/* roulang page: index */
:root {
  --primary: #4F46E5;
  --primary-light: #6366F1;
  --primary-dark: #3730A3;
  --accent: #F59E0B;
  --accent-light: #FBBF24;
  --bg-dark: #0B1220;
  --bg-dark-2: #111C2E;
  --bg-light: #F8FAFC;
  --card-bg: #FFFFFF;
  --text-main: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 36px rgba(0,0,0,0.12);
  --transition: all .25s ease;
  --container-w: 1240px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; color: var(--text-body); background: var(--bg-light); line-height: 1.6; font-weight: 400; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; border: 0; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 90px 0; }
.section-alt { background: var(--bg-light); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 52px; }
.section-tag { display: inline-block; background: rgba(79,70,229,0.08); color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: 2px; padding: 6px 18px; border-radius: 100px; margin-bottom: 14px; text-transform: uppercase; }
.section-header h2 { font-size: 36px; font-weight: 700; color: var(--text-main); line-height: 1.2; margin-bottom: 12px; letter-spacing: -0.5px; }
.section-header p { font-size: 16px; color: var(--text-muted); line-height: 1.7; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 30px; border-radius: 100px; font-weight: 600; font-size: 15px; line-height: 1; transition: var(--transition); cursor: pointer; border: 2px solid transparent; }
.btn i { font-size: 14px; }
.btn-primary { background: var(--accent); color: #0F172A; box-shadow: 0 4px 18px rgba(245,158,11,0.35); }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,158,11,0.45); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.btn-dark { background: var(--primary); color: #fff; box-shadow: 0 4px 18px rgba(79,70,229,0.3); }
.btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(79,70,229,0.4); }
.badge { display: inline-block; padding: 4px 14px; border-radius: 100px; font-size: 12px; font-weight: 600; letter-spacing: 0.5px; }
.badge-primary { background: rgba(79,70,229,0.1); color: var(--primary); }
.badge-accent { background: rgba(245,158,11,0.12); color: #B45309; }
.badge-dark { background: rgba(11,18,32,0.08); color: var(--text-main); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid rgba(226,232,240,0.7); box-shadow: 0 2px 20px rgba(0,0,0,0.04); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { font-size: 21px; font-weight: 800; color: var(--text-main); display: flex; align-items: center; gap: 10px; letter-spacing: -0.5px; }
.brand i { color: var(--primary); font-size: 26px; }
.brand span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a { color: var(--text-body); font-weight: 500; font-size: 15px; position: relative; padding: 6px 2px; }
.main-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; border-radius: 2px; background: var(--primary); transition: var(--transition); }
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-actions .btn { padding: 10px 24px; font-size: 14px; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; background: rgba(79,70,229,0.08); color: var(--primary); font-size: 20px; cursor: pointer; align-items: center; justify-content: center; transition: var(--transition); }
.nav-toggle:hover { background: rgba(79,70,229,0.15); }

/* Hero */
.hero { position: relative; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; padding: 140px 0 120px; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11,18,32,0.92) 0%, rgba(11,18,32,0.78) 45%, rgba(79,70,229,0.55) 100%); }
.hero::after { content: ''; position: absolute; bottom: -60px; left: 0; right: 0; height: 120px; background: linear-gradient(to top, var(--bg-light), transparent); }
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-badges { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
.hero-badges .badge { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.25); backdrop-filter: blur(8px); padding: 6px 16px; font-size: 13px; }
.hero h1 { font-size: 52px; line-height: 1.15; color: #fff; font-weight: 800; letter-spacing: -1px; margin-bottom: 20px; }
.hero h1 .gradient-text { background: linear-gradient(120deg, #FBBF24, #F59E0B); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p.lead { font-size: 18px; color: rgba(255,255,255,0.85); line-height: 1.7; margin-bottom: 36px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.2); }
.hero-stat { text-align: left; }
.hero-stat .num { font-size: 30px; font-weight: 800; color: #fff; line-height: 1; }
.hero-stat .num small { font-size: 16px; color: var(--accent-light); }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 6px; }

/* Stats Section */
.stats-section { padding: 70px 0; background: var(--bg-dark); position: relative; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.15; }
.stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stat-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 36px 28px; text-align: center; transition: var(--transition); }
.stat-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); border-color: rgba(245,158,11,0.4); }
.stat-icon { font-size: 32px; color: var(--accent); margin-bottom: 14px; }
.stat-card .num { font-size: 44px; font-weight: 800; color: #fff; line-height: 1.1; }
.stat-card .num small { font-size: 20px; color: var(--accent-light); }
.stat-card .label { color: rgba(255,255,255,0.65); font-size: 14px; margin-top: 10px; }

/* Featured Games */
.featured-games { padding: 90px 0; background: var(--bg-light); }
.games-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.game-card { background: var(--card-bg); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); }
.game-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.game-cover { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.game-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.game-card:hover .game-cover img { transform: scale(1.06); }
.game-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,18,32,0.7), transparent 60%); }
.game-card-body { padding: 24px; position: relative; }
.game-card-body .badge { position: absolute; top: -14px; right: 20px; background: var(--primary); color: #fff; padding: 5px 14px; box-shadow: 0 4px 12px rgba(79,70,229,0.3); }
.game-card-body h3 { font-size: 19px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.game-card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.game-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-muted); }
.game-meta .rate { color: var(--accent); font-weight: 700; }

