/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A111D;
  --bg-2:#0E1726;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;
  --brand-2:#12C6E8;
  --brand-deep:#0FA98A;
  --signal:#FF5B6E;
  --signal-soft:#FF8A6B;
  --ink:#E9F0F8;
  --ink-2:#9CAEC6;
  --ink-3:#65788F;
  --shadow:0 24px 60px -28px rgba(0,0,0,.85);
  --glow:0 10px 32px -10px rgba(31,224,180,.55);
  --ring:0 0 0 1px rgba(31,224,180,.45);
  --r-lg:16px;
  --r-sm:12px;
  --mono:ui-monospace,"JetBrains Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-title{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-desc{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:640px}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.link-more:hover{gap:10px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(5,8,15,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(5,8,15,.92);border-bottom-color:var(--line-strong)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#04120E;font-weight:800;font-size:13px;
  letter-spacing:-.02em;box-shadow:var(--glow);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;font-size:14px;color:var(--ink-2);
  border-radius:8px;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;border-radius:2px;
  background:var(--brand);transform:translateX(-50%);transition:width .22s cubic-bezier(.22,.61,.36,1);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{width:60%}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:240px;height:40px;
  padding:0 10px 0 13px;border:1px solid var(--line);border-radius:999px;
  background:rgba(255,255,255,.04);transition:border-color .2s,box-shadow .2s,background .2s;
}
.cmd-search:focus-within{border-color:var(--brand);box-shadow:var(--ring);background:rgba(255,255,255,.06)}
.cmd-search i{color:var(--ink-3);font-size:13px}
.cmd-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:13px}
.cmd-search input::placeholder{color:var(--ink-3)}
.cmd-search .kbd{
  font-family:var(--mono);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;line-height:1.5;
}
.nav-quick{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);
  padding:8px 10px;border-radius:999px;transition:color .2s,background .2s;
}
.nav-quick:hover{color:var(--brand);background:rgba(31,224,180,.08)}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-burger:hover{border-color:var(--line-strong);color:var(--brand)}
.nav-drawer{
  display:none;position:absolute;top:68px;left:0;right:0;
  background:rgba(10,17,29,.98);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
  padding:12px 20px 24px;
  max-height:calc(100vh - 68px);overflow-y:auto;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.9);
}
.nav-drawer.is-open{display:block;animation:drawerIn .22s ease}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 10px;
  border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);
}
.drawer-link.is-active,.drawer-link:hover{color:var(--brand)}
.drawer-cta{width:100%;margin-top:18px}
.drawer-meta{margin-top:16px;font-size:13px;color:var(--ink-3);line-height:1.9}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:14px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s cubic-bezier(.22,.61,.36,1),box-shadow .2s,background .2s,color .2s,border-color .2s,filter .2s;
}
.btn:focus-visible{outline:none;box-shadow:var(--ring)}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120E;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 40px -12px rgba(31,224,180,.7)}
.btn-primary:active{transform:translateY(0);filter:brightness(.97)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(31,224,180,.08);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn-block{width:100%}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 92px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.28;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,var(--bg-0) 0%,rgba(5,8,15,.6) 45%,var(--bg-0) 100%);
}
.hero-glow{
  position:absolute;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,180,.5),transparent 66%);
  filter:blur(80px);opacity:.22;top:-200px;left:-160px;pointer-events:none;
}
.hero-wrap{position:relative;display:grid;grid-template-columns:1.16fr 1fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(31,224,180,.35);
  background:rgba(31,224,180,.08);
  font-size:13px;color:var(--brand);font-weight:600;margin-bottom:22px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(31,224,180,.9)}
h1.hero-title{
  font-size:52px;line-height:1.14;font-weight:700;letter-spacing:-.02em;margin-bottom:20px;
}
h1.hero-title .hl{color:var(--brand)}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-stat b{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:700;color:var(--brand);line-height:1.3;
}
.hero-stat span{font-size:13px;color:var(--ink-3)}

.live-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
}
.live-cover{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:var(--panel-strong)}
.live-cover img{width:100%;height:100%;object-fit:cover}
.live-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.05),rgba(5,8,15,.55))}
.live-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  background:rgba(255,91,110,.16);border:1px solid rgba(255,91,110,.55);
  color:#FF8B98;font-size:12px;font-weight:700;letter-spacing:.04em;
}
.live-badge .pulse{width:6px;height:6px;border-radius:50%;background:var(--signal);animation:pulseDot 1.6s infinite}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(255,91,110,.6)}70%{box-shadow:0 0 0 8px rgba(255,91,110,0)}100%{box-shadow:0 0 0 0 rgba(255,91,110,0)}}
.live-body{padding:16px 4px 4px}
.live-title{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:8px}
.live-time{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:7px;margin-bottom:16px}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.cd-block{
  background:var(--panel-strong);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:10px 4px;text-align:center;
}
.cd-block b{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;line-height:1.2;color:var(--ink);
}
.cd-block span{font-size:11px;color:var(--ink-3);letter-spacing:.08em}

/* ============ live stream cards ============ */
.live-list{display:flex;flex-direction:column;gap:20px}
.stream-card{
  display:grid;grid-template-columns:260px 1fr 210px;gap:24px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;transition:transform .22s cubic-bezier(.22,.61,.36,1),border-color .22s,box-shadow .22s;
}
.stream-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 12px 40px -20px rgba(31,224,180,.35)}
.stream-cover{border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:var(--panel-strong)}
.stream-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.stream-card:hover .stream-cover img{transform:scale(1.04)}
.stream-main{min-width:0}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.7;
}
.badge-live{background:rgba(255,91,110,.14);border:1px solid rgba(255,91,110,.5);color:#FF8B98}
.badge-soon{background:rgba(31,224,180,.12);border:1px solid rgba(31,224,180,.45);color:var(--brand)}
.badge-replay{background:rgba(255,138,107,.12);border:1px solid rgba(255,138,107,.45);color:var(--signal-soft)}
.badge-done{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--ink-3)}
.badge-cat{background:rgba(18,198,232,.1);border:1px solid rgba(18,198,232,.35);color:#7EDDF2}
.stream-cat{font-size:12px;color:var(--ink-3);margin-left:10px}
.stream-title{font-size:19px;font-weight:600;line-height:1.45;margin:10px 0 12px}
.stream-title a:hover{color:var(--brand)}
.stream-points{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}
.stream-points li{font-size:14px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;line-height:1.7}
.stream-points i{color:var(--brand);font-size:11px;margin-top:7px;flex-shrink:0}
.stream-meta{font-size:13px;color:var(--ink-3);display:flex;gap:16px;flex-wrap:wrap}
.stream-side{
  border-left:1px solid var(--line);padding-left:24px;
  display:flex;flex-direction:column;gap:14px;align-items:stretch;
}
.stream-side .cd-mini{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:22px;font-weight:700;color:var(--brand);letter-spacing:.02em;
}
.stream-side .cd-label{font-size:12px;color:var(--ink-3)}
.stats-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
}
.stats-band div{text-align:center}
.stats-band b{display:block;font-family:var(--mono);font-size:24px;color:var(--brand);font-weight:700}
.stats-band span{font-size:13px;color:var(--ink-3)}

/* ============ subscribe band ============ */
.subscribe{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  background:linear-gradient(135deg,rgba(31,224,180,.1),rgba(18,198,232,.04) 55%,transparent);
  border:1px solid rgba(31,224,180,.22);border-radius:20px;padding:36px;
  position:relative;overflow:hidden;
}
.subscribe::before{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,180,.5),transparent 65%);
  filter:blur(70px);opacity:.2;top:-140px;right:-80px;pointer-events:none;
}
.subscribe h2{font-size:28px;line-height:1.3;font-weight:700;margin-bottom:10px;position:relative}
.subscribe p{font-size:15px;color:var(--ink-2);position:relative}
.sub-form{display:flex;gap:12px;position:relative}
.field{flex:1;min-width:0}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  outline:none;font-size:14px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{border-color:var(--brand);box-shadow:var(--ring);background:rgba(255,255,255,.07)}
.form-note{font-size:12px;color:var(--ink-3);margin-top:10px;position:relative}
.form-err{font-size:13px;color:var(--signal);margin-top:8px;display:none;position:relative}
.form-err.show{display:block}
.form-ok{font-size:13px;color:var(--brand);margin-top:8px;display:none;position:relative}
.form-ok.show{display:block}

/* ============ replay grid ============ */
.replay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.replay-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .22s cubic-bezier(.22,.61,.36,1),border-color .22s,box-shadow .22s;
  display:flex;flex-direction:column;
}
.replay-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 12px 40px -20px rgba(31,224,180,.35)}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-strong)}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.replay-card:hover .replay-thumb img{transform:scale(1.04)}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:rgba(5,8,15,.55);border:1px solid rgba(255,255,255,.28);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  color:#fff;font-size:14px;transition:background .22s,box-shadow .22s,border-color .22s,color .22s;
}
.replay-card:hover .play-btn{background:rgba(31,224,180,.9);color:#04120E;border-color:transparent;box-shadow:var(--glow)}
.duration{
  position:absolute;right:10px;bottom:10px;
  font-family:var(--mono);font-size:11px;padding:2px 8px;border-radius:6px;
  background:rgba(5,8,15,.78);border:1px solid var(--line-strong);color:var(--ink-2);
}
.replay-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.replay-body h3{font-size:16px;font-weight:600;line-height:1.5}
.replay-body .meta{font-size:12px;color:var(--ink-3);margin-top:auto}

/* ============ capability rows ============ */
.cap-list{border-top:1px solid var(--line)}
.cap-row{
  display:grid;grid-template-columns:96px 1fr;gap:28px;
  padding:30px 0;border-bottom:1px solid var(--line);
  transition:background .25s;
}
.cap-num{
  font-family:var(--mono);font-size:30px;font-weight:700;line-height:1.2;
  color:var(--ink-3);transition:color .25s;letter-spacing:-.02em;
}
.cap-row:hover .cap-num{color:var(--brand)}
.cap-row h3{font-size:20px;font-weight:600;margin-bottom:8px;line-height:1.4}
.cap-row p{font-size:15px;color:var(--ink-2);max-width:760px}

