/* roulang page: index */
:root{
  --bg-0:#070B0C;
  --bg-1:#0C1315;
  --bg-2:#111B1E;
  --ink-0:#EAF4F2;
  --ink-1:#9FB3AF;
  --ink-2:#6B807C;
  --brand:#16E0A0;
  --brand-deep:#0BA97A;
  --accent:#FFB020;
  --line:rgba(22,224,160,.16);
  --line-soft:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.055);
  --glow:0 8px 28px rgba(22,224,160,.22);
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-xs:10px;
  --max:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-0);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 82% -6%, rgba(22,224,160,.10), transparent 70%),
    radial-gradient(560px 380px at 4% 22%, rgba(255,176,32,.06), transparent 72%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.04;
  background-image:linear-gradient(rgba(22,224,160,.6) 1px, transparent 1px),linear-gradient(90deg, rgba(22,224,160,.6) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.section{padding:88px 0;position:relative;z-index:1;}
.section--tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-head p{color:var(--ink-1);font-size:14.5px;margin-top:10px;max-width:620px;}
.more-link{color:var(--brand);font-size:14px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:color .18s ease,gap .18s ease;}
.more-link:hover{gap:10px;color:#3df0b6;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,12,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .24s ease;
}
.site-header.is-stuck{background:rgba(7,11,12,.94);}
.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;letter-spacing:.01em;color:var(--ink-0);}
.logo-mark{width:26px;height:26px;flex:0 0 26px;display:grid;place-items:center;border:1.6px solid var(--brand);border-radius:8px;box-shadow:var(--glow);}
.logo-mark i{display:block;width:2.5px;border-radius:2px;background:var(--brand);}
.logo-mark .b1{height:8px;opacity:.55;}
.logo-mark .b2{height:14px;}
.logo-mark .b3{height:10px;opacity:.75;}
.logo-mark{display:flex;align-items:center;justify-content:center;gap:3px;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:var(--r-xs);
  font-size:14.5px;color:var(--ink-1);
  transition:color .18s ease,background .18s ease;
  position:relative;
}
.nav-link:hover{color:var(--ink-0);background:rgba(22,224,160,.07);}
.nav-link.active{color:var(--brand);background:rgba(22,224,160,.1);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(22,224,160,.9);
}
.nav-actions{display:flex;align-items:center;gap:10px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#04140F;box-shadow:var(--glow);}
.btn-primary:hover{background:#33ebb0;transform:translateY(-2px);box-shadow:0 12px 30px rgba(22,224,160,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(22,224,160,.24);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--brand);}
.btn-outline:hover{border-color:var(--brand);background:rgba(22,224,160,.06);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink-1);padding:0 4px;height:auto;}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost .arrow{transition:transform .18s ease;}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:var(--r-xs);}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-xs);border:1px solid var(--line);
  background:var(--glass);display:grid;place-items:center;color:var(--ink-1);cursor:pointer;
  transition:color .18s ease,border-color .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:72px 0 76px;overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(180deg,rgba(7,11,12,.82),rgba(7,11,12,.97)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.28);
  color:var(--accent);font-size:12.5px;letter-spacing:.02em;font-weight:600;
}
.dot{width:7px;height:7px;border-radius:999px;background:currentColor;box-shadow:0 0 0 4px rgba(255,176,32,.16);}
.dot--live{background:var(--brand);color:var(--brand);box-shadow:0 0 0 4px rgba(22,224,160,.18);animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}
.hero h1{
  font-size:clamp(28px,4vw,50px);font-weight:800;line-height:1.18;
  letter-spacing:-.02em;margin:20px 0 16px;max-width:660px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:16px;line-height:1.75;color:var(--ink-1);max-width:600px;margin-bottom:26px;}