/* Categories */
.categories-section { padding: 90px 0; background: var(--bg-dark); position: relative; }
.categories-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; opacity: 0.1; }
.categories-section .section-header h2 { color: #fff; }
.categories-section .section-header p { color: rgba(255,255,255,0.6); }
.categories-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.category-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 320px; display: flex; align-items: flex-end; box-shadow: 0 8px 40px rgba(0,0,0,0.3); transition: var(--transition); cursor: pointer; }
.category-card:hover { transform: translateY(-6px); box-shadow: 0 16px 50px rgba(0,0,0,0.4); }
.category-card .cat-bg { position: absolute; inset: 0; }
.category-card .cat-bg img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.category-card:hover .cat-bg img { transform: scale(1.05); }
.category-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,18,32,0.88) 20%, rgba(11,18,32,0.3) 60%, transparent); }
.category-card-content { position: relative; z-index: 2; padding: 32px; color: #fff; width: 100%; }
.category-card-content h3 { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.category-card-content p { font-size: 15px; color: rgba(255,255,255,0.75); margin-bottom: 16px; line-height: 1.6; }
.category-card-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #0F172A; padding: 10px 22px; border-radius: 100px; font-weight: 600; font-size: 14px; transition: var(--transition); }
.category-card-btn:hover { background: var(--accent-light); gap: 12px; }

/* Features */
.features-section { padding: 90px 0; background: var(--bg-light); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.feature-card { background: var(--card-bg); border-radius: var(--radius); padding: 36px 28px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition); text-align: center; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(79,70,229,0.3); }
.feature-icon { width: 68px; height: 68px; border-radius: 20px; background: linear-gradient(135deg, rgba(79,70,229,0.1), rgba(79,70,229,0.04)); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 28px; color: var(--primary); transition: var(--transition); }
.feature-card:hover .feature-icon { background: var(--primary); color: #fff; transform: scale(1.05); }
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--text-main); margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* News Section */
.news-section { padding: 90px 0; background: #fff; }
.news-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.news-featured { background: var(--bg-dark); border-radius: var(--radius-lg); overflow: hidden; position: relative; min-height: 420px; display: flex; align-items: flex-end; padding: 36px; box-shadow: var(--shadow-lg); }
.news-featured::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.25; }
.news-featured::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,18,32,0.95), rgba(11,18,32,0.3)); }
.news-featured-content { position: relative; z-index: 3; color: #fff; }
.news-featured-content .badge { background: rgba(245,158,11,0.9); color: #0F172A; margin-bottom: 12px; }
.news-featured-content h3 { font-size: 26px; font-weight: 700; line-height: 1.3; margin-bottom: 12px; }
.news-featured-content p { color: rgba(255,255,255,0.8); font-size: 15px; line-height: 1.7; margin-bottom: 16px; }
.news-featured-content time { font-size: 13px; color: rgba(255,255,255,0.6); }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; transition: var(--transition); }
.news-item:hover { box-shadow: var(--shadow); border-color: rgba(79,70,229,0.25); transform: translateX(4px); }
.news-item-main { flex: 1; }
.news-item-main .badge { margin-bottom: 6px; }
.news-item-main h3 { font-size: 16px; font-weight: 600; color: var(--text-main); margin-bottom: 4px; line-height: 1.4; }
.news-item-main p { font-size: 13px; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item time { font-size: 12px; color: var(--text-muted); white-space: nowrap; padding-top: 4px; }
.news-empty { background: var(--bg-light); border: 1px dashed var(--border); border-radius: var(--radius); padding: 60px 30px; text-align: center; color: var(--text-muted); font-size: 15px; grid-column: 1 / -1; }

/* Steps */
.steps-section { padding: 90px 0; background: var(--bg-light); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; max-width: 980px; margin: 0 auto; }
.step-card { text-align: center; padding: 40px 24px; position: relative; }
.step-number { width: 66px; height: 66px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 24px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 22px; box-shadow: 0 8px 30px rgba(79,70,229,0.3); position: relative; z-index: 2; }
.step-card::before { content: ''; position: absolute; top: 33px; right: -18px; width: 36px; height: 2px; background: linear-gradient(90deg, var(--primary-light), var(--accent)); z-index: 1; }
.step-card:last-child::before { display: none; }
.step-card h3 { font-size: 19px; font-weight: 700; color: var(--text-main); margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* FAQ */
.faq-section { padding: 90px 0; background: #fff; }
.faq-list { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(79,70,229,0.25); }
.faq-question { width: 100%; padding: 22px 28px; display: flex; justify-content: space-between; align-items: center; gap: 16px; cursor: pointer; text-align: left; font-size: 16px; font-weight: 600; color: var(--text-main); transition: var(--transition); }
.faq-question i { color: var(--primary); font-size: 16px; transition: transform .3s ease; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; padding: 0 28px; }
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 22px; }
.faq-answer p { font-size: 15px; color: var(--text-body); line-height: 1.7; }

/* CTA */
.cta-section { position: relative; padding: 100px 0; background: var(--bg-dark); text-align: center; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.2; }
.cta-section::after { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(79,70,229,0.35), transparent 70%); }
.cta-content { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-size: 40px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-content p { font-size: 16px; color: rgba(255,255,255,0.75); line-height: 1.7; margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: #0B1220; padding: 70px 0 0; color: rgba(255,255,255,0.6); }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 50px; }
.footer-brand .brand { color: #fff; margin-bottom: 18px; font-size: 24px; }
.footer-brand .brand i { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-bottom: 22px; max-width: 300px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); font-size: 16px; transition: var(--transition); }
.footer-social a:hover { background: var(--accent); color: #0F172A; border-color: var(--accent); transform: translateY(-3px); }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom .domain { color: rgba(255,255,255,0.6); }

/* Responsive */
@media (max-width: 1024px) {
  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 42px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section-padding { padding: 60px 0; }
  .main-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: flex-start; padding: 20px 24px; gap: 16px; border-bottom: 1px solid var(--border); box-shadow: 0 12px 30px rgba(0,0,0,0.08); }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .hero { padding: 100px 0 80px; }
  .hero h1 { font-size: 32px; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: 1fr; }
  .news-wrapper { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; max-width: 400px; }
  .step-card::before { display: none; }
  .cta-content h2 { font-size: 30px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .section-header h2 { font-size: 26px; }
  .games-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-card { padding: 24px 16px; }
  .stat-card .num { font-size: 32px; }
  .hero h1 { font-size: 28px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .news-item { flex-direction: column; }
  .news-item time { align-self: flex-end; }
}

/* roulang page: article */
:root {
  --primary: #6c5ce7;
  --primary-600: #5847d9;
  --primary-100: #eae7fd;
  --secondary: #fd79a8;
  --accent: #ffeaa7;
  --dark: #1e1e2f;
  --dark-soft: #252538;
  --bg: #f4f3fa;
  --white: #ffffff;
  --text: #2d3436;
  --text-weak: #7b8494;
  --border: #e6e4f0;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(108, 92, 231, 0.08);
  --shadow-hover: 0 14px 40px rgba(108, 92, 231, 0.16);
  --transition: all 0.25s ease;
}

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

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dark);
}

p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(30, 30, 47, 0.05);
  transition: box-shadow 0.3s ease;
}

.site-header.is-stuck {
  box-shadow: 0 4px 24px rgba(30, 30, 47, 0.09);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  color: var(--dark);
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.brand i {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: 13px;
  font-size: 17px;
  box-shadow: 0 6px 16px rgba(108, 92, 231, 0.3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-weak);
  border-radius: 999px;
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--primary);
  background: var(--primary-100);
}

.main-nav a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  box-shadow: 0 6px 16px rgba(108, 92, 231, 0.28);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  color: var(--dark);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  line-height: 1.3;
  outline: none;
}

.btn:focus-visible {
  outline: 3px solid rgba(108, 92, 231, 0.35);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  color: #fff;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(108, 92, 231, 0.4);
  color: #fff;
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 6px 14px rgba(108, 92, 231, 0.24);
}

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
  color: var(--primary-600);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  color: #fff;
}

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  padding: 90px 0 70px;
  background-size: cover;
  background-position: center;
  color: #fff;
  isolation: isolate;
}

.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 30, 47, 0.85) 0%, rgba(108, 92, 231, 0.72) 60%, rgba(253, 121, 168, 0.35) 100%);
  z-index: -1;
}

.article-hero .hero-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 20px;
}

.article-hero .hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition);
}

.article-hero .hero-breadcrumb a:hover {
  color: #fff;
}

.article-hero .hero-breadcrumb i {
  font-size: 11px;
  opacity: 0.7;
}

.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  margin-bottom: 18px;
  backdrop-filter: blur(6px);
}

.article-hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  max-width: 900px;
  margin-bottom: 22px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.article-hero .article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.article-hero .article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.article-hero .article-meta i {
  font-size: 13px;
  opacity: 0.85;
}

/* ===== 正文与侧边栏 ===== */
.article-content-section {
  padding: 50px 0 64px;
}

.article-main {
  margin-bottom: 32px;
}

.article-body {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: clamp(24px, 4vw, 52px);
}

.article-media {
  margin: 0 0 34px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(30, 30, 47, 0.1);
}

.article-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.article-media figcaption {
  padding: 12px 18px;
  background: var(--primary-100);
  font-size: 13px;
  color: var(--text-weak);
  text-align: center;
}

.article-content-text {
  font-size: 16px;
  line-height: 1.95;
  color: var(--text);
}

.article-content-text p {
  margin-bottom: 22px;
}

.article-content-text h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  margin: 42px 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.35;
}

.article-content-text h3 {
  font-size: 21px;
  font-weight: 700;
  margin: 34px 0 14px;
}

.article-content-text ul,
.article-content-text ol {
  padding-left: 22px;
  margin-bottom: 22px;
}

.article-content-text ul li {
  list-style: disc;
  margin-bottom: 10px;
}

.article-content-text ol li {
  list-style: decimal;
  margin-bottom: 10px;
}

.article-content-text blockquote {
  border-left: 4px solid var(--secondary);
  background: #fff9fb;
  padding: 18px 24px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  color: var(--text-weak);
  font-style: italic;
}

.article-content-text img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 24px 0;
}

/* 侧边栏 */
.article-sidebar .cell-inner {
  position: sticky;
  top: 96px;
}

.sidebar-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.sidebar-card h4 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--dark);
}

.sidebar-card h4 i {
  color: var(--primary);
  font-size: 16px;
}

.heat-value {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.heat-value strong {
  font-size: 30px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.heat-value span {
  font-size: 13px;
  color: var(--text-weak);
  background: var(--primary-100);
  padding: 4px 12px;
  border-radius: 999px;
}

.heat-bar {
  height: 10px;
  background: #eeeafc;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 14px;
}

.heat-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 999px;
}

.sidebar-card p {
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 0;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tags-list a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-100);
  border-radius: 999px;
  padding: 8px 16px;
  transition: var(--transition);
}

.tags-list a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(108, 92, 231, 0.28);
}

.latest-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.latest-list li:last-child {
  border-bottom: none;
}

.latest-list a {
  display: flex;
  align-items: center;
  gap: 14px;
}

.date-block {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--primary-100);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.latest-list a:hover .date-block {
  background: var(--primary);
}

.latest-list a:hover .date-block strong,
.latest-list a:hover .date-block em {
  color: #fff;
}

.date-block strong {
  color: var(--primary);
  font-size: 17px;
  line-height: 1.05;
  transition: var(--transition);
}

.date-block em {
  font-style: normal;
  font-size: 11px;
  color: var(--text-weak);
  transition: var(--transition);
}

.list-content {
  flex: 1;
  min-width: 0;
}

.list-content strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.latest-list a:hover .list-content strong {
  color: var(--primary);
}

.list-content em {
  font-style: normal;
  font-size: 12px;
  color: var(--text-weak);
}

/* ===== 推荐板块 ===== */
.related-section {
  padding: 64px 0 72px;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--primary);
  background: var(--primary-100);
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.section-header h2 {
  font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 8px;
}

.section-header p {
  color: var(--text-weak);
  font-size: 15px;
}

.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(108, 92, 231, 0.25);
}

.related-card-media {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.related-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30, 30, 47, 0.25), transparent 60%);
  opacity: 0;
  transition: var(--transition);
}

.related-card:hover .related-card-media::after {
  opacity: 1;
}

.related-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 8px;
}

.related-card-body .card-cat {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-100);
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 999px;
}

.related-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--dark);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.related-meta {
  font-size: 12px;
  color: var(--text-weak);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* ===== FAQ ===== */
.article-faq {
  padding: 72px 0;
  background: var(--bg);
}

.faq-grid {
  row-gap: 24px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
  height: 100%;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.faq-item h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-item h3 i {
  color: var(--primary);
  font-size: 15px;
}

.faq-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  margin-bottom: 0;
}

/* ===== CTA ===== */
.article-cta {
  position: relative;
  padding: 80px 0;
  text-align: center;
  background-size: cover;
  background-position: center;
  isolation: isolate;
  color: #fff;
}

.article-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 30, 47, 0.88), rgba(108, 92, 231, 0.78));
  z-index: -1;
}

.article-cta h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
}

.article-cta p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 28px;
}

.article-cta .btn {
  font-size: 16px;
  padding: 14px 38px;
}

/* ===== 内容未找到 ===== */
.not-found-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
}

.not-found-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 56px 40px;
  text-align: center;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

.nf-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  background: var(--primary-100);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.not-found-box h1 {
  font-size: 30px;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 12px;
}

.not-found-box p {
  color: var(--text-weak);
  margin-bottom: 26px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
  max-width: 380px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-3px);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom .domain {
  color: rgba(255, 255, 255, 0.25);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-content-section .grid-x {
    display: block;
  }
  .article-sidebar .cell-inner {
    position: static;
    margin-top: 24px;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    box-shadow: 0 20px 40px rgba(30, 30, 47, 0.12);
    border-bottom: 1px solid var(--border);
    display: none;
    gap: 6px;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    padding: 14px 18px;
    border-radius: 12px;
    text-align: center;
  }
  .nav-toggle {
    display: flex;
  }
  .header-actions .btn-primary {
    padding: 10px 16px;
    font-size: 13px;
  }
  .related-section .related-card-media {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 640px) {
  .article-hero {
    padding: 64px 0 48px;
  }
  .article-hero h1 {
    font-size: 28px;
  }
  .article-body {
    padding: 20px;
    border-radius: 16px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .header-actions .btn-primary span {
    display: none;
  }
  .header-actions .btn-primary {
    width: 44px;
    padding: 0;
  }
  .not-found-box {
    padding: 40px 24px;
  }
  .related-section .related-card-media {
    aspect-ratio: 4 / 3;
  }
}

/* roulang page: category1 */
/* ==========================================================
           设计变量
        ========================================================== */
        :root {
            --primary: #6d5cf6;
            --primary-dark: #5543d9;
            --primary-light: #8b7cf8;
            --accent: #f5a623;
            --accent-light: #ffc94d;
            --bg-dark: #10132b;
            --bg-dark-2: #181c3d;
            --bg-light: #f6f7fd;
            --text-main: #1e2135;
            --text-weak: #6f7487;
            --border: #e8eaf3;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 12px rgba(30, 33, 53, 0.06);
            --shadow: 0 12px 32px rgba(30, 33, 53, 0.10);
            --shadow-lg: 0 24px 50px rgba(30, 33, 53, 0.16);
            --shadow-primary: 0 6px 24px rgba(109, 92, 246, 0.4);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ==========================================================
           Reset / 基础
        ========================================================== */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        html,
        body {
            margin: 0;
            padding: 0;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background: #fff;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            font-size: 16px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
        }
        p {
            margin: 0;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(109, 92, 246, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ==========================================================
           容器
        ========================================================== */
        .container,
        .grid-container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* ==========================================================
           按钮
        ========================================================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn i {
            font-size: 1rem;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(109, 92, 246, 0.5);
            color: #fff;
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent) 0%, #ff8a3d 100%);
            color: #fff;
            box-shadow: 0 6px 22px rgba(245, 166, 35, 0.36);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245, 166, 35, 0.5);
            color: #fff;
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.45);
            color: #fff;
            backdrop-filter: blur(8px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.24);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
        }
        .btn-white:hover {
            background: #f8f7ff;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-light {
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            backdrop-filter: blur(6px);
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, 0.28);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: 18px;
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 1.05rem;
            border-radius: 30px;
        }

        /* ==========================================================
           Header / 导航
        ========================================================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(30, 33, 53, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 16px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-main);
            flex-shrink: 0;
        }
        .brand i {
            color: var(--primary);
            font-size: 1.8rem;
            filter: drop-shadow(0 2px 8px rgba(109, 92, 246, 0.4));
        }
        .brand span {
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }
        .main-nav a {
            padding: 9px 20px;
            border-radius: 22px;
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            background: rgba(109, 92, 246, 0.08);
            color: var(--primary);
        }
        .main-nav a.active {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(109, 92, 246, 0.35);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: #fff;
            border: 1px solid var(--border);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            font-size: 1.15rem;
            color: var(--text-main);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: #f5f4fe;
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ==========================================================
           Hero / 首屏
        ========================================================== */
        .page-hero {
            position: relative;
            padding: 120px 0 120px;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-dark);
            color: #fff;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 19, 43, 0.94) 0%, rgba(16, 19, 43, 0.72) 45%, rgba(109, 92, 246, 0.38) 100%);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0;
            padding-left: 24px;
            padding-right: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.24);
            backdrop-filter: blur(8px);
            padding: 7px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 2px;
            margin-bottom: 24px;
            color: #fff;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .page-hero h1 {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-sub {
            font-size: 1.15rem;
            max-width: 620px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }
        .stat-item {
            text-align: center;
            padding: 0 10px;
            position: relative;
        }
        .stat-item + .stat-item::before {
            content: "";
            position: absolute;
            left: -24px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 36px;
            background: rgba(255, 255, 255, 0.2);
        }
        .stat-num {
            display: block;
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
            letter-spacing: 1px;
        }

