/* roulang page: index */
:root {
            --color-bg: #0b1215;
            --color-surface: #111c22;
            --color-surface-light: #1a2830;
            --color-card: #152229;
            --color-card-hover: #1c2e37;
            --color-primary: #d4af37;
            --color-primary-dark: #b8962f;
            --color-secondary: #2d6a4f;
            --color-accent: #e63946;
            --color-text: #f0f4f5;
            --color-text-muted: #a3b3ba;
            --color-border: #2a3a43;
            --color-border-light: #3a4f5a;
            --radius-sm: 0.5rem;
            --radius-md: 0.875rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.5);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', 'Roboto', 'SF Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(ellipse at 50% -20%, rgba(212,175,55,0.06) 0%, transparent 60%), radial-gradient(ellipse at 90% 80%, rgba(45,106,79,0.05) 0%, transparent 50%);
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: #e8c95c; }
        img { max-width: 100%; display: block; }
        button { font-family: inherit; cursor: pointer; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .text-gradient-gold {
            background: linear-gradient(135deg, #f5d97a 0%, #d4af37 40%, #a8852a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .badge {
            display: inline-flex; align-items: center; gap: 0.4rem;
            padding: 0.35rem 0.9rem; border-radius: 9999px;
            font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em;
            background: rgba(212,175,55,0.12); color: #f5d97a;
            border: 1px solid rgba(212,175,55,0.3);
            white-space: nowrap;
        }
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
            padding: 0.8rem 1.8rem; border-radius: 9999px;
            font-weight: 600; font-size: 0.95rem; letter-spacing: 0.02em;
            transition: var(--transition); border: none; white-space: nowrap;
        }
        .btn-gold {
            background: linear-gradient(135deg, #e8c95c, #d4af37, #b8962f);
            color: #1a1405; box-shadow: 0 4px 20px rgba(212,175,55,0.35);
        }
        .btn-gold:hover { box-shadow: 0 8px 32px rgba(212,175,55,0.5); transform: translateY(-2px); color: #1a1405; }
        .btn-outline {
            background: transparent; color: var(--color-text);
            border: 1.5px solid var(--color-border-light);
        }
        .btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
        .btn-accent {
            background: linear-gradient(135deg, #e63946, #c81e2e);
            color: #fff; box-shadow: 0 4px 16px rgba(230,57,70,0.35);
        }
        .btn-accent:hover { box-shadow: 0 8px 28px rgba(230,57,70,0.5); transform: translateY(-2px); }
        .card {
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 1.75rem;
            transition: var(--transition);
        }
        .card:hover { background: var(--color-card-hover); border-color: rgba(212,175,55,0.35); transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
        .section-desc { color: var(--color-text-muted); font-size: 1rem; max-width: 680px; }
        /* Header */
        header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(11,18,21,0.92); backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
        }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1rem; }
        .logo { font-weight: 800; font-size: 1.05rem; color: var(--color-text); white-space: nowrap; display: flex; align-items: center; gap: 0.5rem; letter-spacing: -0.01em; }
        .logo span { color: var(--color-primary); }
        .nav-links { display: flex; align-items: center; gap: 0.3rem; flex-wrap: nowrap; }
        .nav-links a {
            color: var(--color-text-muted); font-size: 0.88rem; font-weight: 500;
            padding: 0.5rem 1rem; border-radius: 9999px; white-space: nowrap;
            transition: var(--transition); letter-spacing: 0.02em;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-text); background: rgba(212,175,55,0.12); }
        .nav-links a.active { color: #f5d97a; font-weight: 600; }
        .nav-cta { display: flex; align-items: center; gap: 0.6rem; }
        .nav-toggle { display: none; background: none; border: none; color: var(--color-text); font-size: 1.4rem; padding: 0.5rem; }
        .dropdown { position: relative; }
        .dropdown-menu {
            display: none; position: absolute; top: 100%; right: 0; min-width: 240px;
            background: var(--color-surface); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 0.6rem;
            z-index: 50;
        }
        .dropdown.open .dropdown-menu { display: block; }
        .dropdown-menu a {
            display: flex; align-items: center; gap: 0.6rem; padding: 0.7rem 1rem;
            color: var(--color-text); border-radius: var(--radius-sm);
            font-size: 0.88rem; font-weight: 500; white-space: nowrap;
        }
        .dropdown-menu a:hover { background: var(--color-card-hover); color: var(--color-primary); }
        .dropdown-toggle {
            display: inline-flex; align-items: center; gap: 0.4rem;
            color: var(--color-text-muted); font-size: 0.88rem; font-weight: 500;
            padding: 0.5rem 1rem; border-radius: 9999px; background: none; border: none;
            white-space: nowrap; transition: var(--transition);
        }
        .dropdown-toggle:hover { color: var(--color-text); background: rgba(212,175,55,0.12); }
        /* Hero */
        .hero-section { padding: 4rem 0 3rem; position: relative; }
        .hero-bento { display: grid; grid-template-columns: 2fr 1fr; gap: 1.25rem; }
        .hero-main {
            grid-row: span 2; border-radius: var(--radius-xl); overflow: hidden;
            background: linear-gradient(160deg, rgba(26,40,48,0.9) 0%, rgba(17,28,34,0.95) 100%);
            border: 1px solid var(--color-border); padding: 3rem 2.5rem;
            display: flex; flex-direction: column; justify-content: center; gap: 1.5rem;
