/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #6C63FF;
  --primary-dark: #5A52D5;
  --primary-light: #8B85FF;
  --secondary: #FF6B35;
  --secondary-light: #FF8F5E;
  --accent: #00D4AA;
  --accent-dark: #00B894;
  --bg: #FFFFFF;
  --bg-alt: #F7F8FC;
  --bg-card: #FFFFFF;
  --bg-dark: #1A1A2E;
  --bg-dark-alt: #16213E;
  --text: #1A1A2E;
  --text-light: #6B7280;
  --text-lighter: #9CA3AF;
  --text-white: #FFFFFF;
  --border: #E8EAF0;
  --border-light: #F0F1F5;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 4px 24px rgba(108, 99, 255, 0.10);
  --shadow-lg: 0 12px 48px rgba(108, 99, 255, 0.15);
  --shadow-hover: 0 16px 56px rgba(108, 99, 255, 0.20);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  --max-width: 1200px;
  --header-h: 70px;
  --nav-channel-h: 52px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
button { cursor: pointer; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
/* ===== Container ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }
/* ===== Utility ===== */
.section-padding { padding: 80px 0; }
@media (max-width: 768px) { .section-padding { padding: 56px 0; } }
.section-title { font-size: 2.2rem; text-align: center; margin-bottom: 12px; }
.section-subtitle { font-size: 1.1rem; color: var(--text-light); text-align: center; max-width: 640px; margin: 0 auto 48px; line-height: 1.6; }
@media (max-width: 768px) { .section-title { font-size: 1.6rem; } .section-subtitle { font-size: 1rem; margin-bottom: 32px; } }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 1rem; transition: all var(--transition); border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-accent { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-accent:hover { background: #E85A2A; border-color: #E85A2A; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; border-radius: var(--radius); }
/* ===== Tag / Badge ===== */
.tag {
  display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 500;
  background: var(--bg-alt); color: var(--text-light); transition: all var(--transition);
}
.tag-primary { background: rgba(108, 99, 255, 0.12); color: var(--primary); }
.tag-accent { background: rgba(255, 107, 53, 0.12); color: var(--secondary); }
.tag-green { background: rgba(0, 212, 170, 0.12); color: var(--accent-dark); }
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 12px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 600; background: var(--primary); color: #fff;
}
/* ===== Card ===== */
.card {
  background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border);
  box-shadow: var(--shadow); transition: all var(--transition); overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: var(--radius) var(--radius) 0 0; }
.card-body { padding: 20px 24px 24px; }
.card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.card-text { font-size: 0.95rem; color: var(--text-light); line-height: 1.6; margin-bottom: 16px; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-lighter); }
/* ===== Grid ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 20px; } }
/* ===== Header & Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}
.header-inner { display: flex; align-items: center; height: var(--header-h); justify-content: space-between; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
.logo i { font-size: 1.6rem; color: var(--secondary); }
.logo:hover { color: var(--primary-dark); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-actions .btn { padding: 8px 20px; font-size: 0.9rem; }
.menu-toggle { display: none; font-size: 1.5rem; color: var(--text); padding: 8px; border-radius: var(--radius-sm); transition: background var(--transition); }
.menu-toggle:hover { background: var(--bg-alt); }
/* Channel Nav */
.channel-nav {
  background: var(--bg-dark); border-bottom: 1px solid rgba(255,255,255,0.06);
  height: var(--nav-channel-h); display: flex; align-items: center; overflow-x: auto; scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar { display: none; }
.channel-inner { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.channel-item {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 20px; border-radius: 20px;
  font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.7); transition: all var(--transition);
}
.channel-item i { font-size: 0.85rem; }
.channel-item:hover { color: #fff; background: rgba(255,255,255,0.08); }
.channel-item.active { color: #fff; background: var(--primary); }
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .header-actions .btn span { display: none; }
  .channel-nav { height: auto; padding: 8px 0; }
  .channel-inner { flex-wrap: nowrap; gap: 2px; padding: 0 16px; }
  .channel-item { padding: 5px 14px; font-size: 0.82rem; }
}
/* ===== Hero ===== */
.hero {
  position: relative; min-height: 560px; display: flex; align-items: center;
  background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  isolation: isolate; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26,26,46,0.88) 30%, rgba(108,99,255,0.40) 100%);
  z-index: 0;
}
.hero-content { position: relative; z-index: 1; max-width: 720px; padding: 80px 0; }
.hero-tag { display: inline-block; padding: 6px 18px; border-radius: 20px; background: rgba(255,107,53,0.20); color: var(--secondary); font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; backdrop-filter: blur(4px); }
.hero h1 { font-size: 3.2rem; font-weight: 800; color: #fff; margin-bottom: 16px; letter-spacing: -0.5px; line-height: 1.2; }
.hero h1 span { color: var(--secondary); }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,0.80); max-width: 560px; line-height: 1.7; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.12); }
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 2rem; font-weight: 800; color: #fff; }
.hero-stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.60); margin-top: 2px; }
@media (max-width: 768px) {
  .hero { min-height: 420px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .hero-stat-num { font-size: 1.5rem; }
  .hero-content { padding: 56px 0; }
}
/* ===== Features ===== */
.features { background: var(--bg-alt); }
.feature-card { text-align: center; padding: 32px 20px; border-radius: var(--radius); background: var(--bg-card); border: 1px solid var(--border); transition: all var(--transition); }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }
.feature-icon { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 1.6rem; color: #fff; }
.feature-icon.purple { background: var(--primary); }
