/* roulang page: index */
:root {
  --primary: #0e1f3d;
  --primary-dark: #080f1f;
  --primary-light: #1b3563;
  --accent: #c9a24a;
  --accent-light: #ddbe77;
  --accent-dark: #a88530;
  --text: #2d3a4f;
  --text-muted: #6c7a91;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --border: #e4e8f0;
  --radius-lg: 24px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(14, 28, 55, 0.08);
  --shadow-lg: 0 20px 50px rgba(14, 28, 55, 0.14);
  --transition: all 0.3s ease;
}
* { box-sizing: border-box; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { color: var(--primary); font-weight: 700; line-height: 1.3; }
a { text-decoration: none; color: inherit; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; }
.section { padding: 100px 0; position: relative; }
.bg-white { background: var(--surface); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-tag {
  display: inline-block;
  background: rgba(201, 162, 74, 0.14);
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 8px 22px;
  border-radius: 50px;
  margin-bottom: 18px;
  border: 1px solid rgba(201, 162, 74, 0.25);
}
.section-head h2 { font-size: 42px; margin-bottom: 16px; }
.section-head p { color: var(--text-muted); font-size: 17px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  border-radius: 50px;
  padding: 12px 32px;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: var(--primary-dark);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 8px 24px rgba(201, 162, 74, 0.3);
}
.btn-accent:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(201, 162, 74, 0.4); color: var(--primary-dark); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, 0.7); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.15); color: #fff; transform: translateY(-3px); }
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1050;
  background: rgba(14, 31, 61, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-header .navbar { padding: 18px 0; }
.navbar-brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; color: #fff; }
.brand-mark {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: var(--primary-dark);
  font-size: 15px; font-weight: 800;
  border-radius: 12px;
}
.brand-text { color: #fff; font-weight: 700; }
.navbar .nav-link { color: rgba(255,255,255,0.85); font-weight: 500; padding: 8px 18px; margin: 0 4px; border-radius: 50px; transition: var(--transition); font-size: 15px; }
.navbar .nav-link:hover { color: var(--accent-light); background: rgba(255,255,255,0.1); }
.navbar .nav-link.active { color: #fff; background: rgba(255,255,255,0.14); }
.navbar-toggler { border: none; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
.category-hero {
  padding: 180px 0 90px;
  background-image: linear-gradient(135deg, rgba(8,15,31,0.92), rgba(14,31,61,0.76)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}
.category-hero h1 { color: #fff; font-size: 50px; }
.category-hero p { color: rgba(255,255,255,0.8); max-width: 620px; margin: 16px auto 0; }
.category-hero .hero-tag { margin-bottom: 20px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(201, 162, 74, 0.45);
  color: var(--accent-light);
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 14px;
  letter-spacing: 0.08em;
}
.intro-img { border-radius: var(--radius-lg); object-fit: cover; box-shadow: var(--shadow-lg); width: 100%; }
.intro-content h2 { font-size: 34px; margin-bottom: 20px; }
.intro-content p { color: var(--text-muted); font-size: 16px; margin-bottom: 16px; }
.stage-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  height: 100%;
  transition: var(--transition);
  text-align: center;
}
.stage-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.stage-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.stage-card h3 { font-size: 19px; margin-bottom: 10px; }
.stage-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 0; }
.card-custom {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}
.card-custom:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-custom h3 { font-size: 18px; margin-bottom: 10px; }
.card-custom p { color: var(--text-muted); font-size: 14px; margin-bottom: 0; }
.card-custom .card-icon { color: var(--accent-dark); font-size: 26px; margin-bottom: 14px; }
.stats-section {
  background-image: linear-gradient(135deg, rgba(8, 15, 31, 0.92), rgba(14, 31, 61, 0.85)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  color: #fff;
}
.stats-section .section-head h2 { color: #fff; }
.stats-section .section-head p { color: rgba(255,255,255,0.7); }
.stat-item { text-align: center; padding: 30px 20px; }
.stat-num { font-size: 56px; font-weight: 800; color: var(--accent-light); line-height: 1.2; }
.stat-plus { font-size: 32px; color: var(--accent); }
.stat-label { color: rgba(255,255,255,0.75); font-size: 15px; margin-top: 8px; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion-item { border: 1px solid var(--border); border-radius: var(--radius) !important; overflow: hidden; margin-bottom: 16px; box-shadow: 0 4px 16px rgba(14, 28, 55, 0.04); background: var(--surface); }
.accordion-button { font-size: 16px; font-weight: 600; color: var(--primary); padding: 22px 26px; background: var(--surface); }
.accordion-button:not(.collapsed) { background: linear-gradient(135deg, rgba(201,162,74,0.1), rgba(201,162,74,0.04)); color: var(--primary); box-shadow: none; }
.accordion-button:focus { box-shadow: none; border-color: rgba(201,162,74,0.3); }
.accordion-body { padding: 0 26px 22px; color: var(--text-muted); }
.cta-section {
  background-image: linear-gradient(135deg, rgba(8, 15, 31, 0.92), rgba(14, 31, 61, 0.78)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
  padding: 110px 0;
}
.cta-section h2 { color: #fff; font-size: 40px; }
.cta-section p { color: rgba(255,255,255,0.8); font-size: 17px; max-width: 560px; margin: 18px auto 36px; }
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 80px 0 30px; }
.site-footer .footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
.site-footer p { font-size: 14px; }
.site-footer h5 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-links a { display: inline-block; color: rgba(255,255,255,0.65); margin: 0 12px 8px 0; font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: var(--accent-light); }
.footer-divider { border-color: rgba(255,255,255,0.12); margin: 40px 0 22px; }
.copyright { font-size: 14px; color: rgba(255,255,255,0.5); }
.copyright .domain { color: rgba(255,255,255,0.4); }
.mobile-tabbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1040;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  display: none;
  padding: 8px 6px;
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
  justify-content: space-around;
}
.mobile-tabbar .tab-item { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 12px; color: var(--text-muted); padding: 6px 10px; border-radius: 14px; transition: var(--transition); }
.mobile-tabbar .tab-item i { font-size: 20px; }
.mobile-tabbar .tab-item.active { color: var(--accent-dark); background: rgba(201,162,74,0.1); }
.mobile-tabbar .tab-item:hover { color: var(--primary); }
@media (max-width: 991.98px) {
  .section { padding: 70px 0; }
  .mobile-tabbar { display: flex; }
  body { padding-bottom: 70px; }
  .site-header .navbar-collapse { background: rgba(14,31,61,0.97); border-radius: 16px; padding: 18px; margin-top: 12px; border: 1px solid rgba(255,255,255,0.1); }
  .category-hero h1 { font-size: 38px; }
  .section-head h2 { font-size: 32px; }
  .stat-num { font-size: 42px; }
}
@media (max-width: 767.98px) {
  .category-hero h1 { font-size: 30px; }
  .section-head h2 { font-size: 28px; }
  .cta-section h2 { font-size: 30px; }
  .site-footer { padding: 50px 0 90px; }
  .stat-num { font-size: 32px; }
  .intro-content h2 { font-size: 26px; }
  .btn { width: 100%; justify-content: center; max-width: 320px; }
}
@media (max-width: 520px) {
  .section { padding: 55px 0; }
  .brand-text { font-size: 16px; }
}

/* roulang page: category1 */
:root{
  --bg:#0b1018;
  --bg-soft:#101824;
  --surface:#141d2a;
  --surface-2:#1a2533;
  --text:#e8edf4;
  --text-muted:#93a3b5;
  --primary:#d4a853;
  --primary-dark:#b8893c;
  --primary-soft:rgba(212,168,83,.12);
  --border:rgba(255,255,255,.08);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(0,0,0,.28);
  --transition:all .25s ease;
  --font-body:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:#e5c06d}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{max-width:1240px}
@media (min-width:1200px){.container{max-width:1240px}}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1020;
  background:rgba(11,16,24,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header .navbar{padding-top:.8rem;padding-bottom:.8rem}
.navbar-brand{display:flex;align-items:center;gap:.65rem;color:#f5f7fa;font-weight:700;font-size:1.15rem;line-height:1.2}
.navbar-brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,#e4b95b,#b8893c);color:#0b1018;
  display:flex;align-items:center;justify-content:center;font-weight:800;letter-spacing:.02em;
  box-shadow:0 4px 14px rgba(212,168,83,.25);
}
.brand-text{letter-spacing:.04em}
.navbar .nav-link{
  color:rgba(255,255,255,.75);font-weight:500;border-radius:10px;
  padding:.55rem 1.05rem;margin:0 .2rem;transition:var(--transition);
}
.navbar .nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.navbar .nav-link.active{color:var(--primary);background:var(--primary-soft)}
.navbar-toggler{border-color:rgba(255,255,255,.15);padding:.5rem .7rem}
.navbar-toggler:focus{box-shadow:0 0 0 .2rem rgba(212,168,83,.25)}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-width='2' linecap='round' linejoin='round' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
@media(max-width:991.98px){
  .navbar-collapse{padding-top:.75rem}
}