/* ============ news / cms ============ */
.grid-info{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.info-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;display:flex;flex-direction:column;gap:12px;min-height:200px;
  transition:transform .22s cubic-bezier(.22,.61,.36,1),border-color .22s,box-shadow .22s;
}
.info-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 12px 40px -20px rgba(31,224,180,.35)}
.info-card h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-card h3 a:hover{color:var(--brand)}
.info-card p{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px}
.info-foot time{font-size:13px;color:var(--ink-3)}
.read-more{font-size:13px;font-weight:600;color:var(--brand);transition:opacity .2s}
.read-more:hover{opacity:.75}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:32px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--ink-3)}
.empty-state p{font-size:14px;color:var(--ink-3)}

/* ============ faq ============ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s,background .2s;
}
.faq-item[open]{border-color:rgba(31,224,180,.5);background:rgba(31,224,180,.045)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:56px;padding:14px 20px;font-size:16px;font-weight:600;line-height:1.6;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary:focus-visible{outline:none;box-shadow:var(--ring)}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:24px;height:24px;display:grid;place-items:center;
  font-size:18px;font-weight:400;color:var(--brand);line-height:1;transition:transform .2s;
}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 20px 18px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);border-left:2px solid var(--brand);margin-left:20px;padding-left:16px}

/* ============ final cta ============ */
.final-cta{
  position:relative;overflow:hidden;border-radius:22px;
  border:1px solid rgba(31,224,180,.22);
  background:linear-gradient(135deg,rgba(31,224,180,.13),rgba(18,198,232,.05) 60%,transparent);
  padding:56px 40px;text-align:center;
}
.final-cta::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,180,.55),transparent 65%);
  filter:blur(90px);opacity:.2;bottom:-260px;left:50%;transform:translateX(-50%);pointer-events:none;
}
.final-cta h2{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:14px;position:relative}
.final-cta p{font-size:15px;color:var(--ink-2);max-width:620px;margin:0 auto 28px;position:relative}
.final-cta .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

/* ============ footer ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--ink-2);margin:16px 0 20px;max-width:260px;line-height:1.8}
.qr-box{
  width:92px;height:92px;border-radius:var(--r-sm);
  border:1px dashed var(--line-strong);background:var(--panel);
  display:grid;place-items:center;color:var(--ink-3);font-size:11px;text-align:center;line-height:1.5;
}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s,transform .2s;display:inline-block}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-3);
}
.footer-bottom .sep{margin:0 8px;opacity:.5}
.footer-bottom a:hover{color:var(--brand)}

/* ============ responsive ============ */
@media (max-width:1279px){
  .cmd-search{width:200px}
  .nav-quick span{display:none}
  .hero-wrap{gap:40px}
  h1.hero-title{font-size:44px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .cmd-search{display:none}
  .nav-quick{display:none}
  .nav-burger{display:inline-flex}
  .hero-wrap{grid-template-columns:1fr;gap:40px}
  h1.hero-title{font-size:38px}
  .stream-card{grid-template-columns:200px 1fr;gap:20px}
  .stream-side{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:16px;grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}
  .replay-grid{grid-template-columns:repeat(2,1fr)}
  .grid-info{grid-template-columns:repeat(2,1fr)}
  .subscribe{grid-template-columns:1fr;gap:24px;padding:28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .section{padding:72px 0}
  .section-title{font-size:26px}
}
@media (max-width:767px){
  .container{padding:0 24px}
  h1.hero-title{font-size:32px}
  .hero{padding:48px 0 64px}
  .hero-sub{font-size:15px}
  .hero-stats{gap:24px;margin-top:32px}
  .hero-stat b{font-size:20px}
  .stream-card{grid-template-columns:1fr}
  .stream-cover{aspect-ratio:16/9}
  .stream-side{flex-direction:column;align-items:stretch;gap:12px}
  .hero-actions .btn{flex:1 1 auto}
  .cap-row{grid-template-columns:64px 1fr;gap:16px}
  .cap-num{font-size:24px}
  .subscribe h2{font-size:22px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .final-cta{padding:40px 24px}
  .final-cta h2{font-size:23px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .replay-grid{grid-template-columns:1fr}
  .grid-info{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr;gap:16px;text-align:center}
  .cd-block b{font-size:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .final-cta .actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A111D;
  --bg-2:#0E1726;
  --panel:rgba(255,255,255,0.045);
  --panel-strong:rgba(255,255,255,0.07);
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --brand:#1FE0B4;
  --brand-2:#12C6E8;
  --brand-deep:#0FA98A;
  --signal:#FF5B6E;
  --signal-soft:#FF8A6B;
  --ink:#E9F0F8;
  --ink-2:#9CAEC6;
  --ink-3:#65788F;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.85);
  --glow:0 10px 32px -10px rgba(31,224,180,.55);
  --ring:0 0 0 1px rgba(31,224,180,.45);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"JetBrains Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:-20% 40% 60% -20%;
  background:radial-gradient(circle at 30% 30%,rgba(31,224,180,.16),transparent 62%);
  filter:blur(80px);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
::selection{background:rgba(31,224,180,.28);color:#04120F;}
:focus-visible{outline:2px solid rgba(31,224,180,.7);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04120F;font-size:13px;font-weight:800;letter-spacing:-.02em;
  display:grid;place-items:center;
  box-shadow:0 6px 18px -8px rgba(31,224,180,.8);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 12px;
  font-size:14px;font-weight:500;color:var(--ink-2);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:60%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:translateX(-50%) scaleX(.4);
  opacity:0;transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(255,255,255,.04);}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1;transform:translateX(-50%) scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-wrap{position:relative;display:flex;align-items:center;}
.search-icon{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  color:var(--ink-3);display:flex;pointer-events:none;
}
.search-input{
  width:240px;height:40px;
  padding:0 56px 0 36px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--ink);font-size:13px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-input::placeholder{color:var(--ink-3);}
.search-input:focus{
  outline:none;background:rgba(255,255,255,.07);
  border-color:rgba(31,224,180,.62);
  box-shadow:var(--ring);
}
.kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;
  background:rgba(255,255,255,.03);pointer-events:none;
}
.icon-link{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 12px;border-radius:10px;
  font-size:13px;color:var(--ink-2);
  border:1px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.icon-link:hover{color:var(--brand);background:rgba(31,224,180,.08);border-color:rgba(31,224,180,.22);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .2s cubic-bezier(.22,.61,.36,1),filter .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120F;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 36px -10px rgba(31,224,180,.65);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.98);}
.btn-primary:focus-visible{outline:none;box-shadow:var(--ring),var(--glow);}
.btn-ghost{
  background:transparent;border-color:var(--line);color:var(--ink-2);
}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(31,224,180,.08);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-lg{height:48px;padding:0 26px;font-size:15px;}
.btn-block{width:100%;}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--ink);align-items:center;justify-content:center;
}
.menu-toggle:hover{border-color:var(--line-strong);color:var(--brand);}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0 0 auto 0;z-index:55;
  background:rgba(7,12,20,.97);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  padding:84px 20px 28px;
  transform:translateY(-102%);
  transition:transform .28s cubic-bezier(.22,.61,.36,1);
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;
  min-height:48px;padding:0 14px;
  font-size:15px;color:var(--ink-2);
  border-radius:12px;border:1px solid transparent;
}
.mobile-drawer a.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--ink);border-color:var(--line);}
.mobile-drawer .drawer-actions{display:grid;gap:10px;margin-top:18px;}
.mobile-drawer .drawer-note{font-size:12px;color:var(--ink-3);margin-top:18px;line-height:1.7;}

/* breadcrumb */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:26px 0 4px;font-size:13px;color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-3);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{
  color:var(--ink-3);
  max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.breadcrumb .slash{color:rgba(255,255,255,.2);}

/* article hero */
.article-hero{
  position:relative;overflow:hidden;
  padding:26px 0 34px;
  border-bottom:1px solid var(--line);
  margin-bottom:40px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.16;
  pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.55),rgba(5,8,15,.92));
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.hero-top{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(31,224,180,.1);
  border:1px solid rgba(31,224,180,.28);
  color:var(--brand);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(31,224,180,.16);}
.hero-tools{display:flex;align-items:center;gap:8px;}
.tool-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--ink-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.tool-btn:hover{color:var(--brand);border-color:rgba(31,224,180,.35);background:rgba(31,224,180,.08);}
.article-title{
  margin:18px 0 16px;
  font-size:40px;line-height:1.24;font-weight:700;letter-spacing:-.02em;
  color:var(--ink);max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--ink-3);}
.article-meta .sep{color:rgba(255,255,255,.22);}
.article-meta strong{color:var(--ink-2);font-weight:500;}

/* layout */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 280px;
  justify-content:space-between;
  gap:56px;
  align-items:start;
  padding-bottom:8px;
}
.article-shell{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px 40px 40px;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
  min-width:0;
}
.article-body{font-size:16px;line-height:1.85;color:var(--ink-2);word-break:break-word;}
.article-body > * + *{margin-top:16px;}
.article-body h2{margin:40px 0 16px;font-size:24px;line-height:1.4;font-weight:700;color:var(--ink);}
.article-body h3{margin:28px 0 12px;font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);}
.article-body h4{margin:22px 0 10px;font-size:16px;font-weight:600;color:var(--ink);}
.article-body p{line-height:1.85;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-2);}
.article-body ul,.article-body ol{padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:10px 0;}
.article-body li::marker{color:rgba(31,224,180,.7);}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;
  background:rgba(255,255,255,.04);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:14px;margin:24px 0 12px;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;font-size:14px;margin:24px 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--panel-strong);color:var(--ink);font-weight:600;}
.article-body code{
  font-family:var(--mono);font-size:.92em;color:var(--brand);
  background:rgba(255,255,255,.06);border-radius:6px;padding:2px 6px;
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}
.article-body strong{color:var(--ink);font-weight:600;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;padding:64px 20px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-md);
  background:rgba(255,255,255,.02);
}
.empty-state p{font-size:15px;color:var(--ink-2);}

