/* roulang page: index */
:root{
  --bg:#070C14;
  --panel:#0B1322;
  --panel-2:#0E1728;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --cyan:#35E0C8;
  --indigo:#7C8CFF;
  --amber:#FFB347;
  --ink:#E8EEF7;
  --muted:#9AA9BF;
  --dim:#64748B;
  --r-sm:8px;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --glow:0 8px 24px rgba(53,224,200,.35);
  --glow-hover:0 12px 34px rgba(53,224,200,.5);
  --inner:inset 0 1px 0 rgba(255,255,255,.06);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.75;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 6% -6%, rgba(53,224,200,.12), transparent 62%),
    radial-gradient(1000px 720px at 102% 4%, rgba(124,140,255,.12), transparent 64%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto, auto, 32px 32px, 32px 32px;
  background-attachment:fixed, fixed, fixed, fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:750;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sec{padding:104px 0;}
.sec-sm{padding:72px 0;}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{font-size:28px;margin-bottom:12px;}
.sec-head p{color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);}
.divider-glow{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.55),rgba(124,140,255,.45),transparent);
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  background:rgba(7,12,20,.76);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.6),rgba(124,140,255,.5),transparent);
  opacity:.85;
}
.site-header.is-scrolled{background:rgba(7,12,20,.9);box-shadow:0 10px 30px rgba(0,0,0,.5);}
.brand-row{
  height:72px;display:flex;align-items:center;gap:20px;
  transition:height .25s ease;
}
.site-header.is-scrolled .brand-row{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(53,224,200,.28),rgba(124,140,255,.28));
  border:1px solid rgba(53,224,200,.45);
  box-shadow:0 0 18px rgba(53,224,200,.25);
  font-weight:800;font-size:14px;color:var(--cyan);letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text b{font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.brand-text span{font-size:11px;color:var(--dim);letter-spacing:.06em;white-space:nowrap;}
.brand-note{
  font-size:12px;color:var(--dim);padding-left:16px;margin-left:4px;
  border-left:1px solid var(--line);white-space:nowrap;
}
.search-box{
  flex:1;max-width:340px;margin-left:auto;position:relative;
}
.search-box input{
  width:100%;height:38px;border-radius:var(--r-btn);
  background:var(--panel-2);border:1px solid var(--line);
  padding:0 14px 0 36px;font-size:13px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--dim);}
.search-box input:focus{
  outline:none;border-color:rgba(53,224,200,.7);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);opacity:.5;}
.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.link-quiet{font-size:13px;color:var(--muted);transition:color .2s ease;}
.link-quiet:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:0 20px;height:42px;font-size:14px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .2s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),#2BB9CE 70%,var(--indigo));
  color:#04140F;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow-hover);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(53,224,200,.3);}
.btn-ghost{
  background:var(--glass);border-color:var(--line-strong);color:var(--ink);
  box-shadow:var(--inner);
}
.btn-ghost:hover{
  transform:translateY(-1px);border-color:rgba(53,224,200,.55);
  background:rgba(53,224,200,.08);color:#EFFFFC;
}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:34px;padding:0 14px;font-size:13px;}
.btn-block{width:100%;}

.channel-row{
  border-top:1px solid var(--line);
  display:flex;align-items:center;gap:6px;
  height:50px;overflow-x:auto;scrollbar-width:none;
}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-sm);
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.channel-link:hover{color:var(--ink);background:rgba(255,255,255,.05);}
.channel-link.is-active{color:var(--ink);background:rgba(53,224,200,.10);}
.channel-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  border-radius:2px;background:var(--cyan);box-shadow:0 0 10px rgba(53,224,200,.8);
}
.channel-tag{
  font-size:11px;color:var(--cyan);border:1px solid rgba(53,224,200,.35);
  border-radius:6px;padding:1px 6px;background:rgba(53,224,200,.08);
}
.burger{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--line);
  align-items:center;justify-content:center;
}
.burger span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);
}
.burger span::before{top:-5px;}
.burger span::after{top:5px;}
.mobile-drawer{
  display:none;padding:14px 0 18px;border-top:1px solid var(--line);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:11px 4px;font-size:15px;color:var(--muted);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-drawer a:last-child{border-bottom:0;}
.mobile-drawer a:hover{color:var(--cyan);}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:88px 0 96px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.28;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(700px 420px at 18% 20%, rgba(53,224,200,.16), transparent 62%),
    radial-gradient(760px 480px at 88% 78%, rgba(124,140,255,.16), transparent 66%),
    linear-gradient(180deg, rgba(7,12,20,.72), rgba(7,12,20,.96));
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.1fr .82fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:44px;line-height:1.2;margin:14px 0 16px;
  letter-spacing:-.02em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),var(--indigo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:12px;
}
.trust-item{
  flex:1 1 150px;min-width:140px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px 16px;box-shadow:var(--inner);
}
.trust-item b{display:block;font-size:22px;color:var(--cyan);letter-spacing:-.02em;}
.trust-item span{font-size:12.5px;color:var(--muted);}

.status-panel{
  position:relative;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow),var(--inner);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.status-panel::before{
  content:"";position:absolute;inset:-1px;border-radius:var(--r-lg);pointer-events:none;
  background:conic-gradient(from 140deg, rgba(53,224,200,.55), rgba(124,140,255,.35), transparent 55%, rgba(53,224,200,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  padding:1px;opacity:.85;
}
.status-head{display:flex;align-items:center;gap:10px;margin-bottom:20px;}
.status-dot{
  width:9px;height:9px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(53,224,200,.14);
  animation:breathe 1.9s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.82);}
}
.status-head b{font-size:15px;}
.status-ok{
  margin-left:auto;font-size:12px;color:var(--cyan);
  border:1px solid rgba(53,224,200,.35);background:rgba(53,224,200,.1);
  border-radius:6px;padding:2px 8px;
}
.status-label{font-size:12.5px;color:var(--muted);margin-bottom:8px;}
.progress{
  height:8px;border-radius:6px;background:rgba(255,255,255,.07);overflow:hidden;
}
.progress span{
  display:block;height:100%;border-radius:6px;
  background:linear-gradient(90deg,var(--cyan),var(--indigo));
  box-shadow:0 0 14px rgba(53,224,200,.5);
}
.status-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--dim);margin-top:8px;}
.status-rows{margin-top:20px;border-top:1px solid var(--line);padding-top:6px;}
.status-rows .row{
  display:flex;justify-content:space-between;align-items:center;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.07);font-size:13.5px;
}
.status-rows .row:last-child{border-bottom:0;}
.status-rows .row span{color:var(--muted);}
.status-rows .row b{color:var(--ink);font-variant-numeric:tabular-nums;}

/* ---------- channel entries ---------- */
.entry-strip{display:flex;flex-wrap:wrap;gap:14px;}
.entry-pill{
  display:flex;align-items:center;gap:10px;
  padding:14px 20px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  font-size:14px;color:var(--muted);box-shadow:var(--inner);
  transition:transform .18s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.entry-pill:hover{
  transform:translateY(-2px);color:var(--ink);
  border-color:rgba(53,224,200,.5);background:rgba(53,224,200,.07);
}
.entry-pill i{
  font-style:normal;font-size:12px;color:var(--cyan);
  background:rgba(53,224,200,.1);border:1px solid rgba(53,224,200,.3);
  border-radius:6px;padding:1px 7px;
}

/* ---------- cards ---------- */
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow),var(--inner);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.35);}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;padding:2px 9px;border-radius:6px;
  color:var(--cyan);background:rgba(53,224,200,.1);
  border:1px solid rgba(53,224,200,.3);
}
.badge-amber{
  color:var(--amber);background:rgba(255,179,71,.1);
  border-color:rgba(255,179,71,.35);
}
.tag-sm{font-size:12px;color:var(--dim);}