/* 通用板块 */
.section{padding:5.5rem 0}
.section-alt{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:3rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-block;color:var(--primary);background:var(--primary-soft);
  border:1px solid rgba(212,168,83,.25);padding:.28rem .85rem;border-radius:999px;
  font-size:.78rem;font-weight:600;letter-spacing:.06em;margin-bottom:.85rem;
}
.section-head h2{font-size:2.2rem;font-weight:800;line-height:1.35;color:#fff;margin-bottom:.75rem}
.section-head p{color:var(--text-muted);font-size:1rem;margin-bottom:0}
@media(max-width:768px){
  .section{padding:3.5rem 0}
  .section-head h2{font-size:1.7rem}
}

/* 首屏 Hero */
.page-hero{
  position:relative;
  background-size:cover;background-position:center;
  padding:7rem 0 6rem;
  overflow:hidden;
}
.page-hero::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,16,24,.72),rgba(11,16,24,.58) 50%,rgba(11,16,24,.9));
}
.page-hero .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--primary-soft);border:1px solid rgba(212,168,83,.3);
  color:var(--primary);border-radius:999px;padding:.35rem .9rem;font-size:.82rem;font-weight:600;
  margin-bottom:1.1rem;
}
.page-hero h1{
  font-size:3.2rem;font-weight:800;line-height:1.22;color:#fff;letter-spacing:.02em;margin-bottom:1rem;
}
.page-hero .hero-desc{
  font-size:1.1rem;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:2rem;
}
.countdown-wrap{
  display:inline-flex;gap:.75rem;align-items:center;flex-wrap:wrap;
}
.cd-item{
  min-width:86px;padding:.9rem .55rem;text-align:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  border-radius:16px;backdrop-filter:blur(6px);
}
.cd-item b{
  display:block;font-size:1.9rem;font-weight:800;color:#fff;line-height:1.25;
}
.cd-item span{
  font-size:.75rem;color:rgba(255,255,255,.7);
}
.hero-note{
  margin-top:1rem;font-size:.85rem;color:rgba(255,255,255,.6);
}
@media(max-width:768px){
  .page-hero{padding:4.5rem 0 4rem}
  .page-hero h1{font-size:2.15rem}
  .page-hero .hero-desc{font-size:1rem}
  .cd-item{min-width:70px;padding:.7rem .4rem}
  .cd-item b{font-size:1.5rem}
}

/* 统计卡片 */
.stats-row{margin-top:2.5rem}
.stat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.6rem 1.5rem;height:100%;transition:var(--transition);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:1.2rem;margin-bottom:1rem;
}
.stat-card h3{font-size:2rem;font-weight:800;color:#fff;margin-bottom:.4rem}
.stat-card p{color:var(--text-muted);font-size:.9rem;margin:0}

/* 横向主题卡 */
.topic-scroll{
  display:flex;overflow-x:auto;gap:1.5rem;padding:.5rem .25rem 1.5rem;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:rgba(212,168,83,.5) rgba(255,255,255,.06);
}
.topic-scroll::-webkit-scrollbar{height:6px}
.topic-scroll::-webkit-scrollbar-thumb{background:rgba(212,168,83,.4);border-radius:999px}
.topic-scroll::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px}
.topic-card{
  min-width:290px;max-width:290px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;scroll-snap-align:start;transition:var(--transition);
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(212,168,83,.25)}
.topic-cover{width:100%;height:170px;object-fit:cover}
.topic-body{padding:1.3rem 1.3rem 1.6rem}
.topic-body h3{color:#fff;font-size:1.1rem;font-weight:700;margin-bottom:.5rem}
.topic-body p{color:var(--text-muted);font-size:.88rem;line-height:1.65;margin-bottom:.9rem}
.topic-link{color:var(--primary);font-size:.85rem;font-weight:600;display:inline-flex;align-items:center;gap:.35rem}
.topic-link i{transition:var(--transition)}
.topic-link:hover i{transform:translateX(4px)}

/* 赛程阶段 */
.bracket-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;position:relative}
.bracket-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.8rem 1.3rem;position:relative;transition:var(--transition);height:100%;
}
.bracket-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.bracket-step{
  display:inline-flex;align-items:center;gap:.4rem;color:var(--primary);
  font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  background:var(--primary-soft);border-radius:999px;padding:.3rem .75rem;margin-bottom:1rem;
}
.bracket-card h3{color:#fff;font-size:1.15rem;font-weight:700;margin-bottom:.55rem}
.bracket-card p{color:var(--text-muted);font-size:.88rem;margin:0}
.bracket-num{
  position:absolute;top:1.2rem;right:1.3rem;font-size:2rem;font-weight:800;color:rgba(255,255,255,.07);
  line-height:1;
}
.bracket-arrow{
  position:absolute;top:50%;right:-1.2rem;transform:translateY(-50%);
  color:var(--primary);font-size:1.1rem;z-index:2;
}
@media(max-width:991px){
  .bracket-grid{grid-template-columns:repeat(2,1fr)}
  .bracket-arrow{display:none}
}
@media(max-width:575px){
  .bracket-grid{grid-template-columns:1fr}
  .bracket-card{padding:1.5rem 1.1rem}
}

/* 小组排行表 */
.ranking-wrap{
  background:var(--surface);border:1px solid var(--border);
  border-radius:calc(var(--radius) + 6px);overflow:hidden;
}
.ranking-table{margin-bottom:0}
.ranking-table thead th{
  background:#0f1621;color:var(--primary);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  padding:1rem .9rem;border-bottom:1px solid var(--border);
  font-weight:700;
}
.ranking-table tbody td{
  padding:1rem .9rem;color:var(--text);border-color:var(--border);
  background:transparent;vertical-align:middle;
}
.ranking-table tbody tr:hover td{background:rgba(255,255,255,.025)}
.rank-badge{
  width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;background:#1c2634;color:var(--primary);flex-shrink:0;
}
.rank-badge-1{background:linear-gradient(135deg,#e4b95b,#b8893c);color:#0b1018}
.rank-badge-2{background:linear-gradient(135deg,#cfd6df,#aab4c0);color:#0b1018}
.rank-badge-3{background:linear-gradient(135deg,#c98a5e,#a86a43);color:#fff}
.team-cell{display:flex;align-items:center;gap:.65rem}
.team-avatar{
  width:34px;height:34px;border-radius:10px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;flex-shrink:0;
}
.ranking-note{
  padding:1rem 1.2rem;border-top:1px solid var(--border);
  color:var(--text-muted);font-size:.82rem;background:rgba(255,255,255,.015);
}
@media(max-width:575px){
  .ranking-table thead th,.ranking-table tbody td{padding:.7rem .6rem;font-size:.85rem}
  .rank-badge{width:28px;height:28px;font-size:.82rem}
}

/* 资讯列表 */
.news-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;margin-bottom:1.5rem;transition:var(--transition);
}
.news-card:hover{border-color:rgba(212,168,83,.28);box-shadow:var(--shadow)}
.news-cover{width:220px;min-height:160px;object-fit:cover;flex-shrink:0}
.news-body{padding:1.2rem 1.4rem;display:flex;flex-direction:column;justify-content:center}
.news-date{font-size:.75rem;color:var(--text-muted);display:flex;align-items:center;gap:.45rem;margin-bottom:.4rem;letter-spacing:.04em}
.news-body h3{font-size:1.05rem;font-weight:700;color:#fff;line-height:1.5;margin-bottom:.45rem;transition:var(--transition)}
.news-card:hover .news-body h3{color:var(--primary)}
.news-body p{font-size:.87rem;color:var(--text-muted);margin:0}
@media(max-width:768px){
  .news-card{flex-direction:column}
  .news-cover{width:100%;height:180px}
}

/* FAQ */
.faq-intro h2{font-size:2.1rem;font-weight:800;color:#fff;line-height:1.35;margin-bottom:.8rem}
.faq-intro p{color:var(--text-muted)}
.faq-intro .section-tag{margin-bottom:.9rem}
.accordion{
  --bs-accordion-bg:var(--surface);
  --bs-accordion-border-color:var(--border);
  --bs-accordion-btn-color:var(--text);
  --bs-accordion-btn-bg:var(--surface);
  --bs-accordion-body-color:var(--text-muted);
  --bs-accordion-active-bg:var(--surface);
  --bs-accordion-active-color:var(--primary);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-padding-y:1.1rem;
  --bs-accordion-btn-padding-x:1.3rem;
  --bs-accordion-body-padding-y:0;
  --bs-accordion-body-padding-x:1.3rem;
  --bs-accordion-btn-icon:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23e8edf4'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  --bs-accordion-btn-active-icon:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23d4a853'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.accordion-item{
  border:1px solid var(--border);border-radius:var(--radius-sm) !important;
  margin-bottom:1rem;overflow:hidden;background:var(--surface);
}
.accordion-button{font-weight:600;font-size:.95rem;border-radius:0 !important}
.accordion-button:not(.collapsed){box-shadow:none}
.accordion-button::after{flex-shrink:0}
.accordion-body{padding:0 1.3rem 1.2rem;font-size:.9rem;line-height:1.75}
@media(max-width:991px){
  .faq-intro{margin-bottom:2rem}
}

/* CTA */
.cta-section{
  position:relative;background-size:cover;background-position:center;padding:5rem 0;
}
.cta-section::before{content:'';position:absolute;inset:0;background:rgba(11,16,24,.78)}
.cta-section .container{position:relative;z-index:2}
.cta-box{text-align:center;max-width:680px;margin:0 auto}
.cta-box h2{color:#fff;font-size:2rem;font-weight:800;margin-bottom:.9rem}
.cta-box p{color:rgba(255,255,255,.8);font-size:1rem;margin-bottom:1.8rem}
.btn-gold{
  background:linear-gradient(135deg,#e4b95b,#b8893c);color:#0b1018;
  border:none;border-radius:999px;padding:.85rem 2rem;font-weight:700;letter-spacing:.04em;
  transition:var(--transition);box-shadow:0 8px 24px rgba(212,168,83,.25);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(212,168,83,.35);color:#0b1018}
.btn-gold:active{transform:translateY(0)}
.btn-outline-light{
  color:#fff;border:1px solid rgba(255,255,255,.45);background:transparent;
  border-radius:999px;padding:.85rem 1.6rem;font-weight:600;transition:var(--transition);
}
.btn-outline-light:hover{background:rgba(255,255,255,.08);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-outline-light:active{transform:translateY(0)}
.btn-outline-light:focus{box-shadow:0 0 0 .25rem rgba(255,255,255,.12)}
@media(max-width:575px){
  .btn-gold,.btn-outline-light{display:block;width:100%;margin:0 0 .75rem !important}
  .cta-box h2{font-size:1.6rem}
}

/* 页脚 */
.site-footer{
  background:#0a0e15;color:var(--text-muted);padding:4rem 0 6rem;
  border-top:1px solid rgba(255,255,255,.05);
}
@media(max-width:991.98px){
  .site-footer{padding-bottom:calc(5rem + env(safe-area-inset-bottom))}
}
.footer-brand{display:flex;align-items:center;gap:.6rem;font-size:1.2rem;font-weight:700;color:#fff;margin-bottom:1rem}
.site-footer h5{color:#fff;font-size:1rem;font-weight:700;margin-bottom:1.1rem}
.footer-links{display:flex;flex-direction:column;gap:.65rem}
.footer-links a{color:var(--text-muted);transition:var(--transition);width:fit-content}
.footer-links a:hover{color:var(--primary)}
.site-footer p{margin-bottom:.55rem;font-size:.9rem}
.footer-divider{border-color:rgba(255,255,255,.07);margin:2rem 0 1.2rem}
.copyright{font-size:.82rem;color:var(--text-muted)}
.copyright .domain{color:var(--primary)}
@media(max-width:767px){
  .site-footer .col-lg-5,.site-footer .col-lg-3{margin-bottom:1.8rem}
}

/* 移动端底部 Tab */
.mobile-tab-nav{
  display:none;
  position:fixed;bottom:0;left:0;right:0;z-index:1040;
  background:rgba(10,14,21,.96);backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.08);
  justify-content:space-around;align-items:center;
  padding:.45rem .3rem calc(.45rem + env(safe-area-inset-bottom));
}
.mobile-tab-nav .tab-item{
  display:flex;flex-direction:column;align-items:center;gap:.2rem;
  color:rgba(255,255,255,.55);font-size:.68rem;font-weight:500;
  padding:.3rem .85rem;border-radius:12px;transition:var(--transition);min-width:64px;
}
.mobile-tab-nav .tab-item i{font-size:1.05rem}
.mobile-tab-nav .tab-item:hover{color:#fff;background:rgba(255,255,255,.06)}
.mobile-tab-nav .tab-item.active{color:var(--primary);background:var(--primary-soft)}
@media(max-width:991.98px){
  .mobile-tab-nav{display:flex}
  body{padding-bottom:62px}
}