.countdown{display:flex;align-items:center;gap:8px;margin-bottom:28px;}
.cd-cell{
  min-width:76px;padding:10px 12px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--line);text-align:center;
  backdrop-filter:blur(14px) saturate(120%);
}
.cd-num{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;line-height:1.15;color:var(--accent);letter-spacing:-.02em;
}
.cd-label{display:block;font-size:11.5px;color:var(--ink-2);letter-spacing:.06em;margin-top:4px;}
.cd-sep{font-family:var(--mono);color:var(--ink-2);font-size:20px;transform:translateY(-6px);}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.hero-note{display:flex;gap:20px;flex-wrap:wrap;margin-top:26px;color:var(--ink-2);font-size:13px;}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note svg{color:var(--brand);}

.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-1);box-shadow:var(--shadow);
}
.hero-card .media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.hero-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.hero-card:hover .media img{transform:scale(1.03);}
.hero-card .media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,12,.1) 30%,rgba(7,11,12,.92) 100%);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-xs);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge--cat{background:rgba(22,224,160,.12);color:var(--brand);}
.badge--soon{background:rgba(255,176,32,.14);color:var(--accent);}
.badge--live{background:rgba(22,224,160,.16);color:var(--brand);}
.badge--end{background:rgba(255,255,255,.07);color:var(--ink-2);}
.hero-card .status{position:absolute;top:14px;right:14px;z-index:2;backdrop-filter:blur(8px);}
.hero-card .info{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.055);
  backdrop-filter:blur(14px) saturate(120%);
  border-top:1px solid rgba(255,255,255,.1);
}
.hero-card .info strong{display:block;font-size:14.5px;font-weight:600;}
.hero-card .info time{display:block;font-family:var(--mono);font-size:12.5px;color:var(--accent);letter-spacing:-.02em;margin-top:2px;}
.hero-card .body{padding:18px 20px 20px;}
.hero-card .body p{font-size:13.5px;color:var(--ink-1);line-height:1.7;}
.hero-card .body .tags{margin-top:12px;}

/* ---------- tags ---------- */
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;padding:3px 9px;border-radius:999px;
  border:1px solid var(--line);color:var(--ink-1);background:rgba(255,255,255,.03);
}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.tl-item{display:grid;grid-template-columns:112px 28px 1fr;gap:0 18px;padding-bottom:26px;position:relative;}
.tl-item:last-child{padding-bottom:0;}
.tl-time{
  font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  font-size:15px;color:var(--brand);padding-top:22px;text-align:right;
}
.tl-time small{display:block;font-family:var(--font);font-size:11.5px;color:var(--ink-2);letter-spacing:.04em;margin-top:2px;}
.tl-rail{position:relative;display:flex;justify-content:center;}
.tl-rail::before{content:"";position:absolute;top:0;bottom:-26px;width:1px;background:var(--line);}
.tl-item:last-child .tl-rail::before{display:none;}
.tl-node{
  width:10px;height:10px;border-radius:999px;background:var(--bg-0);
  border:2px solid var(--brand);margin-top:26px;position:relative;z-index:1;box-shadow:0 0 0 4px rgba(22,224,160,.1);
}
.tl-node--soon{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,176,32,.12);}
.tl-node--end{border-color:var(--ink-2);box-shadow:none;}
.live-card{
  display:grid;grid-template-columns:220px 1fr;gap:20px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.live-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow),var(--glow);}
.live-card .thumb{position:relative;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;}
.live-card .thumb img{width:100%;height:100%;object-fit:cover;}
.live-card .thumb .status{position:absolute;top:10px;left:10px;}
.live-card h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:6px;}
.live-card .meta{font-family:var(--mono);font-size:12.5px;color:var(--accent);letter-spacing:-.02em;margin-bottom:10px;}