        /* ==========================================================
           Section 通用
        ========================================================== */
        .section {
            padding: 100px 0;
        }
        .section-header {
            max-width: 760px;
            margin-bottom: 56px;
        }
        .section-header.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header.split {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .section-header.left {
            text-align: left;
            margin-left: 0;
        }
        .section-header.light h2 {
            color: #fff;
        }
        .section-header.light .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, rgba(109, 92, 246, 0.1), rgba(245, 166, 35, 0.1));
            color: var(--primary);
            padding: 5px 18px;
            border-radius: 22px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }
        .section-header h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-desc {
            color: var(--text-weak);
            font-size: 1.02rem;
            line-height: 1.6;
        }

        /* ==========================================================
           热度榜
        ========================================================== */
        .hot-section {
            background: var(--bg-light);
        }
        .hot-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .hot-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
        }
        .hot-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .hot-card-media {
            position: relative;
            aspect-ratio: 4 / 5;
            overflow: hidden;
            background: #e9eaf6;
        }
        .hot-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .hot-card:hover .hot-card-media img {
            transform: scale(1.05);
        }
        .hot-rank {
            position: absolute;
            top: 14px;
            left: 14px;
            background: linear-gradient(135deg, #1e2140, #2e3163);
            color: #fff;
            font-weight: 800;
            font-size: 0.95rem;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
            letter-spacing: 0.5px;
        }
        .hot-card.rank-1 .hot-rank {
            background: linear-gradient(135deg, var(--accent), #ff8a3d);
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.4);
        }
        .hot-card.rank-2 .hot-rank {
            background: linear-gradient(135deg, #8b9bb5, #a8b8cf);
            box-shadow: 0 4px 14px rgba(139, 155, 181, 0.4);
        }
        .hot-card.rank-3 .hot-rank {
            background: linear-gradient(135deg, #c47c47, #d8a06f);
            box-shadow: 0 4px 14px rgba(196, 124, 71, 0.4);
        }
        .hot-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hot-tag i {
            color: var(--accent);
        }
        .hot-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .hot-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .hot-meta {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .hot-meta .label {
            background: #f0f1fb;
            color: var(--primary);
            padding: 3px 12px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.76rem;
            display: inline-block;
        }
        .hot-desc {
            color: var(--text-weak);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 14px;
            min-height: 44px;
        }
        .hot-progress {
            height: 4px;
            background: #eef0f6;
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .hot-progress span {
            display: block;
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
        .hot-stats {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }
        .hot-rating {
            color: var(--accent);
            font-weight: 700;
            font-size: 0.95rem;
        }
        .hot-rating i {
            margin-right: 2px;
            color: var(--accent);
        }
        .hot-link {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--primary);
        }
        .hot-link i {
            transition: transform 0.3s ease;
            font-size: 0.78rem;
        }
        .hot-link:hover i {
            transform: translateX(4px);
        }

        /* ==========================================================
           时间线 / 更新日历
        ========================================================== */
        .timeline-section {
            position: relative;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-dark);
            color: #fff;
        }
        .timeline-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 19, 43, 0.92) 0%, rgba(16, 19, 43, 0.78) 60%, rgba(109, 92, 246, 0.28) 100%);
        }
        .timeline-section .grid-container {
            position: relative;
            z-index: 2;
        }
        .timeline-list {
            position: relative;
            padding-left: 34px;
            max-width: 860px;
        }
        .timeline-list::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
        }
        .timeline-item {
            position: relative;
            padding: 24px 30px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            margin-bottom: 22px;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        .timeline-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateX(4px);
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -31px;
            top: 30px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid rgba(255, 255, 255, 0.24);
        }
        .timeline-date {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 166, 35, 0.14);
            padding: 4px 14px;
            border-radius: 20px;
        }
        .timeline-item h3 {
            color: #fff;
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .timeline-item p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ==========================================================
           编辑精选 / 推荐卡片
        ========================================================== */
        .recommend-section {
            background: #fff;
        }
        .recommend-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 3 / 4;
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            display: block;
            transition: var(--transition);
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .recommend-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .recommend-card:hover img {
            transform: scale(1.07);
        }
        .recommend-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 35%, rgba(16, 19, 43, 0.92) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 22px;
            transition: background 0.4s ease;
        }
        .recommend-card:hover .recommend-overlay {
            background: linear-gradient(180deg, rgba(16, 19, 43, 0.1) 0%, rgba(16, 19, 43, 0.95) 100%);
        }
        .recommend-tag {
            display: inline-block;
            background: rgba(245, 166, 35, 0.2);
            border: 1px solid rgba(245, 166, 35, 0.4);
            color: var(--accent-light);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 14px;
            border-radius: 18px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .recommend-overlay h3 {
            color: #fff;
            font-size: 1.12rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 6px;
        }
        .recommend-meta {
            display: flex;
            gap: 14px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.8rem;
            margin-bottom: 14px;
        }
        .recommend-meta i {
            color: var(--accent);
            margin-right: 2px;
        }
        .recommend-overlay .btn-sm {
            align-self: flex-start;
        }

        /* ==========================================================
           资讯列表
        ========================================================== */
        .news-section {
            background: var(--bg-light);
        }
        .news-list {
            max-width: 900px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 10px 26px;
        }
        .news-list-item {
            display: flex;
            align-items: center;
            gap: 22px;
            padding: 22px 0;
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            padding-left: 14px;
            padding-right: 14px;
            background: #faf9ff;
            border-radius: 14px;
        }
        .news-date {
            flex-shrink: 0;
            text-align: center;
            background: #f0f1fb;
            border-radius: 14px;
            padding: 8px 16px;
            min-width: 64px;
        }
        .news-date .day {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }
        .news-date .month {
            font-size: 0.72rem;
            color: var(--text-weak);
            letter-spacing: 1px;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-main);
            transition: color 0.3s ease;
        }
        .news-info p {
            color: var(--text-weak);
            font-size: 0.9rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item:hover .news-info h3 {
            color: var(--primary);
        }
        .news-tag {
            flex-shrink: 0;
            background: linear-gradient(135deg, rgba(109, 92, 246, 0.1), rgba(245, 166, 35, 0.1));
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 18px;
            font-size: 0.78rem;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ==========================================================
           类型导航
        ========================================================== */
        .type-section {
            background: #fff;
        }
        .type-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 22px 24px;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }
        .type-item:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 28px rgba(109, 92, 246, 0.12);
            transform: translateY(-4px);
        }
        .type-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(109, 92, 246, 0.12), rgba(245, 166, 35, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .type-item:hover .type-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 14px rgba(109, 92, 246, 0.3);
        }
        .type-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 0;
        }
        .type-info strong {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .type-info em {
            font-style: normal;
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        .type-arrow {
            margin-left: auto;
            color: #c6c9d4;
            font-size: 0.85rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .type-item:hover .type-arrow {
            color: var(--primary);
            transform: translateX(5px);
        }

        /* ==========================================================
           FAQ
        ========================================================== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px 28px;
            margin-bottom: 16px;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            list-style: none;
            color: var(--text-main);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: "Q";
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 0.8rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 2px 10px rgba(109, 92, 246, 0.3);
        }
        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            margin-left: auto;
            font-size: 0.8rem;
            color: var(--text-weak);
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-answer {
            margin-top: 16px;
            padding-left: 38px;
            color: var(--text-weak);
            font-size: 0.94rem;
            line-height: 1.7;
            border-top: 1px dashed var(--border);
            padding-top: 16px;
        }
        .faq-answer p {
            margin: 0;
        }

        /* ==========================================================
           CTA
        ========================================================== */
        .cta-section {
            background: #fff;
            padding-top: 80px;
            padding-bottom: 80px;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #9a7aff 100%);
            border-radius: 28px;
            padding: 72px 56px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-box::before {
            content: "";
            position: absolute;
            width: 340px;
            height: 340px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            top: -130px;
            right: -70px;
        }
        .cta-box::after {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.07);
            border-radius: 50%;
            bottom: -90px;
            left: 30px;
        }
        .cta-box h2 {
            font-size: clamp(1.7rem, 4vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.88);
            max-width: 540px;
            margin: 0 auto 38px;
            font-size: 1.05rem;
            position: relative;
            z-index: 2;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* ==========================================================
           Footer
        ========================================================== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 30px;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 46px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 26px;
        }
        .footer-brand .brand {
            color: #fff;
            font-size: 1.45rem;
        }
        .footer-brand .brand i {
            color: var(--primary-light);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin: 18px 0;
            max-width: 380px;
            line-height: 1.8;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 22px;
            letter-spacing: 1px;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-bottom {
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.85rem;
            padding-top: 6px;
        }
        .footer-bottom .domain {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ==========================================================
           响应式
        ========================================================== */
        @media (max-width: 1024px) {
            .container,
            .grid-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .hot-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .section {
                padding: 80px 0;
            }
            .timeline-list {
                padding-left: 30px;
            }
            .timeline-item::before {
                left: -27px;
            }
            .footer-main {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 66px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .main-nav {
                position: fixed;
                top: 66px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 24px;
                gap: 6px;
                box-shadow: 0 24px 48px rgba(30, 33, 53, 0.14);
                display: none;
                border-bottom: 1px solid var(--border);
                z-index: 99;
                margin: 0;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 13px 20px;
                text-align: center;
                font-size: 1rem;
                border-radius: 14px;
            }
            .header-actions .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .page-hero {
                padding: 80px 0 90px;
            }
            .hero-actions {
                gap: 12px;
            }
            .hero-stats {
                gap: 20px;
            }
            .stat-item + .stat-item::before {
                left: -10px;
            }
            .section {
                padding: 64px 0;
            }
            .section-header.split {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .timeline-item {
                padding: 20px 20px;
            }
            .timeline-list {
                padding-left: 26px;
            }
            .timeline-item::before {
                left: -23px;
                width: 12px;
                height: 12px;
            }
            .news-list {
                padding: 6px 18px;
            }
            .news-list-item {
                gap: 14px;
                padding: 18px 0;
            }
            .news-date {
                padding: 6px 12px;
                min-width: 54px;
            }
            .news-date .day {
                font-size: 1.1rem;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .cta-box {
                padding: 50px 28px;
                border-radius: 20px;
            }
        }
        @media (max-width: 560px) {
            .header-actions .btn span {
                display: none;
            }
            .header-actions .btn i {
                margin: 0;
            }
            .header-actions .btn {
                padding: 10px 14px;
                border-radius: 14px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 14px;
            }
            .stat-num {
                font-size: 1.4rem;
            }
            .stat-label {
                font-size: 0.74rem;
            }
            .hot-list {
                grid-template-columns: 1fr;
            }
            .recommend-card {
                aspect-ratio: 4 / 5;
            }
            .news-list-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .news-tag {
                margin-left: 76px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .faq-item {
                padding: 18px 20px;
            }
            .faq-answer {
                padding-left: 0;
            }
        }