/* tags */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(31,224,180,.5);background:rgba(31,224,180,.07);}

/* prev next */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px;}
.pn-card{
  display:block;
  background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:18px;
  transition:transform .22s cubic-bezier(.22,.61,.36,1),border-color .22s ease,box-shadow .22s ease;
}
.pn-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 12px 40px -20px rgba(31,224,180,.35);}
.pn-card .pn-label{font-size:12px;color:var(--ink-3);letter-spacing:.04em;}
.pn-card .pn-title{display:block;margin-top:8px;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;}
.pn-card:hover .pn-title{color:var(--brand);}

/* sidebar */
.side-sticky{position:sticky;top:92px;display:grid;gap:18px;}
.side-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.side-card h3{font-size:15px;font-weight:600;color:var(--ink);}
.side-card .side-sub{font-size:12px;color:var(--ink-3);margin-top:6px;line-height:1.7;}
.side-list{margin-top:14px;display:grid;gap:4px;}
.side-list a{
  display:block;padding:8px 10px;
  font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.side-list a:hover{background:rgba(255,255,255,.05);color:var(--ink);}
.side-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(31,224,180,.07);}
.sub-form{margin-top:14px;display:grid;gap:10px;}
.sub-form input{
  height:44px;width:100%;padding:0 14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:10px;
  color:var(--ink);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--ink-3);}
.sub-form input:focus{outline:none;border-color:rgba(31,224,180,.62);box-shadow:var(--ring);}
.privacy-note{font-size:12px;color:var(--ink-3);line-height:1.7;}

/* sections */
.block{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-head p{font-size:15px;color:var(--ink-2);margin-top:8px;}
.link-more{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--brand-2);}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .22s cubic-bezier(.22,.61,.36,1),border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 12px 40px -20px rgba(31,224,180,.35);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-strong);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{display:flex;flex-direction:column;flex:1;padding:18px;}
.news-body h3{margin-top:12px;font-size:17px;line-height:1.45;font-weight:600;color:var(--ink);}
.news-body p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{
  margin-top:auto;padding-top:14px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}
.news-foot a{color:var(--brand);}
.news-foot a:hover{color:var(--brand-2);}

.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:40px;
  background:linear-gradient(135deg,rgba(31,224,180,.14),rgba(18,198,232,.05));
  border:1px solid rgba(31,224,180,.22);
  border-radius:20px;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:28px;line-height:1.3;font-weight:700;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}

/* footer */
.site-footer{
  margin-top:88px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding-top:64px;
  position:relative;
  z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.7;color:var(--ink-3);max-width:240px;}
.qr-box{
  width:92px;height:92px;margin-top:18px;
  border:1px dashed var(--line-strong);border-radius:12px;
  display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.6;color:var(--ink-3);
  background:rgba(255,255,255,.02);
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{display:inline-block;font-size:14px;color:var(--ink-2);transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding:22px 0 28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--ink-3);
}
.footer-bottom .sep{margin:0 8px;color:rgba(255,255,255,.2);}

@media (max-width:1279px){
  .search-input{width:196px;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .menu-toggle{display:flex;}
  .search-wrap{display:none;}
  .header-actions .icon-link{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side-sticky{position:static;}
  .article-shell{padding:30px 28px 32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .footer-brand{grid-column:span 2;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:64px;gap:12px;}
  .logo-text{font-size:16px;}
  .header-actions .btn-primary{display:none;}
  .article-title{font-size:30px;}
  .article-hero{padding:20px 0 28px;margin-bottom:28px;}
  .article-shell{padding:24px 20px 26px;}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .prevnext{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:24px;}
  .block{padding:48px 0 0;}
  .cta-band{padding:26px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-tools{width:100%;}
  .tool-btn{flex:1;justify-content:center;}
  .breadcrumb .current{max-width:200px;}
  .article-title{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{grid-column:span 1;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A111D;
  --bg-2:#0E1726;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;
  --brand-2:#12C6E8;
  --brand-deep:#0FA98A;
  --signal:#FF5B6E;
  --signal-soft:#FF8A6B;
  --ink:#E9F0F8;
  --ink-2:#9CAEC6;
  --ink-3:#65788F;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.85);
  --glow:0 10px 32px -10px rgba(31,224,180,.55);
  --ring:0 0 0 1px rgba(31,224,180,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"JetBrains Mono",Menlo,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.site-body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
::selection{background:rgba(31,224,180,.28);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.74);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#03110D;font-weight:800;font-size:13px;letter-spacing:-.02em;
  box-shadow:var(--glow);
}
.logo-text{font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--ink);}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 12px;font-size:14px;color:var(--ink-2);border-radius:8px;
  transition:color .2s var(--ease),background-color .2s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;height:2px;width:0;
  background:var(--brand);border-radius:2px;transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(255,255,255,.04);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{width:60%;}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cmd-search:focus-within{border-color:rgba(31,224,180,.6);box-shadow:var(--ring);}
.cmd-search svg{flex:0 0 auto;color:var(--ink-3);}
.cmd-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:var(--ink);font-size:13.5px;
}
.cmd-search input::placeholder{color:var(--ink-3);}
.kbd{
  flex:0 0 auto;font-family:var(--mono);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;line-height:1.5;
}
.header-quick{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2);
  transition:color .2s var(--ease);white-space:nowrap;
}
.header-quick:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--ink);align-items:center;justify-content:center;
}
.nav-toggle:focus-visible{outline:none;box-shadow:var(--ring);}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(8,13,22,.98);padding:12px 0 20px;
}
.mobile-drawer.is-open{display:block;}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 32px;
  font-size:15px;color:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.04);
}
.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-foot{padding:16px 32px 0;font-size:13px;color:var(--ink-3);line-height:1.9;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04140F;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 40px -12px rgba(31,224,180,.7);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;border-color:var(--line);color:var(--ink-2);
}
.btn-ghost:hover{background:rgba(31,224,180,.08);border-color:var(--line-strong);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:none;box-shadow:var(--ring);}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 页头 ---------- */
.page-hero{position:relative;overflow:hidden;padding:76px 0 40px;border-bottom:1px solid var(--line);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.2;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 320px at 12% 18%,rgba(31,224,180,.22),transparent 70%),
    linear-gradient(180deg,rgba(5,8,15,.55) 0%,rgba(5,8,15,.9) 62%,var(--bg-0) 100%);
}
.page-hero .container{position:relative;z-index:1;}
.hero-top{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px var(--brand);}
.page-title{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.12;font-weight:700;letter-spacing:-.02em;
  margin:0 0 16px;color:var(--ink);
}
.page-title em{font-style:normal;color:var(--brand);}
.page-lede{
  max-width:640px;margin:0;font-size:16px;line-height:1.8;color:var(--ink-2);
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;padding-bottom:6px;}

/* ---------- chips ---------- */
.chips{
  display:flex;gap:10px;margin-top:32px;overflow-x:auto;
  padding-bottom:6px;scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--ink-2);font-size:13.5px;font-weight:500;
  transition:all .2s var(--ease);cursor:pointer;
}
.chip:hover{border-color:var(--line-strong);color:var(--ink);}
.chip.is-active{border-color:rgba(31,224,180,.6);color:var(--brand);background:rgba(31,224,180,.1);}
.chip:focus-visible{outline:none;box-shadow:var(--ring);}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.section-title{
  font-size:clamp(24px,2.8vw,32px);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;margin:0 0 10px;color:var(--ink);
}
.section-desc{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:640px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);
  border-bottom:1px solid transparent;transition:border-color .2s var(--ease),gap .2s var(--ease);
}
.link-more:hover{border-color:rgba(31,224,180,.6);gap:10px;}

/* ---------- 预告流卡片 ---------- */
.stream-list{display:flex;flex-direction:column;gap:20px;}
.stream-card{
  display:grid;grid-template-columns:280px minmax(0,1fr) 200px;gap:24px;
  padding:20px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.stream-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 12px 40px -20px rgba(31,224,180,.35);}
.stream-cover{position:relative;border-radius:14px;overflow:hidden;background:var(--panel-strong);aspect-ratio:16/9;align-self:start;}
.stream-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.stream-card:hover .stream-cover img{transform:scale(1.03);}
.stream-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.05) 40%,rgba(5,8,15,.55) 100%);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.badge-live{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(255,91,110,.16);color:#FF8894;border:1px solid rgba(255,91,110,.45);
}
.badge-live .pulse{width:7px;height:7px;border-radius:50%;background:var(--signal);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,91,110,.55);}50%{opacity:.55;box-shadow:0 0 0 6px rgba(255,91,110,0);}}
.badge-soon{background:rgba(31,224,180,.12);color:var(--brand);border:1px solid rgba(31,224,180,.4);}
.badge-replay{background:rgba(255,138,107,.12);color:var(--signal-soft);border:1px solid rgba(255,138,107,.34);}
.badge-cat{
  background:rgba(255,255,255,.05);color:var(--ink-2);border:1px solid var(--line);
  font-weight:500;
}
.stream-body{min-width:0;}
.stream-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;}
.stream-title{
  font-size:20px;line-height:1.4;font-weight:600;margin:0 0 12px;color:var(--ink);
  transition:color .2s var(--ease);
}
.stream-card:hover .stream-title{color:#fff;}
.points{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:8px;}
.points li{
  position:relative;padding-left:20px;font-size:14px;line-height:1.65;color:var(--ink-2);
}
.points li::before{
  content:"";position:absolute;left:2px;top:9px;width:8px;height:4px;
  border-left:1.6px solid var(--brand);border-bottom:1.6px solid var(--brand);
  transform:rotate(-45deg);
}
.meta-row{font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.meta-row .sep{color:rgba(255,255,255,.18);}
.stream-side{display:flex;flex-direction:column;justify-content:center;gap:12px;border-left:1px solid var(--line);padding-left:20px;}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;}
.cd-block{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:8px 2px;border-radius:var(--radius-md);
  background:var(--panel-strong);border:1px solid var(--line);
}
.cd-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:20px;line-height:1.2;color:var(--brand);font-weight:600;
}
.cd-label{font-size:10.5px;color:var(--ink-3);line-height:1.2;}
.live-flag{display:flex;align-items:center;gap:8px;font-size:14px;color:#FF8894;font-weight:600;}
.live-flag .pulse{width:8px;height:8px;border-radius:50%;background:var(--signal);animation:pulse 1.6s infinite;}
.side-note{font-size:12px;color:var(--ink-3);text-align:center;line-height:1.6;}