.live-card p{font-size:13.5px;color:var(--ink-1);line-height:1.7;margin-bottom:12px;}
.live-card .foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}

/* ---------- feature list ---------- */
.feature-list{border-top:1px solid var(--line-soft);}
.feature-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--line-soft);
  transition:background .18s ease;
}
.feature-item:hover{background:rgba(22,224,160,.03);}
.feature-num{
  font-family:var(--mono);font-size:28px;font-weight:700;letter-spacing:-.03em;
  color:rgba(22,224,160,.5);line-height:1.2;
}
.feature-item h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.feature-item p{font-size:14.5px;color:var(--ink-1);line-height:1.75;max-width:760px;}

/* ---------- news grid ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  min-height:100%;
}
.news-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow),var(--glow);}
.news-card .top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.news-card time{font-family:var(--mono);font-size:12px;color:var(--ink-2);letter-spacing:-.01em;}
.news-card h3{
  font-size:16.5px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:13.5px;color:var(--ink-1);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:6px;color:var(--brand);font-size:13px;}
.news-card .foot .arrow{transition:transform .18s ease;}
.news-card:hover .foot .arrow{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:44px 20px;border-radius:var(--r-md);
  border:1px dashed var(--line);background:rgba(255,255,255,.025);
}
.empty-state .ico{width:44px;height:44px;margin:0 auto 14px;border-radius:12px;display:grid;place-items:center;background:rgba(22,224,160,.1);color:var(--brand);}
.empty-state p{color:var(--ink-1);font-size:14px;margin-bottom:16px;}

/* ---------- category shortcuts ---------- */
.cat-links{display:grid;grid-template-columns:1fr;gap:16px;}
.cat-link{
  display:flex;align-items:center;gap:18px;
  padding:22px 24px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow);backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.cat-link:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow),var(--glow);}
.cat-link .ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(22,224,160,.1);color:var(--brand);border:1px solid var(--line);
}
.cat-link h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.cat-link p{font-size:13.5px;color:var(--ink-1);line-height:1.65;}
.cat-link .go{margin-left:auto;color:var(--brand);flex:0 0 auto;transition:transform .18s ease;}
.cat-link:hover .go{transform:translateX(4px);}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;}
.faq details{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 18px;backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq details[open]{border-color:rgba(22,224,160,.42);box-shadow:0 0 0 1px rgba(22,224,160,.12),0 10px 26px rgba(0,0,0,.4);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 0;font-size:15.5px;font-weight:600;color:var(--ink-0);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .mark{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;position:relative;color:var(--brand);
}
.faq summary .mark::before,.faq summary .mark::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq summary .mark::before{left:9px;top:2px;width:2px;height:16px;}
.faq summary .mark::after{top:9px;left:2px;height:2px;width:16px;}
.faq details[open] summary .mark::before{transform:rotate(90deg);opacity:0;}
.faq .answer{padding:0 0 20px;font-size:14.5px;line-height:1.8;color:var(--ink-1);border-left:3px solid rgba(22,224,160,.5);padding-left:14px;margin-left:0;}

/* ---------- subscribe ---------- */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
  padding:36px;
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(120deg,rgba(7,11,12,.94),rgba(7,11,12,.72)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.6;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);font-weight:700;line-height:1.35;margin-bottom:10px;}
.cta-band p{font-size:14.5px;color:var(--ink-1);line-height:1.75;max-width:460px;}
