/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --primary: #f97316;
  --primary-light: #fb923c;
  --primary-dark: #ea580c;
  --primary-bg: #fff7ed;
  --secondary: #1e293b;
  --secondary-light: #334155;
  --accent: #8b5cf6;
  --accent-light: #a78bfa;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --text: #0f172a;
  --text-light: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
  --shadow-hover: 0 20px 60px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { cursor: pointer; font-family: inherit; font-size: inherit; border: none; background: none; transition: var(--transition); }
input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
ul { list-style: none; }
/* ===== Container ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }
/* ===== Typography ===== */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--text); }
.section-title { font-size: 2rem; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.section-sub { font-size: 1.05rem; color: var(--text-light); max-width: 640px; line-height: 1.7; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header .section-sub { margin: 0.75rem auto 0; }
@media (max-width: 640px) { .section-title { font-size: 1.6rem; } .section-sub { font-size: 0.95rem; } }
/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(249,115,22,0.35); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--primary); border-color: #fff; }
.btn-white:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,255,255,0.3); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }
/* ===== Tags / Badges ===== */
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 500; background: var(--primary-bg); color: var(--primary); }
.tag-sm { padding: 2px 10px; font-size: 0.72rem; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; border-radius: 50px; font-size: 0.82rem; font-weight: 600; background: var(--primary); color: #fff; }
.badge-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
/* ===== Card ===== */
.card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border-light); transition: var(--transition); overflow: hidden; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card-body { padding: 1.25rem 1.5rem 1.5rem; }
.card-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.4rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-text { font-size: 0.92rem; color: var(--text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 0.75rem; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-muted); }
/* ===== Navigation ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 12px 0; transition: var(--transition); background: transparent; }
.site-header.scrolled { background: rgba(255,255,255,0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: 0 1px 20px rgba(0,0,0,0.06); padding: 8px 0; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 1.4rem; font-weight: 800; color: #fff; letter-spacing: -0.03em; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.nav-logo i { font-size: 1.2rem; }
.site-header.scrolled .nav-logo { color: var(--text); }
.nav-logo:hover { opacity: 0.85; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a { display: block; padding: 8px 18px; border-radius: 50px; font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.85); transition: var(--transition); }
.site-header.scrolled .nav-list a { color: var(--text-light); }
.nav-list a:hover, .nav-list a.active { background: rgba(255,255,255,0.2); color: #fff; }
.site-header.scrolled .nav-list a:hover, .site-header.scrolled .nav-list a.active { background: var(--primary-bg); color: var(--primary); }
.nav-list a.active { font-weight: 600; }
.nav-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 50%; color: #fff; font-size: 1.3rem; background: rgba(255,255,255,0.15); }
.site-header.scrolled .nav-toggle { color: var(--text); background: var(--bg-alt); }
.nav-toggle:hover { background: rgba(255,255,255,0.25); }
.site-header.scrolled .nav-toggle:hover { background: var(--border); }
@media (max-width: 768px) {
  .nav-list { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.95); flex-direction: column; justify-content: center; gap: 12px; padding: 2rem; backdrop-filter: blur(20px); }
  .nav-list.open { display: flex; }
  .nav-list a { font-size: 1.3rem; color: rgba(255,255,255,0.8); padding: 12px 24px; }
  .nav-list a:hover, .nav-list a.active { background: rgba(255,255,255,0.1); color: #fff; }
  .nav-toggle { display: flex; }
  .site-header.scrolled .nav-list a { color: rgba(255,255,255,0.8); }
}
/* ===== Hero ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: var(--secondary); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.5; mix-blend-mode: overlay; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(30,41,59,0.70) 50%, rgba(249,115,22,0.25) 100%); }
.hero-content { position: relative; z-index: 2; width: 100%; padding: 120px 0 80px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px; border-radius: 50px; background: rgba(255,255,255,0.12); backdrop-filter: blur(10px); color: #fff; font-size: 0.85rem; font-weight: 500; margin-bottom: 1.5rem; border: 1px solid rgba(255,255,255,0.08); }
.hero h1 { font-size: 3.5rem; font-weight: 800; color: #fff; line-height: 1.1; letter-spacing: -0.03em; max-width: 720px; margin-bottom: 1rem; }
.hero h1 span { background: linear-gradient(135deg, var(--primary-light), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.75); max-width: 560px; line-height: 1.8; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
@media (max-width: 768px) {
  .hero h1 { font-size: 2.4rem; }
  .hero p { font-size: 1rem; }
  .hero-content { padding: 100px 0 60px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}
/* ===== Section ===== */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--secondary); color: #fff; }
.section-dark .section-title { color: #fff; }
.section-dark .section-sub { color: rgba(255,255,255,0.7); }
/* ===== Features / 核心说明 ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { background: var(--bg-card); border-radius: var(--radius); padding: 2rem 1.75rem; border: 1px solid var(--border-light); box-shadow: var(--shadow); transition: var(--transition); text-align: center; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: #fff; margin: 0 auto 1.25rem; }
.feature-icon.icon1 { background: linear-gradient(135deg, #f97316, #fb923c); }
.feature-icon.icon2 { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.feature-icon.icon3 { background: linear-gradient(135deg, #06b6d4, #22d3ee); }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.92rem; color: var(--text-light); line-height: 1.7; }
@media (max-width: 768px) { .features-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .features-grid { grid-template-columns: 1fr; } }
/* ===== Category Cards / 分类入口 ===== */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-card { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow); border: 1px solid var(--border-light); transition: var(--transition); }
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cat-card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.cat-card-body { padding: 1.25rem 1.5rem 1.5rem; }
.cat-card-body h3 { font-size: 1.15rem; margin-bottom: 0.3rem; }
.cat-card-body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0.75rem; }
.cat-card .tag:hover { background: var(--primary); color: #fff; }
@media (max-width: 768px) { .cat-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .cat-grid { grid-template-columns: 1fr; } }
/* ===== Content List / 资讯列表 ===== */
.content-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.content-card { display: flex; flex-direction: column; background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border-light); overflow: hidden; transition: var(--transition); }
.content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.content-card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.content-card-body { padding: 1.25rem 1.5rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.content-card-body .card-title { font-size: 1.05rem; }
.content-card-body .card-text { flex: 1; }
.content-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 0.75rem; border-top: 1px solid var(--border-light); margin-top: auto; }
.empty-msg { grid-column: 1 / -1; text-align: center; padding: 3rem 1rem; color: var(--text-muted); font-size: 1rem; background: var(--bg-alt); border-radius: var(--radius); }
@media (max-width: 640px) { .content-list { grid-template-columns: 1fr; } }
/* ===== Stats / 数据板块 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 2rem 1rem; border-radius: var(--radius); background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); backdrop-filter: blur(10px); transition: var(--transition); }
.stat-item:hover { background: rgba(255,255,255,0.10); transform: translateY(-3px); }
.stat-num { font-size: 2.6rem; font-weight: 800; color: var(--primary-light); line-height: 1.1; margin-bottom: 0.3rem; }
.stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stat-num { font-size: 2rem; } }
/* ===== Timeline / 流程 ===== */
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding: 0 20px; }
.timeline::before { content: ''; position: absolute; left: 32px; top: 0; bottom: 0; width: 3px; background: linear-gradient(to bottom, var(--primary), var(--accent)); border-radius: 3px; }
.timeline-item { position: relative; padding-left: 76px; padding-bottom: 2.5rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-icon { position: absolute; left: 16px; top: 0; width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; z-index: 2; box-shadow: 0 0 0 4px var(--bg-alt); }
.timeline-item:nth-child(2) .timeline-icon { background: var(--accent); }
.timeline-item:nth-child(3) .timeline-icon { background: #06b6d4; }
.timeline-item:nth-child(4) .timeline-icon { background: #10b981; }
.timeline-content { background: var(--bg-card); border-radius: var(--radius-sm); padding: 1.25rem 1.5rem; box-shadow: var(--shadow); border: 1px solid var(--border-light); }
.timeline-content h4 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.timeline-content p { font-size: 0.9rem; color: var(--text-light); }
@media (max-width: 520px) {
  .timeline::before { left: 20px; }
  .timeline-item { padding-left: 56px; }
  .timeline-icon { left: 6px; width: 30px; height: 30px; font-size: 0.85rem; }
}
/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-radius: var(--radius-sm); background: var(--bg-card); border: 1px solid var(--border-light); box-shadow: var(--shadow); margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--primary-light); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 1.15rem 1.5rem; font-weight: 600; font-size: 1rem; cursor: pointer; user-select: none; gap: 12px; }
.faq-q i { font-size: 0.85rem; color: var(--text-muted); transition: var(--transition); flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(180deg); color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-a-inner { padding: 0 1.5rem 1.25rem; font-size: 0.92rem; color: var(--text-light); line-height: 1.8; }
.faq-item.open .faq-a { max-height: 300px; }
/* ===== CTA ===== */
.cta-box { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); border-radius: var(--radius-lg); padding: 3.5rem 3rem; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.12; mix-blend-mode: overlay; }
.cta-box h2 { font-size: 2rem; color: #fff; margin-bottom: 0.75rem; position: relative; }
.cta-box p { font-size: 1.05rem; color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 1.5rem; position: relative; }
.cta-box .btn { position: relative; }
@media (max-width: 640px) {
  .cta-box { padding: 2.5rem 1.5rem; }
  .cta-box h2 { font-size: 1.5rem; }
}
/* ===== Footer ===== */
.site-footer { background: var(--secondary); color: rgba(255,255,255,0.7); padding: 3rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 2rem; }
.footer-brand .nav-logo { color: #fff; font-size: 1.3rem; margin-bottom: 0.75rem; display: inline-flex; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 1rem; }
.footer-col a { display: block; padding: 4px 0; font-size: 0.88rem; color: rgba(255,255,255,0.6); }
.footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.25rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: 0.85rem; color: rgba(255,255,255,0.45); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--primary-light); }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } }
/* ===== Back to Top ===== */
.back-top { position: fixed; bottom: 28px; right: 28px; width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(249,115,22,0.35); opacity: 0; transform: translateY(20px); pointer-events: none; transition: var(--transition); z-index: 999; }
.back-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-top:hover { background: var(--primary-dark); transform: translateY(-4px); }
/* ===== Misc ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; } .mb-4 { margin-bottom: 2rem; }
.gap-2 { gap: 8px; } .gap-3 { gap: 16px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-wrap { display: flex; flex-wrap: wrap; }
/* ===== Responsive Helpers ===== */
@media (max-width: 1024px) { :root { --max-width: 960px; } }
@media (max-width: 768px) { :root { --max-width: 100%; } }

/* roulang page: article */
/* ===== Design Tokens ===== */
:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fbbf24;
  --primary-bg: #fffbeb;
  --secondary: #1e293b;
  --secondary-light: #334155;
  --accent: #06b6d4;
  --accent-light: #67e8f9;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --nav-h: 72px;
  --max-w: 1200px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--primary-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: 1rem; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; color: var(--text-secondary); }
/* ===== Container ===== */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}
/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 32px);
  max-width: var(--max-w);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header:hover { box-shadow: var(--shadow); }
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}
.nav-logo i { color: var(--primary); font-size: 1.4rem; }
.nav-logo:hover { color: var(--text); }
.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-list a {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  position: relative;
}
.nav-list a:hover { color: var(--text); background: var(--bg-alt); }
.nav-list a.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 12px rgba(245,158,11,0.35);
}
.nav-list a.active:hover { background: var(--primary-dark); color: #fff; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.nav-toggle:hover { background: var(--bg-alt); }
@media (max-width: 768px) {
  .site-header { top: 12px; width: calc(100% - 24px); }
  .nav-wrap { padding: 0 16px; }
  .nav-list {
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    flex-direction: column;
    padding: 16px;
    gap: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: all var(--transition);
    pointer-events: none;
  }
  .nav-list.open { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
  .nav-list a { width: 100%; text-align: center; padding: 12px; }
  .nav-toggle { display: block; }
}
/* ===== Hero Banner (inner) ===== */
.inner-hero {
  position: relative;
  padding: 120px 0 60px;
  background: var(--bg-alt);
  overflow: hidden;
}
.inner-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}
.inner-hero .container { position: relative; z-index: 2; }
.inner-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.inner-hero .breadcrumb a { color: var(--text-muted); }
.inner-hero .breadcrumb a:hover { color: var(--primary-dark); }
.inner-hero .breadcrumb .sep { color: var(--text-muted); opacity: 0.5; }
.inner-hero .breadcrumb .current { color: var(--text-secondary); font-weight: 500; }
.inner-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--text);
  max-width: 800px;
  line-height: 1.25;
  margin-bottom: 16px;
}
.inner-hero .meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.inner-hero .meta-bar .tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
}
.inner-hero .meta-bar i { margin-right: 6px; color: var(--primary); }
@media (max-width: 768px) {
  .inner-hero { padding: 100px 0 40px; }
  .inner-hero h1 { font-size: 1.8rem; }
  .inner-hero .meta-bar { gap: 10px 16px; font-size: 0.85rem; }
}
/* ===== Main Content ===== */
.article-main {
  padding: 60px 0 80px;
  background: var(--bg);
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}
.article-body {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.article-body .content {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.article-body .content p { margin-bottom: 1.2rem; }
.article-body .content h2 { margin-top: 2rem; margin-bottom: 0.8rem; font-size: 1.6rem; }
.article-body .content h3 { margin-top: 1.6rem; margin-bottom: 0.6rem; font-size: 1.25rem; }
.article-body .content ul, .article-body .content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
  color: var(--text-secondary);
}
.article-body .content ul { list-style: disc; }
.article-body .content ol { list-style: decimal; }
.article-body .content li { margin-bottom: 0.4rem; }
.article-body .content a { color: var(--primary-dark); text-decoration: underline; text-underline-offset: 3px; }
.article-body .content a:hover { color: var(--primary); }
.article-body .content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-bg);
  padding: 16px 24px;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.article-body .content img {
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}
.article-body .content strong { color: var(--text); font-weight: 700; }
.not-found {
  text-align: center;
  padding: 80px 20px;
}
.not-found i { font-size: 3.5rem; color: var(--text-muted); margin-bottom: 20px; }
.not-found h2 { font-size: 1.8rem; margin-bottom: 12px; }
.not-found p { color: var(--text-secondary); margin-bottom: 24px; }
.not-found .btn { display: inline-block; }
/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.sidebar-card h3 {
  font-size: 1.15rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i { color: var(--primary); }
.sidebar-card .list-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  align-items: flex-start;
}
.sidebar-card .list-item:last-child { border-bottom: none; }
.sidebar-card .list-item img {
  width: 72px;
  height: 56px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-alt);
}
.sidebar-card .list-item .info a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.sidebar-card .list-item .info a:hover { color: var(--primary-dark); }
