner .breadcrumb-item a:hover {
            color: var(--color-accent);
        }

        .category-banner .breadcrumb-item.active {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }

        .category-banner .banner-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: 0.75rem;
            line-height: 1.2;
        }

        .category-banner .banner-title .accent {
            color: var(--color-accent);
            position: relative;
        }

        .category-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 540px;
            line-height: 1.6;
        }

        .category-banner .banner-stats {
            display: flex;
            gap: 2rem;
            margin-top: 1.5rem;
        }

        .category-banner .banner-stat {
            text-align: left;
        }

        .category-banner .banner-stat .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .category-banner .banner-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 0.25rem;
        }

        @media (max-width: 991.98px) {
            .category-banner {
                padding: 3rem 0;
                min-height: 260px;
            }

            .category-banner .banner-title {
                font-size: 2.2rem;
            }

            .category-banner .banner-stats {
                gap: 1.25rem;
                flex-wrap: wrap;
            }

            .category-banner .banner-stat .stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 575.98px) {
            .category-banner {
                padding: 2.5rem 0;
                min-height: 220px;
            }

            .category-banner .banner-title {
                font-size: 1.7rem;
            }

            .category-banner .banner-subtitle {
                font-size: 0.95rem;
            }

            .category-banner .banner-stats {
                gap: 1rem;
            }

            .category-banner .banner-stat .stat-number {
                font-size: 1.3rem;
            }

            .category-banner .banner-stat .stat-label {
                font-size: 0.75rem;
            }
        }

        /* ========== SECTION STYLES ========== */
        .section {
            padding: 3.5rem 0;
        }

        .section-alt {
            background-color: var(--color-surface);
        }

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

        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            background: rgba(201, 168, 76, 0.10);
            padding: 0.35rem 0.9rem;
            border-radius: 50px;
            margin-bottom: 0.75rem;
        }

        .section-header .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            line-height: 1.3;
        }

        .section-header .section-desc {
            color: var(--color-text-secondary);
            font-size: 1rem;
            margin-top: 0.5rem;
            max-width: 600px;
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 2.5rem 0;
            }

            .section-header .section-title {
                font-size: 1.5rem;
            }

            .section-header {
                margin-bottom: 1.8rem;
            }
        }

        /* ========== ARTICLE CARD ========== */
        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-slow);
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-xs);
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .article-card .card-img-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8e5df;
        }

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

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

        .article-card .card-tag {
            position: absolute;
            top: 0.8rem;
            left: 0.8rem;
            z-index: 2;
            background: var(--color-accent);
            color: #0f1a2e;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 0.28rem 0.7rem;
            border-radius: 50px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .article-card .card-tag.hot {
            background: var(--color-red-accent);
            color: #ffffff;
        }

        .article-card .card-body-inner {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card .card-title {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.45;
            margin-bottom: 0.6rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-base);
        }

        .article-card:hover .card-title {
            color: var(--color-accent-dark);
        }

        .article-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }

        .article-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            padding-top: 0.75rem;
            border-top: 1px solid var(--color-border-light);
        }

        .article-card .card-meta .meta-date i {
            margin-right: 0.3rem;
            color: var(--color-accent);
            font-size: 0.7rem;
        }

        .article-card .card-meta .meta-read {
            color: var(--color-accent-dark);
            font-weight: 600;
            transition: color var(--transition-base);
            font-size: 0.82rem;
        }

        .article-card:hover .card-meta .meta-read {
            color: var(--color-primary);
        }

        /* ========== FEATURED CARD (HORIZONTAL) ========== */
        .featured-card {
            display: flex;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-xs);
            height: 100%;
        }

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

        .featured-card .featured-img {
            flex: 0 0 280px;
            overflow: hidden;
            background: #e8e5df;
            position: relative;
            min-height: 200px;
        }

