/* roulang page: index */
:root {
            --bg-deep: #0A2E1C;
            --bg-forest: #123E25;
            --bg-dark: #0B2416;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A7C9BC;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-lg: 0 18px 40px rgba(0,0,0,0.45);
            --radius: 16px;
            --radius-sm: 10px;
            --space: 1rem;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            color: var(--text-white);
            background: var(--bg-deep);
            background-image: radial-gradient(circle at 20% 10%, rgba(255,215,0,0.05) 0%, transparent 30%), radial-gradient(circle at 80% 90%, rgba(18,62,37,0.8) 0%, transparent 40%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        a { color: var(--accent-gold); text-decoration: none; transition: all .2s; }
        a:hover { color: #FFE55C; }
        img { max-width: 100%; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
        /* Header/Nav */
        header {
            position: sticky; top: 0; z-index: 60;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,215,0,0.18);
        }
        .nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: .8rem 0; }
        .logo { font-weight: 800; font-size: 1.05rem; letter-spacing: .2px; color: var(--text-white); line-height: 1.3; display: flex; align-items: center; gap: .55rem; }
        .logo .logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, #FFD700, #B8860B); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #0A2E1C; font-size: 1.2rem; flex-shrink: 0; }
        .nav-links { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; }
        .nav-links a {
            color: var(--text-mint); font-weight: 600; font-size: .92rem;
            padding: .55rem 1rem; border-radius: 999px; transition: all .2s; white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a.active { background: rgba(255,215,0,0.14); color: var(--accent-gold); }
        .nav-auth { display: flex; align-items: center; gap: .6rem; margin-left: auto; }
        .btn-login { color: var(--text-mint); font-weight: 600; font-size: .9rem; padding: .55rem .9rem; border-radius: 999px; }
        .btn-login:hover { color: var(--accent-gold); background: rgba(255,255,255,0.06); }
        .btn-signup {
            background: linear-gradient(135deg, #FFD700, #E6A800); color: #0A2E1C;
            font-weight: 700; font-size: .9rem; padding: .55rem 1.25rem; border-radius: 999px;
            box-shadow: 0 6px 18px rgba(255,215,0,0.25); transition: all .2s;
        }
        .btn-signup:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255,215,0,0.4); color: #0A2E1C; }
        .menu-toggle { display: none; background: none; border: none; color: var(--text-white); font-size: 1.5rem; cursor: pointer; }
        /* Hero */
        .hero {
            position: relative; padding: 4rem 0 3rem; overflow: hidden;
            background-image: linear-gradient(rgba(10,46,28,0.75), rgba(10,46,28,0.88)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover; background-position: center;
            border-bottom: 1px solid rgba(255,215,0,0.15);
        }
        .hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; position: relative; z-index: 2; }
        .hero-tag { display: inline-flex; align-items: center; gap: .5rem; background: rgba(255,215,0,0.15); color: var(--accent-gold); padding: .45rem 1.1rem; border-radius: 999px; font-weight: 600; font-size: .85rem; margin-bottom: 1.25rem; border: 1px solid rgba(255,215,0,0.3); }
        .hero h1 { font-size: 2.9rem; line-height: 1.15; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 1.4rem; color: var(--text-white); }
        .hero h1 .highlight { color: var(--accent-gold); text-shadow: 0 0 30px rgba(255,215,0,0.4); }
        .hero-sub { color: var(--text-mint); font-size: 1.08rem; line-height: 1.7; margin-bottom: 2rem; max-width: 540px; }
        .hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; }
        .btn-primary {
            background: linear-gradient(135deg, #FFD700, #E6A800); color: #0A2E1C;
            font-weight: 800; font-size: 1rem; padding: .9rem 2rem; border-radius: 999px;
            box-shadow: 0 10px 28px rgba(255,215,0,0.35); transition: all .25s; border: none; cursor: pointer; display: inline-flex; align-items: center; gap: .5rem;
        }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(255,215,0,0.5); color: #0A2E1C; }
        .btn-outline {
            background: transparent; color: var(--text-white); border: 1.5px solid rgba(255,215,0,0.6);
