/* roulang page: index */
:root {
            --primary: #1e3a5f;
            --primary-light: #2a4f7f;
            --primary-dark: #0f2440;
            --accent: #e8913a;
            --accent-light: #f0a85c;
            --accent-dark: #c9782e;
            --bg-light: #f8f9fc;
            --bg-dark: #0b1929;
            --text-dark: #1a2332;
            --text-muted: #5a6a7e;
            --text-light: #f0f4fa;
            --border-light: #e2e8f0;
            --border-accent: #e8913a;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.14);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: #ffffff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeIn 0.8s ease forwards;
        }
        @keyframes fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 145, 58, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 24px rgba(232, 145, 58, 0.45);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 145, 58, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(0,0,0,0.10);
        }
        .btn-white:hover {
            background: #f0f4fa;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0,0,0,0.14);
        }
        .btn-white:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.875rem;
        }
        .btn-lg {
            padding: 18px 42px;
            font-size: 1.125rem;
        }
        .badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(232, 145, 58, 0.12);
            color: var(--accent-dark);
            letter-spacing: 0.3px;
        }
        .badge-primary {
            background: var(--primary);
            color: #fff;
        }
        .badge-white {
            background: rgba(255,255,255,0.2);
            color: #fff;
        }
        .card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all 0.35s ease;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.1;
            color: var(--primary);
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(232, 145, 58, 0.10);
            color: var(--accent);
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }
        .icon-circle:hover {
            background: var(--accent);
            color: #fff;
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color 0.2s ease;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .icon {
            transition: transform 0.3s ease;
            font-size: 1.2rem;
        }
        .faq-question.open .icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 0 18px 0;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            padding: 6px 0;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-link {
            color: rgba(255,255,255,0.7);
            transition: color 0.2s ease;
            font-size: 0.9rem;
        }
        .footer-link:hover {
            color: #fff;
        }
        .hero-overlay {
            position: relative;
            background-size: cover;
            background-position: center center;
        }
        .hero-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 25, 41, 0.88) 0%, rgba(11, 25, 41, 0.55) 100%);
            z-index: 1;
        }
        .hero-overlay>* {
            position: relative;
            z-index: 2;
        }
        .grid-card {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .bg-soft {
            background-color: var(--bg-light);
        }
        .bg-primary-dark {
            background-color: var(--bg-dark);
        }
        .text-accent {
            color: var(--accent);
        }
        .border-accent {
            border-color: var(--accent);
        }
        .shadow-card {
            box-shadow: var(--shadow-sm);
        }
        .shadow-card-hover:hover {
            box-shadow: var(--shadow-md);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-padding {
                padding: 60px 0;
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-desktop {
                display: none;
                flex-direction: column;
                background: #fff;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 20px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.12);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                gap: 12px;
            }
            .nav-desktop.open {
                display: flex;
            }
            .nav-desktop .nav-link {
                padding: 10px 0;
                font-size: 1.05rem;
            }
            .nav-desktop .nav-link.active::after {
                display: none;
            }
            .nav-desktop .nav-cta-btn {
                margin-top: 8px;
                width: 100%;
                justify-content: center;
            }
            .hero-title {
                font-size: 2rem !important;
                line-height: 1.25 !important;
            }
            .hero-sub {
                font-size: 1rem !important;
            }
        }
        @media (max-width: 520px) {
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .card-img {
                height: 180px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .hero-title {
                font-size: 1.6rem !important;
            }
            .section-padding {
                padding: 32px 0;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }
        .cms-list-item {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
            transition: background 0.2s ease;
        }
        .cms-list-item:last-child {
            border-bottom: none;
        }
        .cms-list-item:hover {
            background: rgba(232, 145, 58, 0.04);
        }
        .cms-title {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-dark);
            transition: color 0.2s ease;
        }
        .cms-title:hover {
            color: var(--accent);
        }
        .cms-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .cms-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(30, 58, 95, 0.08);
            color: var(--primary);
        }
        .tag-accent {
            background: rgba(232, 145, 58, 0.12);
            color: var(--accent-dark);
        }
        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0,0,0,0.16);
            transition: all 0.3s ease;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
        }
        .scroll-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-to-top:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }
        .animate-pulse-slow {
            animation: pulseSlow 3s infinite ease-in-out;
        }
        @keyframes pulseSlow {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }
        .hero-badge {
            backdrop-filter: blur(8px);
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.20);
        }