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

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

        .featured-card .featured-img .featured-badge {
            position: absolute;
            top: 0.8rem;
            left: 0.8rem;
            background: var(--color-red-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.25rem 0.65rem;
            border-radius: 50px;
            letter-spacing: 0.05em;
            z-index: 2;
        }

        .featured-card .featured-body {
            flex: 1;
            padding: 1.5rem 1.5rem 1.5rem 1.75rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card .featured-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            opacity: 0.35;
            margin-bottom: 0.3rem;
            letter-spacing: -0.04em;
        }

        .featured-card .featured-title {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 0.5rem;
            transition: color var(--transition-base);
        }

        .featured-card:hover .featured-title {
            color: var(--color-accent-dark);
        }

        .featured-card .featured-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0.75rem;
        }

        .featured-card .featured-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 767.98px) {
            .featured-card {
                flex-direction: column;
            }

            .featured-card .featured-img {
                flex: 0 0 auto;
                aspect-ratio: 16 / 9;
                min-height: auto;
            }

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

            .featured-card .featured-number {
                font-size: 1.8rem;
            }

            .featured-card .featured-title {
                font-size: 1.1rem;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 2.5rem;
        }

        .pagination-custom {
            display: flex;
            gap: 0.35rem;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
            justify-content: center;
        }

        .pagination-custom .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 0.75rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--color-text);
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }

        .pagination-custom .page-link:hover {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
        }

        .pagination-custom .page-link.active {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
            font-weight: 700;
            box-shadow: var(--shadow-sm);
        }

        .pagination-custom .page-link.disabled {
            opacity: 0.4;
            pointer-events: none;
            background: var(--color-bg-alt);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            padding: 3.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section .cta-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 1.75rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-form {
            display: flex;
            gap: 0.6rem;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-section .cta-input {
            flex: 1 1 260px;
            padding: 0.75rem 1.2rem;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            min-width: 200px;
        }

        .cta-section .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-section .cta-input:focus {
            outline: none;
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.18);
        }

        .cta-section .cta-btn {
            padding: 0.75rem 1.8rem;
            border-radius: 50px;
            background: var(--color-accent);
            color: #0f1a2e;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .cta-section .cta-btn:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 22px rgba(201, 168, 76, 0.35);
            transform: translateY(-2px);
        }

        .cta-section .cta-btn:active {
            transform: scale(0.96);
        }

        @media (max-width: 575.98px) {
            .cta-section {
                padding: 2.5rem 0;
            }

            .cta-section .cta-title {
                font-size: 1.5rem;
            }

            .cta-section .cta-desc {
                font-size: 0.9rem;
            }

            .cta-section .cta-form {
                flex-direction: column;
            }

            .cta-section .cta-btn {
                width: 100%;
            }
        }

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

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 1.15rem 1.4rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color var(--transition-base);
            line-height: 1.5;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-text-muted);
            transition: all var(--transition-base);
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            background: var(--color-accent);
            color: #0f1a2e;
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 1.4rem 1.2rem;
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        .faq-answer.collapse:not(.show) {
            display: none;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 1.5rem;
            margin-top: auto;
            flex-shrink: 0;
        }

        .footer .brand {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
        }

        .footer h5 {
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        .footer p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .footer ul {
            padding: 0;
            margin: 0;
        }

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

        .footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-base);
            text-decoration: none;
        }

        .footer ul li a:hover {
            color: var(--color-accent);
        }

        .footer .d-flex.gap-3 a {
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition-base);
            font-size: 1.3rem;
            text-decoration: none;
        }

        .footer .d-flex.gap-3 a:hover {
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .footer hr {
            border-color: rgba(255, 255, 255, 0.1);
            margin: 2rem 0 1.25rem;
            opacity: 1;
        }

        .footer small {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }

        @media (max-width: 767.98px) {
            .footer {
                padding: 2.5rem 0 1.25rem;
                text-align: center;
            }

            .footer .d-flex.gap-3 {
                justify-content: center;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent) !important;
        }

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

        .overflow-hidden {
            overflow: hidden;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.5s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }