/* roulang page: index */
:root{
  --primary:#0f172a;
  --primary-light:#1e293b;
  --accent:#f59e0b;
  --accent-hover:#d97706;
  --secondary:#1e3a8a;
  --bg:#f8fafc;
  --text:#0f172a;
  --text-weak:#64748b;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 4px 24px rgba(15,23,42,.08);
  --shadow-hover:0 12px 32px rgba(15,23,42,.14);
  --transition:.25s ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:24px;height:76px}
.logo{font-size:24px;font-weight:800;letter-spacing:.5px;color:var(--primary);white-space:nowrap;line-height:1.2}
.logo span{color:var(--accent);font-weight:900}
.header-search{flex:1;display:flex;justify-content:center;min-width:0}
.search-form{position:relative;width:100%;max-width:480px}
.search-form input{width:100%;height:44px;border-radius:999px;border:1px solid var(--border);background:#f1f5f9;padding:0 86px 0 44px;font-size:14px;color:var(--text);transition:all var(--transition)}
.search-form input::placeholder{color:#94a3b8}
.search-form input:focus{outline:none;background:#fff;border-color:var(--accent);box-shadow:0 0 0 4px rgba(245,158,11,.15)}
.search-form .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#94a3b8;font-size:14px;pointer-events:none}
.search-form button{position:absolute;right:6px;top:50%;transform:translateY(-50%);height:32px;padding:0 16px;border-radius:999px;border:none;background:var(--primary);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:background var(--transition)}
.search-form button:hover{background:var(--secondary)}
.header-nav{display:flex;align-items:center;gap:4px}
.nav-link{padding:9px 18px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text);transition:all var(--transition)}
.nav-link:hover{background:#eef2f7}
.nav-link.active{background:var(--primary);color:#fff;font-weight:600}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;font-size:16px;color:var(--text)}
.mobile-menu{display:none}
@media (max-width:1023px){
  .header-search,.header-nav{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:20px 24px 28px;box-shadow:0 16px 32px rgba(15,23,42,.08)}
  .mobile-menu.open{display:block}
  .mobile-search .search-form{max-width:none}
  .mobile-nav{margin-top:16px;display:flex;flex-direction:column;gap:4px}
  .mobile-nav a{padding:12px 16px;border-radius:12px;font-size:16px;font-weight:500}
  .mobile-nav a:hover{background:#f1f5f9}
  .mobile-nav a.active{background:var(--primary);color:#fff}
}

/* Hero */
.hero{position:relative;color:#fff;background:linear-gradient(120deg,rgba(15,23,42,.95) 0%,rgba(30,58,138,.88) 60%,rgba(245,158,11,.28) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding:110px 0 90px;overflow:hidden}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px);font-size:13px;font-weight:500;letter-spacing:1px;margin-bottom:28px}
.hero-badge .badge-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(245,158,11,.25)}
.hero h1{font-size:clamp(36px,6vw,64px);font-weight:900;line-height:1.15;margin-bottom:20px;letter-spacing:2px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-subtitle{font-size:clamp(15px,2vw,19px);color:rgba(255,255,255,.85);max-width:640px;margin:0 auto 36px;line-height:1.8}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}
.hero-stats{display:flex;justify-content:center;align-items:center;gap:24px;flex-wrap:wrap}
.stat-item{text-align:center;padding:8px 24px}
.stat-num{font-size:32px;font-weight:800;color:#fff;line-height:1.2}
.stat-label{font-size:13px;color:rgba(255,255,255,.65);margin-top:4px}
.stat-divider{width:1px;height:44px;background:rgba(255,255,255,.2)}

/* Section */
.section{padding:96px 0}
.section-alt{background:#fff}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-tag{display:inline-block;padding:6px 16px;border-radius:999px;background:rgba(245,158,11,.12);color:#d97706;font-size:13px;font-weight:600;letter-spacing:1.5px;margin-bottom:14px}
.section-head h2{font-size:clamp(26px,3.5vw,38px);font-weight:800;line-height:1.3;margin-bottom:12px}
.section-head>p{color:var(--text-weak);font-size:15px;line-height:1.8}

/* About */
.about-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:40px 32px;text-align:center;transition:all var(--transition)}
.about-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px);border-color:transparent}
.about-icon{width:68px;height:68px;margin:0 auto 20px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:26px;background:linear-gradient(135deg,rgba(245,158,11,.15),rgba(245,158,11,.05));color:var(--accent)}
.about-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.about-card p{color:var(--text-weak);font-size:14px;line-height:1.75}

/* Category */
.category-card{display:block;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all var(--transition)}
.category-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px);border-color:transparent}
.category-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.category-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.category-card:hover .category-cover img{transform:scale(1.06)}
.category-body{padding:28px 30px 32px}
.category-body h3{font-size:22px;font-weight:700;margin-bottom:8px}
.category-body p{color:var(--text-weak);font-size:14px;line-height:1.7;margin-bottom:16px}
.category-link{color:var(--accent);font-weight:600;font-size:14px;transition:letter-spacing var(--transition)}
.category-card:hover .category-link{letter-spacing:1px}

/* News */
.news-list{max-width:860px;margin:0 auto}
.news-item{display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px 34px;margin-bottom:16px;transition:all var(--transition)}
.news-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:transparent}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.news-cat{display:inline-block;padding:4px 14px;border-radius:999px;background:rgba(245,158,11,.12);color:#b45309;font-size:12px;font-weight:600}
.news-date{color:var(--text-weak);font-size:13px}
.news-item h3{font-size:20px;font-weight:700;margin-bottom:8px;line-height:1.4;transition:color var(--transition)}
.news-item:hover h3{color:var(--accent)}
.news-item p{color:var(--text-weak);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{text-align:center;padding:48px 24px;background:#fff;border-radius:var(--radius);border:1px dashed var(--border);color:var(--text-weak)}

/* Stats */
.stats-section{background:var(--primary);padding:84px 0;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:32px}}
.stat-card{text-align:center;padding:36px 20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);transition:all var(--transition)}
.stat-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.stat-num-large{font-size:44px;font-weight:800;color:var(--accent);line-height:1.2}
.stat-label{color:rgba(255,255,255,.7);font-size:14px;margin-top:6px}

/* Feature */
.feature-section{background:#fff}
.feature-row{display:grid;gap:40px;align-items:center;margin-bottom:72px}
.feature-row:last-child{margin-bottom:0}
.feature-image img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
@media (min-width:1024px){
  .feature-row{margin-bottom:96px}
  .feature-row.reverse .feature-image{order:2}
  .feature-row.reverse .feature-content{order:1}
}
.feature-content .section-tag{margin-bottom:12px}
.feature-content h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.35;margin-bottom:16px}
.feature-content p{color:var(--text-weak);font-size:15px;line-height:1.85;margin-bottom:20px}
.checklist li{display:flex;align-items:flex-start;gap:10px;padding:8px 0;font-size:15px;color:var(--text)}
.checklist i{color:var(--accent);margin-top:4px}

/* Steps */
.step-item{position:relative;text-align:center;padding:40px 28px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);transition:all var(--transition)}
.step-item:hover{transform:translateY(-6px);box-shadow:var(--shadow);background:#fff}
.step-num{width:56px;height:56px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#fbbf24);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:#fff;box-shadow:0 8px 20px rgba(245,158,11,.3)}
.step-item h3{font-size:18px;font-weight:700;margin-bottom:10px}
.step-item p{color:var(--text-weak);font-size:14px;line-height:1.75}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:all var(--transition)}
.faq-item.open{border-color:rgba(245,158,11,.4);box-shadow:0 8px 24px rgba(15,23,42,.06)}
.faq-question{width:100%;text-align:left;padding:20px 28px;font-size:16px;font-weight:600;background:transparent;border:none;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--text);transition:color var(--transition)}
.faq-question::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;font-size:13px;color:var(--text-weak);transition:transform .3s ease,color .3s ease;flex-shrink:0}
.faq-item.open .faq-question::after{transform:rotate(180deg);color:var(--accent)}
.faq-question:hover{color:var(--accent)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-item.open .faq-answer{max-height:320px}
.faq-answer p{padding:0 28px 24px;color:var(--text-weak);font-size:15px;line-height:1.8}

/* CTA */
.cta-section{position:relative;background:linear-gradient(120deg,rgba(15,23,42,.95),rgba(30,58,138,.9)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:88px 0;color:#fff;text-align:center}
.cta-inner h2{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:14px}
.cta-inner>p{color:rgba(255,255,255,.8);font-size:16px;margin-bottom:32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 34px;border-radius:999px;font-size:15px;font-weight:600;transition:all var(--transition);border:2px solid transparent;line-height:1.4}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(245,158,11,.3)}
.btn-lg{padding:15px 40px;font-size:16px}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(245,158,11,.3)}
.btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(245,158,11,.3)}
.btn-ghost{border:2px solid rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}

/* Footer */
.site-footer{background:#0d1526;color:rgba(255,255,255,.7)}
.footer-inner{display:grid;grid-template-columns:1fr;gap:40px;padding:64px 0 40px}
@media (min-width:768px){.footer-inner{grid-template-columns:1.4fr 1fr;gap:48px}}
.footer-brand .logo{color:#fff;font-size:26px}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;max-width:360px}
.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col a{display:block;padding:5px 0;color:rgba(255,255,255,.6);font-size:14px;transition:all var(--transition)}
.footer-col a:hover{color:var(--accent);padding-left:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom .container{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}

/* Responsive */
@media (max-width:768px){
  .section{padding:64px 0}
  .hero{padding:72px 0 56px}
  .header-inner{gap:12px;height:68px}
  .hero-subtitle{margin-bottom:28px}
  .hero-actions{margin-bottom:40px}
  .stat-item{padding:8px 12px}
  .stat-num{font-size:26px}
  .footer-bottom .container{justify-content:center;text-align:center}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fef3c7;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 12px 32px rgba(15, 23, 42, .08);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, .12);
  --space-lg: 96px;
  --space-md: 64px;
}

/* ========== 重置与基础 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input { font: inherit; border: none; outline: none; }
button { cursor: pointer; background: none; }

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

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  transition: all .25s ease;
  border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 24px rgba(245,158,11,.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(217,119,6,.35); }
.btn-outline { background: #fff; color: var(--dark); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-light { background: #fff; color: var(--dark); }
.btn-light:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,255,255,.2); }

/* ========== 头部导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 20px; height: 76px; }
.logo {
  flex-shrink: 0;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--dark);
  display: flex;
  align-items: baseline;
  gap: 4px;
  line-height: 1;
}
.logo span { color: var(--primary); }

.header-search { flex: 1 1 auto; max-width: 560px; margin: 0 auto; }
.header-search form {
  display: flex;
  align-items: center;
  background: #f1f5f9;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.header-search form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(245,158,11,.15);
}
.header-search input {
  flex: 1;
  height: 44px;
  padding: 0 20px;
  background: transparent;
  color: var(--text);
  font-size: 15px;
}
.header-search input::placeholder { color: #94a3b8; }
.header-search button {
  width: 50px;
  height: 44px;
  color: var(--primary-dark);
  font-size: 16px;
  transition: color .25s;
}
.header-search button:hover { color: var(--primary); }

.header-nav { flex-shrink: 0; display: flex; align-items: center; gap: 6px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  transition: all .25s ease;
}
.nav-link:hover { background: #f1f5f9; color: var(--primary-dark); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(245,158,11,.3); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #f1f5f9;
  color: var(--dark);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: background .25s;
}
.nav-toggle:hover { background: var(--primary-light); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  background: #fff;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--text);
}
.mobile-menu a:hover { background: #f1f5f9; }
.mobile-menu a.active { background: var(--primary); color: #fff; }

/* ========== 页面 Hero ========== */
.page-hero {
  position: relative;
  padding: 108px 0 92px;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15,23,42,.92) 0%, rgba(15,23,42,.7) 55%, rgba(245,158,11,.3) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-bottom: 18px;
  font-weight: 500;
}
.breadcrumb a { color: #fff; transition: color .25s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 12px; color: rgba(255,255,255,.5); }

.page-hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.page-hero h1 span { color: var(--primary); }
.page-hero p {
  font-size: 18px;
  max-width: 660px;
  color: rgba(255,255,255,.85);
  margin-bottom: 28px;
}

/* ========== 通用板块 ========== */
.section { padding: var(--space-lg) 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--dark); letter-spacing: .5px; }
.section-head h2 span { color: var(--primary); }
.section-head p { color: var(--muted); margin-top: 12px; font-size: 16px; }

/* ========== 分类标签 ========== */
.tabs-section { padding: 32px 0 8px; }
.tabs-wrap { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.tab {
  padding: 9px 26px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  transition: all .25s ease;
}
.tab:hover { border-color: var(--primary); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.tab.active { background: var(--dark); color: #fff; border-color: var(--dark); }
.tab.active:hover { background: var(--dark-2); color: var(--primary); }

/* ========== 资讯卡片 ========== */
.news-section { padding-top: 48px; }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245,158,11,.4);
}
.news-cover { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 10; background: #f1f5f9; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-cover img { transform: scale(1.05); }
.news-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15,23,42,.88);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  letter-spacing: .5px;
}
.news-body { padding: 22px 24px 24px; }
.news-body h3 { font-size: 18px; font-weight: 700; line-height: 1.45; margin-bottom: 10px; }
.news-body h3 a { transition: color .25s; }
.news-body h3 a:hover { color: var(--primary-dark); }
.news-body p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; gap: 18px; font-size: 13px; color: #94a3b8; }
.news-meta i { margin-right: 5px; color: var(--primary); }

/* ========== 数据统计 ========== */
.stats-section {
  position: relative;
  padding: 90px 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #fff;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,.95) 0%, rgba(30,41,59,.88) 60%, rgba(217,119,6,.4) 100%);
}
.stats-section .container { position: relative; z-index: 1; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stat-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: all .3s ease;
}
.stat-card:hover { background: rgba(255,255,255,.14); transform: translateY(-4px); }
.stat-card strong { display: block; font-size: 42px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-card span { font-size: 15px; color: rgba(255,255,255,.8); font-weight: 500; }
.stats-hint { text-align: center; margin-bottom: 42px; font-size: 18px; font-weight: 700; color: rgba(255,255,255,.9); }

/* ========== 赛程时间线 ========== */
.timeline-section { background: #fff; }
.timeline { position: relative; max-width: 780px; margin: 0 auto; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--border));
}
.timeline-item { position: relative; padding-bottom: 28px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 10px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline-date { font-size: 13px; font-weight: 700; color: var(--primary-dark); letter-spacing: 1px; margin-bottom: 6px; }
.timeline-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  transition: all .3s ease;
}
.timeline-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.timeline-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.timeline-card p { font-size: 14px; color: var(--muted); }
.timeline-card .tag {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 3px 12px;
  border-radius: 999px;
}

/* ========== FAQ ========== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.faq-item:hover { border-color: rgba(245,158,11,.5); box-shadow: var(--shadow); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  list-style: none;
  color: var(--dark);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--muted);
  transition: transform .3s;
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item[open] summary::after { transform: rotate(180deg); color: var(--primary); }
.faq-item p { padding: 0 24px 22px; color: var(--muted); font-size: 15px; }

/* ========== CTA / 订阅 ========== */
.cta-section { padding: 0 24px 96px; }
.cta-box {
  position: relative;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #334155 100%);
  border-radius: 28px;
  padding: 72px 56px;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -30%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(245,158,11,.35) 0%, transparent 60%);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -60%;
  left: -20%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(245,158,11,.2) 0%, transparent 60%);
}
.cta-box h2 { position: relative; z-index: 1; font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.cta-box p { position: relative; z-index: 1; color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto 32px; font-size: 16px; }
.cta-actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ========== 页脚 ========== */
.site-footer { background: #0b1220; color: #cfd8e3; padding-top: 72px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; padding-bottom: 48px; }
.footer-brand .logo { color: #fff; font-size: 28px; margin-bottom: 16px; }
.footer-brand .logo span { color: var(--primary); }
.footer-brand p { font-size: 14px; color: #8b98aa; max-width: 400px; line-height: 1.8; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 32px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-col a { display: block; font-size: 14px; color: #8b98aa; padding: 6px 0; transition: all .25s; }
.footer-col a:hover { color: var(--primary); padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}
.footer-bottom p { margin: 2px 0; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .header-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-inner { gap: 14px; }
  .header-search { max-width: 420px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-hero { padding: 84px 0 72px; }
  .page-hero h1 { font-size: 38px; }
}

@media (max-width: 768px) {
  .header-search { display: none; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 28px; }
  .page-hero { padding: 64px 0 56px; }
  .page-hero h1 { font-size: 32px; }
  .page-hero p { font-size: 16px; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 48px 28px; }
  .cta-box h2 { font-size: 26px; }
  .timeline { padding-left: 26px; }
  .timeline-item::before { left: -26px; width: 14px; height: 14px; }
}

@media (max-width: 520px) {
  .logo { font-size: 22px; }
  .header-inner { height: 68px; }
  .container { padding: 0 18px; }
  .page-hero h1 { font-size: 27px; }
  .section-head { margin-bottom: 32px; }
  .tabs-wrap { gap: 8px; }
  .tab { padding: 8px 18px; font-size: 14px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-card { padding: 22px 14px; }
  .stat-card strong { font-size: 30px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; }
  .footer-links { gap: 20px; }
}

/* ========== 无障碍 ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(245,158,11,.5);
  outline-offset: 2px;
}

/* roulang page: article */
:root {
  --brand-50: #f0f7ff;
  --brand-100: #dceefe;
  --brand-200: #b8ddfd;
  --brand-300: #82c2fc;
  --brand-400: #459cf8;
  --brand-500: #1a7cf0;
  --brand-600: #0d63d8;
  --brand-700: #0c50af;
  --brand-800: #0e458b;
  --brand-900: #103a72;
  --accent-50: #fffbeb;
  --accent-100: #fef3c7;
  --accent-400: #fbbf24;
  --accent-500: #f59e0b;
  --accent-600: #d97706;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(15,23,42,.06);
  --shadow-lg: 0 12px 40px rgba(15,23,42,.12);
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
}
*,
*::before,
*::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
ul, ol { list-style: none; }
:focus-visible { outline: 3px solid rgba(26, 124, 240, .4); outline-offset: 2px; }
.container { width: min(1200px, 92%); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1rem 0; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--brand-900); letter-spacing: -0.02em; line-height: 1.2; display: inline-flex; align-items: baseline; }
.logo span { color: var(--brand-500); }
.header-search { flex: 1; max-width: 440px; }
.search-form { position: relative; display: flex; align-items: center; background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 999px; padding: .4rem .4rem .4rem 1rem; transition: border-color .2s, box-shadow .2s, background .2s; }
.search-form:focus-within { border-color: var(--brand-400); box-shadow: 0 0 0 4px rgba(26, 124, 240, .12); background: #fff; }
.search-icon { color: var(--gray-500); font-size: .9rem; }
.search-form input { flex: 1; border: none; outline: none; background: transparent; padding: .45rem .75rem; font-size: .95rem; width: 0; min-width: 0; }
.search-btn { background: var(--brand-600); color: #fff; border: none; border-radius: 999px; padding: .5rem 1.15rem; font-size: .85rem; font-weight: 600; cursor: pointer; transition: background .2s, transform .1s; white-space: nowrap; }
.search-btn:hover { background: var(--brand-700); }
.search-btn:active { transform: scale(.96); }

.header-nav { display: flex; align-items: center; gap: .25rem; }
.nav-link { display: inline-flex; align-items: center; padding: .55rem 1rem; border-radius: 999px; font-size: .95rem; font-weight: 500; color: var(--gray-700); transition: color .2s, background .2s; }
.nav-link:hover { background: var(--brand-50); color: var(--brand-700); }
.nav-link.active { background: var(--brand-600); color: #fff; font-weight: 600; }
.nav-link.active:hover { background: var(--brand-700); color: #fff; }

.mobile-toggle { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; border: 1px solid var(--gray-200); border-radius: 12px; background: #fff; color: var(--gray-700); font-size: 1.1rem; cursor: pointer; transition: border-color .2s, background .2s; }
.mobile-toggle:hover { border-color: var(--brand-300); background: var(--brand-50); }
.mobile-menu { display: none; padding: 1rem 4%; background: #fff; border-bottom: 1px solid var(--gray-200); }
.mobile-menu.open { display: block; }
.mobile-search { margin-bottom: .75rem; }
.mobile-nav { display: flex; flex-direction: column; gap: .25rem; }
.mobile-nav .nav-link { border-radius: 10px; }

.article-hero { position: relative; background-size: cover; background-position: center; padding: 5.5rem 0 4rem; color: #fff; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(8,30,54,.96) 0%, rgba(12,64,115,.84) 60%, rgba(26,124,240,.62) 100%); }
.article-hero .container { position: relative; z-index: 2; max-width: 860px; }
.breadcrumb { display: flex; align-items: center; gap: .5rem; font-size: .9rem; color: rgba(255,255,255,.8); margin-bottom: 1.2rem; flex-wrap: wrap; }
.breadcrumb a { color: #fff; transition: color .2s; }
.breadcrumb a:hover { color: var(--accent-400); }
.breadcrumb i { font-size: .6rem; color: rgba(255,255,255,.5); }
.breadcrumb-current { color: var(--accent-400); }
.article-hero-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.3; letter-spacing: -0.02em; margin-bottom: 1rem; }
.article-hero-meta { display: flex; flex-wrap: wrap; gap: 1.2rem; font-size: .9rem; color: rgba(255,255,255,.85); }
.article-hero-meta span { display: inline-flex; align-items: center; gap: .45rem; }

.article-section { padding: 3.5rem 0 5rem; background: var(--gray-50); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 2.5rem; align-items: start; }
.article-main { min-width: 0; }
.article-body-content { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 2.5rem 2.2rem; box-shadow: var(--shadow); }
.article-body-content h2 { font-size: 1.5rem; color: var(--gray-900); margin: 2rem 0 1rem; font-weight: 700; letter-spacing: -0.01em; }
.article-body-content h3 { font-size: 1.2rem; color: var(--gray-900); margin: 1.6rem 0 .75rem; font-weight: 700; }
.article-body-content p { margin-bottom: 1.1rem; color: var(--gray-700); }
.article-body-content ul,
.article-body-content ol { margin: 0 0 1.2rem 1.25rem; }
.article-body-content li { margin-bottom: .5rem; list-style: disc; }
.article-body-content ol li { list-style: decimal; }
.article-body-content img { border-radius: var(--radius); margin: 1.5rem 0; }
.article-body-content a { color: var(--brand-600); text-decoration: underline; text-underline-offset: 3px; }
.article-body-content blockquote { border-left: 4px solid var(--brand-400); background: var(--brand-50); padding: 1rem 1.25rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.5rem 0; color: var(--gray-700); }
.article-body-content table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; }
.article-body-content th,
.article-body-content td { border: 1px solid var(--gray-200); padding: .6rem .8rem; text-align: left; }
.article-body-content th { background: var(--brand-50); font-weight: 600; color: var(--gray-900); }

.not-found { text-align: center; padding: 5rem 1rem; background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); box-shadow: var(--shadow); }
.not-found i { font-size: 2.5rem; color: var(--gray-300); margin-bottom: 1rem; }
.not-found h2 { font-size: 1.5rem; margin-bottom: .5rem; color: var(--gray-900); }
.not-found p { color: var(--gray-500); margin-bottom: 1.5rem; }

.article-sidebar { display: flex; flex-direction: column; gap: 1.5rem; position: sticky; top: 100px; }
.widget { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.widget h3 { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); margin-bottom: 1rem; padding-bottom: .6rem; border-bottom: 2px solid var(--brand-100); display: flex; align-items: center; gap: .5rem; }
.ctrl-card p { font-size: .9rem; color: var(--gray-500); margin-bottom: 1rem; }
.btn-block { display: block; width: 100%; text-align: center; }
.side-list { display: flex; flex-direction: column; gap: .25rem; }
.side-post-item { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .65rem .5rem; border-radius: 10px; transition: background .2s, transform .2s; }
.side-post-item:hover { background: var(--brand-50); transform: translateX(3px); }
.side-post-title { font-size: .9rem; font-weight: 500; color: var(--gray-700); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.side-post-title:hover { color: var(--brand-700); }
.side-post-date { font-size: .75rem; color: var(--gray-500); white-space: nowrap; }
.category-links { display: flex; flex-direction: column; gap: .75rem; }
.category-link { display: flex; align-items: center; gap: .8rem; padding: .75rem; border: 1px solid var(--gray-200); border-radius: 12px; transition: border-color .2s, background .2s, transform .2s; }
.category-link:hover { border-color: var(--brand-300); background: var(--brand-50); transform: translateY(-2px); }
.category-link i { width: 38px; height: 38px; flex: 0 0 38px; display: flex; align-items: center; justify-content: center; background: var(--brand-600); color: #fff; border-radius: 10px; font-size: 1rem; }
.category-link div { display: flex; flex-direction: column; }
.category-link strong { font-size: .95rem; color: var(--gray-900); }
.category-link span { font-size: .78rem; color: var(--gray-500); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .7rem 1.5rem; border-radius: 999px; font-size: .95rem; font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: all .2s; }
.btn-primary { background: var(--brand-600); color: #fff; }
.btn-primary:hover { background: var(--brand-700); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(13, 99, 216, .25); }
.btn-outline { border-color: rgba(255,255,255,.5); color: #fff; background: rgba(255,255,255,.08); }
.btn-outline:hover { background: #fff; color: var(--brand-800); border-color: #fff; transform: translateY(-2px); }

.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-tag { display: inline-block; background: var(--brand-50); color: var(--brand-700); font-size: .85rem; font-weight: 600; padding: .3rem .9rem; border-radius: 999px; margin-bottom: .75rem; letter-spacing: .05em; }
.section-header h2 { font-size: 2rem; font-weight: 800; color: var(--gray-900); letter-spacing: -0.02em; margin-bottom: .5rem; }
.section-header p { color: var(--gray-500); max-width: 560px; margin-inline: auto; }

.related-section { padding: 5rem 0; background: #fff; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.related-card { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; display: block; transition: transform .3s, box-shadow .3s; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-cover { height: 180px; background-size: cover; background-position: center; }
.related-body { padding: 1.5rem 1.4rem; }
.related-cat { display: inline-block; background: var(--brand-50); color: var(--brand-700); font-size: .75rem; font-weight: 600; padding: .2rem .7rem; border-radius: 999px; margin-bottom: .6rem; }
.related-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--gray-900); margin-bottom: .5rem; line-height: 1.4; }
.related-body p { font-size: .9rem; color: var(--gray-500); margin-bottom: .8rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-date { font-size: .78rem; color: var(--gray-500); }

.cta-section { padding: 5rem 0; background: linear-gradient(135deg, #0e2a4a 0%, #123a72 50%, #1a5ea8 100%); }
.cta-box { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.cta-text h2 { font-size: 1.7rem; font-weight: 800; color: #fff; margin-bottom: .5rem; letter-spacing: -0.02em; }
.cta-text p { color: rgba(255,255,255,.8); }
.cta-actions { display: flex; gap: .8rem; flex-wrap: wrap; }

.faq-section { padding: 5rem 0; background: var(--gray-50); }
.faq-list { max-width: 760px; margin-inline: auto; display: flex; flex-direction: column; gap: .8rem; }
.faq-item { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: border-color .2s; }
.faq-item.open { border-color: var(--brand-200); }
.faq-question { display: flex; align-items: center; justify-content: space-between; width: 100%; background: transparent; border: none; padding: 1.2rem 1.4rem; font-size: 1rem; font-weight: 600; color: var(--gray-900); cursor: pointer; text-align: left; transition: background .2s; }
.faq-question:hover { background: var(--brand-50); }
.faq-question i { color: var(--brand-500); transition: transform .3s; font-size: .85rem; flex: 0 0 auto; }
.faq-item.open .faq-question i.fa-chevron-down { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 1.4rem 1.3rem; color: var(--gray-500); font-size: .95rem; line-height: 1.7; }
.faq-item.open .faq-answer { display: block; }

.site-footer { background: var(--brand-900); color: rgba(255,255,255,.75); }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; padding: 4rem 0 2.5rem; }
.footer-brand .logo { color: #fff; font-size: 1.4rem; }
.footer-brand .logo span { color: var(--accent-400); }
.footer-brand p { margin-top: 1rem; font-size: .92rem; color: rgba(255,255,255,.55); max-width: 360px; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.footer-col { display: flex; flex-direction: column; gap: .6rem; }
.footer-col h4 { font-size: 1rem; color: #fff; margin-bottom: .5rem; }
.footer-col a { font-size: .9rem; color: rgba(255,255,255,.6); transition: color .2s; }
.footer-col a:hover { color: var(--accent-400); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 1.3rem 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.footer-bottom p { font-size: .85rem; color: rgba(255,255,255,.45); }

@media (max-width: 1024px) {
  .header-search { display: none; }
  .header-nav { display: none; }
  .mobile-toggle { display: inline-flex; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .content-grid { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .article-hero { padding: 3.5rem 0 2.5rem; }
  .article-hero-title { font-size: 1.7rem; }
  .article-body-content { padding: 1.6rem 1.3rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .section-header h2 { font-size: 1.6rem; }
}
@media (max-width: 520px) {
  .header-inner { padding: .8rem 0; gap: 1rem; }
  .logo { font-size: 1.25rem; }
  .article-hero { padding: 2.8rem 0 2rem; }
  .article-hero-title { font-size: 1.45rem; }
  .article-hero-meta { gap: .6rem; flex-direction: column; align-items: flex-start; }
  .footer-links { grid-template-columns: 1fr; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .related-cover { height: 150px; }
}

/* roulang page: category2 */
:root {
    --brand: #1e3a8a;
    --brand-dark: #152b63;
    --gold: #d4a574;
    --bg-body: #f6f8fb;
    --bg-white: #ffffff;
    --text-main: #0f172a;
    --text-muted: #5b6b7f;
    --border: #e5e9f0;
    --radius: 16px;
    --shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.1);
    --transition: all 0.3s ease;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  a { text-decoration: none; color: inherit; }
  img { max-width: 100%; display: block; }
  button, input { font-family: inherit; }

  .container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  /* === Header === */
  .site-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
  }
  .header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
  }
  .logo {
    font-size: 26px;
    font-weight: 800;
    color: var(--brand);
    letter-spacing: 1px;
    white-space: nowrap;
    display: flex;
    align-items: baseline;
  }
  .logo span {
    color: var(--gold);
    font-weight: 700;
    margin-left: 2px;
  }
  .header-search {
    flex: 1;
    max-width: 460px;
    margin: 0 auto;
  }
  .search-form {
    display: flex;
    align-items: center;
    background: #f1f4f9;
    border-radius: 40px;
    padding: 4px 6px 4px 18px;
    border: 1px solid transparent;
    transition: var(--transition);
  }
  .search-form:focus-within {
    background: #fff;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
  }
  .search-form i {
    color: #94a3b8;
    font-size: 14px;
    margin-right: 10px;
  }
  .search-form input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    color: var(--text-main);
    min-width: 0;
  }
  .search-form input::placeholder {
    color: #94a3b8;
  }
  .search-form button {
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 30px;
    padding: 8px 22px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
  }
  .search-form button:hover {
    background: var(--brand-dark);
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
  }
  .header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .nav-link {
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: #475569;
    border-radius: 30px;
    transition: var(--transition);
  }
  .nav-link:hover {
    color: var(--brand);
    background: #eff3fa;
  }
  .nav-link.active {
    color: #fff;
    background: var(--brand);
    font-weight: 600;
  }
  .menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    width: 42px;
    height: 42px;
    font-size: 18px;
    color: var(--brand);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
  }
  .menu-toggle:hover {
    background: #eff3fa;
  }

  /* === Hero === */
  .page-hero {
    position: relative;
    padding: 110px 0 100px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
  }
  .page-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(10, 20, 48, 0.9) 0%, rgba(15, 30, 68, 0.72) 50%, rgba(10, 20, 48, 0.88) 100%);
  }
  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    color: #fff;
  }
  .hero-badge {
    display: inline-block;
    background: rgba(212, 165, 116, 0.2);
    border: 1px solid rgba(212, 165, 116, 0.5);
    color: var(--gold);
    padding: 6px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 24px;
    text-transform: uppercase;
  }
  .hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: 1px;
  }
  .hero-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    line-height: 1.8;
  }
  .hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
  }
  .btn-primary {
    background: var(--gold);
    color: #1a1a1a;
    box-shadow: 0 4px 20px rgba(212, 165, 116, 0.4);
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 165, 116, 0.5);
  }
  .btn-outline {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(4px);
  }
  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
  }

  /* === Section Commons === */
  .section {
    padding: 90px 0;
  }
  .section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
  }
  .section-eyebrow {
    display: inline-block;
    color: var(--brand);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .section-head h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 16px;
  }
  .section-head p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.8;
  }