/* roulang page: article */
:root {
            --primary: #1a3a5c;
            --primary-dark: #0f2440;
            --primary-light: #2a5a8c;
            --accent: #f5a623;
            --accent-hover: #e09515;
            --accent-light: #fef3d9;
            --bg-light: #f8f9fc;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #3d3d4a;
            --text-muted: #6b7280;
            --text-light: #9ca3af;
            --border-light: #e5e7eb;
            --border-card: #f0f0f5;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body { font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; color: var(--text-body); background: var(--bg-light); line-height: 1.7; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { cursor: pointer; border: none; background: none; font: inherit; }
        input, textarea { font: inherit; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section-padding { padding: 80px 0; }
        .section-padding-sm { padding: 50px 0; }
        .section-title { font-size: 2rem; font-weight: 800; color: var(--text-dark); line-height: 1.3; margin-bottom: 0.5rem; }
        .section-sub { font-size: 1.05rem; color: var(--text-muted); max-width: 640px; line-height: 1.7; }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
        .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 28px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 30px; font-weight: 600; font-size: 0.95rem; border-radius: var(--radius-sm); transition: var(--transition); border: 2px solid transparent; }
        .btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
        .btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,166,35,0.35); }
        .btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
        .btn-white { background: #fff; color: var(--primary); border-color: #fff; }
        .btn-white:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,166,35,0.3); }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; border-radius: 6px; }
        .btn-lg { padding: 16px 40px; font-size: 1.05rem; border-radius: var(--radius-md); }
        .card { background: var(--bg-card); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); border: 1px solid var(--border-card); transition: var(--transition); overflow: hidden; }
        .card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; background: var(--accent-light); color: var(--accent-hover); }
        .badge-primary { background: var(--primary); color: #fff; }
        .badge-white { background: rgba(255,255,255,0.2); color: #fff; backdrop-filter: blur(4px); }
        .tag { display: inline-block; padding: 4px 14px; border-radius: 6px; font-size: 0.78rem; font-weight: 500; background: var(--bg-light); color: var(--text-muted); border: 1px solid var(--border-light); transition: var(--transition); }
        .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .footer-link { color: rgba(255,255,255,0.6); transition: var(--transition); font-size: 0.9rem; }
        .footer-link:hover { color: var(--accent); padding-left: 4px; }
        .nav-link { font-weight: 500; font-size: 0.95rem; color: var(--text-body); padding: 6px 0; border-bottom: 2px solid transparent; transition: var(--transition); position: relative; }
        .nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); border-radius: 2px; }
        .nav-link:hover { color: var(--primary); }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active { color: var(--primary); font-weight: 600; }
        .nav-link.active::after { width: 100%; background: var(--accent); }
        .nav-cta-btn { margin-left: 4px; }
        .mobile-menu-toggle { display: none; font-size: 1.5rem; color: var(--primary); padding: 8px; }
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: 1fr 1fr; }
            .section-padding { padding: 60px 0; }
            .section-title { font-size: 1.75rem; }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle { display: block; }
            .nav-desktop { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px; gap: 16px; border-bottom: 2px solid var(--border-light); box-shadow: var(--shadow-lg); z-index: 100; }
            .nav-desktop.open { display: flex; }
            .nav-desktop .nav-link { font-size: 1.05rem; padding: 10px 0; }
            .nav-desktop .nav-cta-btn { width: 100%; justify-content: center; margin-top: 8px; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .section-padding { padding: 40px 0; }
            .section-padding-sm { padding: 30px 0; }
            .section-title { font-size: 1.5rem; }
            .container { padding: 0 16px; }
        }
        @media (max-width: 480px) {
            .section-title { font-size: 1.3rem; }
            .btn { padding: 10px 22px; font-size: 0.9rem; }
            .btn-lg { padding: 14px 30px; font-size: 0.95rem; }
        }
        .article-content h2 { font-size: 1.65rem; font-weight: 700; color: var(--text-dark); margin: 2rem 0 1rem; line-height: 1.4; }
        .article-content h3 { font-size: 1.3rem; font-weight: 700; color: var(--text-dark); margin: 1.8rem 0 0.8rem; line-height: 1.4; }
        .article-content p { margin-bottom: 1.2rem; color: var(--text-body); line-height: 1.85; font-size: 1.02rem; }
        .article-content ul, .article-content ol { margin: 1rem 0 1.5rem; padding-left: 1.6rem; }
        .article-content li { margin-bottom: 0.6rem; line-height: 1.75; }
        .article-content blockquote { border-left: 4px solid var(--accent); padding: 1rem 1.5rem; margin: 1.5rem 0; background: var(--accent-light); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-dark); font-style: italic; }
        .article-content img { border-radius: var(--radius-md); margin: 1.5rem auto; box-shadow: var(--shadow-sm); }
        .article-content a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 2px; }
        .article-content a:hover { color: var(--accent-hover); }
        .article-content .wp-block-image, .article-content figure { margin: 1.5rem 0; text-align: center; }
        .article-content figcaption { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.5rem; }
        .article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; }
        .article-content th, .article-content td { border: 1px solid var(--border-light); padding: 10px 14px; text-align: left; }
        .article-content th { background: var(--bg-light); font-weight: 600; color: var(--text-dark); }
        .article-content code { background: var(--bg-light); padding: 2px 8px; border-radius: 4px; font-size: 0.9em; font-family: 'JetBrains Mono', monospace; }
        .article-content pre { background: var(--text-dark); color: #e5e7eb; padding: 1.2rem 1.5rem; border-radius: var(--radius-sm); overflow-x: auto; margin: 1.5rem 0; font-size: 0.9rem; line-height: 1.6; }
        .article-content pre code { background: transparent; padding: 0; color: inherit; }
        .article-content iframe { max-width: 100%; border-radius: var(--radius-md); margin: 1.5rem 0; }
        .article-content hr { border: none; border-top: 2px solid var(--border-light); margin: 2rem 0; }
        .article-content .aligncenter { margin-left: auto; margin-right: auto; }
        .article-content .alignleft { float: left; margin-right: 1.5rem; margin-bottom: 1rem; }
        .article-content .alignright { float: right; margin-left: 1.5rem; margin-bottom: 1rem; }
        @media (max-width: 768px) {
            .article-content h2 { font-size: 1.35rem; }
            .article-content h3 { font-size: 1.15rem; }
            .article-content p { font-size: 0.98rem; }
            .article-content .alignleft, .article-content .alignright { float: none; margin: 1rem 0; }
        }
        .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-muted); }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { color: var(--text-light); }
        .breadcrumb .current { color: var(--text-dark); font-weight: 500; }
        .not-found { text-align: center; padding: 80px 20px; }
        .not-found i { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
        .not-found h2 { font-size: 1.8rem; color: var(--text-dark); margin-bottom: 12px; }
        .not-found p { color: var(--text-muted); margin-bottom: 24px; }
        .related-card .card-img { height: 200px; background-size: cover; background-position: center; }
        .related-card .card-body { padding: 18px 22px; }
        .related-card .card-body h4 { font-size: 1.05rem; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; line-height: 1.4; }
        .related-card .card-body p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }
        .faq-item { border-bottom: 1px solid var(--border-light); padding: 18px 0; }
        .faq-item:last-child { border-bottom: none; }
        .faq-question { font-weight: 600; color: var(--text-dark); font-size: 1.02rem; display: flex; justify-content: space-between; align-items: center; cursor: pointer; padding: 4px 0; }
        .faq-question i { color: var(--accent); transition: var(--transition); }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 0 0 0; color: var(--text-muted); line-height: 1.7; font-size: 0.95rem; }
        .faq-answer.open { max-height: 300px; padding: 12px 0 4px; }
        .post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; font-size: 0.9rem; color: var(--text-muted); }
        .post-meta span { display: flex; align-items: center; gap: 6px; }
        .post-meta i { color: var(--accent); }
        .post-nav { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; }
        .post-nav a { flex: 1; min-width: 200px; padding: 16px 22px; background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border-card); transition: var(--transition); }
        .post-nav a:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
        .post-nav .label { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 4px; }
        .post-nav .title { font-weight: 600; color: var(--text-dark); font-size: 0.95rem; }
        .post-nav .nav-next { text-align: right; }
        .share-btns { display: flex; gap: 10px; flex-wrap: wrap; }
        .share-btns a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-light); color: var(--text-muted); border: 1px solid var(--border-light); transition: var(--transition); font-size: 1rem; }
        .share-btns a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }
        .hero-article { position: relative; padding: 80px 0 60px; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%); overflow: hidden; }
        .hero-article::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; opacity: 0.12; mix-blend-mode: overlay; }
        .hero-article .container { position: relative; z-index: 2; }
        .hero-article h1 { font-size: 2.2rem; font-weight: 800; color: #fff; line-height: 1.3; max-width: 800px; }
        .hero-article .post-meta { color: rgba(255,255,255,0.75); }
        .hero-article .post-meta i { color: var(--accent); }
        .hero-article .badge-white { background: rgba(255,255,255,0.15); }
        @media (max-width: 768px) {
            .hero-article { padding: 50px 0 40px; }
            .hero-article h1 { font-size: 1.5rem; }
        }

/* roulang page: category1 */
:root {
            --primary: #1a2a6c;
            --primary-dark: #0f1a4a;
            --primary-light: #2a3d8f;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c9a020;
            --bg-light: #f5f7fc;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #3d3d5c;
            --text-muted: #7a7a9a;
            --border-light: #e8ecf4;
            --border-card: #eef1f8;
            --shadow-sm: 0 2px 8px rgba(26,42,108,0.06);
            --shadow-md: 0 6px 24px rgba(26,42,108,0.10);
            --shadow-lg: 0 12px 40px rgba(26,42,108,0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
        }
        * {
            margin:0;
            padding:0;
            box-sizing:border-box;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-light);
            color: var(--text-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }

        /* Navigation */
        header {
            transition: var(--transition);
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body);
            padding: 6px 2px;
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2.5px;
            background: var(--accent);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--accent);
        }
        .nav-cta-btn {
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 600;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 14px rgba(232,184,48,0.35);
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232,184,48,0.45);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            text-decoration: none;
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(232,184,48,0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(232,184,48,0.50);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.15);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 18px 44px;
            font-size: 1.1rem;
        }

        /* Cards */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Badge */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(232,184,48,0.15);
            color: var(--accent-dark);
        }
        .badge-primary {
            background: rgba(26,42,108,0.10);
            color: var(--primary);
        }
        .badge-green {
            background: rgba(16,185,129,0.12);
            color: #0d9488;
        }

        /* Section title */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px auto;
            line-height: 1.7;
        }

        /* Grid */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 28px;
        }

        /* Steps */
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary-dark);
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px auto;
            box-shadow: 0 6px 16px rgba(232,184,48,0.30);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
        }
        .faq-answer {
            margin-top: 12px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* Footer */
        .footer-link {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer-link:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        /* Hero */
        .hero-category {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232,184,48,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
        }

        /* Feature icon */
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: rgba(232,184,48,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-dark);
            transition: var(--transition);
        }
        .card:hover .feature-icon {
            background: rgba(232,184,48,0.22);
            transform: scale(1.05);
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        /* Scene card */
        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .scene-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(232,184,48,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px auto;
            font-size: 1.8rem;
            color: var(--accent-dark);
            transition: var(--transition);
        }
        .scene-card:hover .scene-icon {
            background: rgba(232,184,48,0.22);
            transform: scale(1.08);
        }

        /* Product card with rarity border */
        .product-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .product-card:hover::before {
            opacity: 1;
        }
        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .product-card .card-img {
            height: 180px;
        }
        .product-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }

        /* Stats */
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-top: 6px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-desktop {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border-light);
                padding: 16px 20px;
                flex-direction: column;
                gap: 12px;
                box-shadow: var(--shadow-md);
                z-index: 100;
            }
            .nav-desktop.open {
                display: flex;
            }
            .nav-desktop .nav-link {
                padding: 10px 0;
                font-size: 1rem;
            }
            .nav-desktop .nav-cta-btn {
                margin-top: 8px;
                justify-content: center;
            }
            .grid-2, .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .hero-category {
                min-height: 340px;
            }
            .hero-content {
                padding: 48px 0;
            }
            .stat-number {
                font-size: 2rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .hero-category {
                min-height: 300px;
            }
            .hero-content h1 {
                font-size: 1.8rem !important;
            }
            .hero-content p {
                font-size: 0.95rem !important;
            }
            .card-img {
                height: 160px;
            }
            .product-card .card-img {
                height: 160px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* Focus visible for accessibility */
        a:focus-visible, button:focus-visible, .faq-item:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* Gallery grid for scenes */
        .gallery-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .gallery-grid img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .gallery-grid img:hover {
            transform: scale(1.02);
            box-shadow: var(--shadow-sm);
        }
        @media (max-width: 520px) {
            .gallery-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Divider */
        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            border-radius: 4px;
            margin: 0 auto 20px auto;
        }

        /* Feature list with check */
        .check-list {
            list-style: none;
            padding: 0;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            font-size: 0.95rem;
            color: var(--text-body);
        }
        .check-list li i {
            color: var(--accent-dark);
            font-size: 1rem;
            margin-top: 3px;
        }