.subscribe-form{display:flex;gap:10px;}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--ink-0);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.subscribe-form input::placeholder{color:var(--ink-2);}
.subscribe-form input:focus{
  outline:none;border-color:var(--brand);background:rgba(22,224,160,.06);
  box-shadow:0 0 0 3px rgba(22,224,160,.12);
}
.subscribe-form .btn{height:48px;flex:0 0 auto;}
.form-hint{font-size:12.5px;color:var(--ink-2);margin-top:10px;}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);position:relative;z-index:1;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand p{font-size:13.5px;color:var(--ink-1);line-height:1.75;margin:14px 0 14px;max-width:280px;}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--brand);}
.footer-col h4{font-size:13px;font-weight:700;color:var(--ink-0);letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--ink-1);transition:color .18s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding:18px 0 22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-2);
}
.footer-bottom .mono{font-family:var(--mono);letter-spacing:-.01em;}

/* ---------- mobile tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:60px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(9,14,16,.94);border-top:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
}
.mobile-tab ul{display:flex;height:60px;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--ink-2);position:relative;transition:color .18s ease;
}
.mobile-tab a svg{width:22px;height:22px;}
.mobile-tab a.active{color:var(--brand);}
.mobile-tab a.active::before{
  content:"";position:absolute;top:4px;width:12px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(22,224,160,.9);
}
.nav-toggle{display:none;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:36px;}
  .live-card{grid-template-columns:180px 1fr;}
}
@media (max-width:1024px){
  .section{padding:64px 0;}
  .hero{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .cta-band{grid-template-columns:1fr;gap:20px;padding:28px;}
  .tl-item{grid-template-columns:88px 24px 1fr;gap:0 14px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  body{padding-bottom:60px;}
  .nav-links,.nav-actions .btn{display:none;}
  .nav-actions{gap:8px;}
  .nav-toggle{display:grid;}
  .hero{padding:40px 0 48px;}
  .hero h1{margin:16px 0 14px;}
  .hero-sub{font-size:15px;}
  .cd-cell{min-width:0;flex:1;padding:8px 6px;}
  .cd-num{font-size:22px;}
  .countdown{gap:6px;}
  .section{padding:52px 0;}
  .section--tight{padding:40px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  .live-card{grid-template-columns:1fr;gap:14px;}
  .live-card .thumb{max-width:100%;}
  .tl-item{grid-template-columns:1fr;gap:10px;padding-left:22px;padding-bottom:22px;}
  .tl-rail{display:none;}
  .tl-time{text-align:left;padding-top:0;display:flex;align-items:baseline;gap:8px;}
  .tl-time small{display:inline;margin-top:0;}
  .tl-item::before{
    content:"";position:absolute;left:4px;top:8px;bottom:0;width:1px;background:var(--line);
  }
  .tl-item:last-child::before{display:none;}
  .tl-item::after{
    content:"";position:absolute;left:0;top:6px;width:9px;height:9px;border-radius:999px;
    background:var(--bg-0);border:2px solid var(--brand);
  }
  .feature-item{grid-template-columns:1fr;gap:8px;padding:22px 0;}
  .feature-num{font-size:22px;}
  .news-grid{grid-template-columns:1fr;}
  .cat-link{padding:18px;gap:14px;}
  .cta-band{padding:24px 20px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding-top:42px;}
  .mobile-tab{display:block;}
}
@media (max-width:420px){
  .container{padding:0 16px;}
  .nav{height:60px;}
  .logo{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;gap:10px;}
  .cd-num{font-size:19px;}
  .cd-label{font-size:10.5px;}
  .live-card{padding:14px;}
  .badge{font-size:11.5px;}
}

/* roulang page: article */
:root{
    --bg-0:#070B0C;
    --bg-1:#0C1315;
    --bg-2:#111B1E;
    --ink-0:#EAF4F2;
    --ink-1:#9FB3AF;
    --ink-2:#6B807C;
    --brand:#16E0A0;
    --brand-deep:#0BA97A;
    --accent:#FFB020;
    --line:rgba(22,224,160,.16);
    --glass:rgba(255,255,255,.055);