.feature-icon.orange { background: var(--secondary); }
.feature-icon.teal { background: var(--accent); }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.95rem; color: var(--text-light); line-height: 1.6; }
/* ===== Categories ===== */
.category-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; display: flex; align-items: flex-end; }
.category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.category-card:hover img { transform: scale(1.08); }
.category-overlay {
  position: relative; z-index: 1; width: 100%; padding: 24px 20px;
  background: linear-gradient(transparent, rgba(26,26,46,0.85)); color: #fff;
}
.category-overlay h3 { font-size: 1.3rem; color: #fff; margin-bottom: 4px; }
.category-overlay p { font-size: 0.85rem; color: rgba(255,255,255,0.75); }
/* ===== Latest Posts (CMS) ===== */
.latest-section { background: var(--bg); }
.post-card { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border-light); }
.post-card:last-child { border-bottom: none; }
.post-thumb { width: 160px; min-height: 100px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
.post-content { flex: 1; }
.post-content .tag { margin-bottom: 8px; }
.post-content h3 { font-size: 1.1rem; margin-bottom: 6px; }
.post-content h3 a { color: var(--text); }
.post-content h3 a:hover { color: var(--primary); }
.post-excerpt { font-size: 0.92rem; color: var(--text-light); line-height: 1.6; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { font-size: 0.8rem; color: var(--text-lighter); display: flex; gap: 16px; align-items: center; }
.empty-posts { text-align: center; padding: 40px 0; color: var(--text-light); font-size: 1.05rem; background: var(--bg-alt); border-radius: var(--radius); }
@media (max-width: 640px) {
  .post-card { flex-direction: column; gap: 12px; }
  .post-thumb { width: 100%; height: 180px; }
}
/* ===== Popular Games ===== */
.popular-section { background: var(--bg-alt); }
.game-card { border-radius: var(--radius); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow); transition: all var(--transition); }
.game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.game-card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.game-card-body { padding: 16px 20px 20px; }
.game-card-body h4 { font-size: 1.05rem; margin-bottom: 4px; }
.game-card-body .tag { margin-bottom: 8px; }
.game-rating { display: flex; align-items: center; gap: 4px; color: #F59E0B; font-size: 0.85rem; margin-top: 8px; }
.game-rating span { color: var(--text-light); margin-left: 4px; font-size: 0.8rem; }
/* ===== Process / How It Works ===== */
.process-section { background: var(--bg-dark); color: #fff; }
.process-section .section-title { color: #fff; }
.process-section .section-subtitle { color: rgba(255,255,255,0.65); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { text-align: center; padding: 28px 16px; background: rgba(255,255,255,0.06); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); transition: all var(--transition); }
.process-step:hover { background: rgba(255,255,255,0.10); border-color: var(--primary-light); transform: translateY(-4px); }
.process-num { width: 52px; height: 52px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 1.4rem; font-weight: 800; color: #fff; }
.process-step h4 { font-size: 1.1rem; color: #fff; margin-bottom: 6px; }
.process-step p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.5; }
@media (max-width: 768px) { .process-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (max-width: 480px) { .process-grid { grid-template-columns: 1fr; } }
/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-size: 1.05rem; font-weight: 600; color: var(--text); transition: color var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: 1.1rem; color: var(--text-lighter); transition: transform var(--transition); }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding-top: 0; color: var(--text-light); line-height: 1.7; }
.faq-item.active .faq-answer { max-height: 300px; padding-top: 16px; }
/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); text-align: center; padding: 80px 0; }
.cta-section h2 { font-size: 2.2rem; color: #fff; margin-bottom: 12px; }
.cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.85); max-width: 540px; margin: 0 auto 32px; }
.cta-section .btn { background: #fff; color: var(--primary); border-color: #fff; }
.cta-section .btn:hover { background: var(--bg-alt); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.20); }
/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
.footer-col h4 { font-size: 1rem; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .cta-section h2 { font-size: 1.6rem; }
  .cta-section p { font-size: 1rem; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--text-lighter); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }
/* ===== Animations ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.animate-fade-up { animation: fadeUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #fdcb6e;
            --bg: #0f0e17;
            --bg-card: #1a1932;
            --bg-card-hover: #222145;
            --bg-section-alt: #12102a;
            --text: #f0f0f5;
            --text-muted: #9d9bb5;
            --text-dim: #6b6a85;
            --border: #2d2b50;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 48px rgba(108, 92, 231, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 1200px;
            --header-h: 56px;
            --nav-h: 48px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #fff;
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.1rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Brand Row ===== */
        .site-header {
            background: rgba(15, 14, 23, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff !important;
            letter-spacing: -0.3px;
        }
        .logo i {
            color: var(--primary-light);
            font-size: 1.5rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-actions .search-toggle {
            background: none;
            color: var(--text-muted);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .header-actions .search-toggle:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .header-actions .btn-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.3px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
        }
        .header-actions .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 92, 231, 0.45);
        }

        /* ===== Channel Navigation ===== */
        .channel-nav {
            background: rgba(26, 25, 50, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-h);
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
            white-space: nowrap;
        }
        .channel-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }
        .channel-item i {
            font-size: 0.9rem;
        }
        .channel-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .channel-item.active {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.25), rgba(253, 121, 168, 0.15));
            color: #fff;
            font-weight: 600;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }
        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 4px;
        }

        /* ===== Page Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(135deg, #1a1932 0%, #0f0e17 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 3rem;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 30%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 28px;
        }
        .banner-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .banner-tags .tag {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--border);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .banner-tags .tag:hover {
            background: rgba(108, 92, 231, 0.2);
            border-color: var(--primary);
            color: #fff;
        }

        /* ===== Section Common ===== */
        section {
            padding: 72px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .section-title p {
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            font-size: 1rem;
        }
        .section-title .subtitle-badge {
            display: inline-block;
            background: rgba(108, 92, 231, 0.15);
            color: var(--primary-light);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            border: 1px solid rgba(108, 92, 231, 0.2);
        }

        /* ===== Guide Category Grid ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px 24px;
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }
        .guide-card:hover::before {
            opacity: 1;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }
        .guide-card .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(108, 92, 231, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary-light);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .guide-card:hover .icon-wrap {
            background: rgba(108, 92, 231, 0.22);
            transform: scale(1.05);
        }
        .guide-card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .guide-card p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .guide-card .guide-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-dim);
        }
        .guide-card .guide-meta i {
            margin-right: 4px;
        }
        .guide-card .badge {
            background: rgba(253, 121, 168, 0.15);
            color: var(--secondary);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
        }

        /* ===== Featured Guides (Cover Cards) ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 28px;
        }
        .featured-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .featured-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.25);
            box-shadow: var(--shadow-hover);
        }
        .featured-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }
        .featured-card .card-body {
            padding: 22px 24px 24px;
        }
        .featured-card .card-body .tag {
            display: inline-block;
            background: rgba(108, 92, 231, 0.12);
            color: var(--primary-light);
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .featured-card .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .featured-card .card-body p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .featured-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-dim);
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .featured-card .card-footer .author {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .featured-card .card-footer .author img {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
        }
        .featured-card .card-footer .read-more {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.82rem;
            transition: var(--transition);
        }
        .featured-card .card-footer .read-more:hover {
            color: #fff;
            gap: 4px;
        }

        /* ===== Tips / List Section ===== */
        .tips-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 20px;
        }
        .tip-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            border: 1px solid var(--border);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: var(--transition);
        }
        .tip-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(108, 92, 231, 0.2);
            transform: translateX(4px);
        }
        .tip-item .num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(108, 92, 231, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary-light);
        }
        .tip-item .tip-content h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .tip-item .tip-content p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.2);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: #fff;
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1932, #0f0e17);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            text-align: center;
            padding: 72px 0;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-buttons .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(108, 92, 231, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-buttons .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.4);
        }
        .cta-buttons .btn-outline {
            background: transparent;
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--border);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-buttons .btn-outline:hover {
            border-color: var(--primary-light);
            background: rgba(108, 92, 231, 0.08);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0915;
            padding: 56px 0 28px;
            border-top: 1px solid var(--border);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.2rem;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand p {
            color: var(--text-dim);
            font-size: 0.85rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            margin-bottom: 16px;
            color: #fff;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-dim);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-dim);
        }
        .footer-bottom a {
            color: var(--text-dim);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-banner h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .header-actions .btn-cta {
                padding: 6px 14px;
                font-size: 0.75rem;
            }
            .channel-inner {
                padding: 0 12px;
                gap: 2px;
            }
            .channel-item {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .channel-item i {
                font-size: 0.75rem;
            }
            .page-banner {
                padding: 56px 0 48px;
                min-height: auto;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
            section {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
            .guide-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 16px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .tips-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-buttons .btn-primary,
            .cta-buttons .btn-outline {
                padding: 12px 28px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.84rem;
            }
            .featured-card .card-img {
                height: 170px;
            }
            .guide-card {
                padding: 20px 18px 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                height: 50px;
            }
            .channel-inner {
                height: 44px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner p {
                font-size: 0.85rem;
            }
            .banner-tags .tag {
                font-size: 0.72rem;
                padding: 4px 12px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .featured-card .card-body {
                padding: 16px 18px 18px;
            }
            .tip-item {
                padding: 16px 16px;
                flex-direction: column;
                gap: 10px;
            }
            .tip-item .num {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .footer-col ul li a {
                font-size: 0.8rem;
            }
            .logo {
                font-size: 0.95rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .channel-item {
                padding: 4px 10px;
                font-size: 0.72rem;
            }
            .cta-section {
                padding: 48px 0;
            }
        }

        /* ===== Utility ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .gap-4 {
            gap: 4px;
        }
        .gap-8 {
            gap: 8px;
        }
        .text-center {
            text-align: center;
        }

        /* ===== Mobile Menu Overlay (simple) ===== */
        @media (max-width: 768px) {
            .channel-nav {
                overflow-x: auto;
            }
            .channel-inner {
                flex-wrap: nowrap;
                justify-content: flex-start;
            }
        }

/* roulang page: article */
:root {
  --primary: #6c5ce7;
  --primary-dark: #5a4bd1;
  --primary-light: #a29bfe;
  --secondary: #fd79a8;
  --accent: #fdcb6e;
  --bg: #0f0f1a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --bg-section: #12121f;
  --text: #e8e8f0;
  --text-light: #a0a0b8;
  --text-muted: #6c6c88;
  --border: #2a2a45;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-hover: 0 12px 48px rgba(108,92,231,0.25);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --container: 1200px;
  --header-h: 70px;
  --nav-h: 52px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { line-height: 1.3; font-weight: 700; color: #fff; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: rgba(15,15,26,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.logo { font-size: 1.6rem; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 10px; letter-spacing: -0.5px; }
.logo i { color: var(--primary-light); font-size: 1.8rem; }
.logo:hover { color: var(--primary-light); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-actions .search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0 16px;
  height: 40px;
  transition: var(--transition);
}
.header-actions .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,92,231,0.2); }
.header-actions .search-box input {
  background: transparent;
  border: none;
  color: var(--text);
  padding: 8px 0;
  width: 160px;
  font-size: 0.9rem;
}
.header-actions .search-box input::placeholder { color: var(--text-muted); }
.header-actions .search-box button {
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 0 0 8px;
  transition: var(--transition);
}
.header-actions .search-box button:hover { color: var(--primary-light); }
.header-actions .btn-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border: none;
}
.header-actions .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108,92,231,0.35); }
.mobile-toggle { display: none; background: transparent; color: var(--text); font-size: 1.5rem; cursor: pointer; border: none; padding: 4px; }
@media (max-width: 768px) {
  .header-actions .search-box { display: none; }
  .header-actions .btn-cta { padding: 8px 16px; font-size: 0.85rem; }
  .mobile-toggle { display: block; }
}

/* Channel Nav */
.channel-nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  position: sticky;
  top: var(--header-h);
  z-index: 999;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar { display: none; }
.channel-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.channel-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 50px;
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
  border: 1px solid transparent;
}
.channel-item i { font-size: 0.85rem; }
.channel-item:hover { color: #fff; background: rgba(108,92,231,0.12); border-color: rgba(108,92,231,0.2); }
.channel-item.active { color: #fff; background: var(--primary); border-color: var(--primary); box-shadow: 0 4px 16px rgba(108,92,231,0.3); }
@media (max-width: 768px) {
  .channel-nav { top: var(--header-h); }
  .channel-item { padding: 6px 14px; font-size: 0.82rem; }
}

/* Article Hero */
.article-hero {
  padding: 60px 0 40px;
  background: linear-gradient(135deg, rgba(108,92,231,0.08), rgba(253,121,168,0.05));
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108,92,231,0.08), transparent 70%);
  pointer-events: none;
}
.article-hero-inner { position: relative; z-index: 1; max-width: 860px; margin: 0 auto; text-align: center; }
.article-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.article-breadcrumb a { color: var(--text-light); }
.article-breadcrumb a:hover { color: var(--primary-light); }
.article-breadcrumb .sep { color: var(--text-muted); }
.article-category-badge {
  display: inline-block;
  background: rgba(108,92,231,0.15);
  color: var(--primary-light);
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid rgba(108,92,231,0.2);
}
.article-hero h1 {
  font-size: 2.4rem;
  line-height: 1.3;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 40%, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-light);
}
.article-meta i { margin-right: 6px; color: var(--primary-light); }
@media (max-width: 768px) {
  .article-hero { padding: 40px 0 30px; }
  .article-hero h1 { font-size: 1.6rem; }
  .article-meta { gap: 12px; font-size: 0.82rem; }
}

/* Article Main */
.article-main {
  padding: 40px 0 60px;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}
.article-body {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.article-body .featured-image {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 32px;
  object-fit: cover;
  max-height: 480px;
}
.article-body .content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}
.article-body .content p { margin-bottom: 1.2em; }
.article-body .content h2, .article-body .content h3 { color: #fff; margin-top: 1.6em; margin-bottom: 0.6em; }
.article-body .content ul, .article-body .content ol { margin: 1em 0; padding-left: 1.5em; }
.article-body .content li { margin-bottom: 0.5em; color: var(--text-light); }
.article-body .content a { color: var(--primary-light); text-decoration: underline; }
.article-body .content blockquote {
  border-left: 4px solid var(--primary);
  padding: 12px 20px;
  margin: 1.2em 0;
  background: rgba(108,92,231,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-light);
  font-style: italic;
}
.article-body .content img { border-radius: var(--radius-sm); margin: 1.5em 0; }
.article-body .content code { background: rgba(108,92,231,0.1); padding: 2px 8px; border-radius: 4px; font-size: 0.9em; color: var(--secondary); }
.article-body .content pre { background: #0a0a14; padding: 20px; border-radius: var(--radius-sm); overflow-x: auto; margin: 1.2em 0; border: 1px solid var(--border); }
.article-body .content pre code { background: transparent; padding: 0; color: var(--text); }
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.article-tags .tag {
  display: inline-block;
  background: rgba(108,92,231,0.08);
  color: var(--text-light);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.article-tags .tag:hover { background: rgba(108,92,231,0.18); color: var(--primary-light); border-color: var(--primary); }
.article-nav-links {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  gap: 16px;
}
.article-nav-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-light);
  font-size: 0.9rem;
  transition: var(--transition);
  flex: 1;
  max-width: 48%;
}
.article-nav-links a:hover { border-color: var(--primary); color: #fff; background: rgba(108,92,231,0.06); }
.article-nav-links .next { justify-content: flex-end; text-align: right; }
@media (max-width: 992px) {
  .article-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .article-body { padding: 24px 20px; }
  .article-body .content { font-size: 1rem; }
  .article-nav-links { flex-direction: column; }
  .article-nav-links a { max-width: 100%; }
}