/* roulang page: article */
:root{
  --primary:#0b1b3b;
  --primary-dark:#07122a;
  --primary-light:#1a2e5a;
  --accent:#d9a85a;
  --accent-strong:#c78b3f;
  --accent-soft:rgba(217,168,90,.12);
  --body-bg:#f4f6fb;
  --surface:#ffffff;
  --text-main:#16213e;
  --text-muted:#63708b;
  --border:#e4e8f1;
  --radius:18px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(11,27,59,.06);
  --shadow-md:0 12px 32px rgba(11,27,59,.10);
  --shadow-lg:0 24px 60px rgba(11,27,59,.16);
  --header-h:78px;
  --space:88px;
  --font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-family);
  background:var(--body-bg);
  color:var(--text-main);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s ease}
a:hover{color:var(--accent-strong)}
button:focus, a:focus{outline:3px solid rgba(217,168,90,.45);outline-offset:2px;border-radius:4px}
.container{max-width:1200px}
section{position:relative}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  height:var(--header-h);
  background:rgba(7,18,42,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header .navbar{
  height:var(--header-h);
  padding:0;
}
.navbar-brand{
  display:flex;align-items:center;gap:12px;
  font-size:1.22rem;font-weight:800;color:#fff;letter-spacing:.5px;
}
.navbar-brand:hover{color:var(--accent)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,#d9a85a,#b57d2f);
  color:#0b1b3b;font-weight:900;font-size:.9rem;
  box-shadow:0 6px 18px rgba(217,168,90,.35);
}
.brand-text{white-space:nowrap}
.navbar-nav{gap:4px}
.nav-link{
  color:rgba(255,255,255,.82);
  font-weight:600;font-size:1rem;
  padding:.6rem 1.05rem !important;
  border-radius:10px;
  position:relative;
  transition:color .25s,background .25s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{
  color:var(--accent);
  background:var(--accent-soft);
}
.navbar-toggler{
  border-color:rgba(255,255,255,.3);
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(217,168,90,.35)}

/* 移动端底部Tab */
.mobile-tabbar{
  display:none;
  position:fixed;bottom:0;left:0;right:0;z-index:1060;
  background:rgba(7,18,42,.98);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,255,255,.08);
  padding:6px 8px calc(8px + env(safe-area-inset-bottom));
  justify-content:space-around;
}
.tab-item{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  color:rgba(255,255,255,.6);
  font-size:.72rem;font-weight:600;
  padding:6px 10px;border-radius:12px;
  transition:color .2s,background .2s;
}
.tab-item i{font-size:1.2rem}
.tab-item:hover{color:#fff;background:rgba(255,255,255,.07)}
.tab-item.active{color:var(--accent)}
.tab-item.active i{text-shadow:0 0 16px rgba(217,168,90,.5)}

/* Banner */
.page-banner{
  position:relative;
  min-height:420px;
  background-size:cover;background-position:center;
  display:flex;align-items:center;
  overflow:hidden;
  padding:calc(var(--header-h) + 60px) 0 70px;
  margin-top:0;
}
.page-banner::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(7,18,42,.92) 0%,rgba(11,27,59,.78) 48%,rgba(7,18,42,.55) 100%);
}
.page-banner-content{position:relative;z-index:2;color:#fff}
.page-category{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);
  border:1px solid rgba(217,168,90,.4);
  color:var(--accent);
  padding:6px 16px;border-radius:30px;
  font-size:.85rem;font-weight:700;letter-spacing:1px;
  margin-bottom:18px;
}
.page-title{
  font-size:2.5rem;font-weight:900;line-height:1.3;
  margin-bottom:16px;
  letter-spacing:.5px;
  text-shadow:0 4px 24px rgba(0,0,0,.3);
}
.page-meta{
  display:flex;flex-wrap:wrap;gap:20px;
  color:rgba(255,255,255,.85);font-size:.92rem;
}
.page-meta span{display:inline-flex;align-items:center;gap:7px}
.page-meta i{color:var(--accent)}

/* 正文 */
.article-section{
  padding:70px 0 60px;
  position:relative;
  z-index:3;
  margin-top:-20px;
}
.article-card{
  background:var(--surface);
  border-radius:var(--radius);
  box-shadow:var(--shadow-md);
  overflow:hidden;
  padding:0 0 30px;
}
.article-cover-wrap{
  overflow:hidden;
  border-radius:var(--radius) var(--radius) 0 0;
  max-height:420px;
  background:#07122a;
}
.article-cover{
  width:100%;
  height:100%;
  object-fit:cover;
}
.article-body{
  padding:38px 42px 10px;
  font-size:1.02rem;
  color:var(--text-main);
  line-height:1.85;
}
.article-body h2{
  font-size:1.5rem;font-weight:800;
  margin:1.6em 0 .6em;
  color:var(--primary);
  padding-left:16px;
  border-left:4px solid var(--accent);
}
.article-body h3{
  font-size:1.2rem;font-weight:700;
  margin:1.4em 0 .5em;
  color:var(--primary);
}
.article-body p{margin:0 0 1.15em}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.4em}
.article-body li{margin-bottom:.4em}
.article-body blockquote{
  background:var(--accent-soft);
  border-left:4px solid var(--accent);
  border-radius:10px;
  padding:16px 22px;
  margin:0 0 1.2em;
  color:var(--primary);
  font-weight:600;
}
.article-body img{
  border-radius:14px;
  margin:1.4em 0;
  box-shadow:var(--shadow-sm);
}
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:22px 42px 0;
  margin-top:14px;
  border-top:1px solid var(--border);
}
.article-tags span{font-weight:700;color:var(--primary);font-size:.9rem}
.tag-item{
  display:inline-flex;align-items:center;gap:6px;
  background:#f8f9fc;
  border:1px solid var(--border);
  color:var(--primary);
  font-size:.85rem;font-weight:600;
  padding:6px 16px;border-radius:30px;
  transition:all .2s;
}
.tag-item:hover{
  background:var(--accent-soft);
  border-color:var(--accent);
  color:var(--accent-strong);
}
.not-found{
  text-align:center;
  padding:70px 30px 90px;
  background:var(--surface);
  border-radius:var(--radius);
  box-shadow:var(--shadow-md);
}
.not-found i{font-size:3rem;color:var(--accent);margin-bottom:14px}
.not-found h2{font-size:1.5rem;font-weight:800;color:var(--primary);margin-bottom:8px}
.not-found p{color:var(--text-muted);margin-bottom:26px}
.btn-gold{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#d9a85a,#b57d2f);
  color:#0b1b3b;
  font-weight:800;
  border:none;
  padding:12px 30px;
  border-radius:40px;
  box-shadow:0 8px 20px rgba(217,168,90,.35);
  transition:transform .25s,box-shadow .25s;
}
.btn-gold:hover{
  color:#0b1b3b;
  transform:translateY(-3px);
  box-shadow:0 14px 28px rgba(217,168,90,.45);
}

/* 侧边栏 */
.article-sidebar .side-card{
  background:var(--surface);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:26px 26px;
  margin-bottom:24px;
  border:1px solid rgba(228,232,241,.7);
  transition:box-shadow .3s;
}
.article-sidebar .side-card:hover{box-shadow:var(--shadow-md)}
.side-title{
  font-size:1.08rem;font-weight:800;color:var(--primary);
  margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.side-title::after{
  content:"";
  flex:1;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
  border-radius:2px;
}
.meta-list{list-style:none;padding:0;margin:0}
.meta-list li{
  display:flex;align-items:center;gap:10px;
  padding:12px 0;
  border-bottom:1px dashed var(--border);
  font-size:.96rem;
  color:var(--text-muted);
}
.meta-list li:last-child{border-bottom:none}
.meta-list li i{color:var(--accent);width:18px;text-align:center}
.meta-list li strong{color:var(--text-main);font-weight:700;min-width:60px}
.side-card .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-sm{
  background:#f8f9fc;
  border:1px solid var(--border);
  color:var(--primary);
  font-size:.78rem;font-weight:600;
  padding:4px 12px;border-radius:30px;
  transition:all .2s;
}
.tag-sm:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}

/* 相关资讯 */
.related-section{
  padding:80px 0;
  background:#fff;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section-head{
  text-align:center;
  max-width:620px;
  margin:0 auto 52px;
}
.section-head .section-eyebrow{
  display:inline-block;
  color:var(--accent-strong);
  font-size:.85rem;font-weight:800;letter-spacing:3px;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{
  font-size:2.1rem;font-weight:900;
  color:var(--primary);
  margin-bottom:12px;
}
.section-head p{color:var(--text-muted);font-size:1rem;margin:0}
.news-card{
  display:block;
  background:var(--surface);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  border:1px solid rgba(228,232,241,.8);
  transition:transform .3s,box-shadow .3s;
  height:100%;
}
.news-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.news-card-img{
  height:190px;overflow:hidden;background:#0b1b3b;
}
.news-card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s;
}
.news-card:hover .news-card-img img{transform:scale(1.06)}
.news-card-body{padding:24px 24px 22px}
.news-card-category{
  display:inline-block;
  color:var(--accent-strong);
  font-size:.78rem;font-weight:800;letter-spacing:1px;
  background:var(--accent-soft);
  padding:4px 12px;border-radius:30px;
  margin-bottom:12px;
}
.news-card-body h3{
  font-size:1.08rem;font-weight:800;
  color:var(--primary);
  line-height:1.5;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-body p{
  color:var(--text-muted);
  font-size:.9rem;
  margin-bottom:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-meta{
  font-size:.82rem;color:var(--text-muted);
  display:flex;align-items:center;gap:6px;
}
.news-card-meta i{color:var(--accent)}
.empty-tip{
  background:#fff;
  border-radius:var(--radius);
  padding:50px 24px;
  text-align:center;
  color:var(--text-muted);
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border);
}