.sidebar-card .list-item .info .meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sidebar-tags a {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  background: var(--bg-alt);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.sidebar-tags a:hover { background: var(--primary-bg); color: var(--primary-dark); border-color: var(--primary-light); }
.cta-card {
  background: linear-gradient(145deg, var(--primary-bg), #fff);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  border: 1px solid var(--border-light);
}
.cta-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
.cta-card p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 16px; }
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 768px) {
  .article-body { padding: 24px; }
  .article-body .content { font-size: 1rem; }
  .article-sidebar { grid-template-columns: 1fr; }
}
/* ===== Button ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.2;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(245,158,11,0.3);
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 6px 20px rgba(245,158,11,0.4); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-dark); background: var(--primary-bg); transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 0.9rem; }
/* ===== Footer ===== */
.site-footer {
  background: var(--secondary);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 30px;
  margin-top: 0;
}
.site-footer .container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.footer-brand .nav-logo { color: #fff; margin-bottom: 12px; display: inline-flex; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.95rem; line-height: 1.7; max-width: 360px; }
.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--primary-light); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .site-footer { padding: 40px 0 24px; }
}
/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
/* ===== Images ===== */
.article-body .content .img-wrap {
  margin: 1.5rem 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.article-body .content .img-wrap img { margin: 0; box-shadow: none; }
/* ===== Responsive fine-tune ===== */
@media (max-width: 520px) {
  .inner-hero h1 { font-size: 1.5rem; }
  .article-body { padding: 18px; }
  .btn { padding: 10px 22px; font-size: 0.9rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #f97316;
            --primary-dark: #ea580c;
            --primary-light: #ffedd5;
            --secondary: #0ea5e9;
            --secondary-dark: #0284c7;
            --accent: #8b5cf6;
            --bg: #fafaf9;
            --bg-card: #ffffff;
            --bg-dark: #1c1917;
            --bg-soft: #fff7ed;
            --text: #1c1917;
            --text-light: #78716c;
            --text-white: #fafaf9;
            --border: #e7e5e4;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: sticky;
            top: 20px;
            z-index: 100;
            padding: 0 20px;
            pointer-events: none;
        }
        .site-header .container {
            pointer-events: auto;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 60px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.5);
            padding: 0 20px;
            max-width: 1100px;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .nav-logo i {
            font-size: 1.5rem;
            color: var(--primary);
        }
        .nav-logo:hover {
            color: var(--primary-dark);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .nav-list a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.35);
        }
        .nav-list a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                padding: 0 12px;
            }
            .site-header .container {
                padding: 0 12px;
                border-radius: 40px;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: calc(var(--header-h) + 8px);
                left: 12px;
                right: 12px;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(18px);
                border-radius: 20px;
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
                padding: 12px;
                flex-direction: column;
                gap: 4px;
                border: 1px solid var(--border);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 12px;
                font-size: 1rem;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ===== Hero / 分类横幅 ===== */
        .category-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 20px 80px;
            margin-top: -72px;
            background: linear-gradient(135deg, #0f0c0a 0%, #2d1b0e 50%, #1c1917 100%);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(249, 115, 22, 0.15) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 50%, rgba(14, 165, 233, 0.10) 0%, transparent 70%);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(249, 115, 22, 0.2);
            backdrop-filter: blur(8px);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #fdba74;
            border: 1px solid rgba(249, 115, 22, 0.3);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .category-hero h1 span {
            background: linear-gradient(135deg, #fb923c, #f97316, #ea580c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 320px;
                padding: 100px 16px 60px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
        }
        .btn-secondary:hover {
            background: var(--secondary-dark);
            box-shadow: 0 8px 28px rgba(14, 165, 233, 0.45);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 580px;
            margin: 12px auto 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 52px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        /* ===== 分类简介 ===== */
        .intro-block {
            background: var(--bg-soft);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 4/3;
            background: #e7e5e4;
        }
        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }
        .intro-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }
        .intro-text p {
            color: var(--text-light);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .intro-text .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-top: 20px;
        }