/* roulang page: category2 */
:root{
  --primary:#6366f1;
  --primary-dark:#4f46e5;
  --primary-light:#a5b4fc;
  --accent:#f59e0b;
  --accent-soft:#fbbf24;
  --bg-body:#0f1117;
  --bg-hero:#131722;
  --bg-card:#1a1d29;
  --bg-card-h:#222636;
  --bg-line:rgba(255,255,255,0.06);
  --text-main:#e8ebf3;
  --text-sub:#9aa3b5;
  --text-weak:#717a8c;
  --border:rgba(255,255,255,0.08);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(0,0,0,0.35);
  --shadow-h:0 14px 40px rgba(99,102,241,0.18);
  --trans:all .3s ease;
  --space:90px;
  --space-sm:56px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg-body);
  color:var(--text-main);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--space) 0}
.section-sm{padding:var(--space-sm) 0}
.text-center{text-align:center}
.section-head{margin-bottom:44px}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--primary-light);
  background:rgba(99,102,241,0.12);
  padding:6px 16px;
  border-radius:30px;
  margin-bottom:12px;
}
.section-head h2{
  font-size:34px;
  line-height:1.25;
  font-weight:800;
  margin:0 0 10px;
  letter-spacing:-.5px;
}
.section-head p{
  color:var(--text-sub);
  font-size:16px;
  max-width:680px;
  margin:0 auto;
}
.hero-category{
  position:relative;
  padding:120px 0 90px;
  background:linear-gradient(135deg,rgba(15,17,23,.92),rgba(30,27,75,.85)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--border);
}
.hero-category .container{position:relative;z-index:2}
.hero-category .tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--accent-soft);
  background:rgba(245,158,11,.12);
  border:1px solid rgba(245,158,11,.25);
  padding:6px 18px;
  border-radius:30px;
  margin-bottom:18px;
}
.hero-category h1{
  font-size:44px;
  line-height:1.2;
  font-weight:900;
  margin:0 0 14px;
  letter-spacing:-1px;
}
.hero-category h1 span{color:var(--primary-light)}
.hero-category .sub{
  font-size:17px;
  color:var(--text-sub);
  max-width:640px;
  margin-bottom:36px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:12px 28px;
  border-radius:30px;
  transition:var(--trans);
  border:1px solid transparent;
  cursor:pointer;
  line-height:1.4;
}
.btn i{font-size:15px}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 4px 18px rgba(99,102,241,0.35);
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(79,70,229,0.45);
}
.btn-outline{
  background:transparent;
  color:var(--text-main);
  border-color:var(--border);
}
.btn-outline:hover{
  border-color:var(--primary-light);
  color:var(--primary-light);
  background:rgba(99,102,241,.08);
}
/* header */
.site-header{
  background:rgba(15,17,23,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:999;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  color:var(--text-main);
  letter-spacing:-.5px;
  white-space:nowrap;
}
.brand i{
  font-size:26px;
  color:var(--primary);
  background:rgba(99,102,241,.15);
  width:38px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.main-nav a{
  padding:8px 16px;
  border-radius:30px;
  font-size:14px;
  font-weight:600;
  color:var(--text-sub);
  transition:var(--trans);
  border:1px solid transparent;
}
.main-nav a:hover{
  color:var(--text-main);
  background:rgba(255,255,255,.06);
}
.main-nav a.active{
  color:#fff;
  background:var(--primary);
  box-shadow:0 4px 14px rgba(99,102,241,.3);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.header-actions .btn{padding:9px 22px;font-size:14px}
.nav-toggle{
  display:none;
  font-size:22px;
  width:42px;
  height:42px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  align-items:center;
  justify-content:center;
}
/* stats strip */
.stats-strip{
  border-bottom:1px solid var(--border);
  background:var(--bg-hero);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:30px 0;
}
.stat-item{
  text-align:center;
  padding:14px 10px;
}
.stat-item .num{
  font-size:32px;
  font-weight:900;
  color:var(--primary-light);
  line-height:1.2;
}
.stat-item .num em{font-style:normal;font-size:18px;margin-left:2px}
.stat-item .label{font-size:14px;color:var(--text-sub);margin-top:4px}
/* category cards */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.cat-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--trans);
  position:relative;
}
.cat-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-h);
  border-color:rgba(99,102,241,.4);
}
.cat-card .thumb{
  height:170px;
  overflow:hidden;
  position:relative;
}
.cat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:var(--trans)}
.cat-card:hover .thumb img{transform:scale(1.05)}
.cat-card .thumb .badge{
  position:absolute;
  top:12px;
  left:12px;
  background:rgba(15,17,23,.8);
  backdrop-filter:blur(8px);
  color:var(--accent-soft);
  font-size:12px;
  font-weight:700;
  padding:4px 12px;
  border-radius:20px;
}
.cat-card .body{padding:20px}
.cat-card .body h3{font-size:18px;font-weight:700;margin:0 0 8px}
.cat-card .body p{font-size:14px;color:var(--text-sub);margin:0 0 14px;line-height:1.6}
.cat-card .meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-weak);
}
.cat-card .meta i{margin-right:4px}
/* guide cards */
.guide-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.guide-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--trans);
  display:flex;
  flex-direction:column;
}
.guide-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-h);
  border-color:rgba(99,102,241,.35);
}
.guide-card .thumb{
  height:190px;
  overflow:hidden;
  position:relative;
}
.guide-card .thumb img{width:100%;height:100%;object-fit:cover;transition:var(--trans)}
.guide-card:hover .thumb img{transform:scale(1.06)}
.hot-flag{
  position:absolute;
  top:12px;
  right:12px;
  background:linear-gradient(135deg,#f59e0b,#ef4444);
  color:#fff;
  font-size:11px;
  font-weight:800;
  padding:3px 12px;
  border-radius:20px;
  letter-spacing:1px;
}
.guide-card .body{
  padding:22px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.guide-tags{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--primary-light);
  background:rgba(99,102,241,.1);
  padding:3px 12px;
  border-radius:20px;
  border:1px solid rgba(99,102,241,.2);
}
.guide-card h3{font-size:17px;font-weight:700;margin:0 0 8px;line-height:1.45}
.guide-card p{font-size:14px;color:var(--text-sub);margin:0 0 16px;line-height:1.6;flex:1}