    --glow:0 8px 28px rgba(22,224,160,.22);
    --shadow:0 12px 32px rgba(0,0,0,.45);
    --r-lg:20px;
    --r-md:16px;
    --r-sm:12px;
    --r-xs:10px;
    --container:1200px;
    --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
    margin:0;
    background:var(--bg-0);
    color:var(--ink-1);
    font-family:var(--font);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
        radial-gradient(620px 420px at 88% -6%,rgba(22,224,160,.11),transparent 70%),
        radial-gradient(520px 380px at -8% 34%,rgba(22,224,160,.055),transparent 72%);
}
body::after{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    opacity:.035;
    background-image:linear-gradient(rgba(234,244,242,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(234,244,242,.9) 1px,transparent 1px);
    background-size:64px 64px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-0);font-weight:700;line-height:1.32}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:8px}
::selection{background:rgba(22,224,160,.28);color:#fff}
.container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 32px;
    position:relative;
    z-index:1;
}
/* ---------- Header ---------- */
.site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(7,11,12,.74);
    backdrop-filter:blur(14px) saturate(120%);
    -webkit-backdrop-filter:blur(14px) saturate(120%);
    border-bottom:1px solid var(--line);
    transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
    background:rgba(7,11,12,.94);
    box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{
    display:flex;
    align-items:center;
    gap:28px;
    height:68px;
}
.logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-weight:800;
    font-size:16px;
    letter-spacing:.02em;
    color:var(--ink-0);
    white-space:nowrap;
}
.logo-mark{
    display:inline-flex;
    align-items:flex-end;
    gap:3px;
    height:19px;
}
.logo-mark i{
    display:block;
    width:3px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 10px rgba(22,224,160,.75);
}
.logo-mark .b1{height:9px;opacity:.6}
.logo-mark .b2{height:14px}
.logo-mark .b3{height:19px;opacity:.86}
.nav-links{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:6px;
}
.nav-link{
    position:relative;
    padding:8px 14px;
    border-radius:var(--r-xs);
    font-size:14.5px;
    color:var(--ink-1);
    transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--ink-0);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
    content:"";
    position:absolute;
    left:14px;
    right:14px;
    bottom:1px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 10px rgba(22,224,160,.85);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
/* ---------- Buttons ---------- */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 22px;
    border-radius:var(--r-sm);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    white-space:nowrap;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:var(--r-xs)}
.btn-primary{
    background:var(--brand);
    color:#04120D;
    box-shadow:var(--glow);
}
.btn-primary:hover{background:#2BEBAE;transform:translateY(-2px);box-shadow:0 10px 32px rgba(22,224,160,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(22,224,160,.24)}
.btn-ghost{
    background:transparent;
    border-color:var(--line);
    color:var(--brand);
}
.btn-ghost:hover{border-color:var(--brand);background:rgba(22,224,160,.06)}
.btn-ghost:active{background:rgba(22,224,160,.1)}
.btn-text{
    background:none;
    border:0;
    padding:0;
    height:auto;
    color:var(--brand);
    font-weight:600;
    font-size:14px;
    display:inline-flex;
    align-items:center;
    gap:6px;
    cursor:pointer;
}
.btn-text svg{transition:transform .18s ease}
.btn-text:hover svg{transform:translateX(4px)}
/* ---------- Breadcrumb ---------- */
.breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    padding:26px 0 0;
    font-size:12.5px;
    letter-spacing:.02em;
    color:var(--ink-2);
}
.breadcrumb a{color:var(--ink-2);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(107,128,124,.55)}
.breadcrumb .current{
    color:var(--ink-1);