            font-weight: 700; font-size: 1rem; padding: .9rem 2rem; border-radius: 999px; transition: all .25s; cursor: pointer; display: inline-flex; align-items: center; gap: .5rem;
        }
        .btn-outline:hover { background: rgba(255,215,0,0.12); border-color: var(--accent-gold); }
        .hero-stats { display: flex; gap: 2rem; flex-wrap: wrap; }
        .hero-stat { text-align: left; }
        .hero-stat .num { font-size: 1.9rem; font-weight: 800; color: var(--accent-gold); line-height: 1; }
        .hero-stat .label { font-size: .85rem; color: var(--text-muted); margin-top: .3rem; }
        .hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
        .hero-visual-card {
            background: rgba(18,62,37,0.75); border: 1px solid rgba(255,215,0,0.25);
            border-radius: 22px; padding: 1.8rem; backdrop-filter: blur(10px);
            box-shadow: var(--shadow-lg); width: 100%; max-width: 420px; text-align: left;
        }
        .hero-visual-card h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 1rem; color: var(--accent-gold); }
        .hero-visual-card p { color: var(--text-mint); font-size: .98rem; margin-bottom: .8rem; }
        .countdown-bar { display: flex; align-items: center; gap: 1rem; background: rgba(10,46,28,0.9); border: 1px solid rgba(255,215,0,0.3); border-radius: 999px; padding: .7rem 1.5rem; margin-top: 2rem; backdrop-filter: blur(10px); flex-wrap: wrap; }
        .countdown-bar span { font-weight: 700; color: var(--text-mint); }
        .countdown-bar .timer { color: var(--accent-gold); font-weight: 800; font-size: 1.15rem; letter-spacing: 1px; }
        /* Section Common */
        section { padding: 4rem 0; }
        .section-title { font-size: 2.1rem; font-weight: 800; line-height: 1.25; margin-bottom: 1rem; color: var(--text-white); }
        .section-desc { color: var(--text-muted); font-size: 1.05rem; max-width: 720px; line-height: 1.7; margin-bottom: 2.5rem; }
        .text-left-aligned { text-align: left; }
        /* Category Entry */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
        .category-card {
            background: rgba(18,62,37,0.55); border: 1px solid rgba(255,215,0,0.2);
            border-radius: var(--radius); overflow: hidden; transition: all .3s; text-align: left;
        }
        .category-card:hover { transform: translateY(-6px); border-color: var(--accent-gold); box-shadow: var(--shadow-gold); }
        .category-card img { height: 180px; width: 100%; object-fit: cover; }
        .category-card-body { padding: 1.5rem; }
        .category-card-body h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: .6rem; color: var(--text-white); }
        .category-card-body p { color: var(--text-muted); font-size: .95rem; margin-bottom: 1rem; }
        .category-link { font-weight: 700; color: var(--accent-gold); display: inline-flex; align-items: center; gap: .4rem; }
        /* Content / Resource List */
        .resource-section { background: rgba(11,36,22,0.5); border-radius: 28px; padding: 3rem 2rem; }
        .resource-list { display: flex; flex-direction: column; gap: 1rem; }
        .resource-item {
            display: flex; align-items: center; gap: 1.2rem; background: rgba(255,255,255,0.04);
            border-radius: var(--radius-sm); padding: 1.2rem 1.5rem; transition: all .2s; border-left: 3px solid transparent;
        }
        .resource-item:hover { background: rgba(255,215,0,0.07); border-left-color: var(--accent-gold); }
        .resource-icon { width: 46px; height: 46px; background: rgba(255,215,0,0.15); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent-gold); font-size: 1.2rem; flex-shrink: 0; }
        .resource-item h4 { font-size: 1.08rem; font-weight: 700; color: var(--text-white); margin-bottom: .2rem; }
        .resource-item p { color: var(--text-muted); font-size: .92rem; }
        /* News List */
        .news-section { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2.5rem; }
        .news-main { text-align: left; }
        .news-list { display: flex; flex-direction: column; gap: .8rem; }
        .news-list-item {
            display: flex; align-items: center; gap: 1rem; padding: 1rem 1.2rem;
            background: rgba(255,255,255,0.04); border-radius: var(--radius-sm); transition: all .2s; border-left: 3px solid transparent;
        }
        .news-list-item:hover { background: rgba(255,215,0,0.07); border-left-color: var(--accent-gold); }
        .news-list-item .news-date { font-size: .8rem; color: var(--text-muted); white-space: nowrap; }
        .news-list-item a { font-weight: 600; color: var(--text-white); }
        .news-list-item a:hover { color: var(--accent-gold); }
        .news-side { text-align: left; }
        .news-side-card { background: rgba(18,62,37,0.55); border: 1px solid rgba(255,215,0,0.2); border-radius: var(--radius); padding: 1.8rem; }
        .news-side-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--accent-gold); margin-bottom: 1rem; }
        .news-side-card ul { list-style: none; }
        .news-side-card ul li { padding: .6rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
        .news-side-card ul li a { color: var(--text-mint); font-size: .95rem; }
        .news-side-card ul li a:hover { color: var(--accent-gold); }
        /* Timeline */
        .timeline { position: relative; padding-left: 2rem; border-left: 2px solid rgba(255,215,0,0.25); }
        .timeline-item { margin-bottom: 2rem; position: relative; }
        .timeline-item::before { content: ''; position: absolute; left: -2.45rem; top: .4rem; width: 14px; height: 14px; border-radius: 50%; background: var(--accent-gold); box-shadow: 0 0 16px rgba(255,215,0,0.5); }
        .timeline-item .time { font-size: .85rem; color: var(--accent-gold); font-weight: 700; margin-bottom: .3rem; }
        .timeline-item h4 { font-size: 1.15rem; font-weight: 700; color: var(--text-white); margin-bottom: .4rem; }
        .timeline-item p { color: var(--text-muted); font-size: .95rem; }
        /* Changelog */
        .changelog { background: rgba(11,36,22,0.6); border-radius: 28px; padding: 3rem 2rem; }
        .changelog-item { display: flex; gap: 1.5rem; padding: 1.2rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
        .changelog-item:last-child { border-bottom: none; }
        .changelog-version { flex-shrink: 0; background: rgba(255,215,0,0.15); color: var(--accent-gold); font-weight: 700; padding: .3rem .9rem; border-radius: 999px; font-size: .85rem; }
        .changelog-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-white); margin-bottom: .3rem; }
        .changelog-item p { color: var(--text-muted); font-size: .95rem; }
        /* FAQ */
        .faq-list { display: flex; flex-direction: column; gap: .9rem; }
        .faq-item { background: rgba(18,62,37,0.5); border: 1px solid rgba(255,215,0,0.2); border-radius: var(--radius-sm); overflow: hidden; }
        .faq-question { width: 100%; text-align: left; padding: 1.2rem 1.5rem; background: none; border: none; color: var(--text-white); font-weight: 700; font-size: 1.05rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
        .faq-question:hover { color: var(--accent-gold); }
        .faq-answer { padding: 0 1.5rem 1.3rem; color: var(--text-muted); font-size: .98rem; line-height: 1.7; display: none; }
        .faq-item.active .faq-answer { display: block; }
        .faq-item.active .faq-question { color: var(--accent-gold); }
        .faq-item.active .faq-icon { transform: rotate(180deg); }
        .faq-icon { transition: transform .3s; color: var(--accent-gold); }
        /* CTA */
        .cta-band { background: linear-gradient(135deg, #123E25, #0A2E1C); border: 1px solid rgba(255,215,0,0.3); border-radius: 28px; padding: 3rem 2.5rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; }
        .cta-band h2 { font-size: 1.9rem; font-weight: 800; color: var(--text-white); margin-bottom: .6rem; }
        .cta-band p { color: var(--text-mint); font-size: 1.05rem; max-width: 500px; }
        /* Footer */
        footer { background: #081F12; border-top: 1px solid rgba(255,215,0,0.2); padding: 3rem 0 2rem; margin-top: 2rem; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
        .footer-brand p { color: var(--text-muted); font-size: .95rem; margin-top: 1rem; max-width: 360px; }
        .footer-col h4 { color: var(--text-white); font-weight: 700; font-size: 1.05rem; margin-bottom: 1rem; }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: .55rem; }
        .footer-col ul li a { color: var(--text-muted); font-size: .92rem; }
        .footer-col ul li a:hover { color: var(--accent-gold); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; color: var(--text-muted); font-size: .85rem; }
        /* FAB */
        .fab {
            position: fixed; left: 1rem; bottom: 6rem; z-index: 70;