/* ---------- 数据带 ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  padding:28px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(31,224,180,.08),rgba(18,198,232,.04));
  border:1px solid var(--line);
}
.stat{text-align:center;}
.stat-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:26px;color:var(--brand);font-weight:600;line-height:1.2;}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:6px;}

/* ---------- 编号横条 ---------- */
.step-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);}
.step-row{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:24px;align-items:start;
  padding:26px 4px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.step-row:hover{background:rgba(255,255,255,.02);}
.step-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:600;color:var(--ink-3);line-height:1.2;
  transition:color .2s var(--ease);
}
.step-row:hover .step-num{color:var(--brand);}
.step-title{font-size:19px;font-weight:600;margin:0 0 8px;color:var(--ink);line-height:1.4;}
.step-text{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:760px;}

/* ---------- 图文区块 ---------- */
.feature-split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:center;
  padding:40px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.feature-media{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.feature-media .tag-float{
  position:absolute;left:14px;bottom:14px;
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(5,8,15,.7);border:1px solid var(--line-strong);color:var(--ink-2);
  backdrop-filter:blur(8px);
}
.feature-title{font-size:24px;line-height:1.3;font-weight:700;margin:0 0 14px;color:var(--ink);}
.feature-text{margin:0 0 14px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.mini-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px;}
.mini-list li{
  position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);line-height:1.7;
}
.mini-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:8px;height:4px;
  border-left:1.6px solid var(--brand);border-bottom:1.6px solid var(--brand);
  transform:rotate(-45deg);
}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  border-radius:14px;border:1px solid var(--line);
  background:var(--panel);backdrop-filter:blur(16px);
  transition:border-color .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{border-color:rgba(31,224,180,.5);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 22px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;min-height:56px;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{
  content:"+";flex:0 0 auto;font-family:var(--mono);font-size:20px;color:var(--ink-3);
  transition:color .2s var(--ease);
}
.faq-item[open] .faq-q::after{content:"−";color:var(--brand);}
.faq-q:hover::after{color:var(--brand);}
.faq-a{
  padding:0 22px 18px;font-size:15px;line-height:1.85;color:var(--ink-2);
  border-left:2px solid var(--brand);margin-left:22px;padding-left:16px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  padding:56px 48px;border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(31,224,180,.14),rgba(18,198,232,.06) 60%,rgba(255,255,255,.02));
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(31,224,180,.35),transparent 65%);
  filter:blur(60px);opacity:.55;pointer-events:none;
}
.cta-band h2{position:relative;font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;margin:0 0 10px;color:var(--ink);}
.cta-band p{position:relative;margin:0;font-size:15px;color:var(--ink-2);max-width:560px;line-height:1.8;}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 订阅表单 ---------- */
.subscribe-strip{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:32px;align-items:center;
  padding:32px 36px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.subscribe-form{display:flex;gap:10px;}
.field-input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 16px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:var(--radius-md);color:var(--ink);font-size:14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field-input::placeholder{color:var(--ink-3);}
.field-input:focus{border-color:rgba(31,224,180,.6);box-shadow:var(--ring);}
.form-note{font-size:12px;color:var(--ink-3);margin-top:10px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:80px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px;}
.footer-brand p{margin:16px 0 18px;font-size:14px;line-height:1.8;color:var(--ink-2);max-width:260px;}
.qr-box{
  width:88px;height:88px;border-radius:12px;display:grid;place-items:center;
  border:1px dashed var(--line-strong);color:var(--ink-3);font-size:12px;
  text-align:center;line-height:1.5;background:rgba(255,255,255,.03);
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin:0 0 16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 28px;
  font-size:12px;color:var(--ink-3);
}
.footer-bottom .sep{margin:0 8px;color:rgba(255,255,255,.18);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cmd-search{width:200px;}
  .stream-card{grid-template-columns:240px minmax(0,1fr) 180px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-main,.cmd-search,.header-quick{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:56px 0 32px;}
  .section{padding:56px 0;}
  .stream-card{grid-template-columns:220px minmax(0,1fr);gap:20px;}
  .stream-side{
    grid-column:1 / -1;border-left:0;border-top:1px solid var(--line);
    padding-left:0;padding-top:16px;flex-direction:row;align-items:center;justify-content:space-between;
  }
  .countdown{max-width:260px;width:100%;}
  .feature-split{grid-template-columns:1fr;gap:28px;padding:28px;}
  .subscribe-strip{grid-template-columns:1fr;gap:20px;padding:26px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:60px;gap:12px;}
  .stream-card{grid-template-columns:1fr;padding:16px;}
  .stream-cover{aspect-ratio:16/9;}
  .stream-title{font-size:18px;}
  .stats-band{grid-template-columns:1fr;gap:16px;padding:22px;text-align:left;}
  .stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;text-align:left;border-bottom:1px solid var(--line);padding-bottom:12px;}
  .stat:last-child{border-bottom:0;padding-bottom:0;}
  .stat-label{margin-top:0;}
  .step-row{grid-template-columns:52px minmax(0,1fr);gap:14px;padding:20px 2px;}
  .step-num{font-size:20px;}
  .cta-band{padding:32px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .site-footer{margin-top:56px;padding-top:44px;}
  .faq-a{margin-left:16px;padding-left:14px;}
}
@media (max-width:520px){
  .page-title{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{width:100%;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .countdown{grid-template-columns:repeat(4,1fr);max-width:100%;}
  .stream-side{flex-direction:column;align-items:stretch;gap:10px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A111D;
  --bg-2:#0E1726;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;
  --brand-2:#12C6E8;
  --brand-deep:#0FA98A;
  --signal:#FF5B6E;
  --signal-soft:#FF8A6B;
  --ink:#E9F0F8;
  --ink-2:#9CAEC6;
  --ink-3:#65788F;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.85);
  --glow:0 10px 32px -10px rgba(31,224,180,.55);
  --ring:0 0 0 1px rgba(31,224,180,.45);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"JetBrains Mono",Menlo,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
::selection{background:rgba(31,224,180,.28);color:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:border-color .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line-strong)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;
  color:#04140F;font-weight:800;font-size:13px;letter-spacing:-.02em;
  box-shadow:0 6px 18px -8px rgba(31,224,180,.9);
}
.logo-text{font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--ink)}
.nav-main{display:flex;align-items:center;gap:2px;margin-right:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 12px;border-radius:10px;font-size:14px;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;
  width:60%;height:2px;border-radius:2px;background:var(--brand);
  transform:translateX(-50%) scaleX(0);
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:translateX(-50%) scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link:focus-visible{outline:none;box-shadow:var(--ring)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.command-search{
  position:relative;display:flex;align-items:center;
  width:240px;height:40px;padding:0 10px 0 34px;
  border:1px solid var(--line);border-radius:999px;
  background:rgba(255,255,255,.04);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.command-search > i{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--ink-3)}
.command-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  color:var(--ink);font-size:13px;font-family:var(--font);
}
.command-search input::placeholder{color:var(--ink-3)}
.command-search:focus-within{
  border-color:rgba(31,224,180,.5);
  background:rgba(31,224,180,.06);
  box-shadow:var(--ring);
}
.kbd{
  margin-left:8px;font-family:var(--mono);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:0 5px;line-height:18px;
}
.header-quick{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 12px;
  border-radius:10px;font-size:14px;color:var(--ink-2);
  transition:color .2s,background .2s;
}
.header-quick:hover{color:var(--brand);background:rgba(31,224,180,.08)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--panel);color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;
  transition:border-color .2s,background .2s;
}
.nav-toggle:hover{border-color:var(--line-strong);background:var(--panel-strong)}
.nav-toggle:focus-visible{outline:none;box-shadow:var(--ring)}
.mobile-drawer{
  position:fixed;left:0;right:0;top:68px;z-index:55;
  background:rgba(10,17,29,.98);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
  padding:10px 20px 22px;
  display:flex;flex-direction:column;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;font-size:15px;
  color:var(--ink-2);border-bottom:1px solid var(--line);
}
.mobile-drawer a:hover,.mobile-drawer a.is-active{color:var(--brand)}
.mobile-drawer .btn{margin-top:16px;width:100%;border-bottom:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;min-height:44px;padding:0 22px;border-radius:999px;
  font-size:14px;font-weight:600;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .22s var(--ease),
             background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04140F;box-shadow:var(--glow);
}
.btn-primary:hover{
  transform:translateY(-1px);filter:brightness(1.06);
  box-shadow:0 14px 38px -12px rgba(31,224,180,.7);
}
.btn-primary:active{transform:translateY(1px);filter:brightness(.98)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(31,224,180,.08);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn:focus-visible{outline:none;box-shadow:var(--ring)}
.btn-sm{height:38px;min-height:38px;padding:0 16px;font-size:13px}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:64px 0 56px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.22;
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.5) 0%,rgba(5,8,15,.82) 55%,var(--bg-0) 100%);
}
.hero-glow{
  position:absolute;width:460px;height:460px;right:-90px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,180,.4),transparent 68%);
  filter:blur(80px);opacity:.55;pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.crumbs a{transition:color .2s}
.crumbs a:hover{color:var(--brand)}
.crumbs span[aria-current]{color:var(--ink-2)}
.page-title{
  margin-top:20px;font-size:52px;line-height:1.12;font-weight:700;letter-spacing:-.02em;
}
.page-sub{margin-top:16px;max-width:660px;font-size:17px;color:var(--ink-2);line-height:1.7}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:28px}
.hero-stat b{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:24px;line-height:1.2;color:var(--brand);font-weight:600;
}
.hero-stat span{display:block;margin-top:4px;font-size:13px;color:var(--ink-3)}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:34px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink-2);font-size:14px;
  transition:border-color .2s,color .2s,background .2s,transform .2s var(--ease);
}
.chip:hover{border-color:var(--line-strong);color:var(--ink);transform:translateY(-1px)}
.chip.is-active{
  border-color:rgba(31,224,180,.55);color:var(--brand);
  background:rgba(31,224,180,.1);
}
.chip:focus-visible{outline:none;box-shadow:var(--ring)}
.hero-search{position:relative;margin-left:auto;width:320px;max-width:100%}
.hero-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-3)}
.hero-search input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);padding:0 16px 0 40px;
  color:var(--ink);font-size:14px;font-family:var(--font);outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.hero-search input::placeholder{color:var(--ink-3)}
.hero-search input:focus{border-color:rgba(31,224,180,.5);box-shadow:var(--ring);background:rgba(31,224,180,.06)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-title{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-desc{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand);transition:gap .2s var(--ease)}
.link-more:hover{gap:12px}