/* ---------- content list ---------- */
.post-grid{
  display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:24px;
}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow),var(--inner);
  transition:transform .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.35);}
.post-cover{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;background:var(--panel-2);
}
.post-card.is-lead .post-cover{aspect-ratio:16/8;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{
  font-size:17px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card.is-lead .post-title{font-size:19px;}
.post-desc{
  font-size:13.6px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;gap:12px;
  padding-top:12px;border-top:1px solid rgba(255,255,255,.07);
  font-size:12.5px;color:var(--dim);font-variant-numeric:tabular-nums;
}
.empty-state{
  grid-column:1/-1;text-align:center;
  padding:56px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px dashed var(--line-strong);
}
.empty-state .ico{
  width:48px;height:48px;margin:0 auto 14px;border-radius:14px;
  display:grid;place-items:center;color:var(--cyan);
  background:rgba(53,224,200,.08);border:1px solid rgba(53,224,200,.3);
  font-size:20px;
}
.empty-state p{color:var(--muted);margin-bottom:18px;}

/* ---------- compare table ---------- */
.table-wrap{
  overflow-x:auto;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  box-shadow:var(--shadow),var(--inner);
}
table.compare{width:100%;border-collapse:collapse;min-width:760px;}
table.compare th,table.compare td{
  text-align:center;padding:0 16px;height:56px;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:14px;
}
table.compare thead th{
  position:sticky;top:0;z-index:3;
  background:rgba(11,19,34,.94);backdrop-filter:blur(10px);
  font-size:13px;letter-spacing:.06em;color:var(--muted);
  height:60px;font-weight:600;
}
table.compare tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
table.compare tbody tr:hover{background:rgba(53,224,200,.05);}
table.compare th:first-child,table.compare td:first-child{
  text-align:left;width:220px;color:var(--muted);
  position:sticky;left:0;background:rgba(11,19,34,.96);z-index:2;
}
table.compare thead th:first-child{z-index:4;}
.col-rec{background:rgba(53,224,200,.06);position:relative;}
.col-rec::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  border-left:1px solid rgba(53,224,200,.4);border-right:1px solid rgba(53,224,200,.4);
}
thead .col-rec{box-shadow:inset 0 2px 0 rgba(53,224,200,.7);}
.tier-name{display:block;font-size:14px;color:var(--ink);font-weight:700;}
.tier-note{display:block;font-size:11.5px;color:var(--dim);letter-spacing:.02em;}
.mark-yes{
  display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;
  background:rgba(53,224,200,.16);color:var(--cyan);font-size:12px;font-weight:700;
  border:1px solid rgba(53,224,200,.4);
}
.mark-no{color:var(--dim);font-size:15px;}

/* ---------- tier cards ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:stretch;}
.tier-card{
  display:flex;flex-direction:column;gap:16px;
  padding:26px 22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow),var(--inner);
  transition:transform .2s ease,border-color .2s ease;
}
.tier-card:hover{border-color:rgba(53,224,200,.35);transform:translateY(-2px);}
.tier-card.is-rec{
  transform:scale(1.04);
  border-color:rgba(53,224,200,.55);
  background:linear-gradient(170deg,rgba(53,224,200,.10),rgba(255,255,255,.03));
  box-shadow:0 18px 42px rgba(53,224,200,.18),var(--inner);
}
.tier-card.is-rec:hover{transform:scale(1.04) translateY(-2px);}
.tier-badge{
  align-self:flex-start;font-size:12px;padding:2px 9px;border-radius:6px;
  color:var(--amber);border:1px solid rgba(255,179,71,.45);
  background:linear-gradient(135deg,rgba(255,179,71,.18),rgba(255,179,71,.05));
}
.tier-badge.plain{color:var(--muted);border-color:var(--line);background:var(--glass);}
.tier-card h3{font-size:19px;}
.tier-price{
  padding:10px 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px dashed var(--line-strong);
  font-size:12.5px;color:var(--dim);
}
.tier-list{display:flex;flex-direction:column;gap:10px;}
.tier-list li{
  display:flex;gap:9px;font-size:13.5px;color:var(--muted);line-height:1.6;
}
.tier-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(53,224,200,.7);
}
.tier-card .btn{margin-top:auto;}

/* ---------- preview cards ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.preview-card{
  border-radius:var(--r-card);overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--shadow),var(--inner);
  transition:border-color .2s ease,transform .2s ease;
}
.preview-card:hover{border-color:rgba(53,224,200,.4);transform:translateY(-2px);}
.preview-media{position:relative;aspect-ratio:4/3;overflow:hidden;}
.preview-media img{
  width:100%;height:100%;object-fit:cover;filter:blur(7px) saturate(.7);
  transform:scale(1.06);transition:filter .3s ease,transform .3s ease;
}
.preview-card:hover .preview-media img{filter:blur(2px) saturate(1);transform:scale(1.03);}
.preview-mask{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(7,12,20,.42),rgba(7,12,20,.82));
  transition:background .3s ease;
}
.preview-card:hover .preview-mask{background:linear-gradient(180deg,rgba(7,12,20,.25),rgba(7,12,20,.6));}
.lock-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  color:var(--cyan);font-size:17px;
  background:rgba(11,19,34,.72);border:1px solid rgba(53,224,200,.4);
  box-shadow:0 0 20px rgba(53,224,200,.22);
  transition:opacity .25s ease,transform .25s ease;
}
.preview-mask .view-btn{
  position:absolute;bottom:16px;opacity:0;transform:translateY(6px);
  transition:opacity .25s ease,transform .25s ease;
}
.preview-card:hover .preview-mask .view-btn{opacity:1;transform:translateY(0);}
.preview-card:hover .lock-ico{opacity:0;transform:scale(.86);}
.preview-foot{padding:14px 16px 16px;}
.preview-foot h3{font-size:15.5px;line-height:1.5;margin-bottom:8px;}
.preview-foot .tag-sm{display:block;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--glass);box-shadow:var(--inner);
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(53,224,200,.4);background:rgba(53,224,200,.05);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 52px 18px 20px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--dim);
  transition:background .2s ease,box-shadow .2s ease;flex:0 0 auto;
}
.faq-item[open] summary::before{
  background:var(--cyan);box-shadow:0 0 10px rgba(53,224,200,.8);
}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;
  width:7px;height:7px;border-right:1.6px solid var(--muted);
  border-bottom:1.6px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .2s ease,border-color .2s ease;
}
.faq-item[open] summary::after{
  transform:translateY(-30%) rotate(-135deg);border-color:var(--cyan);
}
.faq-answer{
  padding:0 52px 20px 36px;color:var(--muted);font-size:14.2px;line-height:1.85;
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid rgba(53,224,200,.32);
  background:linear-gradient(120deg,rgba(53,224,200,.12),rgba(124,140,255,.12)),rgba(11,19,34,.7);
  box-shadow:0 20px 50px rgba(0,0,0,.5),var(--inner);
  padding:52px 48px;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.14;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:30px;margin-bottom:14px;}
.cta-band p{color:var(--muted);max-width:640px;margin:0 auto 26px;font-size:14.6px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,19,34,.6),rgba(7,12,20,.96));
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-grid h4{font-size:14px;margin-bottom:16px;color:var(--ink);}
.footer-grid p{font-size:13.2px;color:var(--muted);line-height:1.85;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:13.2px;color:var(--muted);transition:color .2s ease;}
.footer-links a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 34px;font-size:12.6px;color:var(--dim);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .post-card.is-lead{grid-column:1/-1;}
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .tier-card.is-rec{transform:none;}
  .tier-card.is-rec:hover{transform:translateY(-2px);}
  .preview-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:34px;}
  .sec{padding:76px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .brand-note{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .search-box{display:none;}
  .header-actions .link-quiet{display:none;}
  .burger{display:flex;}
  .brand-text b{font-size:15.5px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .sec{padding:60px 0;}
  .sec-head h2{font-size:23px;}
  .post-grid{grid-template-columns:1fr;}
  .tier-grid{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:1fr;}
  .cta-band{padding:38px 22px;}
  .cta-band h2{font-size:23px;}
  .faq-answer{padding:0 24px 18px 34px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px;}
  .trust-item{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#070C14;
  --panel:#0B1322;
  --panel-2:#0E1728;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.16);
  --cyan:#35E0C8;
  --cyan-soft:rgba(53,224,200,.14);
  --indigo:#7C8CFF;
  --amber:#FFB347;
  --text:#E8EEF7;
  --text-2:#9AA9BF;
  --text-3:#64748B;
  --r-tag:8px;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-glow:0 8px 24px rgba(53,224,200,.35);
  --shadow-glow-hover:0 12px 34px rgba(53,224,200,.5);
  --sp-section:104px;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:15.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 620px at 6% -8%, rgba(53,224,200,.12), transparent 62%),
    radial-gradient(880px 700px at 102% 104%, rgba(124,140,255,.12), transparent 62%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px) 0 0/32px 32px,
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px) 0 0/32px 32px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--cyan)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,20,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .25s ease;
}
.site-header::after{
  content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--indigo),transparent);
  opacity:.55;
}
.brand-row{transition:height .25s ease}
.brand-inner{
  display:flex;align-items:center;gap:22px;
  height:72px;transition:height .25s ease;
}
.site-header.is-scrolled .brand-inner{height:60px}
.site-header.is-scrolled{background:rgba(7,12,20,.92)}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.02em;
  color:#04121A;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));
  box-shadow:0 6px 18px rgba(53,224,200,.28), inset 0 1px 0 rgba(255,255,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16.5px;font-weight:800}
.brand-text span{font-size:11.5px;color:var(--text-3);letter-spacing:.02em}