/* FAQ */
.faq-section{
  padding:85px 0;
  background:var(--body-bg);
}
.accordion-item{
  border:1px solid var(--border);
  border-radius:14px !important;
  overflow:hidden;
  margin-bottom:16px;
  box-shadow:var(--shadow-sm);
}
.accordion-button{
  font-weight:700;
  color:var(--primary);
  background:#fff;
  padding:20px 24px;
  font-size:1rem;
  border:none;
}
.accordion-button:not(.collapsed){
  background:var(--accent-soft);
  color:var(--primary);
  box-shadow:none;
}
.accordion-button:focus{
  box-shadow:0 0 0 3px rgba(217,168,90,.35);
  border-radius:14px;
}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23d9a85a' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition:transform .3s;
}
.accordion-body{
  color:var(--text-muted);
  font-size:.96rem;
  line-height:1.8;
  padding:8px 24px 22px;
}

/* CTA */
.cta-section{
  padding:90px 0;
  background-size:cover;background-position:center;
  position:relative;
}
.cta-section::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,18,42,.94),rgba(11,27,59,.82));
}
.cta-inner{
  position:relative;z-index:2;
  text-align:center;
  color:#fff;
  max-width:760px;
  margin:0 auto;
}
.cta-inner h2{
  font-size:2.2rem;font-weight:900;
  margin-bottom:14px;
}
.cta-inner p{
  color:rgba(255,255,255,.82);
  font-size:1.05rem;
  margin-bottom:30px;
}
.btn-outline-gold{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;
  border:2px solid var(--accent);
  color:var(--accent);
  font-weight:800;
  padding:12px 32px;
  border-radius:40px;
  transition:all .25s;
}
.btn-outline-gold:hover{
  background:var(--accent);
  color:#0b1b3b;
  transform:translateY(-3px);
  box-shadow:0 12px 26px rgba(217,168,90,.35);
}

/* 页脚 */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.72);
  padding:70px 0 26px;
  margin-bottom:0;
}
.site-footer .footer-brand{
  display:flex;align-items:center;gap:12px;
  font-size:1.25rem;font-weight:800;color:#fff;
  margin-bottom:16px;
}
.site-footer p{font-size:.95rem;max-width:360px}
.site-footer h5{
  color:#fff;
  font-size:1rem;font-weight:800;
  margin-bottom:18px;
  letter-spacing:1px;
}
.footer-links{
  display:flex;flex-direction:column;gap:10px;
}
.footer-links a{
  color:rgba(255,255,255,.68);
  font-size:.95rem;
  transition:color .2s,padding-left .2s;
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:5px;
}
.footer-divider{
  border-top:1px solid rgba(255,255,255,.1);
  margin:42px 0 20px;
  opacity:1;
}
.copyright{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.copyright p{margin:0;font-size:.9rem}
.copyright .domain{
  color:var(--accent);
  font-weight:600;
  letter-spacing:1px;
}

/* 响应式 */
@media (max-width:991.98px){
  .site-header .navbar-toggler{display:none}
  .site-header .navbar-collapse{display:none !important}
  .navbar-brand{margin:0 auto}
  .page-banner{min-height:360px;padding:calc(var(--header-h) + 46px) 0 50px}
  .page-title{font-size:2rem}
  .article-section{padding:50px 0 40px;margin-top:-16px}
  .article-body{padding:28px 22px 10px}
  .article-tags{padding:18px 22px 0}
  .cta-section{padding:70px 0}
  .cta-inner h2{font-size:1.7rem}
  .site-footer p{max-width:100%}
  .mobile-tabbar{display:flex}
  body{padding-bottom:64px}
  .cta-section{margin-bottom:0}
  .site-footer{padding-bottom:16px}
}
@media (max-width:767.98px){
  :root{--space:60px}
  .page-banner{min-height:320px}
  .page-title{font-size:1.6rem}
  .page-meta{font-size:.84rem;gap:12px}
  .brand-text{font-size:1.05rem}
  .brand-mark{width:38px;height:38px;font-size:.78rem}
  .section-head h2{font-size:1.55rem}
  .news-card-img{height:170px}
  .article-meta{flex-direction:column}
}
@media (max-width:520px){
  .navbar-brand{gap:8px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .page-banner{padding-top:110px}
  .page-title{font-size:1.35rem}
  .page-category{font-size:.78rem;padding:4px 12px}
  .article-body{font-size:.96rem;line-height:1.78}
  .article-tags{gap:7px}
  .tag-item{padding:4px 12px;font-size:.78rem}
  .cta-inner p{font-size:.95rem}
  .cta-inner h2{font-size:1.45rem}
  .btn-gold,.btn-outline-gold{width:100%;justify-content:center}
  .footer-links a{font-size:.9rem}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}