/* roulang page: index */
:root{
  --bg:#070B16;
  --panel:#0B1220;
  --glass:rgba(15,23,42,.58);
  --glass-soft:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.12);
  --line-cyan:rgba(34,211,238,.35);
  --cyan:#22D3EE;
  --purple:#A855F7;
  --lime:#A3E635;
  --text:#F8FAFC;
  --muted:#CBD5E1;
  --dim:#94A3B8;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-s:0 12px 30px rgba(0,0,0,.25);
  --shadow-m:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(34,211,238,.45);
  --glow-strong:0 0 36px rgba(34,211,238,.65);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  background:
    radial-gradient(1100px 620px at 12% -12%, rgba(34,211,238,.16), transparent 62%),
    radial-gradient(900px 540px at 88% 2%, rgba(168,85,247,.15), transparent 60%),
    var(--bg);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
  z-index:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7DE9FF;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;font-weight:800;}
p{margin:0 0 1.15rem;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media (min-width:640px){.container{padding:0 28px;}}
@media (min-width:1024px){.container{padding:0 36px;}}

/* ============ 顶部信息条 ============ */
.topbar{
  background:linear-gradient(90deg, rgba(34,211,238,.12), rgba(168,85,247,.12));
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  position:relative;
  z-index:60;
}
.topbar-inner{
  display:flex;align-items:center;gap:18px;
  min-height:38px;padding:6px 0;
  justify-content:space-between;
}
.topbar-brand{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-weight:700;white-space:nowrap;}
.topbar-brand i{color:var(--cyan);font-size:12px;}
.topbar-note{display:inline-flex;align-items:center;gap:8px;color:var(--dim);white-space:nowrap;}
.topbar-note i{color:var(--lime);font-size:11px;}
.topbar-actions{display:inline-flex;align-items:center;gap:14px;white-space:nowrap;}
.topbar-actions a{color:var(--muted);font-weight:600;}
.topbar-actions a:hover{color:var(--cyan);}
.topbar-scroll{overflow-x:auto;scrollbar-width:none;}
.topbar-scroll::-webkit-scrollbar{display:none;}
@media (max-width:767px){
  .topbar-note{display:none;}
  .topbar-inner{gap:12px;}
}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(7,11,22,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);font-weight:900;font-size:17px;letter-spacing:-.01em;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),#6366F1 55%,var(--purple));
  box-shadow:var(--glow);
  color:#04121A;font-size:16px;
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:10px;
  color:var(--muted);font-size:15px;font-weight:600;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.active{color:#fff;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  box-shadow:0 0 12px rgba(34,211,238,.85);
}
.nav-tools{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted);
  cursor:pointer;transition:.2s ease;
}
.icon-btn:hover{color:var(--cyan);border-color:var(--line-cyan);background:rgba(255,255,255,.08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;font-weight:700;font-size:15px;
  padding:12px 24px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),#6366F1 55%,var(--purple));
  color:#06121B;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-strong);color:#06121B;}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.18);
  color:var(--text);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--line-cyan);background:rgba(255,255,255,.09);box-shadow:0 0 22px rgba(34,211,238,.25);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16.5px;}
.nav-toggle{display:none;}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .nav-tools{gap:10px;}
  .nav-tools .btn-primary{display:none;}
}
@media (max-width:520px){
  .brand span.brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .nav-inner{gap:12px;min-height:62px;}
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(9,14,26,.96);
  backdrop-filter:blur(18px);
  padding:14px 0 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;color:var(--muted);font-weight:600;
  border:1px solid transparent;
}
.mobile-drawer .m-link:hover,.mobile-drawer .m-link.active{
  color:#fff;background:rgba(34,211,238,.08);border-color:var(--line-cyan);
}
.mobile-drawer .m-link i{color:var(--cyan);font-size:12px;}

/* ============ 通用板块 ============ */
.section{padding:64px 0;position:relative;}
@media (min-width:768px){.section{padding:92px 0;}}
.section-head{max-width:760px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);
  background:rgba(34,211,238,.09);
  border:1px solid rgba(34,211,238,.25);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.h2{font-size:clamp(1.6rem,3vw,2.5rem);font-weight:800;}
.h3{font-size:1.28rem;font-weight:700;}
.lead{color:var(--muted);font-size:1.03rem;max-width:720px;}
.dim{color:var(--dim);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;border-radius:999px;padding:4px 12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--muted);
}
.badge-cyan{color:#8FEBFF;border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.1);}
.badge-purple{color:#DCB6FF;border-color:rgba(168,85,247,.35);background:rgba(168,85,247,.1);}
.badge-lime{color:#D6F79B;border-color:rgba(163,230,53,.32);background:rgba(163,230,53,.1);}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-s);
}
.card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-s);
  padding:24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-cyan);box-shadow:var(--shadow-m),0 0 26px rgba(34,211,238,.22);}
.media{position:relative;border-radius:var(--r-sm);overflow:hidden;background:#0A1121;aspect-ratio:16/9;}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.92;}
.card:hover .media img,.media:hover img{transform:scale(1.05);}
.media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,22,.05),rgba(7,11,22,.62));
}
.media-label{position:absolute;left:12px;top:12px;z-index:2;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 66px;}
@media (min-width:768px){.hero{padding:104px 0 92px;}}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.35;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 460px at 18% 18%, rgba(34,211,238,.26), transparent 62%),
    radial-gradient(620px 420px at 86% 6%, rgba(168,85,247,.24), transparent 60%),
    linear-gradient(180deg, rgba(7,11,22,.72), rgba(7,11,22,.95));
}
.hero-grid{display:grid;gap:44px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:56px;}}
.hero h1{
  font-size:clamp(2.1rem,5vw,4rem);
  font-weight:900;
  margin:16px 0 18px;
}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--cyan),#8B5CF6 60%,var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.08rem;color:var(--muted);max-width:620px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--dim);font-size:14px;}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--cyan);}
.hero-card{padding:26px;border-radius:var(--r-lg);}
.hero-card h2{font-size:1.15rem;margin-bottom:6px;}
.hero-status{
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  color:#D6F79B;background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.3);
  border-radius:999px;padding:5px 13px;width:max-content;margin-bottom:16px;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime);}
.info-list li{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.12);}
.info-list li:last-child{border-bottom:0;}
.info-list .k{color:var(--dim);font-size:14px;}
.info-list .v{color:var(--text);font-weight:700;font-size:14.5px;text-align:right;}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0 4px;}
.countdown div{
  text-align:center;padding:10px 4px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.countdown b{display:block;font-size:1.2rem;color:var(--cyan);font-weight:800;}
.countdown small{color:var(--dim);font-size:11.5px;}

/* ============ 数据条 ============ */
.stats{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:640px){.stats{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);}}
.stat{padding:22px 24px;border-radius:var(--r-md);}
.stat b{display:block;font-size:2rem;font-weight:900;letter-spacing:-.02em;color:#fff;}
.stat b em{font-style:normal;font-size:1rem;color:var(--cyan);margin-left:4px;}
.stat span{color:var(--dim);font-size:14px;}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:10px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(34,211,238,.85),rgba(168,85,247,.5),transparent);
}
.tl-item{position:relative;padding-left:56px;margin-bottom:22px;}
.tl-dot{
  position:absolute;left:8px;top:26px;width:24px;height:24px;border-radius:50%;
  background:rgba(7,11,22,.9);border:2px solid var(--cyan);
  box-shadow:0 0 18px rgba(34,211,238,.7);
}
.tl-card{padding:22px 24px;border-radius:var(--r-md);}
.tl-time{font-size:13.5px;font-weight:700;color:var(--cyan);letter-spacing:.02em;}
.tl-card h3{margin:8px 0 8px;font-size:1.16rem;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--dim);font-size:13.5px;margin-top:12px;}
.tl-meta span{display:inline-flex;align-items:center;gap:7px;}
@media (min-width:1024px){
  .timeline.dual::before{left:50%;transform:translateX(-50%);}
  .timeline.dual .tl-item{width:50%;padding-left:0;padding-right:52px;margin-bottom:26px;}
  .timeline.dual .tl-item:nth-child(even){margin-left:50%;padding-left:52px;padding-right:0;}
  .timeline.dual .tl-dot{left:auto;right:-12px;top:26px;}
  .timeline.dual .tl-item:nth-child(even) .tl-dot{left:-12px;right:auto;}
}

/* ============ 嘉宾网格 ============ */
.grid-4{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:600px){.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr);}}
.speaker .media{aspect-ratio:4/5;}
.speaker h3{margin:16px 0 4px;font-size:1.08rem;}
.speaker .role{color:var(--cyan);font-size:13.5px;font-weight:700;}
.speaker p{color:var(--muted);font-size:14px;margin:10px 0 12px;}

/* ============ 票种 ============ */
.plans{display:grid;gap:22px;grid-template-columns:1fr;align-items:stretch;}
@media (min-width:900px){.plans{grid-template-columns:repeat(3,1fr);}}
.plan{padding:28px 26px;display:flex;flex-direction:column;border-radius:var(--r-md);}
.plan.featured{
  border-color:rgba(34,211,238,.5);
  box-shadow:var(--shadow-m),0 0 34px rgba(34,211,238,.32);
  background:linear-gradient(180deg,rgba(34,211,238,.1),rgba(15,23,42,.72));
}
.plan .price{font-size:2.15rem;font-weight:900;margin:12px 0 4px;letter-spacing:-.02em;}
.plan .price em{font-style:normal;font-size:.95rem;color:var(--dim);font-weight:600;margin-left:6px;}
.plan ul{margin:18px 0 24px;display:grid;gap:11px;}
.plan li{display:flex;gap:10px;color:var(--muted);font-size:14.5px;line-height:1.6;}
.plan li i{color:var(--cyan);margin-top:5px;font-size:12px;}
.plan li.off{color:#64748B;}
.plan li.off i{color:#475569;}
.plan .btn{margin-top:auto;width:100%;}
.table-wrap{margin-top:34px;overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(11,18,32,.6);}
table.compare{width:100%;min-width:680px;border-collapse:collapse;font-size:14.5px;}
table.compare th,table.compare td{padding:14px 18px;text-align:left;border-bottom:1px solid rgba(255,255,255,.07);}
table.compare thead th{color:var(--text);font-weight:800;background:rgba(255,255,255,.04);}
table.compare tbody td{color:var(--muted);}
table.compare tbody tr:hover td{background:rgba(34,211,238,.05);}
table.compare td.hl{color:var(--cyan);font-weight:700;}