.search-box{
  flex:1;max-width:400px;position:relative;display:flex;align-items:center;
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.search-box:focus-within{border-color:rgba(53,224,200,.6);box-shadow:0 0 0 3px rgba(53,224,200,.16)}
.search-box input{
  flex:1;background:transparent;border:0;outline:none;color:var(--text);
  font-size:14px;padding:10px 14px;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box button{
  background:transparent;border:0;color:var(--text-2);padding:0 14px;height:40px;
  transition:color .2s ease;
}
.search-box button:hover{color:var(--cyan)}

.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
.link-plain{font-size:14px;color:var(--text-2)}
.link-plain:hover{color:var(--cyan);text-decoration:underline}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);border:0;
  font-size:14.5px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));
  box-shadow:var(--shadow-glow);
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow-hover);filter:brightness(1.06);color:#04121A}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(53,224,200,.3)}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;color:var(--text);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn-glass:hover{transform:translateY(-1px);border-color:rgba(53,224,200,.55);background:rgba(53,224,200,.08);color:var(--text)}
.btn-sm{padding:8px 16px;font-size:13.5px}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;
}

.channel-row{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;
  padding:0 24px 0;max-width:var(--container);margin:0 auto;
  border-top:1px solid rgba(255,255,255,.05);
}
.channel-row::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex-shrink:0;
  padding:13px 16px;font-size:14.5px;font-weight:600;color:var(--text-2);
  border-bottom:2px solid transparent;transition:color .2s ease, background .2s ease;
  display:inline-flex;align-items:center;gap:7px;
}
.channel-link:hover{color:var(--text)}
.channel-link.is-active{color:var(--text);background:rgba(53,224,200,.07);border-bottom-color:var(--cyan);box-shadow:0 6px 18px -10px rgba(53,224,200,.7)}
.channel-tag{
  font-size:11px;font-weight:700;padding:1px 7px;border-radius:6px;
  color:var(--amber);background:rgba(255,179,71,.14);border:1px solid rgba(255,179,71,.3);
}

/* ============ HERO / 频道题头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:72px 0 56px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.30;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(760px 420px at 18% 12%, rgba(53,224,200,.20), transparent 66%),
    radial-gradient(700px 460px at 92% 96%, rgba(124,140,255,.20), transparent 68%),
    linear-gradient(180deg, rgba(7,12,20,.62) 0%, rgba(7,12,20,.92) 68%, var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.crumb a:hover{color:var(--cyan);text-decoration:underline}
.crumb i{font-size:10px;color:var(--text-3)}
.crumb .current{color:var(--text-2)}

.hero-h1{font-size:44px;line-height:1.22;max-width:860px}
.hero-h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),var(--indigo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;font-size:16.5px;color:var(--text-2);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;margin-top:40px;max-width:800px;
}
.stat{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--cyan);line-height:1.2}
.stat span{font-size:13px;color:var(--text-2)}

/* ============ SECTION ============ */
.section{padding:var(--sp-section) 0}
.section-tight{padding-top:0}
.sec-head{margin-bottom:36px;max-width:720px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--cyan);text-transform:uppercase;margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--indigo))}
.sec-head h2{font-size:28px}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px}

/* ============ LAYOUT ============ */
.layout-2col{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}

/* ============ 卡片 ============ */
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.35);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.entry-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel)}
.entry-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.entry-card:hover .entry-cover img{transform:scale(1.03)}
.entry-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,20,.05) 0%,rgba(7,12,20,.72) 100%);
}
.entry-step{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:var(--r-tag);
  color:#04121A;background:linear-gradient(135deg,var(--cyan),var(--indigo));
}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-tag);
  color:#7FF0DF;background:rgba(53,224,200,.12);border:1px solid rgba(53,224,200,.28);
}
.tag-violet{color:#C3CBFF;background:rgba(124,140,255,.13);border-color:rgba(124,140,255,.3)}
.tag-amber{color:var(--amber);background:rgba(255,179,71,.13);border-color:rgba(255,179,71,.3)}
.entry-body h3{font-size:17.5px;line-height:1.45}
.entry-body p{font-size:14px;color:var(--text-2);line-height:1.75}
.entry-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}
.entry-foot a{font-weight:600;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.entry-foot a:hover{color:var(--cyan)}
.entry-foot a i{font-size:11px;transition:transform .2s ease}
.entry-foot a:hover i{transform:translateX(3px)}

/* ============ 侧栏 ============ */
.side-col{position:sticky;top:104px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
}
.side-card h3{font-size:16px;margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--text-3);margin-bottom:16px}
.side-list{display:flex;flex-direction:column;gap:4px}
.side-list a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--r-btn);font-size:14px;color:var(--text-2);
  border:1px solid transparent;transition:all .2s ease;
}
.side-list a i{width:16px;color:var(--cyan);font-size:12px}
.side-list a:hover{background:rgba(53,224,200,.07);border-color:rgba(53,224,200,.25);color:var(--text)}
.side-cta{
  background:
    radial-gradient(300px 180px at 100% 0%, rgba(53,224,200,.16), transparent 70%),
    rgba(255,255,255,.05);
  border-color:rgba(53,224,200,.28);
}
.side-cta h3{font-size:17px}
.side-cta p{font-size:13.5px;color:var(--text-2);margin:8px 0 18px}
.price-slot{
  display:flex;align-items:baseline;gap:8px;
  padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(255,179,71,.08);border:1px dashed rgba(255,179,71,.35);
  margin-bottom:16px;
}
.price-slot span{font-size:12.5px;color:var(--amber)}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.flow-card{
  position:relative;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 26px;box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .25s ease, border-color .25s ease;
}
.flow-card:hover{transform:translateY(-2px);border-color:rgba(124,140,255,.35)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:18px;
  font-size:15px;font-weight:800;color:#04121A;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));
  box-shadow:0 8px 20px rgba(53,224,200,.26);
}
.flow-card h3{font-size:17.5px;margin-bottom:10px}
.flow-card p{font-size:14px;color:var(--text-2)}
.flow-card ul{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.flow-card li{display:flex;gap:9px;font-size:13.5px;color:var(--text-2)}
.flow-card li i{color:var(--cyan);font-size:12px;margin-top:5px}