    max-width:62vw;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}
/* ---------- Article head ---------- */
.article-head{
    max-width:840px;
    padding:26px 0 0;
}
.badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 10px;
    border-radius:var(--r-xs);
    font-size:12px;
    letter-spacing:.02em;
    line-height:1.6;
}
.badge-cat{
    background:rgba(22,224,160,.12);
    color:var(--brand);
    border:1px solid rgba(22,224,160,.24);
}
.badge-accent{
    background:rgba(255,176,32,.14);
    color:var(--accent);
    border:1px solid rgba(255,176,32,.24);
}
.article-title{
    margin:16px 0 0;
    font-size:clamp(28px,3.6vw,44px);
    font-weight:800;
    line-height:1.25;
    letter-spacing:-.01em;
    color:var(--ink-0);
}
.meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px 16px;
    margin-top:18px;
    font-size:13px;
    color:var(--ink-2);
}
.meta .dot-sep{
    width:4px;
    height:4px;
    border-radius:50%;
    background:rgba(107,128,124,.55);
}
.meta .mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.article-rule{height:1px;background:var(--line);margin:26px 0 0}
/* ---------- Prose ---------- */
.article-body{padding:40px 0 56px}
.prose{
    max-width:760px;
    margin:0 auto;
    font-size:16px;
    line-height:1.9;
    color:var(--ink-1);
}
.prose p{margin:0 0 18px}
.prose h2{
    position:relative;
    margin:34px 0 14px;
    padding-left:14px;
    font-size:clamp(20px,2vw,26px);
    font-weight:700;
    line-height:1.4;
    color:var(--ink-0);
}
.prose h2::before{
    content:"";
    position:absolute;
    left:0;
    top:.28em;
    width:3px;
    height:1em;
    border-radius:3px;
    background:var(--brand);
    box-shadow:0 0 12px rgba(22,224,160,.65);
}
.prose h3{
    margin:26px 0 10px;
    font-size:18px;
    font-weight:600;
    color:var(--ink-0);
}
.prose h4{margin:22px 0 8px;font-size:16px;color:var(--ink-0)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose li{margin:0 0 8px;line-height:1.8}
.prose li::marker{color:var(--brand)}
.prose blockquote{
    margin:22px 0;
    padding:16px 20px;
    border-left:3px solid var(--brand);
    border-radius:0 var(--r-sm) var(--r-sm) 0;
    background:var(--bg-2);
    color:var(--ink-1);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{
    max-width:100%;
    height:auto;
    margin:22px auto;
    border-radius:var(--r-sm);
    box-shadow:var(--shadow);
}
.prose figure{margin:22px 0}
.prose figcaption{
    margin-top:10px;
    text-align:center;
    font-size:12.5px;
    color:var(--ink-2);
}
.prose a{
    color:var(--brand);
    border-bottom:1px solid rgba(22,224,160,.35);
    transition:border-color .18s ease,color .18s ease;
}
.prose a:hover{color:#4BF3BC;border-bottom-color:var(--brand)}
.prose strong{color:var(--ink-0);font-weight:700}
.prose code{
    padding:2px 6px;
    border-radius:6px;
    background:rgba(255,255,255,.07);
    font-family:var(--mono);
    font-size:13.5px;
    color:var(--brand);
}
.prose pre{
    margin:20px 0;
    padding:18px;
    border-radius:var(--r-sm);
    background:var(--bg-2);
    border:1px solid var(--line);
    overflow-x:auto;
}
.prose pre code{background:none;padding:0;color:var(--ink-1)}
.prose table{
    width:100%;
    margin:20px 0;
    border-collapse:collapse;
    font-size:14.5px;
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    overflow:hidden;
}
.prose th,.prose td{
    padding:11px 14px;
    border-bottom:1px solid var(--line);
    text-align:left;
}
.prose th{background:rgba(22,224,160,.08);color:var(--ink-0);font-weight:600}
.prose tr:last-child td{border-bottom:0}
.prose hr{height:1px;border:0;background:var(--line);margin:28px 0}
/* ---------- Post actions ---------- */
.post-actions{
    max-width:760px;
    margin:0 auto;
    padding-top:26px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:16px;
}
/* ---------- Empty state ---------- */
.empty-state{
    max-width:760px;
    margin:0 auto;
    padding:52px 28px;
    text-align:center;
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    backdrop-filter:blur(14px) saturate(120%);