/* ---------- badges / meta ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;border:1px solid transparent;
  white-space:nowrap;
}
.badge-brand{color:var(--brand);background:rgba(31,224,180,.12);border-color:rgba(31,224,180,.3)}
.badge-warm{color:var(--signal-soft);background:rgba(255,138,107,.12);border-color:rgba(255,138,107,.3)}
.badge-live{color:var(--signal);background:rgba(255,91,110,.12);border-color:rgba(255,91,110,.32)}
.dot-live{width:6px;height:6px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 0 rgba(255,91,110,.7);animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,91,110,.6)}
  70%{box-shadow:0 0 0 8px rgba(255,91,110,0)}
  100%{box-shadow:0 0 0 0 rgba(255,91,110,0)}
}
.meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.meta .sep-dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);opacity:.6}
.duration{
  position:absolute;right:10px;bottom:10px;
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:12px;line-height:1;padding:5px 8px;border-radius:6px;
  background:rgba(5,8,15,.78);border:1px solid var(--line);color:var(--ink);
  backdrop-filter:blur(4px);
}

/* ---------- feature card ---------- */
.feature-card{
  display:grid;grid-template-columns:1.05fr 1fr;gap:28px;
  padding:20px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.feature-card:hover{
  transform:translateY(-2px);border-color:var(--line-strong);
  box-shadow:0 12px 40px -20px rgba(31,224,180,.35);
}
.feature-media{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:var(--panel-strong)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body{display:flex;flex-direction:column;padding:6px 4px 4px}
.feature-title{margin-top:14px;font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.point-list{display:flex;flex-direction:column;gap:9px;margin:18px 0}
.point-list li{display:flex;gap:10px;font-size:14px;line-height:1.65;color:var(--ink-2)}
.point-list i{color:var(--brand);font-size:11px;margin-top:7px;flex:0 0 auto}
.feature-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:20px}

/* ---------- play button ---------- */
.play-btn{
  position:absolute;inset:0;margin:auto;width:64px;height:64px;border-radius:50%;
  display:grid;place-items:center;font-size:18px;color:#fff;
  background:rgba(5,8,15,.55);border:1px solid rgba(255,255,255,.35);
  backdrop-filter:blur(6px);
  transition:background .25s var(--ease),color .25s var(--ease),
             transform .25s var(--ease),box-shadow .25s var(--ease);
}
.play-btn.sm{width:48px;height:48px;font-size:14px}
.feature-media:hover .play-btn,
.cover-card:hover .play-btn{
  background:rgba(31,224,180,.92);color:#04140F;
  transform:scale(1.06);box-shadow:var(--glow);border-color:transparent;
}

/* ---------- cover grid ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cover-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--panel);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cover-card:hover{
  transform:translateY(-2px);border-color:var(--line-strong);
  box-shadow:0 12px 40px -20px rgba(31,224,180,.35);
}
.cover-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-strong)}
.cover-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.cover-card:hover .cover-thumb img{transform:scale(1.03)}
.cover-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px}
.cover-body h3{font-size:18px;line-height:1.4;font-weight:600;letter-spacing:-.005em}
.cover-card:focus-visible{outline:none;box-shadow:var(--ring)}

/* ---------- compact list ---------- */
.list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.list-item{
  display:flex;gap:16px;padding:14px;border-radius:14px;
  border:1px solid var(--line);background:var(--panel);
  transition:border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.list-item:hover{
  border-color:var(--line-strong);background:var(--panel-strong);
  transform:translateY(-2px);
}
.list-thumb{
  position:relative;flex:0 0 160px;aspect-ratio:16/9;align-self:flex-start;
  border-radius:var(--radius-sm);overflow:hidden;background:var(--panel-strong);
}
.list-thumb img{width:100%;height:100%;object-fit:cover}
.list-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.list-body h3{font-size:16px;line-height:1.45;font-weight:600}
.list-body p{font-size:13px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- pager ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin-top:40px}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);color:var(--ink-2);font-size:14px;
  transition:border-color .2s,color .2s,background .2s;
}
.pager a:hover{border-color:var(--line-strong);color:var(--ink)}
.pager a.is-current{
  color:#04140F;font-weight:600;border-color:transparent;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:var(--glow);
}
.pager a.is-disabled{opacity:.4;pointer-events:none}
.pager a:focus-visible{outline:none;box-shadow:var(--ring)}

/* ---------- guarantee rows ---------- */
.guarantee{border-top:1px solid var(--line)}
.g-item{
  display:flex;align-items:flex-start;gap:22px;
  padding:26px 6px;border-bottom:1px solid var(--line);
}
.g-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:28px;line-height:1;color:var(--ink-3);
  transition:color .22s var(--ease);flex:0 0 auto;padding-top:2px;
}
.g-item:hover .g-num{color:var(--brand)}
.g-body h3{font-size:18px;line-height:1.4;font-weight:600}
.g-body p{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.7;max-width:760px}

/* ---------- faq ---------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:14px;border:1px solid var(--line);background:var(--panel);
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 20px;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.5;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:none;box-shadow:var(--ring)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-family:var(--mono);
  border:1px solid var(--line-strong);color:var(--ink-2);font-size:13px;
  transition:color .2s,border-color .2s,background .2s;
}
.faq-icon::before{content:"+"}
.faq-item[open] .faq-icon::before{content:"−"}
.faq-item[open] .faq-icon{color:var(--brand);border-color:rgba(31,224,180,.5);background:rgba(31,224,180,.1)}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{
  border-color:rgba(31,224,180,.42);
  box-shadow:inset 2px 0 0 var(--brand);
}
.faq-answer{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--bg-1);border-top:1px solid var(--line);padding:72px 0}
.cta-glow{
  position:absolute;width:520px;height:520px;left:-140px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,180,.34),transparent 68%);
  filter:blur(80px);opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.subscribe-form{display:flex;gap:10px;width:100%;max-width:460px}
.subscribe-form input{
  flex:1;min-width:0;height:48px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  padding:0 16px;color:var(--ink);font-size:14px;font-family:var(--font);outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.subscribe-form input::placeholder{color:var(--ink-3)}
.subscribe-form input:focus{border-color:rgba(31,224,180,.5);box-shadow:var(--ring);background:rgba(31,224,180,.06)}
.subscribe-form .btn{height:48px;min-height:48px;flex:0 0 auto}
.form-tip{margin-top:12px;font-size:12px;color:var(--ink-3);max-width:460px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.footer-brand p{margin:14px 0 18px;font-size:14px;line-height:1.7;color:var(--ink-2);max-width:250px}
.qr-box{
  width:84px;height:84px;border-radius:12px;
  border:1px dashed var(--line-strong);background:var(--panel);
  display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.5;color:var(--ink-3);
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:14px;letter-spacing:.01em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{display:inline-block;font-size:14px;color:var(--ink-2);transition:color .2s,transform .2s var(--ease)}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0;
  font-size:12px;color:var(--ink-3);
}
.sep{margin:0 8px;opacity:.6}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .command-search{width:200px}
  .hero-stats{gap:28px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .command-search{display:none}
  .header-quick span{display:none}
  .nav-toggle{display:inline-flex}
  .page-title{font-size:40px}
  .feature-card{grid-template-columns:1fr}
  .feature-media{aspect-ratio:16/9}
  .cover-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .section{padding:72px 0}
  .hero-search{width:100%;margin-left:0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero{padding:44px 0 44px}
  .page-title{font-size:30px}
  .page-sub{font-size:15px}
  .section-title{font-size:24px}
  .feature-title{font-size:21px}
  .cover-grid{grid-template-columns:1fr}
  .list-grid{grid-template-columns:1fr}
  .list-thumb{flex:0 0 128px}
  .g-item{gap:16px;padding:22px 4px}
  .g-num{font-size:22px}
  .cover-body h3{font-size:17px}
  .cta-band{padding:56px 0}
  .subscribe-form{flex-direction:column;max-width:100%}
  .subscribe-form .btn{width:100%}
  .feature-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .hero-stats{gap:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .header-inner{gap:12px}
  .logo-text{font-size:16px}
  .btn-sm{padding:0 12px}
  .list-item{flex-direction:column}
  .list-thumb{flex:none;width:100%}
  .hero-search input{height:48px}
  .pager a,.pager span{min-width:40px;height:40px;padding:0 12px;font-size:13px}
}