/* ============ 表格 ============ */
.table-wrap{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
}
.table-scroll{overflow-x:auto}
table.rail{width:100%;border-collapse:collapse;min-width:620px}
table.rail th,table.rail td{
  padding:16px 20px;text-align:left;font-size:14px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
table.rail thead th{
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text-2);
  background:rgba(11,19,34,.92);backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:3;
}
table.rail tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
table.rail tbody tr:hover{background:rgba(53,224,200,.05)}
table.rail td:first-child{color:var(--text);font-weight:600;white-space:nowrap}
.ok,.no{display:inline-flex;align-items:center;gap:8px;font-size:13.5px}
.ok i{
  width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:10px;color:#04121A;background:var(--cyan);
}
.no{color:var(--text-3)}
.no i{width:14px;height:2px;border-radius:2px;background:var(--text-3);display:inline-block}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease, background .2s ease;
}
.faq-item[open]{border-color:rgba(53,224,200,.32);background:rgba(53,224,200,.045)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";width:3px;height:20px;border-radius:3px;flex-shrink:0;
  background:var(--text-3);transition:background .2s ease, box-shadow .2s ease;
}
.faq-item[open] summary::before{background:var(--cyan);box-shadow:0 0 12px rgba(53,224,200,.7)}
.faq-item summary .arrow{margin-left:auto;color:var(--text-3);font-size:13px;transition:transform .2s ease}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--cyan)}
.faq-body{padding:0 22px 20px 39px;font-size:14px;color:var(--text-2);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid rgba(53,224,200,.25);
  padding:52px 44px;text-align:center;
  background:
    radial-gradient(620px 320px at 12% 0%, rgba(53,224,200,.18), transparent 66%),
    radial-gradient(620px 320px at 92% 100%, rgba(124,140,255,.18), transparent 66%),
    rgba(255,255,255,.045);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-band h2{font-size:30px;max-width:720px;margin:0 auto}
.cta-band p{margin:16px auto 28px;max-width:620px;color:var(--text-2);font-size:15px}
.cta-note{margin-top:16px;font-size:13px;color:var(--text-3)}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:var(--sp-section);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(11,19,34,.7), rgba(7,12,20,.95));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-text b{font-size:16px}
.site-footer p{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:340px}
.site-footer h4{font-size:14px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--text-3)}
.footer-links a:hover{color:var(--cyan)}
.divider-glow{
  height:1px;border:0;margin:40px 0 22px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.6),rgba(124,140,255,.6),transparent);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .layout-2col{grid-template-columns:minmax(0,1fr) 300px;gap:30px}
}
@media (max-width:1023px){
  :root{--sp-section:72px}
  .layout-2col{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static;top:auto}
  .hero-h1{font-size:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .flow-grid{grid-template-columns:1fr;gap:18px}
  .search-box{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .channel-row{padding:0 16px}
  .nav-toggle{display:inline-flex}
  .brand-actions .btn-primary{display:none}
  .brand-inner{gap:14px}
  .card-grid-2{grid-template-columns:minmax(0,1fr)}
  .hero-h1{font-size:28px}
  .hero-sub{font-size:15px}
  .stats{grid-template-columns:1fr;gap:12px}
  .sec-head h2{font-size:23px}
  .cta-band{padding:38px 22px}
  .cta-band h2{font-size:23px}
  .table-scroll table.rail td:first-child{position:sticky;left:0;background:rgba(11,19,34,.96)}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .page-hero{padding:48px 0 40px}
  .faq-item summary{font-size:14.5px;padding:16px 16px}
  .faq-body{padding:0 16px 18px 33px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --bg:#070C14;
  --panel:#0B1322;
  --panel-2:#0E1728;
  --glass:rgba(255,255,255,0.045);
  --glass-strong:rgba(255,255,255,0.075);
  --line:rgba(255,255,255,0.10);
  --line-strong:rgba(255,255,255,0.18);
  --ink:#E8EEF7;
  --ink-2:#9AA9BF;
  --ink-3:#64748B;
  --cyan:#35E0C8;
  --indigo:#7C8CFF;
  --amber:#FFB347;
  --r-tag:8px;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --glow:0 8px 24px rgba(53,224,200,.35);
  --glow-hover:0 12px 34px rgba(53,224,200,.5);
  --inner-hi:inset 0 1px 0 rgba(255,255,255,.06);
  --container:1200px;
  --gap-block:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(1000px 620px at 6% -6%, rgba(53,224,200,.12), transparent 62%),
    radial-gradient(1000px 640px at 98% 12%, rgba(124,140,255,.12), transparent 62%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,auto,32px 32px,32px 32px;
  background-attachment:fixed,fixed,scroll,scroll;
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:var(--cyan)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,20,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:background .25s ease;
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.55),rgba(124,140,255,.55),transparent);
}
.site-header.is-scrolled{background:rgba(7,12,20,.94)}
.brand-row{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .brand-row{height:60px}
.brand-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.02em;color:#04121A;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));
  box-shadow:0 6px 18px rgba(53,224,200,.28),var(--inner-hi);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-text span{font-size:12px;color:var(--ink-3)}
.brand-search{flex:1;max-width:360px;position:relative}
.brand-search input{
  width:100%;height:40px;border-radius:var(--r-btn);
  background:var(--panel-2);border:1px solid var(--line);
  padding:0 14px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.brand-search input::placeholder{color:var(--ink-3)}
.brand-search input:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}
.brand-search::before{
  content:"⌕";position:absolute;left:14px;top:50%;transform:translateY(-52%);
  color:var(--ink-3);font-size:16px;line-height:1;
}
.brand-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex-shrink:0}
.login-link{font-size:14px;color:var(--ink-2);border-bottom:1px solid transparent;padding-bottom:2px}
.login-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--glass);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--ink-2);border-radius:2px;transition:.2s}
.channel-row{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:0 0 10px;
}
.channel-row::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;white-space:nowrap;font-size:14px;color:var(--ink-2);
  padding:8px 14px;border-radius:999px;transition:.2s ease;
  display:inline-flex;align-items:center;gap:6px;
}
.channel-link:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.channel-link.is-active{color:var(--ink);background:rgba(53,224,200,.10)}
.channel-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-9px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--indigo));
  box-shadow:0 0 12px rgba(53,224,200,.7);
}
.channel-tag{
  font-size:11px;padding:1px 6px;border-radius:6px;
  color:var(--cyan);background:rgba(53,224,200,.12);
}
.mobile-drawer{display:none}
.mobile-drawer.is-open{display:block}
.mobile-drawer-inner{
  background:rgba(11,19,34,.96);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;margin:0 0 14px;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:6px;
}
.mobile-drawer-inner a{padding:10px 12px;border-radius:var(--r-tag);font-size:14px;color:var(--ink-2)}
.mobile-drawer-inner a:hover{background:rgba(255,255,255,.05);color:var(--ink)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease;
  white-space:nowrap;
}
.btn-glow{
  color:#04121A;background:linear-gradient(135deg,var(--cyan),var(--indigo));
  box-shadow:var(--glow),var(--inner-hi);
}
.btn-glow:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:var(--glow-hover);color:#04121A}
.btn-glow:active{transform:translateY(0);box-shadow:0 6px 16px rgba(53,224,200,.3)}
.btn-glass{
  color:var(--ink);background:var(--glass);border:1px solid var(--line-strong);
  box-shadow:var(--inner-hi);
}
.btn-glass:hover{transform:translateY(-1px);border-color:rgba(53,224,200,.5);color:var(--cyan);background:var(--glass-strong)}
.btn-amber{
  color:#2A1704;background:linear-gradient(135deg,#FFCF86,var(--amber));
  box-shadow:0 8px 22px rgba(255,179,71,.28),var(--inner-hi);
}
.btn-amber:hover{transform:translateY(-1px);filter:brightness(1.05);color:#2A1704}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);opacity:.6;pointer-events:none}