/* ============ 表单 ============ */
.form-grid{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:768px){.form-grid{grid-template-columns:repeat(2,1fr);}}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:700;color:var(--muted);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color .2s ease,box-shadow .25s ease,background .2s ease;
}
.field textarea{min-height:110px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#64748B;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(34,211,238,.16),0 0 22px rgba(34,211,238,.24);
  background:rgba(255,255,255,.07);
}
.field select option{background:#0B1220;color:#F8FAFC;}
.form-note{font-size:13px;color:var(--dim);margin-top:14px;}
.form-note i{color:var(--lime);margin-right:6px;}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;gap:22px;grid-template-columns:1fr;}
@media (min-width:700px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1080px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{display:flex;flex-direction:column;padding:0;overflow:hidden;}
.news-card .media{border-radius:0;aspect-ratio:16/9;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:1.05rem;margin:12px 0 10px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--cyan);}
.news-body p{color:var(--muted);font-size:14.3px;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--dim);}
.news-foot .go{display:inline-flex;align-items:center;gap:7px;color:var(--cyan);font-weight:700;}
.empty-state{
  text-align:center;padding:52px 26px;border-radius:var(--r-md);
  border:1px dashed rgba(255,255,255,.18);background:rgba(255,255,255,.03);
}
.empty-state i{font-size:30px;color:var(--cyan);margin-bottom:14px;display:block;}
.empty-state p{color:var(--muted);margin-bottom:16px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:18px;
  background:rgba(15,23,42,.52);
  backdrop-filter:blur(14px);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--line-cyan);}
.faq-item[open]{border-color:rgba(34,211,238,.4);box-shadow:0 0 26px rgba(34,211,238,.15);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-weight:700;color:var(--text);font-size:15.5px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--cyan);transition:transform .25s ease;flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.85;}

/* ============ CTA 大面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(34,211,238,.28);
  background:
    radial-gradient(600px 320px at 16% 0%, rgba(34,211,238,.22), transparent 65%),
    radial-gradient(560px 320px at 92% 12%, rgba(168,85,247,.2), transparent 62%),
    rgba(11,18,32,.78);
  backdrop-filter:blur(18px);
  padding:34px 26px;
  box-shadow:var(--shadow-m);
}
@media (min-width:768px){.cta-panel{padding:48px 44px;}}
.cta-grid{display:grid;gap:34px;}
@media (min-width:1024px){.cta-grid{grid-template-columns:.95fr 1.05fr;gap:48px;align-items:start;}}
.cta-points{display:grid;gap:12px;margin-top:20px;}
.cta-points li{display:flex;gap:11px;color:var(--muted);font-size:14.6px;}
.cta-points i{color:var(--lime);margin-top:5px;font-size:13px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,14,26,.6),rgba(5,8,16,.96));
  position:relative;z-index:1;
}
.footer-grid{display:grid;gap:34px;padding:56px 0 34px;grid-template-columns:1fr;}
@media (min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}}
.footer-brand{display:inline-flex;align-items:center;gap:11px;color:#fff;font-weight:900;font-size:17px;margin-bottom:14px;}
.footer h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:800;letter-spacing:.01em;}
.footer li{margin-bottom:11px;}
.footer li a{color:var(--dim);font-size:14.3px;}
.footer li a:hover{color:var(--cyan);}
.footer p{color:var(--dim);font-size:14.3px;max-width:360px;}
.qr-box{
  width:104px;height:104px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);display:grid;place-items:center;
  color:var(--dim);font-size:12px;text-align:center;gap:6px;
}
.qr-box i{font-size:22px;color:var(--cyan);display:block;margin-bottom:6px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px 22px;
  align-items:center;justify-content:space-between;color:#64748B;font-size:13.2px;
}
.footer-bottom a{color:#94A3B8;}
.footer-bottom a:hover{color:var(--cyan);}
.socials{display:flex;gap:10px;}
.socials a{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);
}
.socials a:hover{color:var(--cyan);border-color:var(--line-cyan);box-shadow:0 0 18px rgba(34,211,238,.25);}

/* 动效 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg:#070B16;
  --panel:#0B1220;
  --glass:rgba(15,23,42,.58);
  --glass-2:rgba(255,255,255,.05);
  --border:rgba(255,255,255,.12);
  --border-strong:rgba(34,211,238,.35);
  --text:#F8FAFC;
  --text-2:#CBD5E1;
  --text-3:#94A3B8;
  --cyan:#22D3EE;
  --indigo:#6366F1;
  --purple:#A855F7;
  --lime:#A3E635;
  --radius:22px;
  --radius-sm:14px;
  --shadow-sm:0 12px 30px rgba(0,0,0,.25);
  --shadow-md:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(34,211,238,.45);
  --glow-strong:0 0 36px rgba(34,211,238,.65);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 12% -6%,rgba(34,211,238,.16),transparent 70%),
    radial-gradient(680px 420px at 88% 4%,rgba(168,85,247,.15),transparent 72%),
    radial-gradient(900px 520px at 50% 108%,rgba(99,102,241,.12),transparent 75%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 78%);
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{padding-left:1.25rem;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;position:relative;z-index:1;}
.mini{font-size:13px;color:var(--text-3);}

/* ============ 顶部信息条 ============ */
.topbar{
  position:relative;
  z-index:60;
  background:linear-gradient(90deg,rgba(11,18,32,.94),rgba(7,11,22,.94));
  border-bottom:1px solid rgba(255,255,255,.08);
  font-size:13.5px;
}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:40px;padding:6px 20px;}
.topbar-brand{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);white-space:nowrap;}
.topbar-brand i{color:var(--cyan);}
.topbar-hint{color:var(--text-3);margin-left:auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-weight:600;white-space:nowrap;}
.topbar-link:hover{color:#7DE9FB;}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(7,11,22,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;font-size:18.5px;letter-spacing:-.02em;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--indigo),var(--purple));
  color:#05070F;font-size:16px;
  box-shadow:var(--glow);
  flex:none;
}
.brand-text{white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0 0 0 auto;padding:0;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:12px;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  transition:color .25s,background .25s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.active{color:#fff;font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  box-shadow:0 0 12px rgba(34,211,238,.85);
}
.nav-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--border);
  background:var(--glass-2);color:var(--text-2);
  cursor:pointer;transition:all .25s;
}
.icon-btn:hover{color:#fff;border-color:var(--border-strong);box-shadow:0 0 18px rgba(34,211,238,.3);}
.nav-toggle{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,filter .25s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--indigo),var(--purple));
  color:#050A14;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:var(--glow-strong);color:#050A14;}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--border-strong);background:rgba(255,255,255,.08);box-shadow:0 0 22px rgba(34,211,238,.25);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(34,211,238,.12);
  border:1px solid rgba(34,211,238,.35);
  color:#7DE9FB;
}
.badge-purple{background:rgba(168,85,247,.13);border-color:rgba(168,85,247,.38);color:#D8B4FE;}
.badge-lime{background:rgba(163,230,53,.13);border-color:rgba(163,230,53,.35);color:#D9F99D;}
.badge-muted{background:rgba(255,255,255,.06);border-color:var(--border);color:var(--text-2);}

/* ============ 玻璃卡 ============ */
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-md);
}

/* ============ 文章头部 ============ */
.article-hero{position:relative;padding:44px 0 26px;}
.hero-back{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.28;
  border-radius:0 0 40px 40px;
}
.hero-back::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,22,.55),rgba(7,11,22,.96));border-radius:0 0 40px 40px;}
.breadcrumb{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{color:#334155;}
.breadcrumb .current{color:var(--text-2);max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{position:relative;padding:32px;}
.article-head h1{
  font-size:clamp(1.7rem,3.4vw,2.7rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.35;
  margin:16px 0 18px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px;color:var(--text-3);}
.meta-row i{color:var(--cyan);margin-right:6px;}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 336px;
  gap:32px;
  align-items:start;
  padding:8px 0 72px;
  position:relative;
}
.article-body{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:24px;
  padding:38px 40px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-md);
  min-width:0;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(1.35rem,2.2vw,1.8rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.45;
  margin:38px 0 16px;
  padding-left:16px;
  border-left:3px solid var(--cyan);
  box-shadow:-6px 0 22px -10px rgba(34,211,238,.6);
}
.article-body h3{
  font-size:1.22rem;font-weight:700;margin:28px 0 12px;color:#fff;
}
.article-body h4{font-size:1.05rem;font-weight:700;margin:22px 0 10px;color:var(--text);}
.article-body p{margin:0 0 20px;color:var(--text-2);font-size:16.5px;line-height:1.9;}
.article-body strong{color:#fff;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:1.35rem;color:var(--text-2);}
.article-body li{margin-bottom:12px;line-height:1.85;}
.article-body li::marker{color:var(--cyan);}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#7DE9FB;}
.article-body img{border-radius:18px;border:1px solid var(--border);margin:26px 0;box-shadow:var(--shadow-sm);}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;
  border-left:3px solid var(--cyan);
  background:rgba(34,211,238,.07);
  border-radius:0 16px 16px 0;
  color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body code{
  background:rgba(255,255,255,.08);border:1px solid var(--border);
  padding:2px 7px;border-radius:8px;font-size:.92em;color:#7DE9FB;
}
.article-body pre{
  background:rgba(2,6,15,.85);border:1px solid var(--border);
  border-radius:16px;padding:18px 20px;overflow-x:auto;margin:24px 0;
}
.article-body pre code{background:none;border:none;padding:0;color:var(--text-2);}
.article-body hr{border:none;border-top:1px solid var(--border);margin:34px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;}
.article-body th{background:rgba(255,255,255,.06);color:#fff;font-weight:700;}
.article-body td{color:var(--text-2);}

/* 空态 */
.empty-state{padding:56px 32px;text-align:center;}
.empty-icon{
  width:72px;height:72px;margin:0 auto 20px;border-radius:22px;
  display:grid;place-items:center;font-size:26px;color:var(--cyan);
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);
  box-shadow:var(--glow);
}
.empty-state h2{margin:0 0 10px;font-size:1.5rem;font-weight:800;letter-spacing:-.02em;}
.empty-state p{color:var(--text-3);margin:0 0 24px;}

/* 侧栏 */
.sticky-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{padding:24px;}
.side-card h3{margin:0 0 14px;font-size:1.06rem;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--cyan);}
.side-card p{color:var(--text-3);font-size:14.5px;line-height:1.85;margin:0 0 16px;}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 13px;border-radius:12px;color:var(--text-2);font-size:14.5px;
  transition:background .25s,color .25s,transform .25s;
}
.side-list a i{color:#475569;font-size:12px;transition:color .25s,transform .25s;}
.side-list a:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(3px);}
.side-list a:hover i{color:var(--cyan);}
.side-facts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.side-facts li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.side-facts li i{color:var(--lime);margin-top:6px;font-size:12px;}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 72px;}
.section-head{margin-bottom:30px;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:800;letter-spacing:-.02em;margin:0 0 10px;line-height:1.4;
}
.section-head p{color:var(--text-3);margin:0;font-size:15.5px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  display:flex;flex-direction:column;gap:16px;
  padding:18px;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-sm);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 22px 60px rgba(0,0,0,.4),0 0 26px rgba(34,211,238,.18);}
.card-cover{position:relative;aspect-ratio:16/10;border-radius:18px;overflow:hidden;background:#0B1220;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.card:hover .card-cover img{transform:scale(1.06);}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,22,.05),rgba(7,11,22,.62));}
.card-body{display:flex;flex-direction:column;gap:10px;padding:0 6px 6px;}
.card-title{font-size:1.08rem;font-weight:700;line-height:1.55;margin:0;color:#fff;}
.card-text{font-size:14.5px;color:var(--text-3);line-height:1.8;margin:0;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto;}
.card-meta i{color:var(--cyan);transition:transform .25s;}
.card:hover .card-meta i{transform:translateX(4px);}