/* roulang page: category3 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A111D;
  --bg-2:#0E1726;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#1FE0B4;
  --brand-2:#12C6E8;
  --brand-deep:#0FA98A;
  --signal:#FF5B6E;
  --signal-soft:#FF8A6B;
  --ink:#E9F0F8;
  --ink-2:#9CAEC6;
  --ink-3:#65788F;
  --r-lg:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.85);
  --glow:0 10px 32px -10px rgba(31,224,180,.55);
  --ring:0 0 0 1px rgba(31,224,180,.45);
  --mono:ui-monospace,"JetBrains Mono",Menlo,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}
::selection{background:rgba(31,224,180,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line-strong);background:rgba(5,8,15,.86)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:700;letter-spacing:-.01em}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04231C;font-size:13px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 18px -8px rgba(31,224,180,.8);
}
.logo-text{font-size:17px;color:var(--ink)}
.nav-main{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 12px;font-size:14px;color:var(--ink-2);border-radius:8px;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;height:2px;width:0;
  background:var(--brand);border-radius:2px;transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:60%}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{width:60%}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.cmd-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 10px 0 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cmd-search:hover{border-color:var(--line-strong)}
.cmd-search:focus-within{border-color:rgba(31,224,180,.6);box-shadow:var(--ring);background:rgba(31,224,180,.05)}
.cmd-search svg{flex:0 0 auto;color:var(--ink-3)}
.cmd-search input{
  flex:1 1 auto;min-width:0;background:none;border:0;outline:none;
  font-size:13px;color:var(--ink);
}
.cmd-search input::placeholder{color:var(--ink-3)}
.kbd{
  flex:0 0 auto;font-size:11px;line-height:1;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:3px 5px;
  font-family:var(--mono);
}
.quick-link{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 10px;
  font-size:13px;color:var(--ink-2);border-radius:8px;transition:color .2s var(--ease);
}
.quick-link:hover{color:var(--brand)}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--panel);border:1px solid var(--line);color:var(--ink);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.menu-toggle:hover{border-color:var(--line-strong);color:var(--brand)}
.mobile-drawer{
  display:none;overflow:hidden;max-height:0;
  transition:max-height .3s var(--ease);
  border-top:1px solid transparent;
  background:rgba(5,8,15,.97);
}
.mobile-drawer.is-open{max-height:520px;border-top-color:var(--line)}
.drawer-inner{padding:12px 20px 24px;display:grid;gap:4px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 6px;
  font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);
  transition:color .2s var(--ease);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--brand)}
.drawer-foot{margin-top:16px;display:grid;gap:10px}
.drawer-note{font-size:12px;color:var(--ink-3)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04231C;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 16px 40px -12px rgba(31,224,180,.68)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.98)}
.btn-primary[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(31,224,180,.08);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px}

/* ============ 页头 Hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-1)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 80% 14%,rgba(31,224,180,.22),transparent 58%),
    linear-gradient(180deg,rgba(5,8,15,.62) 0%,rgba(5,8,15,.9) 62%,var(--bg-0) 100%);
}
.hero-inner{position:relative;z-index:2;padding:42px 0 64px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .crumb-sep{color:var(--ink-3);opacity:.6}
.breadcrumb .crumb-current{color:var(--ink-2)}
.hero-title{
  margin:26px 0 16px;max-width:760px;
  font-size:52px;line-height:1.12;font-weight:700;letter-spacing:-.02em;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{max-width:640px;font-size:16px;line-height:1.8;color:var(--ink-2)}
.hero-chips{margin-top:28px;display:flex;gap:10px;flex-wrap:wrap}
.hero-stat{margin-top:36px;display:flex;gap:44px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line)}
.hero-stat .num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:600;color:var(--brand);line-height:1.2;
}
.hero-stat .lbl{font-size:13px;color:var(--ink-3)}

/* ============ 筛选 chips ============ */
.chips{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;
  scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  min-height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--panel);color:var(--ink-2);
  font-size:13px;transition:all .22s var(--ease);
}
.chip:hover{border-color:rgba(31,224,180,.55);color:var(--brand);background:rgba(31,224,180,.08)}
.chip.is-active{border-color:rgba(31,224,180,.65);color:var(--brand);background:rgba(31,224,180,.1)}

/* ============ 主体布局 ============ */
.solution-layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);
  gap:56px;align-items:start;
  padding:72px 0 0;
}
.anchor-nav{
  position:sticky;top:92px;
  display:flex;flex-direction:column;
  border-left:1px solid var(--line);
}
.anchor-title{
  font-size:12px;letter-spacing:.12em;color:var(--ink-3);
  padding:0 0 12px 18px;text-transform:uppercase;
}
.anchor-link{
  position:relative;display:block;
  padding:10px 0 10px 18px;
  font-size:14px;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.anchor-link::before{
  content:"";position:absolute;left:-1px;top:50%;
  width:2px;height:0;background:var(--brand);border-radius:2px;
  transform:translateY(-50%);transition:height .24s var(--ease);
}
.anchor-link:hover{color:var(--ink)}
.anchor-link.is-active{color:var(--brand)}
.anchor-link.is-active::before{height:20px}

/* ============ 场景区块 ============ */
.scene{
  padding-bottom:56px;margin-bottom:56px;
  border-bottom:1px solid var(--line);
  scroll-margin-top:96px;
}
.scene:last-child{margin-bottom:0;border-bottom:0;padding-bottom:0}
.scene-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:18px}
.scene-no{
  flex:0 0 auto;margin-top:6px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--brand);border:1px solid rgba(31,224,180,.35);
  border-radius:8px;padding:3px 8px;background:rgba(31,224,180,.07);
}
.scene h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.scene-lead{margin-top:8px;font-size:15px;color:var(--ink-2)}
.scene p.body{font-size:16px;line-height:1.85;color:var(--ink-2);margin-top:16px}
.scene p.body + p.body{margin-top:14px}
.cap-list{margin-top:28px;border-top:1px solid var(--line)}
.cap-list li{
  display:flex;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.cap-no{
  flex:0 0 auto;min-width:26px;margin-top:2px;
  font-family:var(--mono);font-size:13px;color:var(--ink-3);
  transition:color .2s var(--ease);
}
.cap-list li:hover .cap-no{color:var(--brand)}
.cap-list h3{font-size:16px;line-height:1.4;font-weight:600;margin-bottom:4px}
.cap-list p{font-size:14px;line-height:1.75;color:var(--ink-2)}
.scene-media{
  margin-top:28px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel-strong);
}
.scene-media img{width:100%;aspect-ratio:16/7;object-fit:cover}
.scene-media figcaption{
  font-size:12px;color:var(--ink-3);
  padding:10px 16px;border-top:1px solid var(--line);
}

/* ============ 板块通用 ============ */
.section{padding-top:88px;scroll-margin-top:84px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:660px}

/* ============ 对比表 ============ */
.compare-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel);overflow-x:auto;
}
table.compare{width:100%;min-width:680px;border-collapse:collapse;font-size:14px}
.compare thead th{
  background:var(--panel-strong);color:var(--ink);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);
}
.compare tbody td{
  padding:14px 18px;text-align:left;color:var(--ink-2);
  border-bottom:1px solid var(--line);vertical-align:top;
}
.compare tbody tr:last-child td{border-bottom:0}
.compare tbody td:first-child{color:var(--ink);font-weight:500;white-space:nowrap}
.compare .yes{color:var(--brand)}
.compare tbody tr:hover td{background:rgba(255,255,255,.022)}

/* ============ 交付节奏 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow-item{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel);padding:22px 20px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.flow-item:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 12px 40px -20px rgba(31,224,180,.35)}
.flow-item .step{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  color:var(--brand);margin-bottom:12px;display:block;
}
.flow-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.flow-item p{font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq{max-width:820px;display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;
  background:var(--panel);overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item[open]{border-color:rgba(31,224,180,.45);background:rgba(31,224,180,.04)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 18px;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--brand)}
.faq-mark{
  flex:0 0 auto;width:22px;height:22px;position:relative;color:var(--brand);
}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;left:50%;top:50%;
  background:currentColor;border-radius:2px;transform:translate(-50%,-50%);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-mark::before{width:12px;height:2px}
.faq-mark::after{width:2px;height:12px}
.faq-item[open] .faq-mark::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{padding:0 18px 16px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border:1px solid var(--line);border-radius:20px;
  background:linear-gradient(135deg,rgba(31,224,180,.12),rgba(18,198,232,.04));
  padding:48px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(31,224,180,.28),transparent 66%);
  filter:blur(60px);pointer-events:none;
}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;position:relative;z-index:2}
.cta-band p{margin-top:10px;font-size:15px;color:var(--ink-2);position:relative;z-index:2;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:32px}
.footer-brand p{font-size:14px;line-height:1.7;color:var(--ink-2);max-width:230px;margin:14px 0 18px}
.qr-box{
  width:96px;height:96px;border:1px dashed var(--line-strong);border-radius:12px;
  display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.5;color:var(--ink-3);
  background:rgba(255,255,255,.02);
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  display:inline-block;font-size:14px;color:var(--ink-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-3);
}
.sep{margin:0 6px;opacity:.6}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .cmd-search{width:200px}
  .hero-title{font-size:46px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .cmd-search{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-drawer{display:block}
  .header-inner{gap:12px}
  .solution-layout{grid-template-columns:1fr;gap:36px;padding-top:52px}
  .anchor-nav{
    position:static;flex-direction:row;overflow-x:auto;
    border-left:0;border-bottom:1px solid var(--line);
    scrollbar-width:none;
  }
  .anchor-nav::-webkit-scrollbar{display:none}
  .anchor-title{display:none}
  .anchor-link{padding:12px 14px;white-space:nowrap}
  .anchor-link::before{display:none}
  .anchor-link.is-active{box-shadow:inset 0 -2px 0 var(--brand)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .hero-title{font-size:38px}
  .section{padding-top:72px}
}
@media (max-width:767px){
  .container{padding:0 24px}
  .hero-inner{padding:32px 0 48px}
  .hero-title{font-size:30px;margin-top:20px}
  .hero-sub{font-size:15px}
  .hero-stat{gap:28px;margin-top:28px}
  .scene h2,.section-head h2{font-size:24px}
  .scene{padding-bottom:40px;margin-bottom:40px}
  .scene-media img{aspect-ratio:16/9}
  .flow{grid-template-columns:1fr}
  .cta-band{padding:30px 24px}
  .cta-band h2{font-size:24px}
  .section{padding-top:56px}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .hero-title{font-size:27px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .cap-list li{gap:12px}
}