            width: 54px; height: 54px; border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1a3a28, #0A2E1C);
            border: 3px solid var(--accent-gold);
            display: flex; align-items: center; justify-content: center;
            color: var(--accent-gold); font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            opacity: 0.7; cursor: pointer; transition: all .3s;
            animation: floatSlow 3s ease-in-out infinite;
        }
        .fab:hover { opacity: 1; transform: scale(1.1); box-shadow: 0 8px 28px rgba(255,215,0,0.5); }
        .fab::after { content: ''; position: absolute; top: 4px; right: 4px; width: 10px; height: 10px; background: #FF0044; border-radius: 50%; animation: blink 1.4s infinite; }
        @keyframes floatSlow { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
        @keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.2; } }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
            .hero-visual { justify-content: flex-start; }
            .hero-visual-card { max-width: 100%; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .news-section { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(10,46,28,0.98); flex-direction: column; padding: 1rem 1.5rem; border-bottom: 1px solid rgba(255,215,0,0.2); }
            .nav-links.open { display: flex; }
            .menu-toggle { display: block; }
            .nav-auth { margin-left: 0; }
            .hero h1 { font-size: 2.1rem; }
            section { padding: 3rem 0; }
            .category-grid { grid-template-columns: 1fr; }
            .resource-section, .changelog { padding: 2rem 1.2rem; }
            .cta-band { padding: 2rem 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .fab { left: .8rem; bottom: 5rem; width: 48px; height: 48px; font-size: 1.2rem; }
        }
        @media (max-width: 520px) {
            .hero { padding: 3rem 0 2rem; }
            .hero h1 { font-size: 1.75rem; }
            .hero-sub { font-size: .98rem; }
            .btn-primary, .btn-outline { font-size: .9rem; padding: .8rem 1.4rem; }
            .hero-stats { gap: 1.2rem; }
            .hero-stat .num { font-size: 1.5rem; }
            .section-title { font-size: 1.7rem; }
            .countdown-bar { flex-direction: column; align-items: flex-start; gap: .4rem; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9FBFB0;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-subtle: rgba(255, 215, 0, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            background: rgba(10, 46, 28, 0.98);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 16px 0;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            color: #0A2E1C;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-mint);
            position: relative;
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
        }
        .nav-links a.active {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }
        .btn-login {
            padding: 9px 18px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-gold);
            border: 1.5px solid var(--border-gold);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
        }
        .btn-signup {
            padding: 9px 22px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 0.9rem;
            color: #0A2E1C;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.4);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.55);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.15);
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 4px;
            }
            .nav-links a {
                padding: 6px 12px;
                font-size: 0.88rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 12px 0;
                gap: 10px;
            }
            .logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.99);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 24px;
                border-bottom: 2px solid var(--border-gold);
                display: none;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 12px;
            }
            .nav-auth {
                margin-left: 0;
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 400px) {
            .logo span:last-child {
                font-size: 0.85rem;
            }
            .btn-login, .btn-signup {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 20px 0 0;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-mint);
            font-weight: 600;
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--border-gold);
        }

        /* Article Hero */
        .article-hero {
            padding: 48px 0 32px;
        }
        .article-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 20px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--text-white);
        }
        .article-hero .hero-excerpt {
            font-size: 1.15rem;
            line-height: 1.7;
            color: var(--text-mint);
            max-width: 820px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-meta i {
            color: var(--accent-gold);
            margin-right: 6px;
        }
        @media (max-width: 768px) {
            .article-hero {
                padding: 32px 0 24px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-hero .hero-excerpt {
                font-size: 1rem;
            }
        }

        /* Article Body */
        .article-body {
            padding: 32px 0 56px;
        }
        .article-body-inner {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }
        .article-main {
            min-width: 0;
        }
        .article-main .content {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-mint);
        }
        .article-main .content h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin: 32px 0 16px;
            letter-spacing: -0.01em;
        }
        .article-main .content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 24px 0 12px;
        }
        .article-main .content p {
            margin-bottom: 16px;
        }
        .article-main .content ul, .article-main .content ol {
            margin: 0 0 20px 24px;
        }
        .article-main .content li {
            margin-bottom: 8px;
        }
        .article-main .content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }
        .article-main .content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-mint);
        }
        .article-main .content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }
        .article-main .content table th {
            background: var(--bg-secondary);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 2px solid var(--border-gold);
        }
        .article-main .content table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-subtle);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
        }
        .sidebar-widget h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .sidebar-widget ul {
            list-style: none;
        }
        .sidebar-widget ul li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.06);
        }
        .sidebar-widget ul li:last-child {
            border-bottom: none;
        }
        .sidebar-widget ul li a {
            color: var(--text-mint);
            font-size: 0.95rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget ul li a:hover {
            color: var(--accent-gold);
        }
        .sidebar-widget ul li a i {
            font-size: 0.7rem;
            color: var(--accent-gold);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(211, 47, 47, 0.15));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
        }
        .sidebar-cta i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .sidebar-cta h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-bottom: 16px;
        }
        .sidebar-cta .btn-signup {
            display: inline-block;
            width: 100%;
            text-align: center;
            padding: 12px 20px;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            .article-body-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-sidebar {
                position: static;
            }
        }

        /* Not Found */
        .not-found {
            text-align: center;
            padding: 80px 0;
        }
        .not-found i {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: 24px;
        }
        .not-found h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .not-found p {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }
        .not-found .btn-signup {
            display: inline-block;
            padding: 14px 32px;
            font-size: 1rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            border-top: 1px solid var(--border-subtle);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-gold);
        }
        .cta-text h2 {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        .cta-text p {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 600px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 0;
            }
            .cta-inner {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-text h2 {
                font-size: 1.5rem;
            }
            .cta-actions {
                justify-content: center;
            }
        }

        /* Footer */
        .site-footer {
            background: #061E12;
            border-top: 2px solid var(--border-gold);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-mint);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0A2E1C, #123E25);
            border: 3px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: var(--transition);
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }
        .fab-support:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-support .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0033;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blinkDot 2s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        @media (max-width: 768px) {
            .fab-support {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                bottom: 80px;
                left: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0B3C25;
            --secondary-bg: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: #9BB8A8;
            --border-soft: rgba(255, 204, 0, 0.25);
            --shadow-soft: 0 8px 24px rgba(0,0,0,0.2);
            --radius-md: 16px;
            --radius-lg: 24px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* Header & Nav */
        header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(6, 35, 21, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 0.85rem 0;
            gap: 0.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--accent-gold);
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .logo-icon {
            background: var(--accent-gold);
            color: var(--secondary-bg);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s, transform 0.2s;
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }
        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            padding: 0.5rem 0.9rem;
            transition: opacity 0.2s;
        }
        .btn-login:hover {
            opacity: 0.8;
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--secondary-bg);
            font-weight: 800;
            font-size: 0.9rem;
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(255, 204, 0, 0.3);
            transition: transform 0.2s, background 0.2s;
        }
        .btn-signup:hover {
            background: #FFD633;
            transform: translateY(-2px);
        }
        /* Hero */
        .hero-category {
            position: relative;
            background-image: linear-gradient(180deg, rgba(6,35,21,0.85), rgba(11,60,37,0.95)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 5rem 0 4rem;
            border-bottom: 1px solid var(--border-soft);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 2rem;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.3;
            color: var(--accent-gold);
            letter-spacing: -0.01em;
            margin-bottom: 1rem;
        }
        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin-bottom: 1.5rem;
        }
        .hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--accent-gold);
            color: var(--secondary-bg);
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 800;
            text-decoration: none;
            transition: all 0.2s;
            box-shadow: 0 6px 16px rgba(255,204,0,0.25);
        }
        .btn-primary:hover {
            background: #FFD633;
            transform: translateY(-3px);
        }
        .btn-outline {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.2s;
        }
        .btn-outline:hover {
            background: rgba(255,204,0,0.1);
        }
        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .hero-image-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-soft);
        }
        .hero-image-card img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }
        .quick-stats {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .stat-badge {
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(8px);
            padding: 0.7rem 1.2rem;
            border-radius: 30px;
            border: 1px solid var(--border-soft);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .stat-badge i {
            color: var(--accent-lime);
        }
        /* Main Sections */
        main {
            display: block;
        }
        .section {
            padding: 4rem 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 700px;
            margin-bottom: 2.5rem;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }
        .card {
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 30px rgba(0,0,0,0.35);
            border-color: rgba(255, 204, 0, 0.5);
        }
        .card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
        }
        .card p {
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .card-icon {
            font-size: 2rem;
            color: var(--accent-lime);
            margin-bottom: 0.8rem;
        }
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1rem;
        }
        .step-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            background: rgba(255,255,255,0.03);
            padding: 1.2rem 1.4rem;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--accent-gold);
        }
        .step-number {
            background: var(--accent-gold);
            color: var(--secondary-bg);
            font-weight: 900;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-item h4 {
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }
        .step-item p {
            color: var(--text-muted);
            font-size: 0.92rem;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            border: 1px solid rgba(255,255,255,0.06);
            transition: background 0.2s;
        }
        .faq-item:hover {
            background: rgba(255,255,255,0.07);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }
        .faq-answer {
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(255,204,0,0.15), rgba(50,205,50,0.1));
            border-radius: var(--radius-lg);
            padding: 3rem;
            border: 1px solid var(--border-soft);
            text-align: left;
        }
        .cta-box h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
        }
        .cta-box p {
            color: var(--text-light);
            margin-bottom: 1.5rem;
            max-width: 650px;
        }
        /* Footer */
        footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-soft);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 0.8rem;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col a {
            color: var(--text-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.2rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 5rem;
            z-index: 60;
            background: var(--secondary-bg);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
            transition: all 0.25s;
            text-decoration: none;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255,215,0,0.45);
        }
        .fab .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            background: #D32F2F;
            border-radius: 50%;
            width: 14px;
            height: 14px;
            border: 2px solid var(--secondary-bg);
        }
        @keyframes float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
            100% { transform: translateY(0); }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                gap: 0.8rem;
                width: 100%;
            }
            .auth-buttons {
                width: 100%;
                justify-content: flex-start;
            }
            .grid-2, .grid-3 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-category {
                padding: 3rem 0;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .btn-signup, .btn-login {
                padding: 0.45rem 1rem;
                font-size: 0.85rem;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .cta-box {
                padding: 2rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #FFD700;
            --shadow-glow: 0 4px 20px rgba(255, 215, 0, 0.3);
            --radius-card: 1rem;
            --radius-btn: 0.75rem;
            --font-base: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-base);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        /* Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 1.5rem;
            max-width: 1280px;
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--accent-gold);
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            font-weight: 500;
            color: var(--text-mint);
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-links a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
        }
        .nav-links a.active {
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 600;
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--text-mint);
            color: var(--text-mint);
            padding: 0.4rem 1rem;
            border-radius: 0.5rem;
            font-weight: 500;
            transition: all 0.2s;
            font-size: 0.9rem;
        }
        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }
        .btn-solid {
            background: var(--accent-gold);
            color: var(--primary-bg);
            border: none;
            padding: 0.4rem 1.25rem;
            border-radius: 0.5rem;
            font-weight: 600;
            transition: all 0.2s;
            font-size: 0.9rem;
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }
        .btn-solid:hover {
            background: #FFE44D;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.5);
        }
        /* Hero Search */
        .hero-cat {
            background: linear-gradient(135deg, rgba(10,46,28,0.98) 0%, rgba(18,62,37,0.9) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 5rem 0 4rem;
            border-bottom: 2px solid rgba(255,215,0,0.3);
        }
        .search-box {
            max-width: 680px;
            margin: 1.5rem auto;
            display: flex;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,215,0,0.5);
            border-radius: 50px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0.9rem 1.5rem;
            color: white;
            font-size: 1rem;
        }
        .search-box input::placeholder {
            color: rgba(255,255,255,0.7);
        }
        .search-box button {
            background: var(--accent-gold);
            color: var(--primary-bg);
            border: none;
            padding: 0.9rem 1.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-box button:hover {
            background: #FFE44D;
        }
        .quick-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
        }
        .quick-tags a {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,215,0,0.4);
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--text-mint);
            transition: all 0.2s;
        }
        .quick-tags a:hover {
            background: var(--accent-gold);
            color: var(--primary-bg);
            border-color: var(--accent-gold);
        }
        /* Sections */
        .section {
            padding: 3rem 0;
        }
        .section-heading {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .section-sub {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 760px;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .divider {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            margin: 2.5rem 0;
            opacity: 0.6;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .info-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255,215,0,0.3);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: all 0.25s;
        }
        .info-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 20px rgba(255,215,0,0.15);
            transform: translateY(-4px);
        }
        .icon-badge {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255,215,0,0.15);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        .list-check li {
            list-style: none;
            margin-bottom: 0.8rem;
            padding-left: 1.8rem;
            position: relative;
            color: var(--text-mint);
        }
        .list-check li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-gold);
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(211,47,47,0.85), rgba(10,46,28,0.95));
            border: 1px solid var(--accent-gold);
            border-radius: 1.5rem;
            padding: 2.5rem 2rem;
            text-align: center;
            margin-top: 2rem;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255,215,0,0.2);
            padding: 1rem 0;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--accent-gold);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            color: var(--text-mint);
            padding-top: 0.75rem;
            line-height: 1.6;
        }
        .footer {
            background: #061B11;
            border-top: 2px solid rgba(255,215,0,0.3);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer h4 {
            color: var(--accent-gold);
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer ul li {
            list-style: none;
            margin-bottom: 0.6rem;
        }
        .footer ul a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            border-top: 1px solid rgba(255,215,0,0.2);
            padding-top: 1.5rem;
            font-size: 0.9rem;
            color: var(--text-mint);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FFE44D, #B8860B);
            border: 2px solid var(--accent-gold);
            color: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s;
            opacity: 0.8;
            animation: floatFAB 3s infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
        }
        @keyframes floatFAB {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .grid-2 { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-container { flex-direction: column; align-items: stretch; }
            .nav-links { justify-content: center; }
            .nav-auth { justify-content: center; }
            .hero-cat { padding: 3rem 0 2.5rem; }
            .section-heading { font-size: 1.5rem; }
            .grid-3 { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .fab { width: 48px; height: 48px; left: 0.75rem; bottom: 5rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 1rem; }
            .nav-links a { padding: 0.4rem 0.7rem; font-size: 0.85rem; }
            .btn-outline, .btn-solid { padding: 0.35rem 0.8rem; font-size: 0.8rem; }
            .search-box { flex-direction: column; border-radius: 1rem; }
            .search-box button { width: 100%; border-radius: 0; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #232326;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-deep: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A6A0A0;
            --border-gold: rgba(197, 160, 89, 0.35);
            --shadow-gold: rgba(197, 160, 89, 0.15);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-serif: 'Playfair Display', 'Times New Roman', serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

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

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

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

        button:focus-visible, a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
        }

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

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #121212;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-amber);
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-amber);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px 14px;
            transition: color 0.25s ease;
        }

        .btn-login:hover {
            color: var(--accent-amber);
        }

        .btn-signup {
            font-size: 0.9rem;
            font-weight: 700;
            color: #121212;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.3);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(197, 160, 89, 0.45);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-gold);
            padding: 16px 24px 20px;
        }

        .mobile-menu a {
            display: block;
            padding: 10px 0;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-amber);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-amber);
            font-size: 1.3rem;
            cursor: pointer;
            opacity: 0.7;
            transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.25);
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 8px 30px rgba(197, 160, 89, 0.45);
        }

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        /* Hero */
        .hero-category {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background-image: linear-gradient(135deg, rgba(18,18,18,0.88) 0%, rgba(28,28,30,0.82) 100%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-gold);
        }

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

        .hero-badge {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.15);
            border: 1px solid var(--border-gold);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .hero-category h1 {
            font-family: var(--font-serif);
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            max-width: 800px;
            color: var(--text-primary);
        }

        .hero-category .hero-sub {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            font-weight: 700;
            color: #121212;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border: none;
            border-radius: var(--radius-sm);
            padding: 14px 30px;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(197, 160, 89, 0.5);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 14px 26px;
            cursor: pointer;
            transition: background 0.25s ease, border-color 0.25s ease;
        }

        .btn-secondary:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-secondary);
        }

        .section-header {
            margin-bottom: 48px;
            text-align: left;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-amber);
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            max-width: 700px;
        }

        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 650px;
            margin-top: 12px;
            line-height: 1.7;
        }

        /* Knowledge blocks */
        .knowledge-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .knowledge-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-gold);
        }

        .knowledge-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .knowledge-image:hover img {
            transform: scale(1.04);
        }

        .knowledge-content h3 {
            font-family: var(--font-serif);
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .knowledge-content p {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .knowledge-list {
            list-style: none;
            margin-top: 16px;
        }

        .knowledge-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .knowledge-list li i {
            color: var(--accent-amber);
            margin-top: 4px;
            font-size: 0.85rem;
        }

        /* Process steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--bg-tertiary);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .step-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
        }

        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
            margin-bottom: 14px;
            font-family: var(--font-serif);
        }

        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .step-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Scenario table */
        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .scenario-item {
            background: var(--bg-tertiary);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 24px;
            transition: background 0.3s ease;
        }

        .scenario-item:hover {
            background: #2a2a2e;
        }

        .scenario-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--accent-amber);
        }

        .scenario-item p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

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

        .faq-item {
            background: var(--bg-tertiary);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            gap: 16px;
        }

        .faq-question i {
            color: var(--accent-amber);
            font-size: 0.9rem;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary), #1e1e20);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 80px 0;
            text-align: left;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cta-section p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-category h1 {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.active {
                display: block;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: inline-flex;
            }
            .hero-category {
                min-height: 70vh;
                padding: 100px 0 60px;
            }
            .hero-category h1 {
                font-size: 2.2rem;
            }
            .hero-category .hero-sub {
                font-size: 1rem;
            }
            .knowledge-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .knowledge-image img {
                height: 260px;
            }
            .scenario-block {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-section h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .logo {
                font-size: 1.05rem;
            }
        }