/* ============ CTA 面板 ============ */
.cta-section{padding:0 0 84px;}
.cta-panel{
  position:relative;overflow:hidden;
  padding:52px 44px;
  border-radius:28px;
  background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(99,102,241,.12) 45%,rgba(168,85,247,.16));
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow-md);
  text-align:center;
}
.cta-panel::before{
  content:"";position:absolute;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.32),transparent 68%);
  top:-220px;right:-120px;
}
.cta-panel h2{position:relative;font-size:clamp(1.55rem,3vw,2.35rem);font-weight:800;letter-spacing:-.02em;margin:0 0 14px;line-height:1.4;}
.cta-panel p{position:relative;color:var(--text-2);max-width:660px;margin:0 auto 28px;font-size:16px;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ============ 返回入口 ============ */
.back-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;margin-top:34px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;
  margin-top:20px;
  padding:64px 0 0;
  background:linear-gradient(180deg,rgba(7,11,22,.35),rgba(3,6,13,.96));
  border-top:1px solid var(--border);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px;}
.footer-brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.02em;margin-bottom:16px;}
.site-footer p{color:var(--text-3);font-size:14.5px;line-height:1.85;margin:0;}
.site-footer h4{margin:0 0 16px;font-size:15.5px;font-weight:700;color:#fff;letter-spacing:.01em;}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.site-footer ul a{color:var(--text-3);font-size:14.5px;transition:color .25s,padding-left .25s;}
.site-footer ul a:hover{color:var(--cyan);padding-left:4px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--border);background:var(--glass-2);color:var(--text-2);
  transition:all .25s;
}
.socials a:hover{color:#fff;border-color:var(--border-strong);box-shadow:0 0 18px rgba(34,211,238,.3);transform:translateY(-2px);}
.qr-box{
  display:inline-flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:16px;
  border:1px dashed rgba(255,255,255,.2);
  background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14px;
}
.qr-box i{font-size:24px;color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding:22px 0 26px;
  border-top:1px solid var(--border);
  color:var(--text-3);font-size:13.5px;
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ 移动端抽屉 ============ */
.mobile-drawer{display:none;background:rgba(7,11,22,.97);border-top:1px solid var(--border);backdrop-filter:blur(18px);}
.mobile-drawer.open{display:block;}
.mobile-drawer .container{padding:16px 20px 22px;display:flex;flex-direction:column;gap:8px;}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;color:var(--text-2);font-size:15.5px;
  background:rgba(255,255,255,.03);border:1px solid transparent;
}
.m-link:hover,.m-link.active{color:#fff;border-color:var(--border-strong);background:rgba(255,255,255,.07);}
.m-link i{font-size:12px;color:#475569;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .sticky-side{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-menu{display:none;}
  .nav-toggle{display:grid;}
  .nav-inner{gap:14px;}
}
@media (max-width:768px){
  .topbar-hint{display:none;}
  .topbar-inner{gap:12px;padding:8px 20px;}
  .article-head{padding:24px;}
  .article-body{padding:26px 22px;}
  .cta-panel{padding:38px 22px;}
  .article-body p{font-size:16px;}
}
@media (max-width:560px){
  .brand-text{font-size:16px;}
  .brand-mark{width:34px;height:34px;border-radius:11px;}
  .nav-tools .btn-primary{display:none;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .topbar-brand span{font-size:12.5px;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#070B16;
  --panel:#0B1220;
  --panel-soft:rgba(15,23,42,.58);
  --cyan:#22D3EE;
  --indigo:#6366F1;
  --purple:#A855F7;
  --lime:#A3E635;
  --text:#F8FAFC;
  --muted:#CBD5E1;
  --weak:#94A3B8;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(34,211,238,.35);
  --radius:22px;
  --radius-sm:14px;
  --shadow-sm:0 12px 30px rgba(0,0,0,.25);
  --shadow-md:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(34,211,238,.45);
  --font:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(760px 520px at 12% -6%, rgba(34,211,238,.20), transparent 62%),
    radial-gradient(820px 560px at 92% 8%, rgba(168,85,247,.18), transparent 64%),
    radial-gradient(900px 700px at 50% 110%, rgba(99,102,241,.16), transparent 70%);
  pointer-events:none;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:66px 66px;
  -webkit-mask-image:radial-gradient(circle at 50% 8%, #000 0%, transparent 72%);
  mask-image:radial-gradient(circle at 50% 8%, #000 0%, transparent 72%);
  pointer-events:none;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--cyan);text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{color:#67E8F9}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.28;color:var(--text)}
p{margin:0 0 20px}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section-sm{padding:56px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:#67E8F9;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--purple))}
h2.title{font-size:clamp(1.6rem,3vw,2.5rem);font-weight:800;margin-bottom:16px}
.lead{color:var(--muted);font-size:16.5px;line-height:1.9;margin:0}
.text-weak{color:var(--weak)}
.grad-text{background:linear-gradient(120deg,#67E8F9,#A855F7 70%);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--indigo),var(--purple));
  color:#04111c;font-size:16px;box-shadow:var(--glow);flex-shrink:0;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  display:block;position:relative;padding:10px 14px;border-radius:12px;
  color:var(--muted);font-size:15px;font-weight:500;transition:all .25s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));box-shadow:0 0 12px rgba(34,211,238,.85);
}
.nav-tools{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);
  cursor:pointer;transition:all .25s ease;flex-shrink:0;
}
.icon-btn:hover{color:#fff;border-color:var(--line-strong);box-shadow:0 0 18px rgba(34,211,238,.32);background:rgba(255,255,255,.08)}
.nav-toggle{display:none;border:1px solid var(--line)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(7,11,22,.96);backdrop-filter:blur(18px);padding:14px 0 20px}
.mobile-drawer.open{display:block}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;color:var(--muted);font-weight:500;
  border:1px solid transparent;transition:all .25s ease;margin-bottom:6px;
}
.m-link:hover,.m-link.active{color:#fff;background:rgba(255,255,255,.06);border-color:var(--line)}
.m-link i{font-size:12px;color:var(--weak)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;
  text-decoration:none;line-height:1.2;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--indigo),var(--purple));
  color:#05101d;box-shadow:var(--glow);
}
.btn-primary:hover{color:#05101d;transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 0 36px rgba(34,211,238,.65)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.09);border-color:var(--line-strong);box-shadow:0 0 20px rgba(34,211,238,.25)}
.btn-sm{padding:10px 18px;font-size:14px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.5;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--muted);
}
.badge i{font-size:11px}
.badge-cyan{color:#67E8F9;border-color:rgba(34,211,238,.45);background:rgba(34,211,238,.1)}
.badge-purple{color:#D8B4FE;border-color:rgba(168,85,247,.45);background:rgba(168,85,247,.12)}
.badge-lime{color:#BEF264;border-color:rgba(163,230,53,.4);background:rgba(163,230,53,.1)}

/* ============ 玻璃卡片 ============ */
.glass{
  background:var(--panel-soft);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-md);
}
.glass-hover{transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.glass-hover:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 64px rgba(0,0,0,.4),0 0 26px rgba(34,211,238,.22)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-1}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(7,11,22,.72) 0%, rgba(7,11,22,.9) 62%, var(--bg) 100%),
    radial-gradient(600px 380px at 78% 18%, rgba(34,211,238,.22), transparent 66%);
}
.hero-inner{padding:56px 20px 72px;position:relative}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--weak);margin-bottom:26px;flex-wrap:wrap}
.crumb a{color:var(--weak)}
.crumb a:hover{color:#67E8F9}
.crumb i{font-size:10px;opacity:.6}
.crumb span{color:#67E8F9}
.hero h1{
  font-size:clamp(2.1rem,4.6vw,3.6rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.24;
  margin:18px 0 20px;max-width:19em;
}
.hero-sub{color:var(--muted);font-size:17.5px;line-height:1.9;max-width:44em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:900px}
.stat-card{padding:20px 22px}
.stat-num{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:900;letter-spacing:-.02em;line-height:1.2;
  background:linear-gradient(120deg,#67E8F9,#A855F7);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13px;color:var(--weak);margin-top:6px;line-height:1.6}

/* ============ 时间线 ============ */
.tl-day{margin-bottom:52px}
.tl-day:last-child{margin-bottom:0}
.tl-day-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.tl-day-title{font-size:1.35rem;font-weight:800}
.tl-day-line{flex:1;height:1px;background:linear-gradient(90deg,rgba(34,211,238,.5),rgba(168,85,247,.05));min-width:40px}
.tl-item{position:relative;padding-left:38px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:7px;top:28px;bottom:-4px;width:2px;
  background:linear-gradient(180deg,rgba(34,211,238,.55),rgba(168,85,247,.08));
}
.tl-item:last-child::before{display:none}
.tl-item::after{
  content:"";position:absolute;left:0;top:19px;width:16px;height:16px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#67E8F9,#4338CA);
  border:2px solid rgba(7,11,22,.95);box-shadow:0 0 18px rgba(34,211,238,.85);
}
.tl-card{padding:24px 26px}
.tl-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.tl-time{font-size:14px;font-weight:700;color:#67E8F9;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px}
.tl-card p{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0 0 14px}
.tl-tags{display:flex;gap:10px;flex-wrap:wrap}

/* ============ 参与形式卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{overflow:hidden;display:flex;flex-direction:column}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,22,.08),rgba(7,11,22,.82))}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:1.18rem;font-weight:700}
.card-body p{color:var(--muted);font-size:15.2px;line-height:1.85;margin:0}

/* ============ 现场须知 ============ */
.note-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.note-list{padding:28px 30px}
.note-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.07);color:var(--muted);font-size:15.4px;line-height:1.8}
.note-list li:last-child{border-bottom:none;padding-bottom:0}
.note-list li:first-child{padding-top:0}
.note-list i{color:#67E8F9;margin-top:7px;font-size:14px;flex-shrink:0}
.note-side{padding:26px 28px}
.note-side h3{font-size:1.1rem;margin-bottom:14px}
.note-side ul li{color:var(--muted);font-size:15px;padding:9px 0 9px 20px;position:relative}
.note-side ul li::before{content:"";position:absolute;left:0;top:19px;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--purple));box-shadow:0 0 10px rgba(34,211,238,.7)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
details.faq{
  background:var(--panel-soft);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);
  transition:border-color .3s ease,box-shadow .3s ease;overflow:hidden;
}
details.faq[open]{border-color:var(--line-strong);box-shadow:0 20px 50px rgba(0,0,0,.35),0 0 20px rgba(34,211,238,.18)}
details.faq summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;
  gap:18px;font-weight:700;font-size:16px;line-height:1.6;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";font-size:22px;font-weight:400;color:#67E8F9;flex-shrink:0;transition:transform .3s ease;line-height:1;
}
details.faq[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-answer{padding:0 24px 22px;color:var(--muted);font-size:15.4px;line-height:1.9}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:26px;padding:52px 44px;
  background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(168,85,247,.14)),rgba(11,18,32,.72);
  border:1px solid rgba(34,211,238,.28);backdrop-filter:blur(20px);
  box-shadow:0 30px 80px rgba(0,0,0,.45);text-align:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:320px;
  background:radial-gradient(closest-side,rgba(34,211,238,.28),transparent);pointer-events:none;
}
.cta-panel h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:16px;position:relative}
.cta-panel p{color:var(--muted);max-width:42em;margin:0 auto 30px;position:relative}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}
.cta-note{margin-top:22px;font-size:13.5px;color:var(--weak);position:relative}