/* ============ 文章头部区 ============ */
.page-top{
  position:relative;overflow:hidden;
  padding:56px 0 34px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-top::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(53,224,200,.20), transparent 68%),
    radial-gradient(700px 340px at 88% 10%, rgba(124,140,255,.18), transparent 66%),
    linear-gradient(180deg, rgba(7,12,20,.72), rgba(7,12,20,.96));
}
.page-top > .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{margin-top:24px;max-width:860px}
.article-head h1{
  font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.3;letter-spacing:-.01em;
  margin:0 0 18px;color:var(--ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--ink-3)}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.22)}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
}
.pill-cyan{color:var(--cyan);background:rgba(53,224,200,.10);border:1px solid rgba(53,224,200,.28)}
.pill-amber{color:var(--amber);background:rgba(255,179,71,.10);border:1px solid rgba(255,179,71,.32)}
.pill-plain{color:var(--ink-2);background:var(--glass);border:1px solid var(--line)}

/* ============ 布局 ============ */
.section{padding:var(--gap-block) 0}
.section-tight{padding:56px 0 0}
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:44px;align-items:start;
  padding:56px 0 0;
}
.article-main{min-width:0;max-width:820px}
.panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card),var(--inner-hi);
  padding:32px 34px;
}
.article-body{font-size:16px;line-height:1.9;color:#D6DEEA;word-break:break-word}
.article-body p{margin:0 0 1.05em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.4;
  color:var(--ink);margin:40px 0 20px;padding-left:16px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--indigo));
  box-shadow:0 0 14px rgba(53,224,200,.55);
}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:0 0 .45em}
.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:#7FF0DE}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--cyan);
  background:var(--glass);border-radius:0 12px 12px 0;color:var(--ink-2);
  box-shadow:var(--inner-hi);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:26px auto;box-shadow:0 14px 34px rgba(0,0,0,.45)}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);margin:34px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{font-size:13px;letter-spacing:.06em;color:var(--ink-2);background:rgba(255,255,255,.02)}
.article-body tr:hover td{background:rgba(255,255,255,.02)}
.article-body pre{
  background:var(--panel-2);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
.empty-state{
  text-align:center;padding:64px 24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px dashed var(--line-strong);box-shadow:var(--inner-hi);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;font-size:22px;
  background:rgba(53,224,200,.10);border:1px solid rgba(53,224,200,.28);color:var(--cyan);
}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:14px;margin-bottom:22px}

/* 限阅分界条 */
.limit-divider{display:flex;align-items:center;gap:14px;margin:44px 0 8px;color:var(--ink-3);font-size:13px}
.limit-divider::before,.limit-divider::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,179,71,.5),transparent);
}

/* ============ 相关内容 ============ */
.block-title{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.block-title h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;letter-spacing:-.01em}
.block-title span{font-size:13px;color:var(--ink-3)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;min-height:100%;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card),var(--inner-hi);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.35)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--panel-2)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);padding-top:6px}

/* 上一篇 / 下一篇 */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px}
.pn-item{
  display:flex;flex-direction:column;gap:8px;padding:20px 22px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--inner-hi);transition:transform .2s ease,border-color .2s ease;
}
.pn-item:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.35)}
.pn-item span{font-size:12px;color:var(--ink-3);letter-spacing:.06em}
.pn-item b{font-size:15px;font-weight:700;color:var(--ink);line-height:1.55}
.pn-next{text-align:right;align-items:flex-end}
.back-channel{margin-top:26px;display:flex;justify-content:center}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:20px}
@media (min-width:1280px){.sidebar{position:sticky;top:104px}}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-card),var(--inner-hi);
}
.side-card h3{
  font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--ink);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--cyan),var(--indigo))}
.hot-list{display:flex;flex-direction:column}
.hot-item{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px solid rgba(255,255,255,.06);font-size:14px;color:var(--ink-2);line-height:1.6;
}
.hot-item:last-child{border-bottom:0;padding-bottom:0}
.hot-item em{
  font-style:normal;font-size:12px;font-weight:700;color:var(--cyan);
  background:rgba(53,224,200,.10);border-radius:6px;padding:1px 7px;flex-shrink:0;margin-top:2px;
}
.hot-item:hover{color:var(--ink)}
.join-card{
  border-color:rgba(255,179,71,.32);
  background:linear-gradient(180deg,rgba(255,179,71,.10),rgba(255,255,255,.04));
}
.join-card h3::before{background:linear-gradient(180deg,#FFCF86,var(--amber))}
.join-card p{font-size:13px;color:var(--ink-2);line-height:1.8;margin-bottom:16px}
.join-card .btn{width:100%}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-card),var(--inner-hi);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 220px at 8% 0%, rgba(53,224,200,.18), transparent 70%),
    radial-gradient(520px 240px at 92% 100%, rgba(124,140,255,.18), transparent 70%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.cta-band p{font-size:14px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(255,255,255,.08)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 44px 20px 20px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:2px;
  background:rgba(255,255,255,.16);transition:background .2s ease,box-shadow .2s ease;
}
.faq-item summary::after{
  content:"";position:absolute;right:18px;top:50%;width:8px;height:8px;
  border-right:1.6px solid var(--ink-3);border-bottom:1.6px solid var(--ink-3);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.faq-item[open] summary{color:var(--cyan)}
.faq-item[open] summary::before{background:linear-gradient(180deg,var(--cyan),var(--indigo));box-shadow:0 0 12px rgba(53,224,200,.6)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--cyan)}
.faq-item .faq-body{padding:0 44px 22px 20px;font-size:14px;line-height:1.9;color:var(--ink-2)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:64px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(7,12,20,0));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:13px}
.footer-brand .brand-text b{font-size:15px}
.site-footer p{font-size:13px;color:var(--ink-3);line-height:1.85;max-width:340px}
.site-footer h4{font-size:14px;font-weight:700;color:var(--ink);margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--ink-2)}
.footer-links a:hover{color:var(--cyan)}
.divider-glow{
  border:0;height:1px;margin:44px 0 22px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.45),rgba(124,140,255,.4),transparent);
}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--gap-block:88px}
  .article-shell{grid-template-columns:minmax(0,1fr) 288px;gap:32px}
}
@media (max-width:1023px){
  :root{--gap-block:72px}
  .brand-search{display:none}
  .article-shell{grid-template-columns:1fr;gap:36px}
  .sidebar{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:899px){
  .nav-toggle{display:flex}
  .channel-row{padding-bottom:12px}
  .login-link{display:none}
}
@media (max-width:639px){
  :root{--gap-block:56px}
  .container{padding:0 16px}
  .brand-row{height:64px;gap:12px}
  .site-header.is-scrolled .brand-row{height:58px}
  .brand-text span{display:none}
  .btn{height:40px;padding:0 16px;font-size:13px}
  .page-top{padding:40px 0 24px}
  .panel{padding:22px 18px}
  .article-body{font-size:15px;line-height:1.9}
  .article-body h2{margin:32px 0 16px}
  .card-grid{grid-template-columns:1fr}
  .prevnext{grid-template-columns:1fr}
  .pn-next{text-align:left;align-items:flex-start}
  .cta-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --cyan:#35E0C8;
  --indigo:#7C8CFF;
  --amber:#FFB347;
  --bg:#070C14;
  --panel:#0B1322;
  --panel-2:#0E1728;
  --card:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --text:#E8EEF7;
  --muted:#9AA9BF;
  --dim:#64748B;
  --r-sm:8px;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --glow:0 8px 24px rgba(53,224,200,.35);
  --glow-hover:0 12px 34px rgba(53,224,200,.5);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  padding:0;
  min-height:100%;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
    radial-gradient(760px 560px at 8% -8%, rgba(53,224,200,.13), transparent 68%),
    radial-gradient(820px 640px at 100% 104%, rgba(124,140,255,.12), transparent 70%);
  background-size:32px 32px,32px 32px,auto,auto;
  background-attachment:fixed;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}

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

.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,20,.80);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:background-color .25s ease;
}
.site-header::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.55),rgba(124,140,255,.55),transparent);
  pointer-events:none;
}
.site-header.is-scrolled{background:rgba(7,12,20,.92);}

.brand-row{
  display:flex;
  align-items:center;
  gap:20px;
  padding-top:18px;
  padding-bottom:18px;
  transition:padding .25s ease;
}
.site-header.is-scrolled .brand-row{padding-top:11px;padding-bottom:11px;}

.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  font-weight:800;font-size:14px;letter-spacing:.02em;
  color:#04110F;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));
  box-shadow:0 8px 20px rgba(53,224,200,.28), inset 0 1px 0 rgba(255,255,255,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:12px;color:var(--dim);}

.search-box{
  flex:1 1 auto;
  max-width:340px;
  display:flex;align-items:center;gap:10px;
  padding:8px 14px;
  border-radius:var(--r-btn);
  background:var(--panel-2);
  border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--dim);font-size:13px;}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--dim);}
.search-box:focus-within{border-color:rgba(53,224,200,.65);box-shadow:0 0 0 3px rgba(53,224,200,.14);}

.brand-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex-shrink:0;}
.link-quiet{font-size:14px;color:var(--muted);}
.link-quiet:hover{color:var(--cyan);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:14px;font-weight:700;letter-spacing:.01em;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:active{transform:translateY(0) scale(.99);}
.btn-glow{
  color:#04110F;
  background:linear-gradient(135deg,var(--cyan),#5FE7D4 55%,var(--indigo));
  box-shadow:var(--glow);
}
.btn-glow:hover{transform:translateY(-1px);box-shadow:var(--glow-hover);filter:brightness(1.06);}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.btn-ghost:hover{transform:translateY(-1px);border-color:rgba(53,224,200,.5);color:var(--cyan);}
.btn-lg{padding:14px 30px;font-size:15px;}
.btn[disabled],.btn.is-disabled{filter:saturate(40%);opacity:.6;pointer-events:none;}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
}

.channel-bar{border-top:1px solid var(--line-soft);background:rgba(11,19,34,.55);}
.channel-row{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:6px 0;
}
.channel-row::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;
  border-radius:var(--r-sm);
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.channel-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.channel-link.is-active{color:var(--text);background:rgba(53,224,200,.10);font-weight:700;}
.channel-link.is-active::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:-6px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--indigo));
  box-shadow:0 0 12px rgba(53,224,200,.6);
}
.channel-tag{
  font-size:11px;line-height:1;
  padding:3px 6px;border-radius:6px;
  color:var(--cyan);
  background:rgba(53,224,200,.14);
  border:1px solid rgba(53,224,200,.3);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;
  color:var(--cyan);
  padding:5px 12px;
  border-radius:999px;
  background:rgba(53,224,200,.10);
  border:1px solid rgba(53,224,200,.26);
  margin-bottom:16px;
}
.section-title{
  font-size:30px;font-weight:800;letter-spacing:-.01em;line-height:1.35;
}
.section-sub{margin-top:14px;color:var(--muted);font-size:15px;}

.divider-glow{
  height:1px;border:0;margin:36px 0;
  background:linear-gradient(90deg,transparent,rgba(53,224,200,.5),rgba(124,140,255,.4),transparent);
}

/* ============ 内页题头 ============ */
.page-hero{
  position:relative;
  padding:76px 0 68px;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(560px 420px at 12% 0%, rgba(53,224,200,.20), transparent 70%),
    linear-gradient(180deg, rgba(7,12,20,.86), rgba(7,12,20,.94));
}
.page-hero .container{position:relative;z-index:2;}

.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--dim);margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:10px;color:var(--dim);}
.crumb .current{color:var(--muted);}

.page-title{
  font-size:44px;font-weight:800;letter-spacing:-.015em;line-height:1.25;
}
.page-title .accent{
  background:linear-gradient(120deg,var(--cyan),var(--indigo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{margin-top:18px;font-size:16px;color:var(--muted);max-width:680px;}

.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;margin-top:38px;max-width:760px;
}
.stat-item{
  padding:18px 20px;
  border-radius:var(--r-card);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.stat-item b{display:block;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;}
.stat-item span{font-size:13px;color:var(--muted);}

/* ============ 筛选胶囊 ============ */
.filter-row{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;
  padding:6px 0 4px;
  margin-bottom:34px;
}
.filter-row::-webkit-scrollbar{display:none;}
.filter-pill{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:999px;
  font-size:13.5px;
  color:var(--muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  white-space:nowrap;
  cursor:pointer;
  transition:all .2s ease;
}
.filter-pill:hover{color:var(--text);border-color:rgba(53,224,200,.4);}
.filter-pill.is-current{
  color:#04110F;
  font-weight:700;
  background:linear-gradient(135deg,var(--cyan),#62E9D6);
  border-color:transparent;
  box-shadow:0 0 20px rgba(53,224,200,.4);
}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.benefit-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.benefit-card:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.35);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.benefit-card:hover .card-media img{transform:scale(1.03);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,20,.05),rgba(7,12,20,.72));
}
.card-media .tag{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12px;padding:4px 10px;border-radius:var(--r-sm);
  color:var(--cyan);
  background:rgba(7,12,20,.72);
  border:1px solid rgba(53,224,200,.35);
  backdrop-filter:blur(6px);
}
.card-body{display:flex;flex-direction:column;flex:1;padding:22px 22px 20px;}
.card-body h3{font-size:18px;font-weight:800;letter-spacing:-.005em;}
.card-body > p{margin-top:10px;font-size:14.5px;color:var(--muted);}
.mini-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.mini-list li{display:flex;gap:9px;font-size:13.5px;color:var(--muted);align-items:flex-start;}
.mini-list li i{color:var(--cyan);font-size:11px;margin-top:6px;flex-shrink:0;}
.card-foot{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line-soft);
}
.card-foot .meta{font-size:12.5px;color:var(--dim);}
.text-link{font-size:13.5px;font-weight:700;color:var(--cyan);}
.text-link:hover{color:#7DEFDE;text-decoration:underline;}

/* ============ 分页 ============ */
.pager{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:46px;flex-wrap:wrap;
}
.pager a,.pager span{
  min-width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  padding:0 14px;
  border-radius:var(--r-btn);
  font-size:13.5px;
  color:var(--muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:all .2s ease;
}
.pager a:hover{color:var(--text);border-color:rgba(53,224,200,.45);}
.pager .is-current{
  color:#04110F;font-weight:700;
  background:linear-gradient(135deg,var(--cyan),#62E9D6);
  border-color:transparent;
  box-shadow:0 0 18px rgba(53,224,200,.38);
}
.pager .is-disabled{color:var(--dim);opacity:.55;}

/* ============ 速查列表 ============ */
.spec-panel{
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  padding:34px 34px 30px;
}
.spec-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;}
.spec-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 0;
  border-bottom:1px solid var(--line-soft);
}
.spec-item:nth-last-child(-n+2){border-bottom:0;}
.spec-item .k{
  flex:0 0 118px;
  font-size:14px;font-weight:800;
  color:var(--cyan);
}
.spec-item .v{font-size:14px;color:var(--muted);}

/* ============ 流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.step-card{
  position:relative;
  padding:26px 22px;
  border-radius:var(--r-card);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  color:#04110F;
  background:linear-gradient(135deg,var(--cyan),var(--indigo));
  margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:800;}
.step-card p{margin-top:10px;font-size:14px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--card);
  border:1px solid var(--line);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(53,224,200,.35);box-shadow:0 0 0 1px rgba(53,224,200,.10);}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;
  cursor:pointer;list-style:none;
  font-size:16px;font-weight:700;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";flex:0 0 3px;height:22px;border-radius:2px;
  background:rgba(255,255,255,.18);
  transition:background .2s ease,box-shadow .2s ease;
}
.faq-item[open] summary::before{background:var(--cyan);box-shadow:0 0 12px rgba(53,224,200,.75);}
.faq-item summary .arrow{margin-left:auto;color:var(--dim);font-size:13px;transition:transform .2s ease,color .2s ease;}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--cyan);}
.faq-item summary:hover{color:var(--cyan);}
.faq-answer{padding:0 22px 22px 39px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ============ CTA 带 ============ */
.cta-band{
  border-radius:var(--r-lg);
  padding:48px 44px;
  background:
    radial-gradient(420px 260px at 12% 0%, rgba(53,224,200,.18), transparent 70%),
    radial-gradient(460px 300px at 92% 120%, rgba(124,140,255,.18), transparent 72%),
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
}
.cta-band h2{font-size:28px;font-weight:800;letter-spacing:-.01em;}
.cta-band p{margin-top:12px;font-size:14.5px;color:var(--muted);max-width:560px;}
.cta-action{display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
.cta-note{font-size:12.5px;color:var(--dim);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  padding-top:64px;
  background:rgba(11,19,34,.6);
  border-top:1px solid var(--line-soft);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-text b{font-size:16px;}
.footer-brand .brand-text span{font-size:12px;color:var(--dim);}
.site-footer p{font-size:13.5px;color:var(--muted);max-width:340px;line-height:1.85;}
.site-footer h4{font-size:14px;font-weight:800;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:13px;color:var(--muted);}
.footer-links a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 30px;flex-wrap:wrap;
  font-size:12.5px;color:var(--dim);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .page-title{font-size:34px;}
  .search-box{display:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .spec-list{grid-template-columns:1fr;gap:0;}
  .spec-item:nth-last-child(-n+2){border-bottom:1px solid var(--line-soft);}
  .spec-item:last-child{border-bottom:0;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:60px 0;}
  .section-title{font-size:24px;}
  .page-hero{padding:52px 0 48px;}
  .page-title{font-size:28px;}
  .brand-text span{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .channel-bar{display:none;}
  .channel-bar.is-open{
    display:block;
    background:rgba(11,19,34,.97);
    backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
  }
  .channel-bar.is-open .channel-row{flex-direction:column;align-items:stretch;padding:14px 0;}
  .channel-bar.is-open .channel-link{padding:13px 14px;}
  .channel-bar.is-open .channel-link.is-active::after{display:none;}
  .stat-strip{grid-template-columns:1fr;gap:12px;}
  .card-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:22px;}
  .spec-panel{padding:24px 20px;}
  .spec-item{flex-direction:column;gap:6px;}
  .spec-item .k{flex:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn{padding:10px 18px;}
}
@media (max-width:520px){
  .page-title{font-size:25px;}
  .brand-actions .link-quiet{display:none;}
  .cta-action{width:100%;}
  .cta-action .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg:#070C14;
  --panel:#0B1322;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --text:#E8EEF7;
  --muted:#9AA9BF;
  --weak:#64748B;
  --cyan:#35E0C8;
  --indigo:#7C8CFF;
  --amber:#FFB347;
  --r-sm:8px;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --inset:inset 0 1px 0 rgba(255,255,255,.06);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{background:#070C14;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(920px 620px at 6% -8%, rgba(53,224,200,.12), transparent 62%),
    radial-gradient(900px 720px at 100% 104%, rgba(124,140,255,.12), transparent 62%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:1;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:32px 32px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:12px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ------- header ------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:padding .25s ease, background .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg, rgba(53,224,200,0), rgba(53,224,200,.75), rgba(124,140,255,.75), rgba(124,140,255,0));
}
.brand-row{
  display:flex;align-items:center;gap:20px;
  padding:16px 24px;transition:padding .25s ease;
}
.site-header.is-scrolled .brand-row{padding:10px 24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:12px;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.02em;color:#04121A;
  background:linear-gradient(140deg,var(--cyan),var(--indigo));
  box-shadow:0 8px 20px rgba(53,224,200,.28), var(--inset);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-text span{font-size:12px;color:var(--weak)}
.nav-search{flex:1 1 auto;max-width:380px;margin-left:8px}
.nav-search input{
  width:100%;height:40px;padding:0 14px;
  color:var(--text);background:#0E1728;
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-btn);
  font-size:14px;transition:border-color .2s, box-shadow .2s;
}
.nav-search input::placeholder{color:var(--weak)}
.nav-search input:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(53,224,200,.18);
}
.brand-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.link-plain{font-size:14px;color:var(--muted);transition:color .2s}
.link-plain:hover{color:var(--cyan);text-decoration:underline}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--glass);
  align-items:center;justify-content:center;font-size:16px;color:var(--muted);
}
.channel-wrap{border-top:1px solid var(--line-soft)}
.channel-row{
  display:flex;gap:6px;padding:0 24px;overflow-x:auto;
  scrollbar-width:none;
}
.channel-row::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:0 0 auto;
  padding:13px 14px 12px;
  font-size:14px;color:var(--muted);
  display:inline-flex;align-items:center;gap:6px;
  transition:color .2s, background .2s;
}
.channel-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  border-radius:2px;background:transparent;transition:background .2s, box-shadow .2s;
}
.channel-link:hover{color:var(--text);background:rgba(255,255,255,.03)}
.channel-link.is-active{color:var(--text);background:rgba(255,255,255,.05)}
.channel-link.is-active::after{background:var(--cyan);box-shadow:0 0 10px rgba(53,224,200,.7)}
.channel-tag{
  font-size:12px;padding:1px 7px;border-radius:999px;
  color:var(--cyan);background:rgba(53,224,200,.12);border:1px solid rgba(53,224,200,.28);
}

/* ------- buttons ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s;
  will-change:transform;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-glow{
  color:#04121A;
  background:linear-gradient(120deg,var(--cyan),#5ED8FF 55%,var(--indigo));
  box-shadow:0 8px 24px rgba(53,224,200,.35), var(--inset);
}
.btn-glow:hover{box-shadow:0 12px 34px rgba(53,224,200,.5), var(--inset);filter:brightness(1.06)}
.btn-glow:active{box-shadow:0 6px 16px rgba(53,224,200,.4)}
.btn-ghost{
  color:var(--text);background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--inset);
}
.btn-ghost:hover{border-color:rgba(53,224,200,.55);color:#fff;background:rgba(53,224,200,.08)}
.btn-lg{height:50px;padding:0 28px;font-size:15px}
.btn[disabled]{opacity:.4;filter:saturate(.4);cursor:not-allowed}