  /* === Cards === */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .safe-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  .safe-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand), var(--gold));
    opacity: 0;
    transition: var(--transition);
  }
  .safe-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
  }
  .safe-card:hover::before {
    opacity: 1;
  }
  .card-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #eef2fb, #fdf2e7);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--brand);
  }
  .safe-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 12px;
  }
  .safe-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  /* === Guide Articles === */
  .guide-section {
    background: #fff;
  }
  .article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .article-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
  }
  .article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }
  .article-cover {
    position: relative;
    height: 190px;
    overflow: hidden;
  }
  .article-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .article-card:hover .article-cover img {
    transform: scale(1.05);
  }
  .article-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.35), transparent);
  }
  .article-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: rgba(255,255,255,0.92);
    color: var(--brand);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
  }
  .article-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .article-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.45;
  }
  .article-body p {
    font-size: 14px;
    color: var(--text-muted);
    flex: 1;
  }
  .article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
    font-size: 13px;
    color: #94a3b8;
  }
  .article-link {
    color: var(--brand);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
  }
  .article-link:hover {
    gap: 12px;
    color: var(--brand-dark);
  }

  /* === Steps === */
  .steps-section {
    background: linear-gradient(180deg, #f6f8fb, #eef2f8);
  }
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
  }
  .step-item {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 36px 28px 32px;
    position: relative;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    text-align: left;
    transition: var(--transition);
  }
  .step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }
  .step-num {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--brand);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
  }
  .step-item h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
  }
  .step-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  /* === Stats === */
  .stats-section {
    background: var(--brand);
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
  }
  .stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(21, 43, 99, 0.92);
  }
  .stats-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
    color: #fff;
  }
  .stat-item .stat-num {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--gold);
  }
  .stat-item .stat-label {
    font-size: 15px;
    color: rgba(255,255,255,0.7);
    margin-top: 8px;
  }

  /* === FAQ === */
  .faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
  }
  .faq-item.open {
    border-color: var(--brand);
    box-shadow: var(--shadow);
  }
  .faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    text-align: left;
    gap: 16px;
    transition: var(--transition);
  }
  .faq-question i {
    color: var(--brand);
    transition: transform 0.3s ease;
    font-size: 14px;
    flex-shrink: 0;
  }
  .faq-item.open .faq-question i {
    transform: rotate(180deg);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .faq-answer-inner {
    padding: 0 24px 22px;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.8;
  }

  /* === CTA === */
  .cta-section {
    padding: 80px 0;
    background: #fff;
  }
  .cta-box {
    background: linear-gradient(135deg, #1e3a8a 0%, #152b63 100%);
    border-radius: 28px;
    padding: 60px 50px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(22, 45, 88, 0.25);
  }
  .cta-box::after {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background: rgba(212, 165, 116, 0.16);
    border-radius: 50%;
  }
  .cta-box h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
  }
  .cta-box p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  /* === Footer === */
  .site-footer {
    background: #0e1526;
    color: #9aa8bc;
    padding-top: 60px;
    font-size: 14px;
  }
  .footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }
  .footer-brand .logo {
    color: #fff;
    font-size: 24px;
    margin-bottom: 14px;
    display: inline-block;
  }
  .footer-brand p {
    line-height: 1.8;
    font-size: 14px;
  }
  .footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 1px;
  }
  .footer-col a {
    display: block;
    color: #9aa8bc;
    padding: 6px 0;
    transition: var(--transition);
  }
  .footer-col a:hover {
    color: var(--gold);
    padding-left: 6px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 22px 0;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    color: #6b7b90;
    font-size: 13px;
  }

  /* === Responsive === */
  @media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .article-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .header-inner {
      position: relative;
    }
    .header-nav {
      position: absolute;
      top: calc(100% + 10px);
      left: 24px;
      right: 24px;
      background: #fff;
      border-radius: 16px;
      box-shadow: var(--shadow-lg);
      padding: 16px;
      flex-direction: column;
      align-items: stretch;
      display: none;
      z-index: 200;
      border: 1px solid var(--border);
    }
    .header-nav.open {
      display: flex;
    }
    .nav-link {
      text-align: center;
      padding: 12px;
      border-radius: 10px;
    }
    .menu-toggle {
      display: flex;
    }
    .header-search {
      order: 3;
      max-width: 100%;
      margin-top: 10px;
      flex-basis: 100%;
    }
    .header-inner {
      flex-wrap: wrap;
    }
  }

  @media (max-width: 768px) {
    .section { padding: 64px 0; }
    .hero-content h1 { font-size: 34px; }
    .hero-content p { font-size: 16px; }
    .page-hero { padding: 80px 0; }
    .section-head h2 { font-size: 28px; }
    .card-grid { grid-template-columns: 1fr; }
    .article-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; }
    .cta-box { padding: 40px 24px; }
    .cta-box h2 { font-size: 24px; }
    .hero-actions .btn { width: 100%; justify-content: center; }
  }

  @media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-item .stat-num { font-size: 42px; }
    .section-head h2 { font-size: 24px; }
    .logo { font-size: 22px; }
    .search-form button { padding: 8px 14px; font-size: 13px; }
    .header-actions { gap: 6px; }
    .nav-link { font-size: 14px; padding: 10px 12px; }
  }