/* ============ 表单 ============ */
.field{margin-bottom:16px;text-align:left}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{
  width:100%;padding:12px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);font-size:15px;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#64748B}
.field input:focus,.field textarea:focus{
  outline:none;border-color:rgba(34,211,238,.7);background:rgba(255,255,255,.08);
  box-shadow:0 0 0 3px rgba(34,211,238,.16),0 0 22px rgba(34,211,238,.28);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,32,.72),rgba(7,11,22,.96));
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:11px;font-size:17px;font-weight:800;color:var(--text);margin-bottom:16px}
.site-footer p{color:var(--weak);font-size:14.5px;line-height:1.85;margin:0}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.site-footer ul li{margin-bottom:11px}
.site-footer ul li a{color:var(--weak);font-size:14.5px}
.site-footer ul li a:hover{color:#67E8F9}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--weak);transition:all .25s ease;
}
.socials a:hover{color:#fff;border-color:var(--line-strong);box-shadow:0 0 16px rgba(34,211,238,.32)}
.qr-box{
  display:inline-flex;align-items:center;gap:12px;padding:14px 18px;border-radius:16px;
  border:1px dashed rgba(255,255,255,.18);background:rgba(255,255,255,.04);color:var(--weak);font-size:13.5px;
}
.qr-box i{font-size:22px;color:#67E8F9}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--weak);font-size:13.5px;
}
.footer-bottom a{color:var(--weak)}
.footer-bottom a:hover{color:#67E8F9}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-menu{display:none}
  .nav-toggle{display:grid}
  .nav-tools .icon-btn:not(.nav-toggle){display:none}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .note-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .hero-inner{padding:36px 20px 56px}
  .hero h1{max-width:none}
  .hero-actions .btn{flex:1 1 210px}
  .card-grid{grid-template-columns:1fr}
  .cta-panel{padding:38px 22px}
  .tl-card{padding:20px 20px}
  .note-list{padding:22px 20px}
  .note-side{padding:22px 20px}
  details.faq summary{padding:17px 18px;font-size:15.2px}
  .faq-answer{padding:0 18px 18px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .hero-stats{grid-template-columns:1fr}
  .tl-item{padding-left:30px}
  .tl-item::before{left:6px}
  .tl-item::after{width:14px;height:14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
    --bg:#070B16;
    --panel:#0B1220;
    --glass:rgba(15,23,42,.58);
    --glass-soft:rgba(255,255,255,.05);
    --cyan:#22D3EE;
    --indigo:#6366F1;
    --purple:#A855F7;
    --lime:#A3E635;
    --text:#F8FAFC;
    --muted:#CBD5E1;
    --dim:#94A3B8;
    --border:rgba(255,255,255,.12);
    --border-strong:rgba(34,211,238,.35);
    --radius:22px;
    --radius-sm:14px;
    --radius-lg:28px;
    --shadow-sm:0 12px 30px rgba(0,0,0,.25);
    --shadow-md:0 20px 60px rgba(0,0,0,.35);
    --glow:0 0 24px rgba(34,211,238,.45);
    --glow-strong:0 0 36px rgba(34,211,238,.65);
    --container:1280px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:17px;
    line-height:1.85;
    font-weight:400;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(720px 420px at 12% -6%, rgba(34,211,238,.18), transparent 65%),
      radial-gradient(760px 460px at 92% 4%, rgba(168,85,247,.16), transparent 62%),
      radial-gradient(900px 600px at 50% 110%, rgba(99,102,241,.14), transparent 65%);
  }
  body::after{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    opacity:.35;
    background-image:linear-gradient(rgba(148,163,184,.07) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(148,163,184,.07) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
    -webkit-mask-image:radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
  }
  h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.02em;color:var(--text);}
  p{margin:0 0 1.15rem;}
  ul,ol{margin:0;padding:0;list-style:none;}
  a{color:var(--cyan);text-decoration:none;transition:color .22s ease, opacity .22s ease;}
  a:hover{color:#67E8F9;}
  img{max-width:100%;display:block;}
  button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
  input,textarea,select{font:inherit;}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px;}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 20px;
    position:relative;
    z-index:1;
  }

  /* ============ header / nav ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(7,11,22,.86);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    min-height:70px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text);
    font-weight:800;
    font-size:18px;
    letter-spacing:-.01em;
    white-space:nowrap;
  }
  .brand:hover{color:var(--text);}
  .brand-mark{
    width:36px;
    height:36px;
    flex:0 0 36px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    background:linear-gradient(135deg,var(--cyan),var(--indigo),var(--purple));
    color:#04101C;
    font-size:15px;
    box-shadow:var(--glow);
  }
  .brand-text{display:inline-block;}
  .nav-menu{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;
    display:block;
    padding:9px 13px;
    border-radius:12px;
    font-size:15px;
    font-weight:600;
    color:var(--muted);
    transition:background .22s ease,color .22s ease;
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.07);}
  .nav-link.active{color:var(--text);}
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:13px;
    right:13px;
    bottom:1px;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,var(--cyan),var(--purple));
    box-shadow:0 0 12px rgba(34,211,238,.85);
  }
  .nav-tools{display:flex;align-items:center;gap:10px;}
  .icon-btn{
    width:40px;
    height:40px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    border:1px solid var(--border);
    background:var(--glass-soft);
    color:var(--muted);
    transition:border-color .22s ease,color .22s ease,background .22s ease,transform .22s ease;
  }
  .icon-btn:hover{color:var(--text);border-color:var(--border-strong);background:rgba(255,255,255,.09);transform:translateY(-2px);}
  .nav-toggle{display:none;}

  .mobile-drawer{
    display:none;
    border-top:1px solid var(--border);
    background:rgba(7,11,22,.97);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    padding:16px 0 22px;
  }
  .mobile-drawer.open{display:block;animation:drawerIn .26s ease;}
  @keyframes drawerIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
  .m-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 16px;
    border-radius:14px;
    color:var(--muted);
    font-weight:600;
    font-size:16px;
    border:1px solid transparent;
    margin-bottom:6px;
  }
  .m-link:hover,.m-link.active{
    color:var(--text);
    background:rgba(255,255,255,.06);
    border-color:var(--border);
  }
  .m-link i{font-size:12px;color:var(--dim);}

  /* ============ buttons ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 26px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
    line-height:1;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
  }
  .btn-primary{
    background:linear-gradient(135deg,#22D3EE,#6366F1,#A855F7);
    color:#04101C;
    box-shadow:var(--glow);
  }
  .btn-primary:hover{
    color:#04101C;
    transform:translateY(-2px);
    filter:brightness(1.08);
    box-shadow:var(--glow-strong);
  }
  .btn-ghost{
    background:var(--glass-soft);
    border-color:rgba(255,255,255,.18);
    color:var(--text);
  }
  .btn-ghost:hover{
    color:var(--text);
    border-color:var(--border-strong);
    background:rgba(255,255,255,.09);
    transform:translateY(-2px);
    box-shadow:0 0 20px rgba(34,211,238,.22);
  }
  .btn-sm{padding:9px 18px;font-size:14px;}
  .btn-block{width:100%;}

  /* ============ badges / tags ============ */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 12px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.01em;
    border:1px solid var(--border);
    background:var(--glass-soft);
    color:var(--muted);
  }
  .badge-cyan{color:#A5F3FC;border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.12);}
  .badge-purple{color:#E9D5FF;border-color:rgba(168,85,247,.4);background:rgba(168,85,247,.12);}
  .badge-lime{color:#D9F99D;border-color:rgba(163,230,53,.35);background:rgba(163,230,53,.12);}
  .tag{
    display:inline-block;
    padding:4px 10px;
    border-radius:8px;
    font-size:12.5px;
    font-weight:600;
    color:var(--muted);
    background:rgba(255,255,255,.05);
    border:1px solid var(--border);
    margin:0 6px 6px 0;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.03em;
    color:#A5F3FC;
    border:1px solid rgba(34,211,238,.35);
    background:rgba(34,211,238,.1);
    margin-bottom:18px;
  }

  /* ============ hero ============ */
  .page-hero{
    position:relative;
    overflow:hidden;
    padding:70px 0 66px;
    border-bottom:1px solid var(--border);
  }
  .hero-bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    opacity:.32;
    transform:scale(1.03);
  }
  .page-hero::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(7,11,22,.72) 0%, rgba(7,11,22,.9) 55%, var(--bg) 100%);
  }
  .hero-inner{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1.35fr .85fr;
    gap:46px;
    align-items:center;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13.5px;
    color:var(--dim);
    margin-bottom:18px;
    flex-wrap:wrap;
  }
  .breadcrumb a{color:var(--dim);}
  .breadcrumb a:hover{color:var(--cyan);}
  .breadcrumb i{font-size:10px;opacity:.7;}
  .breadcrumb span{color:var(--muted);}
  .page-hero h1{
    font-size:clamp(2.1rem,4.4vw,3.5rem);
    font-weight:900;
    margin-bottom:20px;
  }
  .page-hero h1 em{
    font-style:normal;
    background:linear-gradient(120deg,#22D3EE,#A855F7);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .lead{
    font-size:17.5px;
    color:var(--muted);
    line-height:1.9;
    max-width:640px;
    margin-bottom:26px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;}

  .glass{
    background:var(--glass);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border:1px solid var(--border);
    border-radius:var(--radius);
    box-shadow:var(--shadow-md);
  }
  .hero-card{padding:26px 26px 24px;}
  .hero-card h2{
    font-size:17px;
    font-weight:800;
    display:flex;
    align-items:center;
    gap:9px;
    margin-bottom:6px;
  }
  .hero-card h2 i{color:var(--cyan);}
  .hero-card > p{font-size:14px;color:var(--dim);margin-bottom:20px;}
  .hero-facts{display:grid;gap:14px;}
  .fact-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:13px 16px;
    border-radius:var(--radius-sm);
    background:rgba(255,255,255,.04);
    border:1px solid var(--border);
    font-size:14px;
    color:var(--muted);
  }
  .fact-row strong{color:var(--text);font-size:15px;}
  .fact-row i{color:var(--purple);margin-right:8px;}
  .hero-card .btn{margin-top:20px;}

  /* ============ sections ============ */
  .section{padding:74px 0;position:relative;}
  .section-alt{background:linear-gradient(180deg,rgba(11,18,32,.55),rgba(7,11,22,0));border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
  .section-head{max-width:760px;margin-bottom:40px;}
  .section-head h2{
    font-size:clamp(1.6rem,2.8vw,2.35rem);
    font-weight:800;
    margin-bottom:14px;
  }
  .section-head p{color:var(--muted);margin:0;}
  .section-head .eyebrow{margin-bottom:14px;}

  /* ============ filter ============ */
  .filter-bar{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-bottom:34px;
  }
  .filter-tab{
    padding:9px 18px;
    border-radius:999px;
    font-size:14px;
    font-weight:700;
    color:var(--muted);
    background:var(--glass-soft);
    border:1px solid var(--border);
    transition:all .22s ease;
  }
  .filter-tab:hover{color:var(--text);border-color:var(--border-strong);transform:translateY(-2px);}
  .filter-tab.active{
    color:#04101C;
    background:linear-gradient(135deg,var(--cyan),var(--indigo));
    border-color:transparent;
    box-shadow:var(--glow);
  }

  /* ============ guest cards ============ */
  .guest-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:24px;
  }
  .guest-card{
    display:flex;
    flex-direction:column;
    overflow:hidden;
    border-radius:var(--radius);
    background:var(--glass);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
  }
  .guest-card:hover{
    transform:translateY(-6px);
    border-color:var(--border-strong);
    box-shadow:var(--shadow-md),0 0 26px rgba(34,211,238,.22);
  }
  .guest-media{
    position:relative;
    aspect-ratio:4/3;
    overflow:hidden;
    background:linear-gradient(135deg,#0B1220,#111C33);
  }
  .guest-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .5s ease;
  }
  .guest-card:hover .guest-media img{transform:scale(1.06);}
  .guest-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(7,11,22,0) 40%,rgba(7,11,22,.82) 100%);
  }
  .guest-media .badge{position:absolute;top:12px;left:12px;z-index:2;}
  .guest-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
  .guest-body h3{font-size:18px;font-weight:800;margin-bottom:4px;}
  .guest-role{
    font-size:13.5px;
    color:var(--cyan);
    font-weight:600;
    margin-bottom:12px;
  }
  .guest-body p{
    font-size:14.5px;
    color:var(--muted);
    line-height:1.75;
    margin-bottom:16px;
    flex:1;
  }
  .guest-tags{margin:0;}

  /* ============ highlight cards ============ */
  .highlight-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
  }
  .highlight-card{
    overflow:hidden;
    border-radius:var(--radius);
    background:var(--glass);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
  }
  .highlight-card:hover{
    transform:translateY(-6px);
    border-color:var(--border-strong);
    box-shadow:var(--shadow-md),0 0 26px rgba(168,85,247,.22);
  }
  .highlight-media{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
    background:linear-gradient(135deg,#0B1220,#16213C);
  }
  .highlight-media img{width:100%;height:100%;object-fit:cover;}
  .highlight-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(7,11,22,.1),rgba(7,11,22,.72));
  }
  .highlight-body{padding:22px 22px 26px;}
  .highlight-body h3{font-size:19px;font-weight:800;margin:12px 0 10px;}
  .highlight-body p{color:var(--muted);font-size:15px;margin-bottom:14px;}
  .highlight-list li{
    display:flex;
    gap:10px;
    font-size:14.5px;
    color:var(--muted);
    margin-bottom:9px;
  }
  .highlight-list i{color:var(--lime);font-size:12px;margin-top:7px;}

  /* ============ stats ============ */
  .stat-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:20px;
  }
  .stat-item{
    padding:26px 22px;
    border-radius:var(--radius);
    background:var(--glass);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    text-align:left;
    transition:transform .26s ease,border-color .26s ease;
  }
  .stat-item:hover{transform:translateY(-4px);border-color:var(--border-strong);}
  .stat-num{
    font-size:clamp(1.9rem,3.4vw,2.6rem);
    font-weight:900;
    line-height:1.1;
    background:linear-gradient(120deg,#22D3EE,#A855F7);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    margin-bottom:8px;
  }
  .stat-label{font-size:14px;color:var(--muted);font-weight:600;}
  .stat-note{font-size:13px;color:var(--dim);margin-top:6px;}

  /* ============ faq ============ */
  .faq-wrap{max-width:900px;margin:0 auto;}
  .faq-item{
    background:var(--glass);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid var(--border);
    border-radius:18px;
    margin-bottom:14px;
    overflow:hidden;
    transition:border-color .24s ease,box-shadow .24s ease;
  }
  .faq-item:hover{border-color:rgba(34,211,238,.24);}
  .faq-item[open]{
    border-color:var(--border-strong);
    box-shadow:0 0 26px rgba(34,211,238,.16);
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 24px;
    font-size:16.5px;
    font-weight:700;
    color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    flex:0 0 auto;
    width:26px;
    height:26px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    font-size:17px;
    font-weight:700;
    color:var(--cyan);
    border:1px solid rgba(34,211,238,.4);
    background:rgba(34,211,238,.1);
  }
  .faq-item[open] summary::after{content:"−";color:var(--purple);border-color:rgba(168,85,247,.45);background:rgba(168,85,247,.14);}
  .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;}
  .faq-body p{margin-bottom:.7rem;}
  .faq-body p:last-child{margin-bottom:0;}

  /* ============ cta ============ */
  .cta-panel{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius-lg);
    padding:52px 48px;
    background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(168,85,247,.14));
    border:1px solid rgba(34,211,238,.28);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow-md);
    display:grid;
    grid-template-columns:1.4fr .8fr;
    gap:40px;
    align-items:center;
  }
  .cta-panel::before{
    content:"";
    position:absolute;
    width:420px;
    height:420px;
    right:-120px;
    top:-160px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(34,211,238,.28),transparent 68%);
    pointer-events:none;
  }
  .cta-panel h2{font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:800;margin-bottom:14px;position:relative;}
  .cta-panel p{color:var(--muted);position:relative;margin-bottom:0;}
  .cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;}
  .cta-note{
    font-size:13px;
    color:var(--dim);
    text-align:center;
    line-height:1.7;
  }

  /* ============ footer ============ */
  .footer{
    margin-top:70px;
    background:#050912;
    border-top:1px solid var(--border);
    padding:64px 0 26px;
    position:relative;
    z-index:1;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.7fr 1fr 1fr 1.4fr;
    gap:36px;
  }
  .footer-brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:18px;
    font-weight:800;
    color:var(--text);
    margin-bottom:16px;
  }
  .footer p{color:var(--dim);font-size:14.5px;line-height:1.8;}
  .footer h4{font-size:16px;font-weight:800;margin-bottom:18px;color:var(--text);}
  .footer ul li{margin-bottom:11px;}
  .footer ul li a{color:var(--dim);font-size:14.5px;}
  .footer ul li a:hover{color:var(--cyan);}
  .socials{display:flex;gap:10px;}
  .socials a{
    width:38px;
    height:38px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    color:var(--muted);
    background:rgba(255,255,255,.06);
    border:1px solid var(--border);
    transition:all .22s ease;
  }
  .socials a:hover{color:#04101C;background:linear-gradient(135deg,var(--cyan),var(--purple));border-color:transparent;transform:translateY(-2px);}
  .qr-box{
    display:flex;
    align-items:center;
    gap:14px;
  }
  .qr-box div{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:12px 16px;
    border-radius:var(--radius-sm);
    border:1px dashed rgba(148,163,184,.4);
    background:rgba(255,255,255,.04);
    color:var(--dim);
    font-size:13.5px;
  }
  .qr-box i{color:var(--cyan);font-size:18px;}
  .footer-bottom{
    margin-top:44px;
    padding-top:20px;
    border-top:1px solid var(--border);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    flex-wrap:wrap;
    color:var(--dim);
    font-size:13px;
  }
  .footer-bottom a{color:var(--dim);}
  .footer-bottom a:hover{color:var(--cyan);}

  /* ============ responsive ============ */
  @media (max-width:1280px){
    .guest-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  }
  @media (max-width:1024px){
    .nav-menu{display:none;}
    .nav-toggle{display:inline-flex;}
    .hero-inner{grid-template-columns:1fr;gap:34px;}
    .guest-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .highlight-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .cta-panel{grid-template-columns:1fr;padding:40px 32px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .section{padding:60px 0;}
  }
  @media (max-width:768px){
    body{font-size:16px;}
    .brand-text{font-size:16.5px;}
    .page-hero{padding:52px 0 50px;}
    .lead{font-size:16px;}
    .guest-grid{grid-template-columns:1fr;}
    .highlight-grid{grid-template-columns:1fr;}
    .stat-grid{grid-template-columns:1fr 1fr;}
    .container{padding:0 16px;}
  }
  @media (max-width:520px){
    .nav-tools .btn-sm{display:none;}
    .hero-actions .btn{width:100%;}
    .stat-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .cta-panel{padding:32px 22px;}
    .faq-item summary{padding:17px 18px;font-size:15.5px;}
    .faq-body{padding:0 18px 18px;}
    .section{padding:50px 0;}
  }

/* roulang page: category3 */
:root{
  --bg:#070B16;
  --panel:#0B1220;
  --panel-2:#101A2E;
  --glass:rgba(15,23,42,.58);
  --glass-strong:rgba(15,23,42,.80);
  --cyan:#22D3EE;
  --indigo:#6366F1;
  --violet:#A855F7;
  --lime:#A3E635;
  --text:#F8FAFC;
  --muted:#CBD5E1;
  --dim:#94A3B8;
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.08);
  --radius-card:22px;
  --radius-btn:999px;
  --radius-field:14px;
  --shadow-sm:0 12px 30px rgba(0,0,0,.25);
  --shadow-md:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(34,211,238,.45);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -6%, rgba(34,211,238,.15), transparent 62%),
    radial-gradient(800px 540px at 94% 4%, rgba(168,85,247,.15), transparent 64%),
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .25s ease;}
a:hover{color:#67E8F9;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;}
h1{font-size:clamp(2.15rem,4.6vw,3.9rem);font-weight:900;}
h2{font-size:clamp(1.6rem,3vw,2.5rem);font-weight:800;}
h3{font-size:1.3rem;font-weight:700;}
h4{font-size:1.02rem;font-weight:700;}
p{margin:0 0 18px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(34,211,238,.32);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section-tight{padding:48px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:1.02rem;margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.74);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);font-weight:800;font-size:1.04rem;letter-spacing:-.01em;white-space:nowrap;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#22D3EE,#6366F1,#A855F7);
  color:#06121F;font-size:1rem;
  box-shadow:0 0 18px rgba(34,211,238,.45);
}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:999px;
  color:var(--muted);font-size:.94rem;font-weight:500;
  transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.active{color:#fff;background:rgba(34,211,238,.10);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#22D3EE,#A855F7);
  box-shadow:0 0 12px rgba(34,211,238,.85);
}
.nav-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;flex:none;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);cursor:pointer;
  transition:color .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.icon-btn:hover{color:#fff;border-color:rgba(34,211,238,.45);box-shadow:0 0 18px rgba(34,211,238,.25);background:rgba(255,255,255,.07);}
.nav-toggle{display:none;}
.mobile-drawer{display:none;border-top:1px solid var(--line-soft);background:rgba(9,14,26,.96);padding:14px 0 22px;}
.mobile-drawer.open{display:block;animation:drawerIn .28s ease;}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;margin-bottom:6px;
  color:var(--muted);font-weight:500;font-size:.96rem;
  border:1px solid transparent;transition:all .25s ease;
}
.m-link:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line);}
.m-link.active{color:#fff;background:rgba(34,211,238,.10);border-color:rgba(34,211,238,.32);}
.m-link i{font-size:.75rem;opacity:.6;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:.96rem;line-height:1;
  padding:15px 28px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#22D3EE,#6366F1,#A855F7);
  color:#08101F;
  box-shadow:0 0 24px rgba(34,211,238,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(34,211,238,.65);filter:brightness(1.08);color:#050B16;}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(34,211,238,.5);box-shadow:0 0 20px rgba(34,211,238,.28);transform:translateY(-2px);color:#fff;}
.btn-sm{padding:11px 20px;font-size:.88rem;}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  font-size:.78rem;font-weight:700;letter-spacing:.02em;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--muted);
}
.badge-cyan{color:#67E8F9;border-color:rgba(34,211,238,.38);background:rgba(34,211,238,.10);}
.badge-lime{color:#D9F99D;border-color:rgba(163,230,53,.36);background:rgba(163,230,53,.10);}
.badge-violet{color:#E9D5FF;border-color:rgba(168,85,247,.38);background:rgba(168,85,247,.12);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--glass);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-md);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,211,238,.35);
  box-shadow:0 26px 62px rgba(0,0,0,.42),0 0 28px rgba(34,211,238,.20);
}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:56px 0 68px;border-bottom:1px solid var(--line-soft);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(180deg,rgba(7,11,22,.80) 0%,rgba(7,11,22,.92) 58%,#070B16 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 340px at 14% 18%, rgba(34,211,238,.20), transparent 66%),
    radial-gradient(560px 320px at 88% 12%, rgba(168,85,247,.20), transparent 68%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--dim);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:var(--dim);}
.crumb a:hover{color:var(--cyan);}
.crumb span{color:#334155;}
.crumb em{font-style:normal;color:var(--muted);}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:center;}
.hero-copy h1{margin:16px 0 18px;}
.hero-sub{color:var(--muted);font-size:1.06rem;max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:grid;gap:10px;}
.hero-points li{display:flex;align-items:flex-start;gap:10px;color:var(--dim);font-size:.94rem;}
.hero-points i{color:var(--lime);margin-top:6px;font-size:.78rem;}
.hero-card{padding:28px;}
.hero-card-title{font-size:1.1rem;margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.hero-card-title i{color:var(--cyan);}
.info-list{display:grid;gap:2px;margin-bottom:22px;}
.info-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line-soft);
  font-size:.92rem;color:var(--dim);
}
.info-list li:last-child{border-bottom:0;}
.info-list strong{color:var(--text);font-size:.98rem;}
.hero-note{font-size:.82rem;color:#64748B;margin:14px 0 0;line-height:1.7;}

/* ---------- 数据条 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px 24px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .3s ease,border-color .3s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);}
.stat-num{
  display:block;
  font-size:2.05rem;font-weight:900;letter-spacing:-.03em;
  background:linear-gradient(135deg,#67E8F9,#A855F7);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:6px;
}
.stat-label{display:block;color:var(--dim);font-size:.88rem;line-height:1.65;}

/* ---------- 票种卡 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:stretch;}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.plan-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.35);box-shadow:0 26px 60px rgba(0,0,0,.42),0 0 26px rgba(34,211,238,.20);}
.plan-card.featured{
  border-color:rgba(34,211,238,.5);
  box-shadow:0 26px 62px rgba(0,0,0,.45),0 0 34px rgba(34,211,238,.32);
  background:linear-gradient(180deg,rgba(34,211,238,.10),rgba(15,23,42,.62) 42%);
}
.plan-flag{
  position:absolute;top:-13px;right:20px;
  padding:6px 14px;border-radius:999px;
  font-size:.74rem;font-weight:800;letter-spacing:.06em;
  background:linear-gradient(135deg,#22D3EE,#A855F7);
  color:#06121F;
  box-shadow:0 0 20px rgba(34,211,238,.55);
}
.plan-cover{
  height:120px;border-radius:16px;overflow:hidden;margin-bottom:18px;position:relative;
  background:linear-gradient(140deg,rgba(34,211,238,.22),rgba(168,85,247,.22));
}
.plan-cover img{width:100%;height:100%;object-fit:cover;opacity:.86;}
.plan-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,22,.10),rgba(7,11,22,.72));}
.plan-name{font-size:1.18rem;margin-bottom:8px;}
.plan-price{font-size:1.7rem;font-weight:900;letter-spacing:-.02em;color:#fff;line-height:1.2;}
.plan-price small{font-size:.82rem;font-weight:600;color:var(--dim);margin-left:6px;letter-spacing:0;}
.plan-fit{color:var(--dim);font-size:.86rem;margin:10px 0 16px;line-height:1.7;}
.plan-list{display:grid;gap:9px;margin-bottom:22px;flex:1;}
.plan-list li{display:flex;align-items:flex-start;gap:9px;font-size:.9rem;color:var(--muted);line-height:1.7;}
.plan-list i{color:var(--cyan);margin-top:6px;font-size:.72rem;}
.plan-card.featured .plan-list i{color:var(--lime);}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--glass-strong);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-md);
  -webkit-overflow-scrolling:touch;
}
table.compare{width:100%;border-collapse:collapse;min-width:720px;}
table.compare caption{
  text-align:left;padding:22px 26px 6px;color:var(--dim);font-size:.86rem;
}
table.compare th,table.compare td{
  padding:16px 20px;text-align:left;font-size:.92rem;
  border-bottom:1px solid var(--line-soft);
  white-space:nowrap;
}
table.compare thead th{
  color:var(--text);font-weight:700;background:rgba(255,255,255,.04);
  font-size:.9rem;
}
table.compare thead th.hl{
  color:#67E8F9;
  background:rgba(34,211,238,.10);
}
table.compare tbody th{color:var(--muted);font-weight:500;}
table.compare tbody td{color:var(--dim);}
table.compare tbody td.yes{color:#D9F99D;font-weight:600;}
table.compare tbody td.no{color:#3F4A5E;}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:rgba(255,255,255,.035);}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0;}

/* ---------- 图文细则 ---------- */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.detail-media{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
}
.detail-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.detail-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,22,.05),rgba(7,11,22,.62));}
.detail-tag{
  position:absolute;left:20px;bottom:20px;z-index:2;
  padding:8px 16px;border-radius:999px;font-size:.8rem;font-weight:700;
  background:rgba(7,11,22,.72);border:1px solid rgba(34,211,238,.4);color:#67E8F9;
  backdrop-filter:blur(10px);
}
.feature-list{display:grid;gap:16px;margin-top:8px;}
.feature-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:18px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  transition:border-color .28s ease,background .28s ease,transform .28s ease;
}
.feature-item:hover{border-color:rgba(34,211,238,.34);background:rgba(34,211,238,.06);transform:translateY(-3px);}
.feature-icon{
  width:42px;height:42px;flex:none;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(34,211,238,.22),rgba(168,85,247,.22));
  border:1px solid var(--line);color:#67E8F9;
}
.feature-item h4{margin-bottom:6px;}
.feature-item p{margin:0;color:var(--dim);font-size:.9rem;line-height:1.75;}

/* ---------- 报名流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px 22px;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:transform .3s ease,border-color .3s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(168,85,247,.42);}
.step-num{
  display:inline-grid;place-items:center;
  width:40px;height:40px;border-radius:12px;margin-bottom:16px;
  font-weight:900;font-size:1rem;color:#06121F;
  background:linear-gradient(135deg,#22D3EE,#A855F7);
  box-shadow:0 0 20px rgba(34,211,238,.4);
}
.step-card h3{font-size:1.06rem;margin-bottom:8px;}
.step-card p{color:var(--dim);font-size:.9rem;margin:0;line-height:1.75;}

/* ---------- 表单 ---------- */
.form-panel{
  background:linear-gradient(180deg,rgba(34,211,238,.08),rgba(15,23,42,.72) 34%);
  border:1px solid var(--line);
  border-radius:26px;
  padding:36px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow-md);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:9px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:.88rem;font-weight:600;color:var(--muted);}
.field label .req{color:var(--violet);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  padding:14px 16px;
  border-radius:var(--radius-field);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  outline:none;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field textarea{min-height:118px;resize:vertical;line-height:1.75;}
.field input::placeholder,.field textarea::placeholder{color:#5B6779;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#94A3B8 50%),linear-gradient(135deg,#94A3B8 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field select option{background:#0B1220;color:#F8FAFC;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--cyan);
  background:rgba(34,211,238,.07);
  box-shadow:0 0 0 3px rgba(34,211,238,.16),0 0 20px rgba(34,211,238,.25);
}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:26px;}
.form-hint{color:#64748B;font-size:.84rem;margin:0;line-height:1.7;}
.form-msg{
  display:none;margin-top:20px;padding:14px 18px;border-radius:14px;
  font-size:.9rem;font-weight:600;
  background:rgba(163,230,53,.10);
  border:1px solid rgba(163,230,53,.38);
  color:#D9F99D;
}
.form-msg.show{display:block;}
.form-msg.err{background:rgba(168,85,247,.12);border-color:rgba(168,85,247,.42);color:#E9D5FF;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .28s ease,box-shadow .28s ease;
}
.faq-item:hover{border-color:rgba(34,211,238,.3);}
.faq-item.open{border-color:rgba(34,211,238,.42);box-shadow:0 0 26px rgba(34,211,238,.16);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  color:var(--text);font-size:1rem;font-weight:700;text-align:left;line-height:1.6;
}
.faq-q i{color:var(--cyan);font-size:.9rem;transition:transform .3s ease;flex:none;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px;margin:0;color:var(--dim);font-size:.93rem;line-height:1.85;}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:28px;
  border:1px solid rgba(34,211,238,.28);
  background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(99,102,241,.12) 48%,rgba(168,85,247,.16));
  padding:52px 44px;
  text-align:center;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 26px 70px rgba(0,0,0,.45);
}
.cta-panel::after{
  content:"";position:absolute;width:460px;height:460px;right:-140px;top:-190px;
  background:radial-gradient(circle,rgba(34,211,238,.30),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{margin-bottom:14px;}
.cta-panel p{color:var(--muted);max-width:660px;margin:0 auto 30px;font-size:1rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(11,18,32,.86),#05080F 70%);
  padding:66px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:38px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.02rem;margin-bottom:16px;}
.site-footer p{color:var(--dim);font-size:.9rem;line-height:1.8;}
.site-footer h4{color:#fff;margin-bottom:16px;font-size:.95rem;}
.site-footer ul{display:grid;gap:10px;}
.site-footer ul a{color:var(--dim);font-size:.9rem;}
.site-footer ul a:hover{color:var(--cyan);}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--dim);
  transition:all .25s ease;
}
.socials a:hover{color:#fff;border-color:rgba(34,211,238,.45);box-shadow:0 0 18px rgba(34,211,238,.25);transform:translateY(-2px);}
.qr-box{display:flex;gap:12px;}
.qr-box > div{
  width:100%;
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:16px;
  border:1px dashed rgba(34,211,238,.35);
  background:rgba(34,211,238,.06);
  color:#67E8F9;font-size:.86rem;font-weight:600;
}
.qr-box i{font-size:1.5rem;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding:22px 0;
  border-top:1px solid var(--line-soft);
  color:#64748B;font-size:.84rem;
}
.footer-bottom a{color:#94A3B8;}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-menu{display:none;}
  .nav-toggle{display:grid;}
  .plan-grid{grid-template-columns:repeat(2,1fr);}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .detail-grid{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-tight{padding:40px 0;}
  .page-hero{padding:38px 0 52px;}
  .container{padding:0 18px;}
  .nav-inner{height:64px;gap:14px;}
  .brand-text{font-size:.96rem;}
  .form-grid{grid-template-columns:1fr;}
  .form-panel{padding:24px 20px;}
  .cta-panel{padding:38px 22px;}
  .nav-tools .btn-sm{display:none;}
}
@media (max-width:560px){
  h1{font-size:clamp(1.85rem,8vw,2.4rem);}
  .stat-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category4 */
:root{
  --bg:#070B16;
  --panel:#0B1220;
  --cyan:#22D3EE;
  --violet:#A855F7;
  --lime:#A3E635;
  --indigo:#6366F1;
  --text:#F8FAFC;
  --muted:#CBD5E1;
  --weak:#94A3B8;
  --line:rgba(255,255,255,.12);
  --glass:rgba(15,23,42,.58);
  --radius:22px;
  --radius-sm:14px;
  --shadow-sm:0 12px 30px rgba(0,0,0,.25);
  --shadow-md:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(34,211,238,.45);
  --glow-strong:0 0 36px rgba(34,211,238,.65);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(760px 520px at 12% -6%, rgba(34,211,238,.18), transparent 62%),
    radial-gradient(700px 520px at 92% 4%, rgba(168,85,247,.16), transparent 64%),
    repeating-linear-gradient(to right, rgba(148,163,184,.055) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(to bottom, rgba(148,163,184,.055) 0 1px, transparent 1px 72px);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .25s ease,opacity .25s ease;}
a:hover{color:#67E8F9;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;}
p{margin:0 0 1.1rem;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
.section{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--cyan);
  padding:6px 14px;border-radius:999px;
  background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.28);
  margin-bottom:16px;
}
.section-title{font-size:clamp(1.6rem,3vw,2.6rem);font-weight:800;}
.section-sub{color:var(--muted);font-size:16px;margin-top:12px;margin-bottom:0;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,22,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text);font-weight:800;font-size:18px;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--indigo),var(--violet));
  color:#06121F;font-size:16px;
  box-shadow:var(--glow);
}
.brand-text{white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:999px;
  color:var(--muted);font-size:15px;position:relative;white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
  box-shadow:0 0 12px rgba(34,211,238,.8);
}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--muted);cursor:pointer;transition:all .25s ease;
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(34,211,238,.45);box-shadow:var(--glow);}
.icon-btn:focus-visible,.btn:focus-visible,.nav-link:focus-visible,.m-link:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;
}
.nav-toggle{display:none;}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(9,14,26,.96);backdrop-filter:blur(18px);
  padding:12px 0 20px;
}
.mobile-drawer.open{display:block;}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:14px;color:var(--muted);font-size:15px;
  border:1px solid transparent;margin-bottom:4px;
}
.m-link:hover,.m-link.active{color:var(--text);background:rgba(255,255,255,.06);border-color:var(--line);}
.m-link i{font-size:12px;color:var(--weak);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;
  padding:12px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--indigo),var(--violet));
  color:#04121F;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-strong);color:#04121F;}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text);border-color:rgba(255,255,255,.18);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(34,211,238,.5);color:var(--text);box-shadow:var(--glow);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,11,22,.72),rgba(7,11,22,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .9fr;gap:42px;align-items:center;}
.hero h1{font-size:clamp(2rem,4.2vw,3.5rem);font-weight:900;margin-bottom:18px;}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted);font-size:17px;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:20px;}
.breadcrumb a{color:var(--weak);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{opacity:.5;}
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-md);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:24px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-md),var(--glow);}
.hero-panel-title{font-size:15px;color:var(--weak);display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px rgba(163,230,53,.9);}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.10);font-size:15px;}
.panel-row:last-child{border-bottom:none;padding-bottom:0;}
.panel-row span:first-child{color:var(--weak);}
.panel-row strong{color:var(--text);font-weight:700;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--muted);
}
.badge-cyan{color:#67E8F9;border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.10);}
.badge-lime{color:#BEF264;border-color:rgba(163,230,53,.35);background:rgba(163,230,53,.10);}
.badge-violet{color:#D8B4FE;border-color:rgba(168,85,247,.35);background:rgba(168,85,247,.10);}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{padding:22px;border-radius:var(--radius-sm);background:rgba(15,23,42,.52);border:1px solid var(--line);}
.stat strong{display:block;font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;background:linear-gradient(120deg,#F8FAFC,#67E8F9);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{display:block;color:var(--weak);font-size:13.5px;margin-top:6px;}

/* ---------- grids & cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.topic-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.topic-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-md),var(--glow);}
.topic-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel);}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.92;}
.topic-card:hover .topic-media img{transform:scale(1.05);}
.topic-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,22,.05),rgba(7,11,22,.72));}
.topic-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-body h3{font-size:1.2rem;font-weight:700;}
.topic-body p{color:var(--muted);font-size:14.6px;line-height:1.8;margin:0;}
.topic-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--weak);margin-top:auto;padding-top:8px;}

/* ---------- featured ---------- */
.featured-wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:stretch;}
.feature-main{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:380px;display:flex;align-items:flex-end;box-shadow:var(--shadow-md);}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6;}
.feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(7,11,22,.15),rgba(7,11,22,.94));}
.feature-main .feature-content{position:relative;z-index:2;padding:30px;}
.feature-main h3{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:800;margin:14px 0 10px;}
.feature-main p{color:var(--muted);margin-bottom:0;font-size:15px;}
.feature-side{display:flex;flex-direction:column;gap:16px;}
.feature-item{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.feature-item:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-sm),var(--glow);}
.feature-num{
  flex-shrink:0;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#06121F;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}
.feature-item h4{font-size:1.02rem;font-weight:700;margin-bottom:6px;}
.feature-item p{color:var(--muted);font-size:14px;margin:0;line-height:1.75;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step{
  background:rgba(15,23,42,.5);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:24px 22px;position:relative;transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.step:hover{border-color:rgba(34,211,238,.35);transform:translateY(-4px);box-shadow:var(--shadow-sm),var(--glow);}
.step-index{font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:.1em;}
.step h3{font-size:1.08rem;font-weight:700;margin:12px 0 8px;}
.step p{color:var(--muted);font-size:14.4px;margin:0;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease;}
.faq-item.open{border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-sm),var(--glow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:none;color:var(--text);text-align:left;
  font-size:16.5px;font-weight:700;padding:20px 22px;cursor:pointer;
}
.faq-q i{color:var(--cyan);font-size:14px;transition:transform .3s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA / form ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:28px;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(168,85,247,.14)),rgba(11,18,32,.82);
  box-shadow:var(--shadow-md);
  padding:46px 42px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:38px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.30),transparent 65%);
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:800;margin-bottom:14px;}
.cta-panel p{color:var(--muted);margin-bottom:20px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;}
.form-card{position:relative;z-index:2;background:rgba(7,11,22,.55);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);font-size:14.6px;font-family:inherit;outline:none;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#64748B;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.16);background:rgba(255,255,255,.07);
}
.field select option{background:#0B1220;color:var(--text);}
.form-note{font-size:13px;color:var(--weak);margin:12px 0 0;}
.form-success{
  display:none;font-size:14px;color:#BEF264;background:rgba(163,230,53,.10);
  border:1px solid rgba(163,230,53,.35);border-radius:var(--radius-sm);padding:12px 14px;margin-top:14px;
}
.form-success.show{display:block;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:40px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(7,11,22,.98));
  padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;margin-bottom:14px;}
.site-footer p{color:var(--muted);font-size:14.4px;line-height:1.85;}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul li a{color:var(--weak);font-size:14.4px;}
.site-footer ul li a:hover{color:var(--cyan);}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted);
}
.socials a:hover{color:var(--cyan);border-color:rgba(34,211,238,.45);box-shadow:var(--glow);}
.qr-box{
  display:flex;align-items:center;gap:12px;padding:14px;
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--radius-sm);
  color:var(--weak);font-size:14px;
}
.qr-box i{font-size:26px;color:var(--cyan);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--weak);font-size:13.4px;
}
.footer-bottom a{color:var(--weak);}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-menu{display:none;}
  .nav-toggle{display:grid;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .featured-wrap{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;padding:36px 28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .brand-text{font-size:16px;}
  .hero{padding:44px 0 56px;}
  .grid-2{grid-template-columns:1fr;}
  .feature-main{min-height:300px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .grid-4,.grid-3,.stats,.steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions .btn{width:100%;}
  .cta-panel{padding:28px 20px;border-radius:22px;}
  .form-card{padding:20px;}
  .faq-q{font-size:15.4px;padding:17px 16px;}
  .faq-a p{padding:0 16px 18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category5 */
:root{
  --bg:#070B16;
  --panel:#0B1220;
  --panel-glass:rgba(15,23,42,.58);
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(34,211,238,.35);
  --text:#F8FAFC;
  --text-2:#CBD5E1;
  --text-3:#94A3B8;
  --cyan:#22D3EE;
  --violet:#A855F7;
  --lime:#A3E635;
  --radius-card:22px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-sm:0 12px 30px rgba(0,0,0,.25);
  --shadow-md:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(34,211,238,.45);
  --glow-strong:0 0 36px rgba(34,211,238,.65);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body.site-body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 8% -10%, rgba(34,211,238,.18), transparent 62%),
    radial-gradient(780px 540px at 94% 2%, rgba(168,85,247,.16), transparent 60%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:100% 100%, 100% 100%, 68px 68px, 68px 68px;
  background-attachment:fixed, fixed, fixed, fixed;
  -webkit-font-smoothing:antialiased;
}
body.site-body h1,
body.site-body h2,
body.site-body h3,
body.site-body h4{
  margin:0 0 14px;
  letter-spacing:-.02em;
  line-height:1.28;
  color:var(--text);
}
body.site-body h1{font-size:clamp(2.05rem,4.4vw,3.5rem);font-weight:900;}
body.site-body h2{font-size:clamp(1.55rem,2.8vw,2.4rem);font-weight:800;}
body.site-body h3{font-size:1.28rem;font-weight:700;}
body.site-body h4{font-size:1.06rem;font-weight:700;}
body.site-body p{margin:0 0 18px;color:var(--text-2);}
body.site-body a{color:var(--cyan);text-decoration:none;transition:color .25s var(--ease),opacity .25s var(--ease);}
body.site-body a:hover{color:#67E8F9;}
body.site-body ul,body.site-body ol{margin:0;padding:0;list-style:none;}
body.site-body img{max-width:100%;display:block;}
body.site-body button{font-family:inherit;}
body.site-body :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,22,.84);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.site-header .container{position:relative;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--text);font-weight:800;font-size:1.06rem;letter-spacing:.01em;white-space:nowrap;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--cyan),#6366F1 55%,var(--violet));
  color:#050914;
  font-size:1rem;
  box-shadow:0 0 20px rgba(34,211,238,.4);
}
.brand-text{background:linear-gradient(90deg,#F8FAFC,#BAE6FD);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav-menu{display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:var(--radius-pill);
  font-size:.95rem;
  font-weight:500;
  color:var(--text-2);
  transition:background .25s var(--ease),color .25s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.active{color:#fff;font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
  box-shadow:var(--glow);
}
.nav-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
  cursor:pointer;
  transition:all .25s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:var(--line-strong);background:rgba(34,211,238,.12);box-shadow:var(--glow);}
.nav-toggle{display:none;}

.mobile-drawer{
  display:none;
  max-height:0;
  overflow:hidden;
  border-top:1px solid transparent;
  transition:max-height .38s var(--ease);
  background:rgba(9,14,26,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.mobile-drawer.open{max-height:560px;border-top-color:var(--line);}
.mobile-drawer .container{padding-top:14px;padding-bottom:20px;}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;margin-bottom:8px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:.98rem;
  font-weight:500;
}
.m-link:hover{color:#fff;border-color:var(--line-strong);}
.m-link.active{color:#fff;border-color:var(--line-strong);background:rgba(34,211,238,.12);}
.m-link i{font-size:.78rem;color:var(--text-3);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:.97rem;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:.88rem;}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),#6366F1 52%,var(--violet));
  color:#050914;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-strong);color:#050914;filter:brightness(1.06);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(255,255,255,.09);box-shadow:var(--glow);color:#fff;}
.btn-wide{width:100%;}

/* ===== 徽章与标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(34,211,238,.1);
  color:#A5F3FC;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-violet{background:rgba(168,85,247,.12);border-color:rgba(168,85,247,.3);color:#E9D5FF;}
.badge-lime{background:rgba(163,230,53,.12);border-color:rgba(163,230,53,.3);color:#D9F99D;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:.78rem;
}

/* ===== 玻璃卡片 ===== */
.glass-card{
  position:relative;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--panel-glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-md);
  padding:26px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md),var(--glow);}
.card-title{font-size:1.16rem;font-weight:800;margin-bottom:10px;}
.card-text{color:var(--text-2);font-size:.95rem;margin-bottom:0;}
.card-icon{
  width:46px;height:46px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  margin-bottom:16px;
  font-size:1.05rem;
  color:#050914;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  box-shadow:0 0 20px rgba(34,211,238,.32);
}

/* ===== 布局网格 ===== */
.layout-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.layout-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.layout-grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.layout-hero{display:grid;grid-template-columns:1.35fr .9fr;gap:40px;align-items:center;}
.layout-faq{display:grid;grid-template-columns:.85fr 1.3fr;gap:44px;align-items:start;}
.layout-form{display:grid;grid-template-columns:1.25fr .88fr;gap:32px;align-items:start;}

/* ===== Hero ===== */
.hero-help{
  position:relative;
  overflow:hidden;
  padding:58px 0 54px;
  background-image:
    linear-gradient(180deg, rgba(7,11,22,.76), rgba(7,11,22,.95)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-help::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(620px 380px at 82% 12%, rgba(34,211,238,.16), transparent 68%);
  pointer-events:none;
}
.hero-help .container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:.85rem;color:var(--text-3);margin-bottom:24px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{color:#334155;}
.breadcrumb .current{color:var(--text-2);}
.hero-help h1{margin:18px 0 20px;max-width:16em;}
.hero-lead{font-size:1.06rem;color:var(--text-2);max-width:44em;line-height:1.9;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:26px;}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:.9rem;color:var(--text-2);}
.hero-points i{color:var(--cyan);font-size:.82rem;}

.hero-side{padding:20px;}
.hero-side .thumb{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  margin-bottom:20px;
  border:1px solid var(--line);
}
.hero-side .thumb img{width:100%;height:190px;object-fit:cover;filter:brightness(.82) saturate(1.05);}
.hero-side .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,22,.1),rgba(7,11,22,.72));}
.hero-side dl{margin:0;display:grid;gap:14px;}
.hero-side dt{font-size:.78rem;color:var(--text-3);letter-spacing:.04em;}
.hero-side dd{margin:3px 0 0;font-size:1rem;font-weight:700;color:var(--text);}
.hero-side .row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:1px dashed rgba(255,255,255,.09);padding-bottom:12px;}
.hero-side .row:last-child{border-bottom:0;padding-bottom:0;}

/* ===== 板块 ===== */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:56em;margin-bottom:38px;}
.section-lead{font-size:1rem;color:var(--text-2);margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:700;letter-spacing:.14em;
  color:var(--cyan);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}

.stat-value{font-size:1.75rem;font-weight:900;color:#fff;letter-spacing:-.02em;margin-bottom:6px;}
.stat-label{font-size:.82rem;color:var(--text-3);margin:0;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;}
.faq-item{
  border-radius:18px;
  border:1px solid var(--line);
  background:rgba(15,23,42,.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item:hover{border-color:rgba(34,211,238,.24);}
.faq-item.open{border-color:var(--line-strong);box-shadow:var(--shadow-sm),0 0 26px rgba(34,211,238,.18);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  background:none;border:0;
  color:var(--text);
  font-size:1.02rem;font-weight:700;
  text-align:left;
  cursor:pointer;
}
.faq-q span{flex:1;}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--cyan);
  font-size:.72rem;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:rgba(34,211,238,.16);color:#A5F3FC;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease);}
.faq-a-inner{padding:0 22px 20px;color:var(--text-2);font-size:.95rem;line-height:1.85;}

/* ===== 表单 ===== */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:.85rem;font-weight:600;color:var(--text-2);}
.field .hint{font-size:.76rem;color:var(--text-3);}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:12px 15px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:.95rem;
  font-family:inherit;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.field textarea{min-height:130px;resize:vertical;line-height:1.8;}
.field input::placeholder,
.field textarea::placeholder{color:#64748B;}
.field select option{background:#0B1220;color:#F8FAFC;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--cyan);
  background:rgba(255,255,255,.08);
  box-shadow:0 0 0 3px rgba(34,211,238,.16),var(--glow);
}
.form-note{
  display:flex;align-items:flex-start;gap:10px;
  padding:13px 16px;margin-bottom:20px;
  border-radius:var(--radius-sm);
  font-size:.9rem;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
}
.form-note-ok{color:#D9F99D;border-color:rgba(163,230,53,.32);background:rgba(163,230,53,.1);}
.form-note-error{color:#E9D5FF;border-color:rgba(168,85,247,.34);background:rgba(168,85,247,.12);}
.checkline{display:flex;align-items:flex-start;gap:11px;font-size:.86rem;color:var(--text-3);}
.checkline input{width:18px;height:18px;margin-top:3px;accent-color:var(--cyan);}

/* ===== 支持渠道卡片 ===== */
.channel-card{padding:0;overflow:hidden;}
.channel-card .cover{position:relative;height:158px;overflow:hidden;}
.channel-card .cover img{width:100%;height:100%;object-fit:cover;filter:brightness(.8);transition:transform .5s var(--ease);}
.channel-card:hover .cover img{transform:scale(1.05);}
.channel-card .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,22,.05),rgba(11,18,32,.92));}
.channel-card .body{padding:20px 22px 24px;}
.channel-card .body h3{font-size:1.08rem;margin-bottom:9px;}
.channel-card .body p{font-size:.9rem;color:var(--text-2);margin-bottom:14px;}
.channel-card .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.8rem;color:var(--text-3);}

/* ===== CTA ===== */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  border:1px solid rgba(34,211,238,.24);
  background:linear-gradient(135deg, rgba(15,23,42,.9), rgba(11,18,32,.86));
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  padding:52px 44px;
  text-align:center;
  box-shadow:var(--shadow-md);
}
.cta-panel::before{
  content:"";
  position:absolute;inset:-40% -10% auto -10%;height:80%;
  background:radial-gradient(520px 260px at 50% 0%, rgba(34,211,238,.22), transparent 70%);
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px;}
.cta-meta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:22px;font-size:.85rem;color:var(--text-3);}

/* ===== 信息列表 ===== */
.info-list{display:grid;gap:14px;}
.info-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:15px 17px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
}
.info-item i{color:var(--cyan);margin-top:5px;font-size:.85rem;}
.info-item strong{display:block;font-size:.95rem;color:var(--text);margin-bottom:3px;}
.info-item span{font-size:.85rem;color:var(--text-3);}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:20px;
  border-top:1px solid var(--line);
  background:rgba(8,13,24,.92);
  padding:60px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px;}
.footer-brand{display:inline-flex;align-items:center;gap:11px;font-size:1.06rem;font-weight:800;color:var(--text);margin-bottom:16px;}
.site-footer p{font-size:.9rem;color:var(--text-3);line-height:1.85;margin-bottom:0;}
.site-footer h4{font-size:.98rem;color:#E2E8F0;margin-bottom:16px;}
.site-footer ul{display:grid;gap:11px;}
.site-footer ul a{font-size:.9rem;color:var(--text-3);}
.site-footer ul a:hover{color:var(--cyan);}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
  font-size:.86rem;
  transition:all .25s var(--ease);
}
.socials a:hover{color:#fff;border-color:var(--line-strong);box-shadow:var(--glow);}
.qr-box{
  display:inline-flex;align-items:center;gap:12px;
  padding:12px 16px;
  border-radius:var(--radius-sm);
  border:1px dashed rgba(255,255,255,.2);
  background:rgba(255,255,255,.04);
  font-size:.85rem;
  color:var(--text-2);
}
.qr-box i{font-size:1.4rem;color:var(--cyan);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:.83rem;
  color:#64748B;
}
.footer-bottom a{color:#94A3B8;}
.footer-bottom a:hover{color:var(--cyan);}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-drawer{display:block;}
  .layout-hero{grid-template-columns:1fr;gap:30px;}
  .layout-faq{grid-template-columns:1fr;gap:30px;}
  .layout-form{grid-template-columns:1fr;gap:26px;}
  .layout-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .layout-grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .section{padding:62px 0;}
}
@media (max-width:768px){
  .nav-tools .icon-btn:not(.nav-toggle){display:none;}
  .nav-tools .btn-primary{margin-left:auto;}
  .hero-help{padding:42px 0 40px;}
  .hero-help h1{font-size:clamp(1.8rem,7vw,2.4rem);}
  .cta-panel{padding:38px 22px;border-radius:22px;}
  .glass-card{padding:20px;}
  .layout-grid-2{grid-template-columns:1fr;}
  .layout-grid-3{grid-template-columns:1fr;}
  .layout-grid-4{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand{font-size:.98rem;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;}
  .nav-tools .btn-primary{padding:8px 14px;font-size:.82rem;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section{padding:50px 0;}
}