            position: relative;
            background-image: linear-gradient(160deg, rgba(26,40,48,0.85) 0%, rgba(11,18,21,0.95) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover; background-position: center;
        }
        .hero-main::after {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(212,175,55,0.12) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-main > * { position: relative; z-index: 1; }
        .hero-sub-block {
            border-radius: var(--radius-lg); padding: 1.75rem;
            border: 1px solid var(--color-border); background: var(--color-card);
            display: flex; flex-direction: column; justify-content: center; gap: 0.8rem;
            transition: var(--transition);
        }
        .hero-sub-block:hover { border-color: rgba(212,175,55,0.35); background: var(--color-card-hover); }
        .hero-cta-row { grid-column: 1 / -1; display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; border-radius: var(--radius-lg); padding: 1.5rem 2rem; background: linear-gradient(135deg, rgba(212,175,55,0.08), rgba(212,175,55,0.03)); border: 1px solid rgba(212,175,55,0.25); }
        /* Stats */
        .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; }
        .stat-item { text-align: center; padding: 1.25rem; border-radius: var(--radius-md); background: rgba(212,175,55,0.07); border: 1px solid rgba(212,175,55,0.18); }
        .stat-number { font-size: 1.8rem; font-weight: 800; color: #f5d97a;
        }
        .stat-label { font-size: 0.85rem; color: var(--color-text-muted); font-weight: 500; letter-spacing: 0.02em; }
        .icon-circle {
            width: 44px; height: 44px; border-radius: 50%;
            display: inline-flex; align-items: center; justify-content: center;
            background: rgba(212,175,55,0.15); color: #f5d97a; font-size: 1.1rem;
            flex-shrink: 0;
        }
        .section { padding: 3.5rem 0; }
        .section-header { margin-bottom: 2rem; display: flex; flex-direction: column; gap: 0.75rem; }
        .section-header.center { align-items: center; text-align: center; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
        .card-img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius-sm); margin-bottom: 1rem; }
        .card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--color-text); }
        .card-desc { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; }
        .tag {
            display: inline-block; padding: 0.2rem 0.7rem; border-radius: 9999px;
            font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em;
            background: rgba(45,106,79,0.25); color: #8fd3b6; border: 1px solid rgba(45,106,79,0.4);
            white-space: nowrap;
        }
        .tag-gold { background: rgba(212,175,55,0.15); color: #f5d97a; border-color: rgba(212,175,55,0.35); }
        .tag-red { background: rgba(230,57,70,0.15); color: #ff8fa3; border-color: rgba(230,57,70,0.35); }
        .content-list { display: flex; flex-direction: column; gap: 0.9rem; }
        .content-item {
            display: flex; align-items: flex-start; gap: 1rem; padding: 1rem 1.25rem;
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); transition: var(--transition);
        }
        .content-item:hover { border-color: rgba(212,175,55,0.35); background: var(--color-card-hover); transform: translateX(4px); }
        .content-item .item-info { flex: 1; min-width: 0; }
        .content-item .item-title { font-weight: 600; font-size: 0.98rem; color: var(--color-text); margin-bottom: 0.25rem; }
        .content-item .item-meta { display: flex; align-items: center; gap: 0.75rem; font-size: 0.78rem; color: var(--color-text-muted); flex-wrap: wrap; }
        .faq-item {
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); margin-bottom: 0.9rem; overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(212,175,55,0.3); }
        .faq-question {
            width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
            padding: 1.25rem 1.5rem; background: none; border: none; text-align: left;
            color: var(--color-text); font-weight: 600; font-size: 1rem; letter-spacing: 0.01em;
        }
        .faq-question i { transition: transform 0.3s ease; color: var(--color-primary); }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
        .faq-answer-inner { padding: 0 1.5rem 1.25rem; color: var(--color-text-muted); font-size: 0.92rem; line-height: 1.7; }
        .footer {
            background: var(--color-surface); border-top: 1px solid var(--color-border);
            padding: 3rem 0 1.5rem; margin-top: 2rem;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
        .footer-logo { font-weight: 800; font-size: 1.2rem; color: var(--color-text); margin-bottom: 0.75rem; }
        .footer-logo span { color: var(--color-primary); }
        .footer-text { color: var(--color-text-muted); font-size: 0.9rem; max-width: 360px; }
        .footer-links h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.75rem; color: var(--color-text); }
        .footer-links a { display: block; color: var(--color-text-muted); font-size: 0.88rem; padding: 0.25rem 0; }
        .footer-links a:hover { color: var(--color-primary); }
        .footer-bottom { border-top: 1px solid var(--color-border); padding-top: 1.25rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem; font-size: 0.82rem; color: var(--color-text-muted); }
        .fab {
            position: fixed; left: 1rem; bottom: 6rem; z-index: 90;
            width: 48px; height: 48px; border-radius: 50%;
            background: linear-gradient(135deg, #e8c95c, #d4af37);
            color: #1a1405; display: flex; align-items: center; justify-content: center;
            box-shadow: 0 8px 24px rgba(212,175,55,0.4); font-size: 1.2rem;
            transition: var(--transition); border: none;
        }
        .fab:hover { transform: scale(1.08); box-shadow: 0 12px 32px rgba(212,175,55,0.55); }
        .backdrop-image { position: relative; background-size: cover; background-position: center; border-radius: var(--radius-lg); }
        .backdrop-image::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11,18,21,0.85), rgba(17,28,34,0.6)); border-radius: inherit; }
        .backdrop-image > * { position: relative; z-index: 1; }
        .screenshot-stage { display: flex; gap: 1.25rem; overflow-x: auto; padding-bottom: 1rem; scroll-snap-type: x mandatory; }
        .screenshot-stage img { scroll-snap-align: start; width: 320px; height: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border); flex-shrink: 0; }
        .entry-matrix { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
        .entry-card {
            display: flex; align-items: center; gap: 0.9rem; padding: 1.25rem;
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); transition: var(--transition);
        }
        .entry-card:hover { border-color: rgba(212,175,55,0.4); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
        .entry-card span { font-weight: 600; font-size: 0.95rem; color: var(--color-text); }
        .campaign-banner {
            background: linear-gradient(135deg, rgba(212,175,55,0.1), rgba(230,57,70,0.08));
            border: 1px solid rgba(212,175,55,0.3); border-radius: var(--radius-xl);
            padding: 2.5rem; display: flex; align-items: center; justify-content: space-between;
            gap: 2rem; flex-wrap: wrap;
        }
        .campaign-banner h3 { font-size: 1.6rem; font-weight: 800; color: #f5d97a; margin-bottom: 0.5rem; }
        .campaign-banner p { color: var(--color-text-muted); max-width: 560px; }
        @media (max-width: 1024px) {
            .hero-bento { grid-template-columns: 1fr; }
            .hero-main { grid-row: auto; }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-inner { height: auto; padding: 0.75rem 0; flex-wrap: wrap; }
            .nav-links { display: none; width: 100%; flex-direction: column; align-items: stretch; padding: 0.5rem 0; }
            .nav-links.open { display: flex; }
            .nav-toggle { display: block; }
            .nav-cta { margin-left: auto; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .section { padding: 2.5rem 0; }
            .hero-main { padding: 2rem 1.5rem; }
            .hero-cta-row { flex-direction: column; align-items: stretch; text-align: center; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
            .campaign-banner { padding: 1.75rem; }
            .fab { left: 0.75rem; bottom: 4.5rem; width: 44px; height: 44px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 1rem; }
            .section-title { font-size: 1.5rem; }
            .btn { padding: 0.7rem 1.3rem; font-size: 0.88rem; }
            .hero-main { padding: 1.5rem 1rem; }
            .stat-number { font-size: 1.4rem; }
        }

/* roulang page: article */
:root {
            --color-bg: #0b1215;
            --color-surface: #111c22;
            --color-surface-light: #1a2830;
            --color-card: #152229;
            --color-card-hover: #1c2e37;
            --color-primary: #d4af37;
            --color-primary-dark: #b8962f;
            --color-secondary: #2d6a4f;
            --color-accent: #e63946;
            --color-text: #f0f4f5;
            --color-text-muted: #a3b3ba;
            --color-border: #2a3a43;
            --color-border-light: #3a4f5a;
            --radius-sm: 0.5rem;
            --radius-md: 0.875rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.5);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', 'Roboto', 'SF Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(ellipse at 50% -20%, rgba(212,175,55,0.06) 0%, transparent 60%), radial-gradient(ellipse at 90% 80%, rgba(45,106,79,0.05) 0%, transparent 50%);
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: #e8c95c; }
        img { max-width: 100%; display: block; }
        button { font-family: inherit; cursor: pointer; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .text-gradient-gold {
            background: linear-gradient(135deg, #f5d97a 0%, #d4af37 40%, #a8852a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .badge {
            display: inline-flex; align-items: center; gap: 0.4rem;
            padding: 0.35rem 0.9rem; border-radius: 9999px;
            font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em;
            background: rgba(212,175,55,0.12); color: #f5d97a;
            border: 1px solid rgba(212,175,55,0.3);
            white-space: nowrap;
        }
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
            padding: 0.8rem 1.8rem; border-radius: 9999px;
            font-weight: 600; font-size: 0.95rem; letter-spacing: 0.02em;
            transition: var(--transition); border: none; white-space: nowrap;
        }
        .btn-gold {
            background: linear-gradient(135deg, #e8c95c, #d4af37, #b8962f);
            color: #1a1405; box-shadow: 0 4px 20px rgba(212,175,55,0.35);
        }
        .btn-gold:hover { box-shadow: 0 8px 32px rgba(212,175,55,0.5); transform: translateY(-2px); color: #1a1405; }
        .btn-outline {
            background: transparent; color: var(--color-text);
            border: 1.5px solid var(--color-border-light);
        }
        .btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
        .btn-accent {
            background: linear-gradient(135deg, #e63946, #c81e2e);
            color: #fff; box-shadow: 0 4px 16px rgba(230,57,70,0.35);
        }
        .btn-accent:hover { box-shadow: 0 8px 28px rgba(230,57,70,0.5); transform: translateY(-2px); }
        .card {
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 1.75rem;
            transition: var(--transition);
        }
        .card:hover { background: var(--color-card-hover); border-color: rgba(212,175,55,0.35); transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
        .section-desc { color: var(--color-text-muted); font-size: 1rem; max-width: 680px; }
        /* Header */
        header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(11,18,21,0.92); backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
        }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1rem; }
        .logo { font-weight: 800; font-size: 1.05rem; color: var(--color-text); white-space: nowrap; display: flex; align-items: center; gap: 0.5rem; letter-spacing: -0.01em; }
        .logo span { color: var(--color-primary); }
        .nav-links { display: flex; align-items: center; gap: 0.3rem; flex-wrap: nowrap; }
        .nav-links a {
            color: var(--color-text-muted); font-size: 0.88rem; font-weight: 500;
            padding: 0.5rem 1rem; border-radius: 9999px; white-space: nowrap;
            transition: var(--transition); letter-spacing: 0.02em;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-text); background: rgba(212,175,55,0.12); }
        .nav-links a.active { color: #f5d97a; font-weight: 600; }
        .nav-cta { display: flex; align-items: center; gap: 0.6rem; }
        .nav-toggle { display: none; background: none; border: none; color: var(--color-text); font-size: 1.4rem; padding: 0.5rem; }
        /* Article */
        .article-hero {
            padding: 3rem 0 2rem;
            border-bottom: 1px solid var(--color-border);
        }
        .breadcrumb {
            display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
            font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 1.5rem;
        }
        .breadcrumb a { color: var(--color-text-muted); }
        .breadcrumb a:hover { color: var(--color-primary); }
        .breadcrumb i { font-size: 0.6rem; color: var(--color-text-muted); }
        .article-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800; line-height: 1.25; letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
            color: var(--color-text-muted); font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        .article-meta i { margin-right: 0.35rem; color: var(--color-primary); }
        .article-cover {
            border-radius: var(--radius-lg); overflow: hidden;
            box-shadow: var(--shadow-lg); margin-bottom: 2rem;
        }
        .article-content {
            max-width: 800px; margin: 0 auto;
            font-size: 1.05rem; line-height: 1.8;
        }
        .article-content h2 {
            font-size: 1.6rem; font-weight: 700; margin: 2rem 0 1rem;
            color: var(--color-text);
        }
        .article-content h3 {
            font-size: 1.3rem; font-weight: 600; margin: 1.5rem 0 0.8rem;
            color: var(--color-text);
        }
        .article-content p { margin-bottom: 1.2rem; color: #d5dde1; }
        .article-content ul, .article-content ol { margin: 1rem 0 1.5rem 1.5rem; color: #d5dde1; }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background: rgba(212,175,55,0.05);
            padding: 1rem 1.5rem; margin: 1.5rem 0;
            border-radius: var(--radius-sm);
            font-style: italic; color: #e0e6e8;
        }
        .article-content img { border-radius: var(--radius-md); margin: 1.5rem 0; }
        .article-tags {
            display: flex; flex-wrap: wrap; gap: 0.6rem;
            margin: 2rem 0;
        }
        .tag {
            background: var(--color-surface-light); color: var(--color-text-muted);
            padding: 0.4rem 1rem; border-radius: 9999px; font-size: 0.8rem;
            border: 1px solid var(--color-border); transition: var(--transition);
        }
        .tag:hover { color: var(--color-primary); border-color: var(--color-primary); }
        .share-box {
            display: flex; align-items: center; gap: 1rem;
            padding: 1.5rem; background: var(--color-surface);
            border-radius: var(--radius-md); border: 1px solid var(--color-border);
            margin-bottom: 2rem;
        }
        .share-box span { font-weight: 600; color: var(--color-text); }
        .share-box a {
            width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
            border-radius: 50%; background: var(--color-surface-light);
            color: var(--color-text); border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .share-box a:hover { background: var(--color-primary); color: #1a1405; border-color: var(--color-primary); }
        /* CTA */
        .cta-banner {
            background: linear-gradient(135deg, #1c2e37 0%, #0b1215 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            margin: 3rem 0;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle, rgba(212,175,55,0.08) 0%, transparent 60%);
            animation: rotate 20s linear infinite;
        }
        @keyframes rotate { 100% { transform: rotate(360deg); } }
        .cta-banner > * { position: relative; z-index: 1; }
        .countdown {
            display: flex; justify-content: center; gap: 1rem;
            margin: 1.5rem 0;
        }
        .countdown-item {
            background: var(--color-surface); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 1rem 1.2rem;
            min-width: 80px;
        }
        .countdown-number {
            font-size: 2rem; font-weight: 800; color: var(--color-primary);
            line-height: 1.2;
        }
        .countdown-label {
            font-size: 0.8rem; color: var(--color-text-muted);
            text-transform: uppercase; letter-spacing: 0.05em;
        }
        /* FAQ */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); margin-bottom: 1rem;
            overflow: hidden;
        }
        .faq-question {
            padding: 1.2rem 1.5rem; cursor: pointer;
            display: flex; justify-content: space-between; align-items: center;
            font-weight: 600; color: var(--color-text);
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--color-primary); }
        .faq-question i { transition: transform 0.3s; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--color-text-muted);
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }
        /* Footer */
        .footer {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem; margin-bottom: 2rem;
        }
        .footer-logo { font-weight: 800; font-size: 1.2rem; color: var(--color-text); margin-bottom: 1rem; }
        .footer-logo span { color: var(--color-primary); }
        .footer-text { color: var(--color-text-muted); font-size: 0.9rem; max-width: 400px; }
        .footer-links h4 { color: var(--color-text); font-weight: 600; margin-bottom: 1rem; }
        .footer-links a { display: block; color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 0.5rem; }
        .footer-links a:hover { color: var(--color-primary); }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 1.5rem;
            display: flex; justify-content: space-between; flex-wrap: wrap;
            gap: 0.5rem; color: var(--colortext-muted);
            font-size: 0.85rem;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-bento { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: absolute; top: 68px; left: 0; right: 0;
                flex-direction: column; align-items: flex-start;
                background: var(--color-surface); border-bottom: 1px solid var(--color-border);
                padding: 1rem; gap: 0.5rem; display: none;
            }
            .nav-links.open { display: flex; }
            .nav-toggle { display: block; }
            .nav-cta .btn { display: none; }
            .footer-grid { grid-template-columns: 1fr; }
            .article-title { font-size: 1.6rem; }
            .article-content { font-size: 1rem; }
            .countdown { flex-wrap: wrap; }
            .countdown-item { min-width: 70px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 1rem; }
            .nav-inner { height: 60px; }
            .logo { font-size: 0.9rem; }
            .article-hero { padding: 2rem 0 1.5rem; }
            .share-box { flex-wrap: wrap; }
            .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
        }
        .fade-in { animation: fadeIn 0.8s ease both; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }

/* roulang page: category1 */
:root {
            --color-bg: #0b1215;
            --color-surface: #111c22;
            --color-surface-light: #1a2830;
            --color-card: #152229;
            --color-card-hover: #1c2e37;
            --color-primary: #d4af37;
            --color-primary-dark: #b8962f;
            --color-secondary: #2d6a4f;
            --color-accent: #e63946;
            --color-text: #f0f4f5;
            --color-text-muted: #a3b3ba;
            --color-border: #2a3a43;
            --color-border-light: #3a4f5a;
            --radius-sm: 0.5rem;
            --radius-md: 0.875rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.5);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', 'Roboto', 'SF Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(ellipse at 50% -20%, rgba(212,175,55,0.06) 0%, transparent 60%), radial-gradient(ellipse at 90% 80%, rgba(45,106,79,0.05) 0%, transparent 50%);
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: #e8c95c; }
        img { max-width: 100%; display: block; }
        button { font-family: inherit; cursor: pointer; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .text-gradient-gold {
            background: linear-gradient(135deg, #f5d97a 0%, #d4af37 40%, #a8852a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .badge {
            display: inline-flex; align-items: center; gap: 0.4rem;
            padding: 0.35rem 0.9rem; border-radius: 9999px;
            font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em;
            background: rgba(212,175,55,0.12); color: #f5d97a;
            border: 1px solid rgba(212,175,55,0.3);
            white-space: nowrap;
        }
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
            padding: 0.8rem 1.8rem; border-radius: 9999px;
            font-weight: 600; font-size: 0.95rem; letter-spacing: 0.02em;
            transition: var(--transition); border: none; white-space: nowrap;
        }
        .btn-gold {
            background: linear-gradient(135deg, #e8c95c, #d4af37, #b8962f);
            color: #1a1405; box-shadow: 0 4px 20px rgba(212,175,55,0.35);
        }
        .btn-gold:hover { box-shadow: 0 8px 32px rgba(212,175,55,0.5); transform: translateY(-2px); color: #1a1405; }
        .btn-outline {
            background: transparent; color: var(--color-text);
            border: 1.5px solid var(--color-border-light);
        }
        .btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
        .btn-accent {
            background: linear-gradient(135deg, #e63946, #c81e2e);
            color: #fff; box-shadow: 0 4px 16px rgba(230,57,70,0.35);
        }
        .btn-accent:hover { box-shadow: 0 8px 28px rgba(230,57,70,0.5); transform: translateY(-2px); }
        .card {
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 1.75rem;
            transition: var(--transition);
        }
        .card:hover { background: var(--color-card-hover); border-color: rgba(212,175,55,0.35); transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
        .section-desc { color: var(--color-text-muted); font-size: 1rem; max-width: 680px; }
        header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(11,18,21,0.92); backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
        }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1rem; }
        .logo { font-weight: 800; font-size: 1.05rem; color: var(--color-text); white-space: nowrap; display: flex; align-items: center; gap: 0.5rem; letter-spacing: -0.01em; }
        .logo span { color: var(--color-primary); }
        .nav-links { display: flex; align-items: center; gap: 0.3rem; flex-wrap: nowrap; }
        .nav-links a {
            color: var(--color-text-muted); font-size: 0.88rem; font-weight: 500;
            padding: 0.5rem 1rem; border-radius: 9999px; white-space: nowrap;
            transition: var(--transition); letter-spacing: 0.02em;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-text); background: rgba(212,175,55,0.12); }
        .nav-links a.active { color: #f5d97a; font-weight: 600; }
        .nav-cta { display: flex; align-items: center; gap: 0.6rem; }
        .nav-toggle { display: none; background: none; border: none; color: var(--color-text); font-size: 1.4rem; padding: 0.5rem; }
        @media (max-width: 900px) {
            .nav-links {
                display: none; position: absolute; top: 68px; left: 0; right: 0;
                background: var(--color-surface); flex-direction: column; align-items: stretch;
                padding: 1rem 1.5rem; border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
            }
            .nav-links.show { display: flex; }
            .nav-links a { padding: 0.75rem 1rem; border-radius: var(--radius-sm); }
            .nav-toggle { display: block; }
            .nav-cta .btn-gold { display: none; }
        }
        @media (max-width: 520px) {
            .nav-inner { height: 60px; }
            .nav-links { top: 60px; }
            .logo { font-size: 0.9rem; }
        }
        .hero-category {
            position: relative; padding: 4rem 0 3rem;
            background-image: linear-gradient(rgba(11,18,21,0.88), rgba(11,18,21,0.94)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover; background-position: center;
            border-bottom: 1px solid var(--color-border);
        }
        .hero-grid-category {
            display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: center;
        }
        @media (max-width: 900px) {
            .hero-grid-category { grid-template-columns: 1fr; gap: 2rem; }
        }
        .hero-cover-wrap {
            position: relative; border-radius: var(--radius-xl); overflow: hidden;
            border: 2px solid rgba(212,175,55,0.35); box-shadow: var(--shadow-lg);
            background: var(--color-surface);
        }
        .hero-cover-wrap::after {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(212,175,55,0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-cover-wrap{
            position: relative; border-radius: var(--radius-xl); overflow: hidden;
            border: 2px solid rgba(212,175,55,0.35); box-shadow: var(--shadow-lg);
            background: var(--color-surface);
        }
        .hero-cover-wrap img { width: 100%; height: 100%; object-fit: cover; min-height: 300px; }
        .hero-cover-wrap .cover-badge {
            position: absolute; bottom: 1rem; left: 1rem; z-index: 2;
            background: rgba(11,18,21,0.85); backdrop-filter: blur(8px);
            padding: 0.6rem 1.2rem; border-radius: 9999px;
            display: flex; align-items: center; gap: 0.6rem;
            font-size: 0.85rem; font-weight: 600; color: #f5d97a;
            border: 1px solid rgba(212,175,55,0.4);
        }
        .stat-row {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2rem;
        }
        .stat-item {
            background: rgba(21,34,41,0.8); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 1.2rem 1rem; text-align: center;
        }
        .stat-number { font-size: 1.6rem; font-weight: 800; color: var(--color-primary); line-height: 1.2; }
        .stat-label { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 0.3rem; }
        .section-block { padding: 4rem 0; }
        .section-block-alt { padding: 4rem 0; background: rgba(21,34,41,0.45); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
        @media (max-width: 900px) {
            .grid-3, .grid-2 { grid-template-columns: 1fr; }
            .stat-row { grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
        }
        @media (max-width: 520px) {
            .stat-row { grid-template-columns: 1fr; }
            .hero-category { padding: 2.5rem 0 2rem; }
            .section-block, .section-block-alt { padding: 2.5rem 0; }
        }
        .feature-icon {
            width: 48px; height: 48px; border-radius: 12px;
            background: rgba(212,175,55,0.15); display: flex; align-items: center; justify-content: center;
            font-size: 1.3rem; color: var(--color-primary); margin-bottom: 1rem;
        }
        .step-list { list-style: none; padding: 0; }
        .step-list li {
            display: flex; gap: 1rem; align-items: flex-start; padding: 1rem 0;
            border-bottom: 1px dashed var(--color-border);
        }
        .step-list li:last-child { border-bottom: none; }
        .step-number {
            width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
            background: var(--color-primary); color: #1a1405; font-weight: 700;
            display: flex; align-items: center; justify-content: center; font-size: 0.85rem;
        }
        .faq-item { border-bottom: 1px solid var(--color-border); }
        .faq-item:last-child { border-bottom: none; }
        .faq-question {
            width: 100%; background: none; border: none; color: var(--color-text);
            text-align: left; padding: 1.25rem 0; font-size: 1rem; font-weight: 600;
            display: flex; justify-content: space-between; align-items: center; gap: 1rem;
        }
        .faq-question:hover { color: var(--color-primary); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--color-text-muted); padding: 0 0;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding-bottom: 1.5rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-question i { transition: transform 0.3s ease; }
        .cta-panel {
            background: linear-gradient(135deg, rgba(212,175,55,0.12), rgba(45,106,79,0.08));
            border: 1px solid rgba(212,175,55,0.3); border-radius: var(--radius-xl);
            padding: 3rem 2rem; text-align: center;
        }
        .cta-panel h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 1rem; }
        .footer {
            background: #080e11; border-top: 1px solid var(--color-border); padding: 3rem 0 1.5rem;
        }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
        @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
        .footer-logo { font-weight: 800; font-size: 1.2rem; color: var(--color-text); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
        .footer-logo span { color: var(--color-primary); }
        .footer-text { color: var(--color-text-muted); font-size: 0.9rem; max-width: 400px; }
        .footer-links h4 { color: var(--color-text); font-size: 0.9rem; font-weight: 700; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
        .footer-links a { display: block; color: var(--color-text-muted); font-size: 0.9rem; padding: 0.3rem 0; }
        .footer-links a:hover { color: var(--color-primary); }
        .footer-bottom {
            border-top: 1px solid var(--color-border); padding-top: 1.5rem;
            display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
            color: var(--color-text-muted); font-size: 0.8rem;
        }
        .breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
        .breadcrumb a { color: var(--color-text-muted); }
        .breadcrumb a:hover { color: var(--color-primary); }
        .breadcrumb i { font-size: 0.7rem; }

/* roulang page: category2 */
:root {
            --color-bg: #0b1215;
            --color-surface: #111c22;
            --color-surface-light: #1a2830;
            --color-card: #152229;
            --color-card-hover: #1c2e37;
            --color-primary: #d4af37;
            --color-primary-dark: #b8962f;
            --color-secondary: #2d6a4f;
            --color-accent: #e63946;
            --color-text: #f0f4f5;
            --color-text-muted: #a3b3ba;
            --color-border: #2a3a43;
            --color-border-light: #3a4f5a;
            --radius-sm: 0.5rem;
            --radius-md: 0.875rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.5);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', 'Roboto', 'SF Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(ellipse at 50% -20%, rgba(212,175,55,0.06) 0%, transparent 60%), radial-gradient(ellipse at 90% 80%, rgba(45,106,79,0.05) 0%, transparent 50%);
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: #e8c95c; }
        img { max-width: 100%; display: block; }
        button { font-family: inherit; cursor: pointer; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .text-gradient-gold {
            background: linear-gradient(135deg, #f5d97a 0%, #d4af37 40%, #a8852a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .badge {
            display: inline-flex; align-items: center; gap: 0.4rem;
            padding: 0.35rem 0.9rem; border-radius: 9999px;
            font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em;
            background: rgba(212,175,55,0.12); color: #f5d97a;
            border: 1px solid rgba(212,175,55,0.3);
            white-space: nowrap;
        }
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
            padding: 0.8rem 1.8rem; border-radius: 9999px;
            font-weight: 600; font-size: 0.95rem; letter-spacing: 0.02em;
            transition: var(--transition); border: none; white-space: nowrap;
        }
        .btn-gold {
            background: linear-gradient(135deg, #e8c95c, #d4af37, #b8962f);
            color: #1a1405; box-shadow: 0 4px 20px rgba(212,175,55,0.35);
        }
        .btn-gold:hover { box-shadow: 0 8px 32px rgba(212,175,55,0.5); transform: translateY(-2px); color: #1a1405; }
        .btn-outline {
            background: transparent; color: var(--color-text);
            border: 1.5px solid var(--color-border-light);
        }
        .btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
        .btn-accent {
            background: linear-gradient(135deg, #e63946, #c81e2e);
            color: #fff; box-shadow: 0 4px 16px rgba(230,57,70,0.35);
        }
        .btn-accent:hover { box-shadow: 0 8px 28px rgba(230,57,70,0.5); transform: translateY(-2px); }
        .card {
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 1.75rem;
            transition: var(--transition);
        }
        .card:hover { background: var(--color-card-hover); border-color: rgba(212,175,55,0.35); transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
        .section-desc { color: var(--color-text-muted); font-size: 1rem; max-width: 680px; }
        header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(11,18,21,0.92); backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
        }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1rem; }
        .logo { font-weight: 800; font-size: 1.05rem; color: var(--color-text); white-space: nowrap; display: flex; align-items: center; gap: 0.5rem; letter-spacing: -0.01em; }
        .logo span { color: var(--color-primary); }
        .nav-links { display: flex; align-items: center; gap: 0.3rem; flex-wrap: nowrap; }
        .nav-links a {
            color: var(--color-text-muted); font-size: 0.88rem; font-weight: 500;
            padding: 0.5rem 1rem; border-radius: 9999px; white-space: nowrap;
            transition: var(--transition); letter-spacing: 0.02em;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-text); background: rgba(212,175,55,0.12); }
        .nav-links a.active { color: #f5d97a; font-weight: 600; }
        .nav-cta { display: flex; align-items: center; gap: 0.6rem; }
        .nav-toggle.nav-toggle { display: none; background: none; border: none; color: var(--color-text); font-size: 1.4rem; padding: 0.5rem; }
        .dropdown-menu {
            display: none; position: absolute; top: 100%; right: 0; min-width: 240px;
            background: var(--color-surface); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 0.6rem;
            z-index: 50;
        }
        .dropdown.open .dropdown-menu { display: block; }
        .dropdown-menu a {
            display: flex; align-items: center; gap: 0.6rem; padding: 0.7rem 1rem;
            color: var(--color-text); border-radius: var(--radius-sm);
            font-size: 0.88rem; font-weight: 500; white-space: nowrap;
        }
        .dropdown-menu a:hover { background: var(--color-card-hover); color: var(--color-primary); }
        .hero-section { padding: 4rem 0 3rem; position: relative; }
        .hero-bento { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
        .hero-content h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 1.2rem; }
        .hero-content .lead { color: var(--color-text-muted); font-size: 1.1rem; max-width: 520px; margin-bottom: 1.5rem; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 1.5rem; }
        .group-counter {
            display: flex; align-items: center; gap: 0.75rem; background: var(--color-surface);
            border: 1px solid var(--color-border); border-radius: var(--radius-lg);
            padding: 0.8rem 1.2rem; margin-bottom: 1.2rem; flex-wrap: wrap;
        }
        .group-counter .avatars { display: flex; }
        .group-counter .avatar {
            width: 32px; height: 32px; border-radius: 50%; background: var(--color-surface-light);
            border: 2px solid var(--color-card); display: flex; align-items: center; justify-content: center;
            font-size: 0.75rem; color: var(--color-primary); font-weight: 700; margin-left: -6px;
        }
        .group-counter .avatar:first-child { margin-left: 0; }
        .hero-visual {
            background: var(--color-surface); border-radius: var(--radius-xl);
            padding: 2rem; border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
        }
        .hero-visual img { border-radius: var(--radius-md); }
        .hero-visual::after {
            content: ''; position: absolute; top: -50%; right: -30%; width: 200px; height: 200px;
            background: radial-gradient(circle, rgba(212,175,55,0.2), transparent 70%);
            pointer-events: none;
        }
        .section { padding: 3.5rem 0; }
        .section-header { margin-bottom: 2.5rem; }
        .section-header .eyebrow { display: inline-block; margin-bottom: 0.5rem; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
        .feature-card .icon {
            width: 48px; height: 48px; border-radius: var(--radius-md);
            background: rgba(212,175,55,0.12); color: var(--color-primary);
            display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        .feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
        .feature-card p { color: var(--color-text-muted); font-size: 0.9rem; }
        .scenario-list { list-style: none; padding: 0; }
        .scenario-list li {
            display: flex; gap: 1rem; align-items: flex-start; padding: 1.2rem 0;
            border-bottom: 1px solid var(--color-border);
        }
        .scenario-list li:last-child { border-bottom: none; }
        .scenario-list .step-num {
            min-width: 36px; height: 36px; border-radius: 50%; background: var(--color-surface-light);
            display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--color-primary);
        }
        .scenario-list h4 { font-weight: 600; margin-bottom: 0.25rem; }
        .scenario-list p { color: var(--color-text-muted); font-size: 0.9rem; }
        .faq-item {
            background: var(--color-card); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 1.25rem 1.5rem; margin-bottom: 0.75rem;
            cursor: pointer; transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(212,175,55,0.4); }
        .faq-item summary { font-weight: 600; font-size: 1rem; list-style: none; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary i { transition: transform 0.2s; color: var(--color-primary); }
        .faq-item[open] summary i { transform: rotate(180deg); }
        .faq-item p { margin-top: 0.75rem; color: var(--color-text-muted); font-size: 0.9rem; }
        .cta-box {
            background: linear-gradient(135deg, rgba(212,175,55,0.08), rgba(212,175,55,0.02));
            border: 1px solid rgba(212,175,55,0.25); border-radius: var(--radius-xl);
            padding: 2.5rem 2rem; text-align: center;
        }
        .cta-box h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin-bottom: 0.75rem; }
        .cta-box p { color: var(--color-text-muted); max-width: 560px; margin: 0 auto 1.5rem; }
        .footer {
            background: var(--color-surface); border-top: 1px solid var(--color-border);
            padding: 3rem 0 1.5rem; margin-top: 2rem;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; }
        .footer-logo { font-weight: 800; font-size: 1.1rem; margin-bottom: 0.8rem; }
        .footer-logo span { color: var(--color-primary); }
        .footer-text { color: var(--color-text-muted); font-size: 0.9rem; max-width: 320px; }
        .footer-links h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.8rem; color: var(--color-text); }
        .footer-links a { display: block; color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 0.4rem; }
        .footer-links a:hover { color: var(--color-primary); }
        .footer-bottom {
            display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
            border-top: 1px solid var(--color-border); margin-top: 2rem; padding-top: 1.5rem;
            font-size: 0.8rem; color: var(--color-text-muted);
        }
        @media (max-width: 1024px) {
            .hero-bento { grid-template-columns: 1fr; }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: 1rem; gap: 0.2rem; }
            .nav-links.open { display: flex; }
            .nav-toggle { display: block; }
            .grid-3, .grid-2 { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 2rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 1rem; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .btn { justify-content: center; }
            .group-counter { flex-direction: column; align-items: flex-start; }
        }