/* ------- page head ------- */
.page-head{position:relative;overflow:hidden;padding:52px 0 46px;border-bottom:1px solid var(--line)}
.page-head-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.26;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(700px 320px at 10% 0%, rgba(53,224,200,.18), transparent 62%),
    radial-gradient(620px 340px at 92% 100%, rgba(124,140,255,.16), transparent 62%),
    linear-gradient(180deg, rgba(7,12,20,.70), rgba(7,12,20,.95));
}
.page-head-inner{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--cyan);text-decoration:underline}
.crumb-sep{color:var(--weak)}
.crumb-current{color:var(--text)}
.page-title{font-size:44px;font-weight:800;letter-spacing:-.015em;max-width:900px}
.page-sub{margin-top:14px;font-size:16px;color:var(--muted);max-width:640px}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:36px}
.stat-card{
  padding:20px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(10px);box-shadow:var(--shadow), var(--inset);
}
.stat-card b{
  display:block;font-size:28px;font-weight:800;letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(92deg,var(--cyan),var(--indigo));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-card span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.6}

/* ------- sections ------- */
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{max-width:760px;margin-bottom:36px}
.badge{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:8px;
  color:var(--cyan);background:rgba(53,224,200,.12);
  border:1px solid rgba(53,224,200,.28);
}
.section-head h2{font-size:28px;margin-top:14px}
.lead{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85}

/* ------- notice table ------- */
.notice-wrap{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  box-shadow:var(--shadow), var(--inset);overflow:hidden;
}
.notice-table{width:100%;border-collapse:collapse;font-size:15px}
.notice-table thead th{
  text-align:left;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--muted);padding:14px 20px;
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.notice-table tbody td{
  padding:18px 20px;border-bottom:1px solid var(--line-soft);
  vertical-align:middle;transition:background .2s ease;
}
.notice-table tbody tr:last-child td{border-bottom:0}
.notice-table tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.notice-table tbody tr:hover td{background:rgba(53,224,200,.06)}
.td-title{position:relative;padding-left:28px !important;font-weight:600;color:var(--text);min-width:260px}
.td-title::before{
  content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;background:rgba(255,255,255,.16);transition:.2s;
}
.notice-table tbody tr:hover .td-title::before{background:var(--cyan);box-shadow:0 0 10px rgba(53,224,200,.7)}
.td-scope{color:var(--muted);font-size:14px;white-space:nowrap}
.td-time{color:var(--weak);font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}
.td-arrow{text-align:right;color:var(--weak);font-size:16px;transition:color .2s, transform .2s}
.notice-table tbody tr:hover .td-arrow{color:var(--cyan);transform:translateX(2px)}
.tag-chip{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:8px;
  color:var(--indigo);background:rgba(124,140,255,.12);border:1px solid rgba(124,140,255,.28);
  white-space:nowrap;
}
.tag-chip.is-cyan{color:var(--cyan);background:rgba(53,224,200,.12);border-color:rgba(53,224,200,.28)}
.tag-chip.is-amber{color:var(--amber);background:rgba(255,179,71,.12);border-color:rgba(255,179,71,.3)}

/* ------- split ------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow), var(--inset);
}
.split-media img{border-radius:0;width:100%;height:100%;object-fit:cover}
.split-body h2{font-size:28px;margin-top:14px}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.point-list li{
  display:flex;gap:14px;padding:16px 18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--inset);
  transition:border-color .2s, transform .2s;
}
.point-list li:hover{border-color:rgba(53,224,200,.35);transform:translateY(-2px)}
.point-list li b{flex:0 0 auto;color:var(--text);font-size:15px}
.point-list li span{color:var(--muted);font-size:14px;line-height:1.75}

/* ------- steps ------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step-item{
  position:relative;padding:24px 22px;border-radius:var(--r-card);
  background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow), var(--inset);
  transition:transform .2s, border-color .2s;
}
.step-item:hover{transform:translateY(-3px);border-color:rgba(53,224,200,.35)}
.step-no{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--cyan);font-variant-numeric:tabular-nums;
}
.step-item b{display:block;margin-top:12px;font-size:17px}
.step-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}

/* ------- faq ------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--inset);
  transition:border-color .2s;
}
.faq-item:hover{border-color:rgba(255,255,255,.18)}
.faq-item[open]{border-color:rgba(53,224,200,.3)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px 18px 28px;font-size:16px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:rgba(255,255,255,.16);transition:.2s;
}
.faq-item[open] summary::before{background:var(--cyan);box-shadow:0 0 10px rgba(53,224,200,.7)}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-right:6px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .2s ease, border-color .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--cyan)}
.faq-body{padding:0 24px 20px 28px;color:var(--muted);font-size:14.5px;line-height:1.9}

/* ------- cta ------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:40px 44px;border-radius:var(--r-lg);
  border:1px solid rgba(53,224,200,.28);
  background:
    radial-gradient(520px 220px at 8% 0%, rgba(53,224,200,.16), transparent 62%),
    linear-gradient(120deg, rgba(53,224,200,.10), rgba(124,140,255,.12));
  box-shadow:var(--shadow), var(--inset);
}
.cta-band h2{font-size:26px}
.cta-band p{margin-top:10px;color:var(--muted);font-size:14.5px;max-width:620px}

/* ------- footer ------- */
.site-footer{
  margin-top:40px;border-top:1px solid var(--line);
  background:rgba(11,19,34,.72);
  backdrop-filter:blur(10px);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:12px;border-radius:10px}
.footer-brand .brand-text b{font-size:16px}
.footer-brand .brand-text span{font-size:12px;color:var(--weak)}
.site-footer p{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:340px}
.site-footer h4{font-size:14px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--weak);transition:color .2s}
.footer-links a:hover{color:var(--cyan);text-decoration:underline}
.divider-glow{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg, rgba(53,224,200,0), rgba(53,224,200,.6), rgba(124,140,255,.6), rgba(124,140,255,0));
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 30px;font-size:13px;color:var(--weak);flex-wrap:wrap;
}

/* ------- responsive ------- */
@media (max-width:1023px){
  .page-title{font-size:36px}
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:820px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .brand-row{padding:12px 16px}
  .site-header.is-scrolled .brand-row{padding:10px 16px}
  .channel-row{padding:0 16px}
  body.nav-open .channel-row{
    flex-direction:column;overflow:visible;padding-bottom:12px;
    background:rgba(11,19,34,.96);
  }
  body.nav-open .channel-link::after{display:none}
  .container{padding:0 16px}
}
@media (max-width:767px){
  .notice-table thead th:nth-child(3),
  .notice-table tbody td:nth-child(3){display:none}
  .notice-table thead th,
  .notice-table tbody td{padding:14px 12px}
  .td-title{padding-left:24px !important;min-width:0;font-size:14.5px}
  .stat-row{grid-template-columns:1fr;gap:14px}
  .stat-card{padding:18px}
}
@media (max-width:520px){
  .page-title{font-size:28px}
  .page-sub{font-size:15px}
  .page-head{padding:36px 0 32px}
  .section{padding:56px 0}
  .section-head h2{font-size:22px}
  .split-body h2{font-size:22px}
  .steps{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:22px}
  .cta-band h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .brand-text span{display:none}
  .btn{height:40px;padding:0 16px}
  .btn-lg{height:46px;padding:0 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}