        .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
            color: var(--text);
        }
        .intro-text .feature-list li i {
            color: var(--primary);
            font-size: 0.8rem;
            width: 20px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .intro-image {
                aspect-ratio: 16/9;
            }
            .intro-text h3 {
                font-size: 1.3rem;
            }
            .intro-text .feature-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 玩法分类卡片 ===== */
        .play-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .play-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .play-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .play-card .card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #e7e5e4;
            position: relative;
        }
        .play-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .play-card:hover .card-img img {
            transform: scale(1.06);
        }
        .play-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .play-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .play-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .play-card .card-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .play-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .play-card .card-body .card-meta span i {
            margin-right: 4px;
            color: var(--primary);
        }
        .play-card .card-body .card-meta .badge {
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .play-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .play-grid {
                grid-template-columns: 1fr;
            }
            .play-card .card-img {
                aspect-ratio: 16/9;
            }
        }

        /* ===== 热门排行 ===== */
        .rank-section {
            background: var(--bg-dark);
            color: #fff;
        }
        .rank-section .section-header h2 {
            color: #fff;
        }
        .rank-section .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }
        .rank-section .section-header .section-label {
            background: rgba(249, 115, 22, 0.2);
            color: #fdba74;
        }
        .rank-list {
            display: grid;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(8px);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .rank-item:hover {
            background: rgba(255, 255, 255, 0.09);
            transform: translateX(6px);
        }
        .rank-item .rank-num {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            background: rgba(249, 115, 22, 0.2);
            color: #fdba74;
        }
        .rank-item:nth-child(1) .rank-num {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 0 20px rgba(249, 115, 22, 0.4);
        }
        .rank-item:nth-child(2) .rank-num {
            background: rgba(14, 165, 233, 0.3);
            color: #7dd3fc;
        }
        .rank-item:nth-child(3) .rank-num {
            background: rgba(139, 92, 246, 0.3);
            color: #c4b5fd;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
        }
        .rank-item .rank-info p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
        }
        .rank-item .rank-stat {
            text-align: right;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .rank-item .rank-stat i {
            color: var(--primary);
            margin-right: 4px;
        }
        @media (max-width: 640px) {
            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .rank-item .rank-stat {
                width: 100%;
                text-align: left;
                padding-left: 56px;
            }
        }

        /* ===== 玩法流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-card .step-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 16px;
            transition: var(--transition);
        }
        .step-card:hover .step-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.06);
        }
        .step-card .step-num {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .step-card {
                padding: 24px 16px;
            }
        }

        /* ===== 用户推荐 ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .review-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .review-card .review-stars {
            color: #fbbf24;
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .review-card blockquote {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .review-card blockquote::before {
            content: '\201C';
            font-size: 2rem;
            color: var(--primary);
            line-height: 0;
            vertical-align: -0.4em;
            margin-right: 4px;
        }
        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-card .review-author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .review-card .review-author .author-info strong {
            font-size: 0.9rem;
            color: var(--text);
        }
        .review-card .review-author .author-info span {
            font-size: 0.78rem;
            color: var(--text-light);
        }
        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer.open {
                padding: 0 16px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1c1917 0%, #2d1b0e 50%, #1c1917 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-box {
            text-align: center;
            padding: 60px 20px;
        }
        .cta-box h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-box h2 span {
            color: var(--primary);
        }
        .cta-box p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .cta-box h2 {
                font-size: 1.7rem;
            }
            .cta-box p {
                font-size: 0.95rem;
            }
            .cta-box {
                padding: 40px 16px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .nav-logo i {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 分割线 ===== */
        .divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 0 auto 16px;
        }

        /* ===== 徽章 ===== */
        .badge-primary {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ===== 辅助类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }