/* roulang page: index */
:root{
  --brand-1:#6D28D9;
  --brand-2:#DB2777;
  --accent:#F59E0B;
  --ink:#241B2E;
  --muted:#6B6279;
  --line:#E7E1F0;
  --bg:#F7F4FB;
  --dark:#14061F;
  --white:#FFFFFF;
  --r-lg:20px;
  --r-md:16px;
  --r-pill:999px;
  --shadow:0 8px 28px rgba(109,40,217,.10);
  --shadow-hover:0 14px 36px rgba(109,40,217,.18);
  --container:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--dark);color:#EDE7F4}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(36,27,46,.05);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:76px;position:relative}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:19px;letter-spacing:-.02em;
  box-shadow:0 6px 18px rgba(109,40,217,.34);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--brand-2);text-transform:uppercase}
.nav-search{position:relative;flex:1 1 auto;max-width:720px;margin:0 auto;min-width:0}
.nav-search input{
  width:100%;height:46px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  padding:0 20px 0 46px;outline:none;
  transition:box-shadow .22s,border-color .22s;
}
.nav-search input::placeholder{color:#A79DB4}
.nav-search input:focus{
  border-color:rgba(109,40,217,.6);
  box-shadow:0 0 0 4px rgba(109,40,217,.13),0 6px 18px rgba(109,40,217,.10);
}
.nav-search .search-icon{
  position:absolute;left:17px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:#9C90AC;pointer-events:none;
}
.main-nav{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.main-nav a{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:color .2s,background .2s;
}
.main-nav a:hover{color:var(--brand-1);background:rgba(109,40,217,.08)}
.main-nav a.active{color:var(--brand-1);font-weight:600;background:rgba(109,40,217,.11)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
  cursor:pointer;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.25s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{display:none}
.mobile-panel .nav-search{margin:0;max-width:none}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--dark);
  display:flex;align-items:stretch;min-height:72vh;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(20,6,31,.30) 0%,rgba(20,6,31,.72) 60%,rgba(20,6,31,.92) 100%),
    linear-gradient(90deg,rgba(20,6,31,.96) 0%,rgba(76,20,140,.78) 34%,rgba(109,40,217,.36) 56%,rgba(219,39,119,.06) 78%,rgba(219,39,119,0) 100%);
}
.hero-inner{
  position:relative;z-index:2;width:100%;
  display:flex;flex-direction:column;justify-content:flex-end;gap:44px;
  padding-top:132px;padding-bottom:48px;
}
.hero-copy{max-width:620px;color:#fff}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);
  font-size:13px;letter-spacing:.04em;color:#F4ECFF;
}
.hero-kicker i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}
.hero h1{
  font-size:44px;font-weight:700;line-height:1.2;letter-spacing:-.01em;
  margin:20px 0 16px;text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.hero-sub{font-size:16px;line-height:1.8;color:#D9CEEA;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-foot{display:flex;justify-content:flex-end}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.hero-badge{
  display:flex;align-items:center;gap:9px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(8px);
  color:#fff;font-size:13px;line-height:1.2;
}
.hero-badge b{font-size:17px;font-weight:700;color:var(--accent);letter-spacing:-.01em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s,filter .2s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;box-shadow:0 8px 22px rgba(109,40,217,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(219,39,119,.34);filter:brightness(1.07)}
.btn-primary:active{transform:translateY(0);filter:brightness(.97)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline{border-color:var(--brand-1);color:var(--brand-1);background:transparent}
.btn-outline:hover{background:rgba(109,40,217,.08);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn:focus-visible{outline:3px solid rgba(109,40,217,.40);outline-offset:3px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:30px;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.section-head p{margin-top:8px;font-size:14px;color:var(--muted)}
.section-dark .section-head p{color:#B8A9CC}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-1);
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(109,40,217,.28);
  transition:background .2s,transform .2s;
}
.link-more:hover{background:rgba(109,40,217,.09);transform:translateX(2px)}
.link-more:focus-visible{outline:3px solid rgba(109,40,217,.35);outline-offset:2px}

/* ---------- 横滑片库 ---------- */
.rail{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 20px;margin:0 -4px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 260px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(109,40,217,.28)}
.rail-card:focus-within{outline:3px solid rgba(109,40,217,.32);outline-offset:2px}
.cover{position:relative;overflow:hidden;background:#EFEAF7}
.cover-16-9{aspect-ratio:16/9}
.cover-3-4{aspect-ratio:4/3}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rail-card:hover .cover img,.post-card:hover .cover img,.tile:hover .cover img{transform:scale(1.06)}
.badge{
  position:absolute;top:12px;right:12px;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--accent);color:#3B2200;
  font-size:12px;font-weight:700;line-height:1.6;
  box-shadow:0 4px 12px rgba(245,158,11,.35);
}
.badge.badge-purple{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 4px 14px rgba(109,40,217,.35)}
.rail-body{padding:16px 18px 18px}
.rail-body h3{font-size:17px;font-weight:600;line-height:1.45;letter-spacing:-.01em}
.rail-body h3 a:hover{color:var(--brand-1)}
.rail-body .meta{margin-top:9px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.rail-body .meta i{width:3px;height:3px;border-radius:50%;background:#C3B8D2;display:block}

/* ---------- 网格卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(109,40,217,.28)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{font-size:18px;font-weight:600;line-height:1.45;letter-spacing:-.01em}
.post-body h3 a:hover{color:var(--brand-1)}
.post-body .desc{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.tag{
  display:inline-block;padding:3px 11px;border-radius:var(--r-pill);
  background:rgba(109,40,217,.09);color:var(--brand-1);
  font-size:12px;font-weight:600;line-height:1.7;
}
.tag.tag-pink{background:rgba(219,39,119,.10);color:#BE185D}
.tag.tag-amber{background:rgba(245,158,11,.16);color:#92580A}
.arrow{font-size:14px;font-weight:600;color:var(--brand-1);display:inline-flex;align-items:center;gap:4px}
.arrow:hover{text-decoration:underline}

/* ---------- 片单分区 ---------- */
.split{display:grid;grid-template-columns:288px minmax(0,1fr);gap:32px;align-items:start}
.side-index{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);position:sticky;top:100px;
}
.side-index h3{font-size:17px;font-weight:600;letter-spacing:-.01em;margin-bottom:6px}
.side-index .side-note{font-size:13px;color:var(--muted);margin-bottom:16px}
.side-list li+li{margin-top:6px}
.side-list button{
  width:100%;text-align:left;cursor:pointer;
  padding:12px 15px;border-radius:14px;
  font-size:15px;color:var(--muted);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  transition:background .2s,color .2s;
}
.side-list button:hover{background:rgba(109,40,217,.07);color:var(--brand-1)}
.side-list button.is-active{background:linear-gradient(135deg,rgba(109,40,217,.12),rgba(219,39,119,.12));color:var(--brand-1);font-weight:600}
.side-list button span.count{font-size:12px;color:#A79DB4}
.side-list button:focus-visible{outline:3px solid rgba(109,40,217,.35);outline-offset:2px}
.panel{display:none}
.panel.is-active{display:block;animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.tile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s,box-shadow .25s;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tile-body{padding:18px 20px 20px}
.tile-body h4{font-size:16px;font-weight:600;line-height:1.5;letter-spacing:-.01em}
.tile-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}
.tile-body .tile-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}

/* ---------- 数据看板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
  background:linear-gradient(160deg,rgba(109,40,217,.10),rgba(219,39,119,.06));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--shadow);
  transition:transform .25s,box-shadow .25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-card b{display:block;font-size:34px;font-weight:700;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand-1)}
.stat-card span{display:block;margin-top:8px;font-size:14px;color:var(--ink);font-weight:600}
.stat-card em{display:block;margin-top:6px;font-style:normal;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 最新资讯 ---------- */
.news-list{display:grid;gap:16px}
.news-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(109,40,217,.28)}
.news-item h3{font-size:18px;font-weight:600;line-height:1.5;letter-spacing:-.01em}
.news-item h3 a:hover{color:var(--brand-1)}
.news-item .news-desc{
  margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item .news-meta{margin-top:12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.news-item .news-meta i{width:3px;height:3px;border-radius:50%;background:#C3B8D2;display:block}
.news-side{display:flex;flex-direction:column;align-items:flex-end;gap:12px;flex:0 0 auto}
.empty-state{
  background:#fff;border:1px dashed rgba(109,40,217,.35);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;box-shadow:var(--shadow);
}
.empty-state .empty-mark{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  background:rgba(109,40,217,.09);color:var(--brand-1);
  display:grid;place-items:center;font-size:26px;font-weight:700;
}
.empty-state p{font-size:15px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow);
  transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(109,40,217,.35);box-shadow:var(--shadow-hover)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 0;font-size:16px;font-weight:600;letter-spacing:-.01em;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:rgba(109,40,217,.10);color:var(--brand-1);
  display:grid;place-items:center;font-size:17px;font-weight:700;
  transition:transform .25s,background .25s;
}
.faq-item[open] summary::after{transform:rotate(45deg);background:rgba(219,39,119,.14);color:var(--brand-2)}
.faq-item summary:focus-visible{outline:3px solid rgba(109,40,217,.35);outline-offset:4px;border-radius:8px}
.faq-body{padding:0 0 20px;border-top:1px solid var(--line);padding-top:16px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:28px;
  background:linear-gradient(120deg,#4C148C 0%,var(--brand-1) 42%,var(--brand-2) 100%);
  color:#fff;text-align:center;
  padding:76px 32px;min-height:320px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;
  box-shadow:0 24px 56px rgba(109,40,217,.28);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.30;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  mix-blend-mode:overlay;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:30px;font-weight:600;letter-spacing:-.01em}
.cta-band p{max-width:620px;font-size:15px;color:#F1E6FF;line-height:1.85}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C9BFD6;padding-top:72px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li+li{margin-top:11px}
.footer-col a{font-size:14px;color:#C9BFD6;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-col a:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:4px}
.footer-brand p{font-size:14px;line-height:1.85;color:#A99BBF;margin-top:16px;max-width:340px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:#F472B6}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-pills span{
  font-size:12px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#CFC4DD;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8F83A3;
}

/* ---------- 状态 ---------- */
.skeleton{background:linear-gradient(90deg,#EFEAF7 25%,#E4DCF1 37%,#EFEAF7 63%);background-size:400% 100%;animation:shimmer 1.4s infinite}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:36px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .nav-wrap .nav-search,.nav-wrap .main-nav{display:none}
  .nav-toggle{display:flex}
  .mobile-panel{display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 36px rgba(36,27,46,.14);
    padding:18px 24px 22px;z-index:90}
  body.nav-open .mobile-panel{display:block}
  .mobile-panel .main-nav{display:flex;flex-direction:column;align-items:stretch;gap:4px;margin-top:14px}
  .mobile-panel .main-nav a{padding:12px 14px;font-size:15px;border-radius:12px;background:rgba(109,40,217,.05)}
  .mobile-panel .main-nav a.active{background:rgba(109,40,217,.13)}
  .split{grid-template-columns:1fr}
  .side-index{position:static}
  .hero-inner{padding-top:110px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-wrap{height:68px;gap:14px}
  .logo-text strong{font-size:15px}
  .hero{min-height:auto}
  .hero-inner{padding-top:96px;padding-bottom:36px;gap:28px}
  .hero h1{font-size:26px;margin:16px 0 12px}
  .hero-sub{font-size:15px}
  .hero-foot{justify-content:flex-start}
  .hero-badges{justify-content:flex-start}
  .grid-3,.grid-2,.tile-grid,.stat-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:24px}
  .section-head h2{font-size:22px}
  .rail-card{flex:0 0 78vw}
  .news-item{grid-template-columns:1fr;gap:16px}
  .news-side{align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:52px 20px;border-radius:22px}
  .cta-band h2{font-size:22px}
  .stat-card b{font-size:28px}
}
@media (max-width:520px){
  .btn{width:100%;padding:0 20px}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn{width:100%}
  .logo-text em{letter-spacing:.10em}
}

/* roulang page: article */
:root{
  --brand-1:#6D28D9;
  --brand-2:#DB2777;
  --brand-grad:linear-gradient(120deg,#6D28D9 0%,#DB2777 100%);
  --accent:#F59E0B;
  --ink:#241B2E;
  --muted:#6B6279;
  --bg:#F7F4FB;
  --deep:#14061F;
  --line:#E7E1F0;
  --card:#FFFFFF;
  --radius-card:20px;
  --radius-pill:999px;
  --shadow-1:0 8px 28px rgba(109,40,217,.10);
  --shadow-2:0 14px 36px rgba(109,40,217,.18);
  --gap:24px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-2);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.3;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(109,40,217,.55);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(20,6,31,.05);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:74px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;
  box-shadow:0 6px 18px rgba(219,39,119,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.02em;}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;}
.search-bar{
  position:relative;flex:1 1 auto;max-width:720px;margin:0 auto;
}
.search-bar .search-ico{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:#9C92AA;pointer-events:none;
}
.search-bar input{
  width:100%;height:48px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;
  padding:0 130px 0 46px;font-size:15px;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.search-bar input::placeholder{color:#A79DB4;}
.search-bar input:focus{
  outline:none;border-color:transparent;
  box-shadow:0 0 0 2px rgba(109,40,217,.45),0 8px 24px rgba(109,40,217,.14);
}
.search-bar .search-btn{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  height:38px;padding:0 22px;border:none;border-radius:var(--radius-pill);
  background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600;
  transition:filter .2s ease,transform .2s ease;
}
.search-bar .search-btn:hover{filter:brightness(1.08);transform:translateY(calc(-50% - 2px));}
.search-bar .search-btn:active{transform:translateY(-50%);}
.main-nav{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.main-nav a{
  position:relative;font-size:15px;color:#4A3F55;padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-1);font-weight:600;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:14px;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;color:#fff;padding:54px 0 108px;
  background-image:
    linear-gradient(120deg,rgba(20,6,31,.92) 0%,rgba(109,40,217,.72) 55%,rgba(219,39,119,.55) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.5;}
.breadcrumb em{font-style:normal;color:#fff;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:44px;font-weight:700;max-width:900px;
  color:#fff;margin-bottom:20px;
}
.article-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.82);
}
.article-meta .divider{width:1px;height:14px;background:rgba(255,255,255,.35);}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 14px;border-radius:var(--radius-pill);
  background:rgba(245,158,11,.9);color:#2A1A02;font-size:12.5px;font-weight:600;
}

/* ---------- article main ---------- */
.article-main{margin-top:-64px;position:relative;z-index:2;padding-bottom:var(--sec);}
.article-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:24px;box-shadow:var(--shadow-1);
  padding:52px 56px 56px;
}
.article-content{
  max-width:760px;margin:0 auto;
  font-size:16.5px;line-height:1.85;color:#2C2337;
}
.article-content p{margin:0 0 1.4em;}
.article-content h2{
  position:relative;font-size:24px;font-weight:600;color:var(--ink);
  margin:2.1em 0 .8em;padding-left:18px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;
  border-radius:4px;background:var(--brand-grad);
}
.article-content h3{
  position:relative;font-size:19px;font-weight:600;color:var(--ink);
  margin:1.7em 0 .6em;padding-left:14px;
}
.article-content h3::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  border-radius:4px;background:var(--accent);
}
.article-content h2:first-child,.article-content h3:first-child{margin-top:0;}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:1.3em;list-style:revert;}
.article-content li{margin-bottom:.55em;}
.article-content img{border-radius:14px;margin:1.6em auto;box-shadow:var(--shadow-1);}
.article-content blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:4px solid var(--brand-2);
  background:#FBF8FF;border-radius:0 14px 14px 0;
  color:#4A3F55;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content a{border-bottom:1px solid rgba(109,40,217,.35);}
.article-content code{
  background:#F4F0FA;border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;
}
.article-content pre{
  background:#F6F3FB;border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;overflow-x:auto;margin:1.6em 0;
}
.article-content pre code{background:none;border:none;padding:0;}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.article-content th,.article-content td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;
}
.article-content th{background:#F8F5FD;font-weight:600;}
.article-content hr{border:none;height:1px;background:var(--line);margin:2.4em 0;}
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;padding:56px 20px;
  background:#FBF9FE;border:1px dashed var(--line);border-radius:20px;
}
.empty-state .empty-ico{
  width:66px;height:66px;margin:0 auto 18px;border-radius:50%;
  background:var(--brand-grad);color:#fff;font-size:26px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(219,39,119,.24);}
.btn-primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--brand-1);color:var(--brand-1);}
.btn-ghost:hover{background:rgba(109,40,217,.08);color:var(--brand-1);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:38px;
}
.section-head h2{font-size:30px;font-weight:600;}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px;}
.section-head .more{font-size:14.5px;font-weight:600;color:var(--brand-1);white-space:nowrap;}

/* ---------- related ---------- */
.related{margin-top:56px;padding-top:44px;border-top:1px solid var(--line);}
.related h2{font-size:22px;margin-bottom:22px;}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);}
.related-card{
  display:flex;gap:16px;padding:16px;background:#FBF9FE;
  border:1px solid var(--line);border-radius:18px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.related-card img{width:120px;height:84px;object-fit:cover;border-radius:12px;flex:0 0 auto;}
.related-card h3{font-size:16.5px;margin-bottom:6px;}
.related-card p{font-size:13.5px;color:var(--muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.back-row{margin-top:34px;display:flex;justify-content:center;}

/* ---------- grid cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFEAF7;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.badge{
  position:absolute;top:12px;right:12px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(245,158,11,.95);color:#2A1A02;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;font-weight:600;}
.card-body p{font-size:14px;color:var(--muted);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#8C82A0;padding-top:4px;
}
.card-foot .arrow{color:var(--brand-1);font-weight:700;transition:transform .2s ease;}
.card:hover .card-foot .arrow{transform:translateX(4px);}
.chip{
  display:inline-flex;align-items:center;padding:3px 12px;border-radius:var(--radius-pill);
  background:rgba(109,40,217,.09);color:var(--brand-1);font-size:12.5px;font-weight:600;
}

/* ---------- faq ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:0 22px;box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform .25s ease,background-color .25s ease;
}
.faq-item[open] summary .plus{transform:rotate(180deg);background:rgba(109,40,217,.1);}
.faq-item .faq-body{
  border-top:1px solid var(--line);padding:16px 0 20px;
  font-size:15px;color:#4A3F55;line-height:1.8;
}

/* ---------- cta ---------- */
.cta-band{
  background-image:
    linear-gradient(120deg,rgba(20,6,31,.94) 0%,rgba(109,40,217,.86) 52%,rgba(219,39,119,.82) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border-radius:28px;color:#fff;text-align:center;
  padding:74px 36px;box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:640px;margin:0 auto 28px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#C9BFD6;padding:72px 0 26px;margin-top:20px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:44px;
}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{color:#C9BFD6;font-size:14px;}
.footer-col ul a:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:#B4A8C4;margin:16px 0 18px;max-width:340px;}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text em{color:#A896C0;}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;}
.footer-pills span{
  padding:4px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.16);font-size:12.5px;color:#C9BFD6;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8E82A3;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .header-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;row-gap:12px;}
  .search-bar{order:3;max-width:100%;margin:0;flex:1 1 100%;}
  .main-nav{margin-left:auto;}
  .article-hero h1{font-size:34px;}
  .section-head h2{font-size:26px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:992px){
  :root{--sec:72px;}
  .nav-toggle{display:flex;margin-left:auto;}
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:flex-start;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 24px 18px;box-shadow:0 14px 30px rgba(20,6,31,.12);
  }
  .main-nav.open{display:flex;}
  .main-nav a{width:100%;padding:12px 0;border-bottom:1px solid var(--line);}
  .main-nav a:last-child{border-bottom:none;}
  .main-nav a::after{display:none;}
  .article-card{padding:36px 28px 40px;}
  .article-hero{padding:40px 0 96px;}
  .article-hero h1{font-size:30px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:56px 24px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .article-hero h1{font-size:26px;}
  .article-content{font-size:16px;}
  .article-content h2{font-size:21px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .search-bar input{padding-right:110px;font-size:14px;}
  .search-bar .search-btn{padding:0 16px;}
  .logo-text strong{font-size:15px;}
}
@media (max-width:520px){
  :root{--sec:56px;}
  .header-inner{gap:12px;}
  .article-card{padding:24px 18px 30px;}
  .related-card{flex-direction:column;}
  .related-card img{width:100%;height:150px;}
  .cta-band h2{font-size:22px;}
  .btn{height:46px;padding:0 22px;font-size:14.5px;}
  .article-meta{font-size:12.5px;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category1 */
:root{
  --brand-1:#6D28D9;
  --brand-2:#DB2777;
  --brand-grad:linear-gradient(120deg,#6D28D9 0%,#DB2777 100%);
  --accent:#F59E0B;
  --dark:#14061F;
  --bg:#F7F4FB;
  --surface:#FFFFFF;
  --text:#241B2E;
  --muted:#6B6279;
  --border:#E7E1F0;
  --radius-card:20px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-sm:0 8px 28px rgba(109,40,217,.10);
  --shadow-lg:0 14px 36px rgba(109,40,217,.18);
  --container:1240px;
  --space-1:8px;
  --space-2:12px;
  --space-3:16px;
  --space-4:24px;
  --space-5:32px;
  --space-6:48px;
  --space-7:64px;
  --space-8:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:3px solid rgba(109,40,217,.55);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--space-8) 0;}
.section-tight{padding:var(--space-7) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--space-4);
  margin-bottom:var(--space-5);
}
.section-head h2{
  font-size:30px;
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.3;
}
.section-head p{
  color:var(--muted);
  font-size:14px;
  margin-top:6px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--brand-1);
  background:rgba(109,40,217,.08);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-grad);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:var(--shadow-lg);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--brand-1);
  border:1px solid rgba(109,40,217,.45);
}
.btn-ghost:hover{
  background:rgba(109,40,217,.08);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 14px rgba(36,27,46,.04);
}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(280px,720px) auto;
  align-items:center;
  gap:var(--space-4);
  min-height:76px;
  padding-top:10px;
  padding-bottom:10px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:14px;
  background:var(--brand-grad);
  color:#fff;
  font-size:20px;
  font-weight:700;
  box-shadow:var(--shadow-sm);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.logo-text em{
  font-style:normal;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--brand-1);
  text-transform:uppercase;
}
.header-search{width:100%;}
.search-form{
  position:relative;
  display:flex;
  align-items:center;
  height:48px;
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--border);
  padding:0 4px 0 44px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-form:hover{border-color:rgba(109,40,217,.35);}
.search-form:focus-within{
  border-color:transparent;
  box-shadow:0 0 0 2px rgba(109,40,217,.35);
}
.search-form svg{
  position:absolute;
  left:16px;
  width:18px;height:18px;
  color:var(--muted);
}
.search-form input{
  flex:1;
  min-width:0;
  height:100%;
  border:none;
  outline:none;
  background:transparent;
  font-size:15px;
}
.search-form input::placeholder{color:#A79FB4;}
.search-form button{
  height:38px;
  padding:0 20px;
  border-radius:var(--radius-pill);
  background:var(--brand-grad);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.search-form button:hover{filter:brightness(1.1);}
.search-form button:active{transform:scale(.97);}
.header-right{
  display:flex;
  align-items:center;
  gap:var(--space-4);
  justify-content:flex-end;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:20px;
}
.main-nav a{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--text);
  padding:6px 0;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s var(--ease);
}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-1);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}
.header-icons{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--border);
  background:#fff;
  color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(109,40,217,.4);background:rgba(109,40,217,.06);}
.icon-btn svg{width:18px;height:18px;}
.menu-toggle{display:none;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--border);
  background:#fff;
  padding:16px 0 22px;
}
.mobile-panel.open{display:block;}
.mobile-panel .search-form{margin-bottom:16px;}
.mobile-nav{display:flex;flex-direction:column;gap:2px;}
.mobile-nav a{
  padding:12px 4px;
  font-size:15px;
  border-bottom:1px solid var(--border);
  color:var(--text);
}
.mobile-nav a.active{color:var(--brand-1);font-weight:600;}
.mobile-nav a:last-child{border-bottom:none;}