.guide-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  border-top:1px solid var(--bg-line);
  font-size:13px;
  color:var(--text-weak);
}
.guide-meta .views i{margin-right:5px;color:var(--primary-light)}
.clicks{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary-light);
  font-weight:600;
  font-size:13px;
  transition:var(--trans);
}
.guide-card:hover .clicks{color:var(--accent-soft);gap:10px}
/* ranking */
.rank-section{
  background:var(--bg-hero);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.rank-list{max-width:840px;margin:0 auto}
.rank-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 24px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  margin-bottom:14px;
  transition:var(--trans);
}
.rank-item:hover{
  border-color:rgba(99,102,241,.35);
  background:var(--bg-card-h);
  transform:translateX(6px);
}
.rank-num{
  font-size:26px;
  font-weight:900;
  color:var(--text-weak);
  width:44px;
  text-align:center;
  font-style:italic;
}
.rank-item:nth-child(1) .rank-num{color:#f59e0b}
.rank-item:nth-child(2) .rank-num{color:#a5b4fc}
.rank-item:nth-child(3) .rank-num{color:#f87171}
.rank-item:nth-child(4) .rank-num{color:#6ee7b7}
.rank-item:nth-child(5) .rank-num{color:#fbbf24}
.rank-info{flex:1;min-width:0}
.rank-info h4{font-size:16px;font-weight:700;margin:0 0 4px}
.rank-info .rank-desc{font-size:13px;color:var(--text-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-bar{
  width:180px;
  height:6px;
  background:rgba(255,255,255,.07);
  border-radius:10px;
  overflow:hidden;
}
.rank-bar span{
  display:block;
  height:100%;
  background:linear-gradient(90deg,var(--primary),var(--primary-light));
  border-radius:10px;
}
.rank-item:nth-child(1) .rank-bar span{background:linear-gradient(90deg,#f59e0b,#fbbf24)}
.rank-item:nth-child(2) .rank-bar span{background:linear-gradient(90deg,#6366f1,#a5b4fc)}
.rank-item:nth-child(3) .rank-bar span{background:linear-gradient(90deg,#ef4444,#f87171)}
.rank-pop{
  font-size:13px;
  color:var(--text-weak);
  white-space:nowrap;
}
.rank-pop i{color:var(--accent-soft);margin-right:4px}
/* timeline */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
  position:relative;
}
.timeline-line{
  position:absolute;
  top:24px;
  left:8%;
  right:8%;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-light),var(--primary));
  opacity:.3;
  border-radius:2px;
}
.tl-item{
  position:relative;
  text-align:center;
  padding:0 10px;
}
.tl-dot{
  width:50px;
  height:50px;
  margin:0 auto 18px;
  background:var(--bg-card);
  border:2px solid var(--primary);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  color:var(--primary-light);
  position:relative;
  z-index:2;
  box-shadow:0 0 0 6px rgba(99,102,241,.1);
}
.tl-item h4{font-size:16px;font-weight:700;margin:0 0 8px}
.tl-item p{font-size:13px;color:var(--text-sub);line-height:1.6;margin:0}
/* faq */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--trans);
}
.faq-item:hover{border-color:rgba(99,102,241,.3)}
.faq-q{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  transition:var(--trans);
}
.faq-q i{
  color:var(--primary-light);
  font-size:18px;
  flex-shrink:0;
}
.faq-q .fa-chevron-down{
  margin-left:auto;
  font-size:14px;
  color:var(--text-weak);
  transition:var(--trans);
}
.faq-item.open .fa-chevron-down{transform:rotate(180deg)}
.faq-a{
  display:none;
  padding:0 24px 20px 56px;
  font-size:15px;
  color:var(--text-sub);
  line-height:1.75;
}
.faq-item.open .faq-a{display:block}
/* cta */
.cta-section{position:relative;overflow:hidden}
.cta-box{
  background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(245,158,11,.1)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border:1px solid rgba(99,102,241,.3);
  border-radius:24px;
  padding:70px 50px;
  text-align:center;
  position:relative;
}
.cta-box h2{font-size:32px;font-weight:900;margin:0 0 12px;letter-spacing:-.5px}
.cta-box p{font-size:16px;color:var(--text-sub);max-width:560px;margin:0 auto 30px}
/* footer */
.site-footer{
  background:var(--bg-hero);
  border-top:1px solid var(--border);
  padding:60px 0 0;
}
.footer-main{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--bg-line);
}
.footer-brand p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  margin:16px 0;
  max-width:360px;
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;
  height:38px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  color:var(--text-sub);
  transition:var(--trans);
  border:1px solid transparent;
}
.footer-social a:hover{
  color:#fff;
  background:var(--primary);
  border-color:var(--primary);
  transform:translateY(-3px);
}
.footer-col h4{
  font-size:16px;
  font-weight:700;
  margin:0 0 18px;
  color:var(--text-main);
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:14px;
  color:var(--text-sub);
  transition:var(--trans);
}
.footer-col ul a:hover{color:var(--primary-light);padding-left:6px}
.footer-bottom{
  padding:24px 0;
  text-align:center;
  font-size:14px;
  color:var(--text-weak);
}
.footer-bottom .domain{color:var(--text-sub)}
/* responsive */
@media (max-width:1024px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:36px}
  .timeline-line{display:none}
}
@media (max-width:768px){
  :root{--space:56px;--space-sm:40px}
  .hero-category{padding:80px 0 56px}
  .hero-category h1{font-size:32px}
  .section-head h2{font-size:26px}
  .main-nav{
    display:none;
    position:absolute;
    top:72px;
    left:0;
    right:0;
    background:var(--bg-body);
    border-bottom:1px solid var(--border);
    flex-direction:column;
    padding:16px 24px;
    gap:6px;
    box-shadow:var(--shadow);
  }
  .main-nav.open{display:flex}
  .main-nav a{width:100%;text-align:center;padding:12px 16px}
  .nav-toggle{display:flex}
  .header-actions .btn-primary span{display:none}
  .footer-main{grid-template-columns:1fr}
  .footer-col{padding-top:4px}
}
@media (max-width:520px){
  .cat-grid{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item .num{font-size:24px}
  .rank-item{flex-wrap:wrap;gap:12px;padding:16px}
  .rank-bar{width:100%;order:4}
  .rank-info{flex:1 1 calc(100% - 80px)}
  .rank-pop{font-size:12px}
  .cta-box{padding:44px 22px}
  .cta-box h2{font-size:24px}
  .hero-actions .btn{width:100%;justify-content:center}
}