/* Sidebar */
.article-sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.sidebar-card h3 {
  font-size: 1.1rem;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-card h3 i { color: var(--primary-light); }
.sidebar-list li { margin-bottom: 12px; }
.sidebar-list li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: var(--transition);
  color: var(--text-light);
  font-size: 0.9rem;
}
.sidebar-list li a:hover { border-color: var(--primary); background: rgba(108,92,231,0.06); color: #fff; transform: translateX(4px); }
.sidebar-list li a .num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(108,92,231,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-light);
  flex-shrink: 0;
}
.sidebar-list li a .title-text { flex: 1; }
.sidebar-list li a .badge-hot {
  background: linear-gradient(135deg, var(--secondary), #e74c3c);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 10px;
  border-radius: 50px;
  font-weight: 600;
}
.sidebar-cta {
  text-align: center;
  padding: 30px 20px;
  background: linear-gradient(135deg, rgba(108,92,231,0.1), rgba(253,121,168,0.06));
  border: 1px solid rgba(108,92,231,0.15);
}
.sidebar-cta h4 { font-size: 1.1rem; margin-bottom: 8px; }
.sidebar-cta p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 16px; }
.sidebar-cta .btn-cta-small {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 10px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.sidebar-cta .btn-cta-small:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108,92,231,0.3); }
@media (max-width: 992px) {
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}
@media (max-width: 600px) {
  .article-sidebar { grid-template-columns: 1fr; }
}

/* Related Section */
.related-section {
  padding: 60px 0;
  background: var(--bg-section);
  border-top: 1px solid var(--border);
}
.related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 12px;
}
.related-header h2 { font-size: 1.8rem; }
.related-header h2 i { color: var(--primary-light); margin-right: 10px; }
.related-header a { font-size: 0.9rem; color: var(--text-light); display: flex; align-items: center; gap: 6px; }
.related-header a:hover { color: var(--primary-light); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(108,92,231,0.3); }
.related-card .card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.related-card .card-body { padding: 20px 22px; }
.related-card .card-body h4 { font-size: 1.05rem; margin-bottom: 8px; }
.related-card .card-body h4 a { color: #fff; }
.related-card .card-body h4 a:hover { color: var(--primary-light); }
.related-card .card-body p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-meta { display: flex; align-items: center; gap: 14px; font-size: 0.78rem; color: var(--text-muted); }
.related-card .card-meta i { margin-right: 4px; }
.related-card .card-meta .cat { color: var(--primary-light); }
@media (max-width: 992px) {
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr; }
  .related-header h2 { font-size: 1.4rem; }
}

/* Not Found */
.not-found-box {
  text-align: center;
  padding: 80px 20px;
}
.not-found-box i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; }
.not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
.not-found-box p { color: var(--text-light); margin-bottom: 24px; }
.not-found-box .btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
}
.not-found-box .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108,92,231,0.3); }

/* Footer */
.site-footer {
  background: #0a0a16;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .logo { font-size: 1.4rem; margin-bottom: 16px; display: inline-flex; }
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; max-width: 360px; }
.footer-col h4 { font-size: 1rem; color: #fff; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.88rem; transition: var(--transition); display: flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--primary-light); transform: translateX(4px); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary-light); }
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.mobile-nav-overlay.open { opacity: 1; visibility: visible; }
.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  z-index: 2001;
  padding: 24px;
  transition: var(--transition);
  overflow-y: auto;
  box-shadow: -8px 0 40px rgba(0,0,0,0.5);
}
.mobile-nav-panel.open { right: 0; }
.mobile-nav-panel .close-btn {
  background: transparent;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
  border: none;
  float: right;
  padding: 4px;
}
.mobile-nav-panel .mobile-links { margin-top: 48px; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-panel .mobile-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-size: 1rem;
  transition: var(--transition);
  border: 1px solid transparent;
}
.mobile-nav-panel .mobile-links a:hover { background: rgba(108,92,231,0.08); border-color: rgba(108,92,231,0.15); color: #fff; }
.mobile-nav-panel .mobile-links a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.mobile-nav-panel .mobile-links a i { width: 20px; text-align: center; }