/* roulang page: category4 */
:root{
    --bg-0:#05080F;
    --bg-1:#0A111D;
    --bg-2:#0E1726;
    --panel:rgba(255,255,255,.045);
    --panel-strong:rgba(255,255,255,.07);
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --brand:#1FE0B4;
    --brand-2:#12C6E8;
    --brand-deep:#0FA98A;
    --signal:#FF5B6E;
    --signal-soft:#FF8A6B;
    --ink:#E9F0F8;
    --ink-2:#9CAEC6;
    --ink-3:#65788F;
    --shadow:0 24px 60px -28px rgba(0,0,0,.85);
    --glow:0 10px 32px -10px rgba(31,224,180,.55);
    --ring:0 0 0 1px rgba(31,224,180,.45);
    --r-lg:16px;
    --r-md:12px;
    --r-img:14px;
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    padding-top:68px;
    background:var(--bg-0);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    top:-220px;left:50%;
    width:900px;height:520px;
    transform:translateX(-50%);
    background:radial-gradient(closest-side,rgba(31,224,180,.18),transparent 72%);
    filter:blur(80px);
    pointer-events:none;
    z-index:0;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid rgba(31,224,180,.7);outline-offset:3px;}

  .container{
    width:100%;
    max-width:1200px !important;
    margin:0 auto;
    padding-left:32px;
    padding-right:32px;
    position:relative;
    z-index:1;
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:80;
    background:rgba(5,8,15,.72);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
    border-bottom:1px solid var(--line);
    transition:border-color .25s var(--ease),background .25s var(--ease);
  }
  .site-header.is-scrolled{border-bottom-color:var(--line-strong);background:rgba(5,8,15,.86);}
  .nav-shell{
    display:flex;
    align-items:center;
    gap:26px;
    height:68px;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:32px;height:32px;
    border-radius:10px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    color:#04120E;
    display:grid;place-items:center;
    font-weight:800;font-size:13px;letter-spacing:-.02em;
    box-shadow:0 6px 18px -8px rgba(31,224,180,.8);
  }
  .logo-text{font-weight:700;font-size:16px;letter-spacing:-.01em;color:var(--ink);}
  .nav-main{display:flex;align-items:center;gap:26px;}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:34px;
    font-size:14px;
    color:var(--ink-2);
    transition:color .2s var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:50%;bottom:-2px;
    width:0;height:2px;border-radius:2px;
    transform:translateX(-50%);
    background:var(--brand);
    transition:width .22s var(--ease);
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after,
  .nav-link.is-active::after{width:60%;}
  .nav-link.is-active{color:var(--ink);font-weight:600;}

  .nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
  .search-box{
    display:flex;align-items:center;gap:8px;
    width:240px;height:40px;
    padding:0 12px;
    border-radius:999px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .search-box:focus-within{
    border-color:rgba(31,224,180,.6);
    box-shadow:var(--ring);
    background:rgba(255,255,255,.07);
  }
  .search-box svg{flex-shrink:0;color:var(--ink-3);}
  .search-box input{
    flex:1;min-width:0;
    background:transparent;border:0;
    color:var(--ink);
    font-size:13px;
    font-family:inherit;
  }
  .search-box input::placeholder{color:var(--ink-3);}
  .search-box input:focus{outline:none;}
  .search-box kbd{
    flex-shrink:0;
    font-family:ui-monospace,"JetBrains Mono",Menlo,monospace;
    font-size:11px;
    color:var(--ink-3);
    border:1px solid var(--line);
    border-radius:6px;
    padding:1px 5px;
    line-height:1.4;
  }
  .nav-quick{
    display:inline-flex;align-items:center;gap:6px;
    font-size:13px;color:var(--ink-2);
    transition:color .2s var(--ease);
    white-space:nowrap;
  }
  .nav-quick:hover{color:var(--brand);}

  .nav-burger{
    display:none;
    width:44px;height:44px;
    border:1px solid var(--line);
    border-radius:12px;
    background:transparent;
    cursor:pointer;
    padding:0;
    position:relative;
  }
  .nav-burger span{
    position:absolute;left:50%;
    width:18px;height:2px;border-radius:2px;
    background:var(--ink);
    transform:translateX(-50%);
    transition:transform .24s var(--ease),opacity .2s var(--ease);
  }
  .nav-burger span:nth-child(1){top:15px;}
  .nav-burger span:nth-child(2){top:21px;}
  .nav-burger span:nth-child(3){top:27px;}
  .nav-burger.is-open span:nth-child(1){transform:translateX(-50%) translateY(6px) rotate(45deg);}
  .nav-burger.is-open span:nth-child(2){opacity:0;}
  .nav-burger.is-open span:nth-child(3){transform:translateX(-50%) translateY(-6px) rotate(-45deg);}

  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:rgba(6,10,19,.97);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    padding:12px 0 22px;
    max-height:calc(100vh - 68px);
    overflow-y:auto;
  }
  .mobile-drawer.is-open{display:block;animation:drawerIn .24s var(--ease);}
  @keyframes drawerIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
  .mobile-drawer a.drawer-link{
    display:flex;align-items:center;
    min-height:48px;
    padding:0 4px;
    font-size:15px;
    color:var(--ink-2);
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;}
  .drawer-foot{
    padding-top:16px;
    display:flex;flex-direction:column;gap:6px;
    font-size:13px;color:var(--ink-3);
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;
    border-radius:999px;
    font-size:14px;font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    white-space:nowrap;
    transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
    color:#04120E;
    box-shadow:var(--glow);
  }
  .btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 16px 42px -12px rgba(31,224,180,.72);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.98);}
  .btn-ghost{
    background:transparent;
    border-color:var(--line);
    color:var(--ink);
  }
  .btn-ghost:hover{border-color:var(--line-strong);background:rgba(31,224,180,.08);color:var(--brand);}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-sm{height:36px;padding:0 16px;font-size:13px;}
  .btn:focus-visible{outline:none;box-shadow:var(--ring);}
  .btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    height:26px;padding:0 11px;
    border-radius:999px;
    font-size:12px;font-weight:600;
    border:1px solid var(--line);
    background:var(--panel);
    color:var(--ink-2);
    white-space:nowrap;
  }
  .badge-brand{border-color:rgba(31,224,180,.35);color:var(--brand);background:rgba(31,224,180,.09);}
  .badge-signal{border-color:rgba(255,91,110,.4);color:var(--signal);background:rgba(255,91,110,.1);}

  /* ---------- 页头 ---------- */
  .page-hero{
    position:relative;
    padding:76px 0 60px;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .page-hero::before{
    content:"";
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    opacity:.22;
    z-index:0;
  }
  .page-hero::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,8,15,.62) 0%,rgba(5,8,15,.92) 62%,var(--bg-0) 100%);
    z-index:0;
  }
  .hero-glow{
    position:absolute;
    right:-120px;top:-140px;
    width:520px;height:520px;
    border-radius:50%;
    background:radial-gradient(closest-side,rgba(31,224,180,.28),transparent 70%);
    filter:blur(80px);
    z-index:0;
    pointer-events:none;
  }
  .hero-inner{position:relative;z-index:1;max-width:820px;}
  .page-hero h1{
    font-size:52px;
    line-height:1.12;
    letter-spacing:-.02em;
    font-weight:700;
    margin:18px 0 16px;
  }
  .page-hero h1 .accent{
    background:linear-gradient(120deg,var(--brand),var(--brand-2));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-lead{
    font-size:16px;
    line-height:1.8;
    color:var(--ink-2);
    max-width:660px;
  }

  .help-search{
    position:relative;
    display:flex;align-items:center;gap:12px;
    width:100%;max-width:640px;
    height:56px;
    margin:32px 0 0;
    padding:0 8px 0 20px;
    border-radius:999px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .help-search:focus-within{
    border-color:rgba(31,224,180,.6);
    box-shadow:var(--ring);
    background:rgba(255,255,255,.07);
  }
  .help-search svg{flex-shrink:0;color:var(--ink-3);}
  .help-search input{
    flex:1;min-width:0;
    background:transparent;border:0;
    color:var(--ink);
    font-size:15px;
    font-family:inherit;
  }
  .help-search input::placeholder{color:var(--ink-3);}
  .help-search input:focus{outline:none;}
  .help-search .btn{flex-shrink:0;}
  .hero-tags{
    display:flex;flex-wrap:wrap;gap:8px;
    margin-top:20px;
  }
  .hero-tags a{
    display:inline-flex;align-items:center;
    height:32px;padding:0 14px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--panel);
    color:var(--ink-2);
    font-size:13px;
    transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
  }
  .hero-tags a:hover{border-color:rgba(31,224,180,.5);color:var(--brand);background:rgba(31,224,180,.08);}

  /* ---------- 通用板块 ---------- */
  .section{padding:72px 0 0;}
  .section:last-of-type{padding-bottom:0;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
    margin-bottom:32px;
  }
  .section-head h2{
    font-size:32px;
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .section-head p{
    margin-top:10px;
    font-size:15px;
    color:var(--ink-2);
  }
  .section-head .head-link{
    font-size:14px;
    color:var(--ink-2);
    display:inline-flex;align-items:center;gap:6px;
    transition:color .2s var(--ease),transform .2s var(--ease);
  }
  .section-head .head-link:hover{color:var(--brand);transform:translateX(2px);}

  /* ---------- 常用入口卡 ---------- */
  .entry-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:20px;
  }
  .entry-card{
    display:block;
    padding:22px;
    border-radius:var(--r-lg);
    background:var(--panel);
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
    box-shadow:var(--shadow);
    transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .entry-card:hover{
    transform:translateY(-2px);
    border-color:var(--line-strong);
    box-shadow:0 12px 40px -20px rgba(31,224,180,.35);
  }
  .entry-icon{
    width:40px;height:40px;
    border-radius:12px;
    display:grid;place-items:center;
    background:rgba(31,224,180,.1);
    border:1px solid rgba(31,224,180,.28);
    color:var(--brand);
    margin-bottom:16px;
  }
  .entry-card h3{
    font-size:17px;
    font-weight:600;
    line-height:1.4;
    margin-bottom:8px;
  }
  .entry-card p{
    font-size:13px;
    line-height:1.7;
    color:var(--ink-2);
  }
  .entry-card .entry-more{
    display:inline-flex;align-items:center;gap:6px;
    margin-top:14px;
    font-size:13px;
    color:var(--ink-3);
    transition:color .2s var(--ease);
  }
  .entry-card:hover .entry-more{color:var(--brand);}

  /* ---------- FAQ 布局 ---------- */
  .help-layout{
    display:grid;
    grid-template-columns:236px minmax(0,1fr);
    gap:48px;
    align-items:start;
  }
  .side-nav{
    position:sticky;
    top:92px;
    border-radius:var(--r-lg);
    background:var(--panel);
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
    padding:16px 12px;
  }
  .side-nav h2{
    font-size:12px;
    font-weight:600;
    letter-spacing:.08em;
    color:var(--ink-3);
    padding:0 10px;
    margin-bottom:10px;
  }
  .side-nav a{
    position:relative;
    display:flex;align-items:center;
    min-height:44px;
    padding:0 12px;
    border-radius:10px;
    font-size:14px;
    color:var(--ink-2);
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .side-nav a:hover{background:rgba(255,255,255,.05);color:var(--ink);}
  .side-nav a.is-active{
    color:var(--brand);
    background:rgba(31,224,180,.08);
    font-weight:600;
  }
  .side-nav a.is-active::before{
    content:"";
    position:absolute;left:0;top:10px;bottom:10px;
    width:2px;border-radius:2px;
    background:var(--brand);
  }
  .side-nav .side-foot{
    margin-top:14px;
    padding:14px 12px 4px;
    border-top:1px solid var(--line);
    font-size:12px;
    line-height:1.7;
    color:var(--ink-3);
  }

  .faq-group{margin-bottom:48px;scroll-margin-top:92px;}
  .faq-group:last-child{margin-bottom:0;}
  .faq-group h2{
    font-size:24px;
    font-weight:700;
    line-height:1.35;
    display:flex;align-items:center;gap:10px;
  }
  .faq-group h2 .dot{
    width:8px;height:8px;border-radius:50%;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    box-shadow:0 0 12px rgba(31,224,180,.8);
    flex-shrink:0;
  }
  .faq-group .group-desc{
    margin:10px 0 18px;
    font-size:14px;
    color:var(--ink-2);
  }

  .faq-item{
    border:1px solid var(--line);
    border-radius:14px;
    background:var(--panel);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
    margin-bottom:12px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .faq-item:hover{border-color:var(--line-strong);}
  .faq-item[open]{
    border-color:rgba(31,224,180,.45);
    background:var(--panel-strong);
    box-shadow:0 12px 40px -24px rgba(31,224,180,.45);
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    position:relative;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:54px;
    padding:14px 20px;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    line-height:1.5;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::before{
    content:"";
    position:absolute;left:0;top:14px;bottom:14px;
    width:2px;border-radius:2px;
    background:var(--brand);
    opacity:0;
    transition:opacity .2s var(--ease);
  }
  .faq-item[open] summary::before{opacity:1;}
  .faq-sign{
    flex-shrink:0;
    width:24px;height:24px;
    display:grid;place-items:center;
    border-radius:50%;
    border:1px solid var(--line);
    color:var(--ink-3);
    font-size:16px;
    line-height:1;
    transition:transform .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  }
  .faq-item[open] .faq-sign{
    transform:rotate(45deg);
    color:var(--brand);
    border-color:rgba(31,224,180,.5);
  }
  .faq-body{
    padding:0 20px 18px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
  }
  .faq-body p + p{margin-top:10px;}
  .faq-body strong{color:var(--ink);font-weight:600;}
  .faq-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}

  /* ---------- 数据条 ---------- */
  .stat-band{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:20px;
    margin-top:56px;
    padding:26px;
    border-radius:var(--r-lg);
    background:var(--panel);
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
  }
  .stat{
    display:flex;flex-direction:column;gap:4px;
    padding-left:20px;
    border-left:1px solid var(--line);
  }
  .stat:first-child{padding-left:0;border-left:0;}
  .stat-num{
    font-family:ui-monospace,"JetBrains Mono",Menlo,monospace;
    font-variant-numeric:tabular-nums;
    font-size:24px;
    font-weight:700;
    color:var(--brand);
    letter-spacing:-.02em;
  }
  .stat-label{font-size:13px;color:var(--ink-3);}

  /* ---------- 联系支持卡 ---------- */
  .support-card{
    display:grid;
    grid-template-columns:minmax(0,1fr) 340px;
    gap:40px;
    align-items:center;
    margin-top:72px;
    padding:36px;
    border-radius:var(--r-lg);
    background:linear-gradient(135deg,rgba(31,224,180,.08),rgba(18,198,232,.04) 48%,rgba(255,255,255,.03));
    border:1px solid var(--line-strong);
    box-shadow:var(--shadow);
  }
  .support-card h2{
    font-size:28px;
    line-height:1.3;
    font-weight:700;
    margin-bottom:12px;
  }
  .support-card p{
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
    max-width:520px;
  }
  .support-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
  .support-media{
    position:relative;
    border-radius:var(--r-img);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--panel-strong);
    aspect-ratio:16/10;
  }
  .support-media img{
    width:100%;height:100%;
    object-fit:cover;
    object-position:center 40%;
    opacity:.92;
  }
  .support-media .media-tag{
    position:absolute;
    left:12px;top:12px;
    height:26px;padding:0 10px;
    display:inline-flex;align-items:center;gap:6px;
    border-radius:999px;
    font-size:12px;font-weight:600;
    color:#04120E;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
  }

  /* ---------- CTA 横条 ---------- */
  .cta-band{
    position:relative;
    margin-top:72px;
    padding:48px 40px;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line-strong);
    background-color:var(--bg-1);
    background-image:url('/assets/images/backpic/back-3.webp');
    background-size:cover;
    background-position:center;
    text-align:center;
  }
  .cta-band::before{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,8,15,.82),rgba(5,8,15,.94));
    z-index:0;
  }
  .cta-band > *{position:relative;z-index:1;}
  .cta-band h2{
    font-size:30px;
    line-height:1.3;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .cta-band p{
    margin-top:12px;
    font-size:15px;
    color:var(--ink-2);
  }
  .cta-actions{
    display:flex;flex-wrap:wrap;justify-content:center;gap:12px;
    margin-top:26px;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:96px;
    background:var(--bg-1);
    border-top:1px solid var(--line);
    padding-top:64px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;
    gap:32px;
    padding-bottom:48px;
  }
  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    line-height:1.75;
    color:var(--ink-2);
    max-width:240px;
  }
  .qr-box{
    margin-top:20px;
    width:88px;height:88px;
    border-radius:12px;
    border:1px dashed var(--line-strong);
    background:var(--panel);
    display:grid;place-items:center;
    text-align:center;
    font-size:12px;
    line-height:1.5;
    color:var(--ink-3);
  }
  .footer-col h4{
    font-size:14px;
    font-weight:600;
    color:var(--ink);
    margin-bottom:16px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    font-size:14px;
    color:var(--ink-2);
    display:inline-block;
    transition:color .2s var(--ease),transform .2s var(--ease);
  }
  .footer-col a:hover{color:var(--brand);transform:translateX(2px);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    padding:22px 0 28px;
    border-top:1px solid var(--line);
    font-size:12px;
    color:var(--ink-3);
  }
  .footer-bottom .sep{margin:0 8px;opacity:.55;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .search-box{width:180px;}
    .nav-quick{display:none;}
    .nav-main{gap:20px;}
    .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .support-card{grid-template-columns:minmax(0,1fr) 280px;gap:28px;}
  }
  @media (max-width:1023px){
    .nav-main{display:none;}
    .search-box{display:none;}
    .nav-burger{display:block;}
    .nav-tools .btn-primary{display:none;}
    .page-hero{padding:60px 0 48px;}
    .page-hero h1{font-size:38px;}
    .help-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
    .side-nav{
      position:static;
      display:flex;flex-wrap:wrap;gap:8px;
      padding:14px;
    }
    .side-nav h2{width:100%;padding:0 4px;margin-bottom:2px;}
    .side-nav a{
      min-height:40px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      font-size:13px;
    }
    .side-nav a.is-active{background:rgba(31,224,180,.1);border-color:rgba(31,224,180,.45);}
    .side-nav a.is-active::before{display:none;}
    .side-nav .side-foot{display:none;}
    .support-card{grid-template-columns:minmax(0,1fr);}
    .support-media{order:-1;max-width:100%;}
    .footer-grid{grid-template-columns:1fr 1fr 1fr;}
    .footer-brand{grid-column:1 / -1;}
  }
  @media (max-width:767px){
    .container{padding-left:20px;padding-right:20px;}
    .section{padding-top:56px;}
    .section-head h2{font-size:24px;}
    .page-hero h1{font-size:30px;}
    .hero-lead{font-size:15px;}
    .help-search{height:52px;padding-left:16px;}
    .help-search .btn span{display:none;}
    .help-search .btn{width:44px;padding:0;}
    .entry-grid{grid-template-columns:minmax(0,1fr);}
    .stat-band{grid-template-columns:minmax(0,1fr);gap:16px;}
    .stat{padding-left:0;border-left:0;padding-top:14px;border-top:1px solid var(--line);}
    .stat:first-child{padding-top:0;border-top:0;}
    .faq-group h2{font-size:20px;}
    .faq-item summary{font-size:15px;padding:14px 16px;}
    .faq-body{padding:0 16px 16px;font-size:14px;}
    .support-card{padding:24px;}
    .support-card h2{font-size:22px;}
    .cta-band{padding:36px 22px;}
    .cta-band h2{font-size:22px;}
    .cta-actions .btn{width:100%;}
    .site-footer{margin-top:64px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .footer-bottom{flex-direction:column;font-size:12px;}
  }
  @media (max-width:519px){
    .footer-grid{grid-template-columns:1fr;}
    .support-actions .btn{width:100%;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
    html{scroll-behavior:auto;}
  }