/* ===== Category Hero ===== */
.category-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(20,6,31,.92) 0%,rgba(109,40,217,.68) 52%,rgba(219,39,119,.28) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.category-hero::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:56px 0;
  max-width:720px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:16px;
}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.dot{opacity:.5;}
.category-hero h1{
  font-size:40px;
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.22;
  margin-bottom:14px;
}
.category-hero h1 .h1-brand{
  display:block;
  font-size:17px;
  font-weight:500;
  letter-spacing:.06em;
  color:rgba(255,255,255,.78);
  margin-top:10px;
}
.hero-sub{
  font-size:16px;
  color:rgba(255,255,255,.86);
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.category-hero .btn-ghost{
  color:#fff;
  border-color:rgba(255,255,255,.55);
}
.category-hero .btn-ghost:hover{background:rgba(255,255,255,.14);}

/* ===== Layout with side index ===== */
.main-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.side-index{
  position:sticky;
  top:104px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-sm);
}
.side-index h3{
  font-size:15px;
  font-weight:600;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-index h3::before{
  content:"";
  width:4px;height:16px;
  border-radius:2px;
  background:var(--brand-grad);
}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 12px;
  border-radius:12px;
  font-size:14px;
  color:var(--muted);
  transition:background-color .2s var(--ease),color .2s var(--ease),padding-left .2s var(--ease);
}
.side-nav a:hover,
.side-nav a.active{
  background:rgba(109,40,217,.08);
  color:var(--brand-1);
  padding-left:16px;
}
.side-nav a svg{width:14px;height:14px;opacity:.6;}
.side-note{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
}
.side-note strong{color:var(--text);display:block;font-size:14px;margin-bottom:6px;}

/* ===== Cards ===== */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--space-4);
}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(109,40,217,.28);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EFEAF6;
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04);}
.card-badge{
  position:absolute;
  top:14px;right:14px;
  background:var(--accent);
  color:#3A2408;
  font-size:12px;
  font-weight:700;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  letter-spacing:.02em;
}
.card-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.card-body p{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  padding-top:12px;
  border-top:1px solid var(--border);
}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  color:var(--brand-1);
  background:rgba(109,40,217,.08);
  border-radius:var(--radius-pill);
  padding:4px 12px;
}
.card-link{
  margin-left:auto;
  color:var(--brand-1);
  font-weight:600;
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-link svg{width:14px;height:14px;transition:transform .24s var(--ease);}
.card-link:hover svg{transform:translateX(4px);}

/* ===== Stats strip ===== */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--space-3);
  background:linear-gradient(120deg,rgba(109,40,217,.06),rgba(219,39,119,.06));
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:28px;
}
.stat{text-align:center;}
.stat strong{
  display:block;
  font-size:30px;
  font-weight:700;
  letter-spacing:-.01em;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat span{font-size:13px;color:var(--muted);}

/* ===== Highlight list ===== */
.highlight-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--space-4);
}
.mini-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.mini-icon{
  width:46px;height:46px;
  border-radius:14px;
  display:grid;place-items:center;
  background:rgba(219,39,119,.1);
  color:var(--brand-2);
  font-weight:700;
}
.mini-card h3{font-size:17px;font-weight:600;}
.mini-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.mini-card ul{display:flex;flex-direction:column;gap:8px;margin-top:4px;}
.mini-card li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--muted);
}
.mini-card li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand-grad);
}

/* ===== Steps ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--space-4);
}
.step{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:26px;
  position:relative;
}
.step-num{
  display:inline-grid;
  place-items:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  font-weight:700;
  font-size:15px;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.faq-item:hover{border-color:rgba(109,40,217,.3);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(109,40,217,.1);
  color:var(--brand-1);
  font-size:16px;
  line-height:1;
  transition:transform .3s var(--ease),background-color .3s var(--ease);
}
.faq-item[open] .faq-icon{
  transform:rotate(180deg);
  background:var(--brand-grad);
  color:#fff;
}
.faq-answer{
  padding:0 22px 20px;
  border-top:1px solid var(--border);
  margin-top:-2px;
  padding-top:16px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.85;
}

/* ===== CTA ===== */
.cta-band{
  background:var(--brand-grad);
  border-radius:28px;
  padding:64px 32px;
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::before,
.cta-band::after{
  content:"";
  position:absolute;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
}
.cta-band::before{width:280px;height:280px;left:-90px;bottom:-120px;}
.cta-band::after{width:200px;height:200px;right:-60px;top:-90px;}
.cta-band h2{
  font-size:32px;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:12px;
  position:relative;
  z-index:2;
}
.cta-band p{
  font-size:15px;
  color:rgba(255,255,255,.9);
  max-width:620px;
  margin:0 auto 28px;
  position:relative;
  z-index:2;
}
.cta-band .btn{
  background:#fff;
  color:var(--brand-1);
  position:relative;
  z-index:2;
}
.cta-band .btn:hover{background:#F6F1FF;}

/* ===== Footer ===== */
.site-footer{
  background:var(--dark);
  color:#C9BFD6;
  margin-top:var(--space-8);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:#C9A6F5;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A99CB8;max-width:340px;}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-pills span{
  font-size:12px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.14);
  color:#C9BFD6;
}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:#A99CB8;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#8E819C;
}

/* ===== Responsive ===== */
@media (max-width:1200px){
  .header-inner{grid-template-columns:auto minmax(220px,1fr) auto;gap:16px;}
  .main-nav{gap:14px;}
  .main-nav a{font-size:13px;}
  .main-layout{grid-template-columns:230px minmax(0,1fr);gap:28px;}
  .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .menu-toggle{display:grid;}
  .header-icons .icon-btn:not(.menu-toggle){display:none;}
  .header-inner{grid-template-columns:auto 1fr auto;}
  .header-search{display:none;}
  .section{padding:64px 0;}
  .section-head h2{font-size:24px;}
  .category-hero h1{font-size:32px;}
  .highlight-list,.steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .main-layout{grid-template-columns:1fr;}
  .side-index{position:static;}
  .side-nav{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .side-nav a{
    padding:9px 14px;
    border:1px solid var(--border);
    border-radius:var(--radius-pill);
  }
  .side-nav a:hover,.side-nav a.active{padding-left:14px;}
  .side-nav a svg{display:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .category-hero{min-height:260px;}
  .hero-inner{padding:44px 0;}
  .category-hero h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .card-grid{grid-template-columns:1fr;}
  .highlight-list,.steps{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-band{padding:48px 22px;border-radius:22px;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr));padding:22px;}
  .stat strong{font-size:24px;}
}
@media (max-width:520px){
  .logo-text strong{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats-strip{grid-template-columns:1fr;}
  .card-body{padding:16px;}
  .card-body h3{font-size:17px;}
  .faq-item summary{font-size:15px;padding:16px 18px;}
  .faq-answer{padding:14px 18px 18px;}
}

/* roulang page: category2 */
:root{
  --brand-1:#6D28D9;
  --brand-2:#DB2777;
  --brand-grad:linear-gradient(100deg,#6D28D9 0%,#DB2777 100%);
  --brand-soft:rgba(109,40,217,.08);
  --accent:#F59E0B;
  --ink:#241B2E;
  --ink-2:#6B6279;
  --bg:#F7F4FB;
  --card:#FFFFFF;
  --line:#E7E1F0;
  --deep:#14061F;
  --deep-2:#22103A;
  --radius-card:20px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 8px 28px rgba(109,40,217,.10);
  --shadow-hover:0 14px 36px rgba(109,40,217,.18);
  --container:1240px;
  --gap:24px;
  --sec-space:96px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-2);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:44px;line-height:1.22;font-weight:700;letter-spacing:-.01em;}
h2{font-size:30px;line-height:1.3;font-weight:600;letter-spacing:-.01em;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{color:var(--ink-2);}
:focus-visible{outline:3px solid rgba(109,40,217,.55);outline-offset:3px;border-radius:6px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(36,27,46,.05);
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:12px 24px;
  display:flex;
  align-items:center;
  gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background:var(--brand-grad);
  color:#fff;font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-2);font-weight:600;}

.nav-search{
  flex:1 1 auto;
  max-width:720px;
  margin:0 auto;
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search .search-icon{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--brand-1);font-size:14px;pointer-events:none;
}
.nav-search input{
  width:100%;height:48px;
  padding:0 130px 0 44px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:#fff;
  color:var(--ink);
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:#9A93A6;}
.nav-search input:focus{border-color:rgba(109,40,217,.6);box-shadow:0 0 0 4px rgba(109,40,217,.12);}
.nav-search .search-btn{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  height:38px;padding:0 20px;
  border-radius:var(--radius-pill);
  background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600;
  transition:filter .2s ease,transform .2s ease;
}
.nav-search .search-btn:hover{filter:brightness(1.08);transform:translateY(-50%) translateY(-2px);}
.nav-search .search-btn:active{transform:translateY(-50%);}

.main-nav{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.main-nav a{
  position:relative;
  padding:9px 12px;
  font-size:14.5px;
  color:var(--ink-2);
  font-weight:500;
  border-radius:10px;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-1);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}

.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand-1);
  font-size:17px;
}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 24px 22px;
}
.mobile-panel.open{display:block;}
.mobile-panel .mobile-search{position:relative;display:flex;margin-bottom:14px;}
.mobile-panel .mobile-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--brand-1);font-size:14px;}
.mobile-panel .mobile-search input{
  width:100%;height:46px;padding:0 16px 0 42px;
  border:1px solid var(--line);border-radius:var(--radius-pill);outline:none;background:#FBF9FE;
}
.mobile-panel .mobile-nav{display:flex;flex-direction:column;gap:4px;}
.mobile-panel .mobile-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--ink-2);font-weight:500;
}
.mobile-panel .mobile-nav a.active,
.mobile-panel .mobile-nav a:hover{background:var(--brand-soft);color:var(--brand-1);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:flex-end;
  background-image:
    linear-gradient(100deg,rgba(20,6,31,.92) 0%,rgba(20,6,31,.72) 42%,rgba(109,40,217,.28) 78%,rgba(219,39,119,.18) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(to top,rgba(20,6,31,.55),transparent);
}
.hero-inner{
  position:relative;z-index:2;
  width:100%;max-width:var(--container);
  margin:0 auto;
  padding:56px 24px 40px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);
  margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-size:10px;opacity:.6;}
.hero h1{color:#fff;max-width:760px;}
.hero h1 .hl{
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:14px;
  max-width:640px;
  color:rgba(255,255,255,.82);
  font-size:16px;
}
.hero-meta{
  margin-top:22px;
  display:flex;flex-wrap:wrap;gap:10px;
}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;
  border-radius:var(--radius-pill);
  font-size:13px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
  backdrop-filter:blur(4px);
}
.pill i{color:var(--accent);}

/* ---------- Sections ---------- */
.section{padding:var(--sec-space) 0;}
.section.tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:36px;
}
.section-head .head-text{max-width:720px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-2);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-kicker::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-grad);
}
.section-head p{margin-top:12px;font-size:15.5px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--brand-1);
  white-space:nowrap;
}
.text-link i{transition:transform .22s ease;}
.text-link:hover i{transform:translateX(4px);}

/* Feature split */
.feature-split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.feature-media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:linear-gradient(180deg,#EFEAF7,#E3DAF2);
}
.feature-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.feature-media .float-card{
  position:absolute;left:20px;bottom:20px;right:20px;
  background:rgba(255,255,255,.94);
  border-radius:16px;
  padding:14px 18px;
  display:flex;align-items:center;gap:16px;
  box-shadow:0 10px 26px rgba(36,27,46,.16);
}
.float-card .fc-num{
  font-size:26px;font-weight:700;color:var(--brand-1);line-height:1;
}
.float-card .fc-label{font-size:13px;color:var(--ink-2);line-height:1.45;}
.feature-body h2{margin-bottom:16px;}
.feature-body p{font-size:15.5px;}
.check-list{margin:24px 0 28px;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink);}
.check-list i{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-1);
  font-size:11px;display:flex;align-items:center;justify-content:center;margin-top:4px;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{
  background:var(--brand-grad);color:#fff;
  box-shadow:0 8px 22px rgba(219,39,119,.26);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 30px rgba(219,39,119,.32);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--brand-1);
  border:1px solid rgba(109,40,217,.55);
}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);color:var(--brand-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}

/* Metric grid */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);}
.metric-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(109,40,217,.28);}
.metric-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.metric-icon{
  width:44px;height:44px;border-radius:14px;
  background:var(--brand-soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(245,158,11,.14);color:#8A5A00;
}
.metric-value{
  font-size:32px;font-weight:700;color:var(--ink);line-height:1.1;letter-spacing:-.02em;
}
.metric-value span{font-size:15px;font-weight:500;color:var(--ink-2);margin-left:4px;}
.metric-card h3{margin:10px 0 8px;font-size:17px;}
.metric-card p{font-size:14px;line-height:1.65;}
.bar{
  height:7px;border-radius:999px;background:#EFEAF7;overflow:hidden;margin-top:16px;
}
.bar i{display:block;height:100%;border-radius:999px;background:var(--brand-grad);}

/* Dimension rows */
.dim-row{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);
  margin-bottom:var(--gap);
}
.dim-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.dim-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.dim-card .dim-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.dim-card .tag{
  align-self:flex-start;
  font-size:12.5px;font-weight:600;color:var(--brand-1);
  background:var(--brand-soft);padding:5px 12px;border-radius:var(--radius-pill);
}
.dim-card p{font-size:14.5px;}
.dim-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--ink-2);
}
.dim-foot strong{color:var(--accent);font-size:16px;}

/* Ranking list */
.rank-wrap{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:var(--gap);
  align-items:start;
}
.rank-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:8px 8px 4px;box-shadow:var(--shadow);
}
.rank-item{
  display:flex;align-items:center;gap:16px;
  padding:16px;
  border-radius:16px;
  transition:background .2s ease;
}
.rank-item:hover{background:#FAF7FE;}
.rank-item + .rank-item{border-top:1px solid var(--line);}
.rank-no{
  flex:0 0 32px;width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--brand-1);background:var(--brand-soft);
}
.rank-item:nth-child(1) .rank-no{background:var(--brand-grad);color:#fff;}
.rank-main{flex:1 1 auto;min-width:0;}
.rank-main h3{font-size:16px;margin-bottom:4px;}
.rank-main p{font-size:13.5px;line-height:1.55;}
.rank-score{
  flex:0 0 auto;text-align:right;
  font-size:18px;font-weight:700;color:var(--ink);
}
.rank-score small{display:block;font-size:12px;font-weight:500;color:var(--ink-2);margin-top:2px;}
.side-panel{
  background:linear-gradient(160deg,var(--deep) 0%,var(--deep-2) 100%);
  border-radius:var(--radius-card);
  padding:28px;
  color:#fff;
  box-shadow:var(--shadow);
}
.side-panel h3{color:#fff;font-size:19px;margin-bottom:10px;}
.side-panel p{color:rgba(255,255,255,.72);font-size:14.5px;}
.side-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:14px;}
.side-list li{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-size:14px;color:rgba(255,255,255,.86);
  padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.1);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list b{color:var(--accent);font-size:15px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:0 22px;
  box-shadow:var(--shadow);
  transition:border-color .22s ease;
}
.faq-item[open]{border-color:rgba(109,40,217,.35);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .26s ease,background .26s ease,color .26s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(180deg);background:var(--brand-grad);color:#fff;}
.faq-answer{
  padding:0 0 20px;
  border-top:1px solid var(--line);
  padding-top:16px;
  font-size:14.8px;color:var(--ink-2);line-height:1.8;
}

/* CTA */
.cta-band{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  padding:64px 40px;
  text-align:center;
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(109,40,217,.94) 0%,rgba(219,39,119,.86) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  box-shadow:0 18px 44px rgba(109,40,217,.24);
}
.cta-band h2{color:#fff;max-width:720px;margin:0 auto 14px;}
.cta-band p{color:rgba(255,255,255,.85);max-width:620px;margin:0 auto 28px;font-size:15.5px;}
.cta-band .btn-row{justify-content:center;}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.7);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* Footer */
.site-footer{background:var(--deep);color:#C9BFD6;padding:72px 0 0;margin-top:var(--sec-space);}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-col h3{
  font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:14px;color:#C9BFD6;}
.footer-col ul a:hover{color:#fff;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:#F0A6C8;}
.footer-brand p{color:#A99BBE;font-size:14px;line-height:1.75;max-width:360px;}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-pills span{
  font-size:12.5px;padding:5px 13px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.07);color:#D6C9E4;border:1px solid rgba(255,255,255,.1);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#8E80A3;
}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .header-inner{padding:12px 20px;}
  .main-nav a{padding:9px 9px;font-size:14px;}
}
@media (max-width:1024px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  .section{padding:64px 0;}
  .nav-search{max-width:420px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-split{grid-template-columns:1fr;gap:32px;}
  .rank-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .header-inner{gap:12px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .header-inner{padding:10px 16px;}
  .mobile-panel{padding:14px 16px 20px;}
  h1{font-size:28px;}
  .hero{min-height:260px;}
  .hero-inner{padding:40px 16px 32px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .dim-row{grid-template-columns:1fr;}
  .cta-band{padding:44px 22px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr;gap:8px;padding-bottom:28px;}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:6px;}
  .footer-col h3{
    display:flex;align-items:center;justify-content:space-between;
    cursor:pointer;padding:14px 0;margin-bottom:0;
  }
  .footer-col h3::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:#8E80A3;transition:transform .24s ease;}
  .footer-col.open h3::after{transform:rotate(180deg);}
  .footer-col ul{display:none;padding-bottom:14px;}
  .footer-col.open ul{display:flex;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  h1{font-size:26px;}
  h2{font-size:21px;}
  .logo-text strong{font-size:14.5px;}
  .logo-text em{font-size:10px;letter-spacing:.12em;}
  .logo-mark{width:38px;height:38px;flex:0 0 38px;font-size:18px;border-radius:12px;}
  .hero-sub{font-size:14.5px;}
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
  .metric-value{font-size:26px;}
  .cta-band h2{font-size:21px;}
  .rank-item{padding:14px 8px;gap:12px;}
}

/* roulang page: category3 */
:root{
  --brand-1:#6D28D9;
  --brand-2:#DB2777;
  --accent:#F59E0B;
  --ink:#14061F;
  --bg:#F7F4FB;
  --text:#241B2E;
  --muted:#6B6279;
  --line:#E7E1F0;
  --card:#FFFFFF;
  --grad:linear-gradient(135deg,#6D28D9 0%,#DB2777 100%);
  --grad-soft:linear-gradient(135deg,rgba(109,40,217,.10),rgba(219,39,119,.10));
  --shadow:0 8px 28px rgba(109,40,217,.10);
  --shadow-hover:0 14px 36px rgba(109,40,217,.18);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid rgba(109,40,217,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(36,27,46,.05);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:19px;
  box-shadow:0 6px 18px rgba(109,40,217,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.10em;color:var(--brand-2);text-transform:uppercase;font-weight:600}
.nav-search{
  flex:1 1 220px;max-width:400px;position:relative;display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);
  padding:0 6px 0 16px;height:44px;transition:border-color .25s,box-shadow .25s;
}
.nav-search:focus-within{border-color:transparent;box-shadow:0 0 0 2px rgba(219,39,119,.35),0 6px 20px rgba(109,40,217,.14)}
.nav-search i{color:var(--muted);font-size:14px;margin-right:10px}
.nav-search input{flex:1;border:0;background:transparent;height:100%;font-size:14px;min-width:0}
.nav-search input::placeholder{color:#A79FB4}
.nav-search button{
  flex:none;height:34px;padding:0 18px;border-radius:var(--pill);
  background:var(--grad);color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;
  transition:filter .22s,transform .22s;
}
.nav-search button:hover{filter:brightness(1.08)}
.nav-search button:active{transform:translateY(1px)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav a{
  position:relative;padding:8px 12px;font-size:13.5px;color:var(--muted);font-weight:500;
  border-radius:10px;transition:color .22s,background .22s;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:center;transition:transform .28s ease;
}
.main-nav a:hover{color:var(--brand-1)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand-1);font-weight:700;background:rgba(109,40,217,.07)}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:var(--pill);display:grid;place-items:center;
  color:var(--muted);border:1px solid transparent;transition:all .22s;
}
.icon-btn:hover{color:var(--brand-1);background:rgba(109,40,217,.08);border-color:var(--line)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);color:var(--brand-1);font-size:18px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff}
.nav-toggle:hover{background:rgba(109,40,217,.08)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px}
.mobile-panel.open{display:block}
.mobile-panel .nav-search{max-width:none;margin-bottom:14px;height:46px}
.mobile-panel nav{display:grid;gap:6px}
.mobile-panel nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--muted);border:1px solid var(--line)}
.mobile-panel nav a.active{color:#fff;background:var(--grad);border-color:transparent;font-weight:600}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .22s,box-shadow .22s,filter .22s,background .22s,color .22s;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,40,217,.26)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 34px rgba(219,39,119,.30)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(109,40,217,.24)}
.btn-ghost{background:transparent;color:var(--brand-1);border-color:rgba(109,40,217,.55)}
.btn-ghost:hover{background:rgba(109,40,217,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;min-height:300px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(20,6,31,.92) 0%,rgba(20,6,31,.62) 45%,rgba(20,6,31,.28) 100%),
    linear-gradient(135deg,rgba(109,40,217,.55),rgba(219,39,119,.32)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,rgba(247,244,251,0),rgba(247,244,251,.96));
}
.hero-inner{position:relative;z-index:2;padding:54px 24px;max-width:1240px;margin:0 auto;width:100%}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.5}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--pill);
  background:rgba(245,158,11,.18);border:1px solid rgba(245,158,11,.5);color:#FCD34D;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:14px;
}
.cat-hero h1{font-size:40px;line-height:1.22;font-weight:700;letter-spacing:-.01em;max-width:760px}
.cat-hero p.lead{margin-top:12px;font-size:16px;color:rgba(255,255,255,.84);max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta span{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:rgba(255,255,255,.9);
}
.hero-meta i{color:var(--accent)}

/* ---------- sections ---------- */
main{display:block}
.section{padding:var(--sec) 0}
.section.tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.14em;color:var(--brand-2);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
.section-head.center .eyebrow::after{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
.section-head h2{font-size:30px;line-height:1.3;font-weight:600;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}

/* ---------- cards ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(109,40,217,.28)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE7F6}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.05)}
.badge{
  position:absolute;top:12px;right:12px;height:26px;padding:0 12px;border-radius:var(--pill);
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;
  background:var(--accent);color:#3B2503;box-shadow:0 4px 12px rgba(245,158,11,.35);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--pill);
  font-size:12.5px;color:var(--brand-1);background:rgba(109,40,217,.08);
  border:1px solid rgba(109,40,217,.16);
}
.chip.warm{color:#92400E;background:rgba(245,158,11,.14);border-color:rgba(245,158,11,.32)}

/* ---------- timeline ---------- */
.timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:26px;padding:48px 40px;box-shadow:var(--shadow)}
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:23px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(109,40,217,.65),rgba(219,39,119,.55),rgba(245,158,11,.45));
}
.tl-item{position:relative;display:flex;gap:24px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:relative;z-index:2;flex:none;width:48px;height:48px;border-radius:var(--pill);
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:17px;box-shadow:0 8px 20px rgba(109,40,217,.28);
}
.tl-card{
  flex:1;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 24px;transition:transform .26s,box-shadow .26s,border-color .26s;
}
.tl-card:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:rgba(109,40,217,.26)}
.tl-card h3{font-size:18px;font-weight:600;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tl-card h3 small{font-size:12.5px;font-weight:600;color:#92400E;background:rgba(245,158,11,.16);border-radius:var(--pill);padding:3px 10px}
.tl-card p{margin-top:10px;font-size:14.5px;color:var(--muted)}
.tl-list{margin-top:12px;display:grid;gap:7px}
.tl-list li{position:relative;padding-left:18px;font-size:14px;color:var(--muted)}
.tl-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--brand-2);opacity:.75}

/* ---------- spec cards ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(109,40,217,.26)}
.spec-top{display:flex;align-items:center;gap:12px}
.spec-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand-1);font-size:17px;border:1px solid var(--line);
}
.spec-card h3{font-size:16.5px;font-weight:600}
.spec-card p{font-size:14px;color:var(--muted)}
.spec-value{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:baseline;gap:8px;
}
.spec-value strong{font-size:22px;font-weight:700;color:var(--brand-2);letter-spacing:-.01em}
.spec-value span{font-size:13px;color:var(--muted)}

/* ---------- notice strip ---------- */
.strip{
  background:var(--grad);border-radius:26px;padding:32px 36px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(109,40,217,.26);
}
.strip h3{font-size:21px;font-weight:600}
.strip p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.86);max-width:640px}
.strip .btn{background:#fff;color:var(--brand-1);border-color:transparent}
.strip .btn:hover{background:#FDF7FF;filter:none}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .24s,box-shadow .24s;
}
.faq-item[open]{border-color:rgba(109,40,217,.28);box-shadow:var(--shadow-hover)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-1)}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:var(--pill);display:grid;place-items:center;
  background:rgba(109,40,217,.09);color:var(--brand-1);font-size:15px;font-weight:700;
  transition:transform .28s,background .28s,color .28s;
}
.faq-item[open] .faq-icon{transform:rotate(135deg);background:var(--grad);color:#fff}
.faq-body{padding:0 24px 20px;border-top:1px solid var(--line);margin-top:0;padding-top:16px}
.faq-body p{font-size:14.5px;color:var(--muted)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:78px 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:-30% -10% auto -10%;height:120%;
  background:radial-gradient(60% 60% at 20% 10%,rgba(109,40,217,.55),transparent 70%),
             radial-gradient(50% 50% at 85% 30%,rgba(219,39,119,.45),transparent 70%);
}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{font-size:32px;font-weight:600;letter-spacing:-.01em}
.cta-band p{margin:14px auto 28px;max-width:620px;color:rgba(255,255,255,.8);font-size:15.5px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9BFD6;padding:70px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:#F0A6CE}
.footer-brand p{color:#A99CB8;font-size:14px;line-height:1.8;max-width:340px}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-pills span{
  font-size:12.5px;padding:4px 12px;border-radius:var(--pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#D6CBEB;
}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#A99CB8;transition:color .22s,padding-left .22s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:#8E82A0;font-size:13px;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:1099px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .nav-search{max-width:none}
}
@media (max-width:991px){
  :root{--sec:64px}
  .cat-hero h1{font-size:32px}
  .section-head h2{font-size:24px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .timeline-wrap{padding:36px 24px}
  .cta-band h2{font-size:26px}
}
@media (max-width:767px){
  :root{--sec:48px}
  .container{padding:0 16px}
  .header-inner{min-height:64px;gap:10px}
  .logo-text strong{font-size:15px}
  .logo-mark{width:34px;height:34px;font-size:17px}
  .header-actions .icon-btn:not(.keep){display:none}
  .cat-hero{min-height:auto}
  .hero-inner{padding:38px 16px 54px}
  .cat-hero h1{font-size:26px}
  .cat-hero p.lead{font-size:14.5px}
  .grid-3,.grid-2,.grid-4,.spec-grid{grid-template-columns:1fr}
  .timeline-wrap{padding:28px 18px;border-radius:20px}
  .timeline::before{left:15px}
  .tl-item{gap:16px}
  .tl-node{width:32px;height:32px;font-size:14px}
  .tl-card{padding:16px 18px}
  .strip{padding:24px 20px;border-radius:20px}
  .strip h3{font-size:18px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:14px 18px 18px}
  .cta-band{padding:56px 0}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:28px}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.08)}
  .footer-col h3{margin:0;padding:16px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
  .footer-col h3::after{content:"+";color:#8E82A0;font-size:16px;font-weight:400;transition:transform .25s}
  .footer-col.open h3::after{transform:rotate(45deg)}
  .footer-col ul{display:none;padding-bottom:16px}
  .footer-col.open ul{display:grid}
  .footer-brand{border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:20px}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;gap:6px;text-align:center}
}
@media (max-width:519px){
  .cat-hero h1{font-size:23px;line-height:1.3}
  .section-head h2{font-size:21px}
  .btn{height:44px;padding:0 22px;font-size:14.5px}
  .card-body{padding:16px}
}

/* roulang page: category4 */
:root{
  --brand-1:#6D28D9;
  --brand-2:#DB2777;
  --brand-soft:rgba(109,40,217,.08);
  --accent:#F59E0B;
  --dark:#14061F;
  --bg:#F7F4FB;
  --surface:#FFFFFF;
  --ink:#241B2E;
  --ink-2:#6B6279;
  --line:#E7E1F0;
  --radius:20px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 8px 28px rgba(109,40,217,.10);
  --shadow-hover:0 14px 36px rgba(109,40,217,.18);
  --grad:linear-gradient(135deg,#6D28D9 0%,#DB2777 100%);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(109,40,217,.55);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:30px;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.section-head p{color:var(--ink-2);font-size:15px;max-width:640px;margin-top:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-1);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.divider{height:1px;border:0;background:linear-gradient(90deg,rgba(109,40,217,.28),rgba(219,39,119,.18),transparent);margin:0}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(219,39,119,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(219,39,119,.34);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(219,39,119,.26)}
.btn-ghost{background:transparent;border-color:var(--brand-1);color:var(--brand-1)}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12px;font-weight:600;letter-spacing:.02em;
  background:#FDF0DC;color:#8A5200;border:1px solid rgba(245,158,11,.28);
}
.badge-ok{background:rgba(109,40,217,.10);color:#5B21B6;border-color:rgba(109,40,217,.22)}
.badge-soon{background:rgba(219,39,119,.10);color:#9D174D;border-color:rgba(219,39,119,.22)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;color:var(--ink-2);background:#F2EDF9;border:1px solid var(--line);
}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(20,6,31,.05);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:76px;flex-wrap:nowrap}
.logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:700;
  box-shadow:0 8px 20px rgba(109,40,217,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em}
.logo-text em{font-style:normal;font-size:12px;color:var(--ink-2);letter-spacing:.1em}
.nav-search{
  flex:1 1 auto;max-width:600px;margin:0 auto;position:relative;display:flex;align-items:center;
}
.nav-search .search-icon{position:absolute;left:18px;width:18px;height:18px;stroke:var(--ink-2);pointer-events:none}
.nav-search input{
  width:100%;height:48px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;padding:0 118px 0 46px;
  font-size:14px;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.nav-search input::placeholder{color:#A79DB5}
.nav-search input:focus{outline:none;border-color:transparent;box-shadow:0 0 0 2px #6D28D9,0 0 0 6px rgba(219,39,119,.16)}
.nav-search .search-btn{
  position:absolute;right:5px;height:38px;padding:0 20px;border:0;border-radius:var(--radius-pill);
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.nav-search .search-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.main-nav{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.main-nav a{
  position:relative;padding:8px 12px;border-radius:10px;font-size:14px;font-weight:500;
  color:var(--ink-2);transition:color .2s var(--ease),background .2s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.main-nav a:hover{color:var(--brand-1)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand-1);font-weight:600;background:var(--brand-soft)}
.main-nav a.active::after{transform:scaleX(1)}
.nav-toggle{
  display:none;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1)}

/* ===== 内页 Hero ===== */
.page-hero{
  position:relative;min-height:300px;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(120deg,rgba(20,6,31,.94) 0%,rgba(109,40,217,.82) 46%,rgba(219,39,119,.46) 100%),
             url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 88% 20%,rgba(245,158,11,.22),transparent 42%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.page-hero h1{font-size:44px;font-weight:700;letter-spacing:-.01em;line-height:1.24;max-width:760px}
.page-hero .hero-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);max-width:660px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.page-hero .btn-ghost{border-color:rgba(255,255,255,.72);color:#fff}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.14)}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.92);margin-bottom:18px;
}

/* ===== 数据条 ===== */
.stats-strip{margin-top:-46px;position:relative;z-index:5}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-num{font-size:32px;font-weight:700;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-num span{font-size:15px;font-weight:600;-webkit-text-fill-color:var(--ink-2);margin-left:6px}
.stat-label{margin-top:6px;font-size:14px;color:var(--ink-2)}

/* ===== 福利参数卡 ===== */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.spec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px 24px;display:flex;flex-direction:column;gap:16px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(109,40,217,.28)}
.spec-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.spec-head h3{font-size:20px;font-weight:600;letter-spacing:-.01em}
.spec-head .spec-index{
  font-size:13px;font-weight:700;color:var(--brand-1);background:var(--brand-soft);
  border-radius:10px;padding:4px 10px;flex:0 0 auto;
}
.spec-list{margin:0;border-top:1px solid var(--line)}
.spec-row{display:flex;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.spec-row:last-child{border-bottom:0}
.spec-row dt{flex:0 0 82px;color:var(--ink-2);margin:0}
.spec-row dd{flex:1 1 auto;margin:0;font-weight:500}
.spec-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto}
.spec-note{font-size:13px;color:var(--ink-2)}
.spec-card .btn-sm{flex:0 0 auto}

/* ===== 活动排期卡 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/9;background:#EDE7F6;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.05)}
.card-media .badge{position:absolute;top:14px;right:14px;box-shadow:0 6px 16px rgba(20,6,31,.18)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45}
.card-body p{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--ink-2)}
.card-link{color:var(--brand-1);font-weight:600;font-size:14px;transition:gap .2s var(--ease)}
.card-link:hover{text-decoration:underline}

/* ===== 规则区（图文分栏） ===== */
.rules-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.rules-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.rules-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.rule-list{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.rule-item{display:flex;gap:16px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);transition:border-color .2s,transform .2s var(--ease)}
.rule-item:hover{border-color:rgba(109,40,217,.3);transform:translateX(4px)}
.rule-num{
  flex:0 0 34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:14px;
}
.rule-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
.rule-item p{font-size:14px;color:var(--ink-2)}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand-1);flex:0 0 auto;transition:transform .26s var(--ease)}
.faq-item[open] summary{color:var(--brand-1)}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;border-top:1px solid var(--line);margin-top:0;color:var(--ink-2);font-size:15px}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;color:#fff;padding:96px 0;
  background:linear-gradient(120deg,rgba(20,6,31,.92),rgba(109,40,217,.86) 52%,rgba(219,39,119,.72)),
             url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-inner{max-width:720px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px}
.cta-inner h2{font-size:32px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.cta-inner p{color:rgba(255,255,255,.86);font-size:16px}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:6px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.72);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14)}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#C9BFD6;padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(255,255,255,.6)}
.footer-brand p{color:rgba(201,191,214,.86);line-height:1.8}
.footer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-pills span{
  font-size:12px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.78);
}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(201,191,214,.86);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(201,191,214,.7);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .main-nav a{font-size:13px;padding:8px 9px}
  .nav-search{max-width:440px}
}
@media (max-width:1099px){
  .header-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:14px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin:0}
  .main-nav{
    order:4;flex:1 1 100%;display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:10px 0 4px;border-top:1px solid var(--line);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;font-size:15px;border-radius:12px}
  .main-nav a::after{display:none}
  .main-nav a.active{background:var(--brand-soft)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .rules-layout{grid-template-columns:1fr;gap:28px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-hero{min-height:260px}
  .page-hero h1{font-size:32px}
  .page-hero .container{padding-top:42px;padding-bottom:42px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:24px}
  .stats-strip{margin-top:-32px}
  .stat-card{padding:20px 18px}
  .stat-num{font-size:26px}
  .spec-grid,.card-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:24px}
  .cta-band{padding:64px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .hero-actions .btn{width:100%}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .logo-text strong{font-size:15px}
  .stats-grid{grid-template-columns:1fr}
  .nav-search input{padding-right:96px}
  .nav-search .search-btn{padding:0 16px}
}