    -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin-bottom:24px}
/* ---------- Sections ---------- */
.section{padding:64px 0}
.section-tight{padding:44px 0}
.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:28px;
}
.section-title{
    font-size:clamp(22px,2.4vw,30px);
    font-weight:700;
    letter-spacing:-.01em;
}
.section-sub{margin-top:8px;font-size:14px;color:var(--ink-2)}
/* ---------- Cards ---------- */
.card-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.card{
    display:flex;
    flex-direction:column;
    gap:12px;
    padding:20px;
    border-radius:var(--r-md);
    background:var(--glass);
    border:1px solid var(--line);
    box-shadow:var(--shadow);
    backdrop-filter:blur(14px) saturate(120%);
    -webkit-backdrop-filter:blur(14px) saturate(120%);
    transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.card:hover{
    border-color:var(--brand);
    transform:translateY(-2px);
    box-shadow:var(--shadow),var(--glow);
}
.card-media{
    position:relative;
    aspect-ratio:16/9;
    border-radius:var(--r-sm);
    overflow:hidden;
    background:var(--bg-2);
}
.card-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .4s ease;
}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,transparent 45%,rgba(7,11,12,.55));
}
.card-title{
    font-size:17px;
    font-weight:600;
    line-height:1.5;
    color:var(--ink-0);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.card-text{
    font-size:13.5px;
    line-height:1.75;
    color:var(--ink-2);
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.card-foot{
    margin-top:auto;
    padding-top:12px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:12.5px;
    color:var(--ink-2);
}
.card-foot .arrow{color:var(--brand);display:inline-flex;transition:transform .18s ease}
.card:hover .card-foot .arrow{transform:translateX(4px)}
/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
    position:relative;
    overflow:hidden;
    border-radius:14px;
    background:var(--glass);
    border:1px solid var(--line);
    backdrop-filter:blur(14px) saturate(120%);
    -webkit-backdrop-filter:blur(14px) saturate(120%);
    transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item::before{
    content:"";
    position:absolute;
    left:0;
    top:0;
    bottom:0;
    width:3px;
    background:var(--brand);
    opacity:0;
    transition:opacity .22s ease;
}
.faq-item[open]{border-color:rgba(22,224,160,.42);box-shadow:var(--glow)}
.faq-item[open]::before{opacity:1}
.faq-q{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:18px 20px;
    font-size:15.5px;
    font-weight:600;
    color:var(--ink-0);
    transition:color .18s ease;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--brand)}
.faq-plus{
    position:relative;
    flex:0 0 18px;
    height:18px;
    transition:transform .24s ease;
}
.faq-plus::before,.faq-plus::after{
    content:"";
    position:absolute;
    background:var(--brand);
    border-radius:2px;
}
.faq-plus::before{left:0;top:8px;width:18px;height:2px}
.faq-plus::after{left:8px;top:0;width:2px;height:18px;transition:opacity .22s ease}
.faq-item[open] .faq-plus{transform:rotate(180deg)}
.faq-item[open] .faq-plus::after{opacity:0}
.faq-a{
    padding:0 20px 20px;
    font-size:14.5px;
    line-height:1.85;
    color:var(--ink-1);
}
/* ---------- CTA ---------- */
.cta-band{
    position:relative;
    overflow:hidden;
    display:grid;
    grid-template-columns:1.15fr 1fr;
    gap:32px;
    align-items:center;
    padding:38px;
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    background-image:linear-gradient(120deg,rgba(7,11,12,.94),rgba(7,11,12,.76)),url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(21px,2.2vw,28px);line-height:1.35}
.cta-band p{margin-top:10px;font-size:14px;color:var(--ink-1);max-width:440px}
.subscribe-form{display:flex;gap:10px}
.input{
    flex:1;
    height:48px;
    padding:0 16px;
    border-radius:var(--r-xs);
    border:1px solid var(--line);
    background:rgba(255,255,255,.045);
    color:var(--ink-0);
    font-size:14.5px;
    transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.input::placeholder{color:var(--ink-2)}
.input:hover{background:rgba(255,255,255,.06)}
.input:focus{
    outline:none;
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(22,224,160,.12);
}
.form-tip{
    margin-top:10px;
    font-size:12.5px;
    color:var(--brand);
    opacity:0;
    transition:opacity .22s ease;
}
.form-tip.is-on{opacity:1}
/* ---------- Footer ---------- */
.site-footer{
    margin-top:56px;
    padding:56px 0 0;
    border-top:1px solid var(--line);
    background:var(--bg-1);
    position:relative;
    z-index:1;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.7fr 1fr 1fr 1.35fr;
    gap:32px;
}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{
    font-size:13.5px;
    line-height:1.85;
    color:var(--ink-2);
    max-width:290px;
}
.footer-status{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-top:16px;
    font-size:12.5px;
    color:var(--ink-2);
}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%}
.dot--live{
    background:var(--brand);
    box-shadow:0 0 0 4px rgba(22,224,160,.14);
    animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
    0%,100%{box-shadow:0 0 0 3px rgba(22,224,160,.16)}
    50%{box-shadow:0 0 0 7px rgba(22,224,160,.04)}
}
.footer-col h4{
    margin-bottom:16px;
    font-size:13px;
    letter-spacing:.08em;
    color:var(--ink-0);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{
    font-size:13.5px;
    color:var(--ink-2);
    line-height:1.7;
    transition:color .18s ease;
}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    margin-top:44px;
    padding:20px 0 28px;
    border-top:1px solid var(--line);
    font-size:12.5px;
    color:var(--ink-2);
}
.mono{font-family:var(--mono);letter-spacing:.02em}
/* ---------- Mobile tabbar ---------- */
.tabbar{display:none}
@media (max-width:1024px){
    .card-grid{grid-template-columns:repeat(2,1fr)}
    .cta-band{grid-template-columns:1fr;padding:30px}
    .footer-grid{grid-template-columns:1fr 1fr}
    .header-inner{gap:18px}
}
@media (max-width:768px){
    .container{padding:0 20px}
    .nav-links{display:none}
    .header-actions{display:none}
    .header-inner{height:60px}
    .article-head{padding-top:20px}
    .article-title{letter-spacing:0}
    .breadcrumb{padding-top:20px}
    .breadcrumb .current{max-width:100%;white-space:normal;overflow:visible;text-overflow:clip}
    .section{padding:52px 0}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:22px}
    .card-grid{grid-template-columns:1fr}
    .post-actions{flex-direction:column;align-items:flex-start}
    .cta-band{padding:26px 22px;gap:22px}
    .subscribe-form{flex-direction:column}
    .subscribe-form .btn{width:100%}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
    body{padding-bottom:84px}
    .tabbar{
        display:grid;
        grid-template-columns:repeat(3,1fr);
        position:fixed;
        left:0;
        right:0;
        bottom:0;
        z-index:70;
        height:60px;
        padding-bottom:env(safe-area-inset-bottom);
        background:rgba(9,14,16,.95);
        backdrop-filter:blur(14px) saturate(120%);
        -webkit-backdrop-filter:blur(14px) saturate(120%);
        border-top:1px solid var(--line);
    }
}
.tab{
    position:relative;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    font-size:10px;
    color:var(--ink-2);
    transition:color .18s ease;
}
.tab svg{width:22px;height:22px;margin-top:4px}
.tab.active{color:var(--brand)}
.tab.active svg{filter:drop-shadow(0 0 6px rgba(22,224,160,.75))}
.tab.active::before{
    content:"";
    position:absolute;
    top:3px;
    width:12px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 8px rgba(22,224,160,.9);
}
@media (max-width:520px){
    .article-title{font-size:26px}
    .prose{font-size:15.5px}
    .card{padding:16px}
    .faq-q{padding:16px;font-size:15px}
    .faq-a{padding:0 16px 18px}
    .cta-band{padding:22px 18px}
}

/* roulang page: category1 */
:root{
  --bg-0:#070B0C;
  --bg-1:#0C1315;
  --bg-2:#111B1E;
  --ink-0:#EAF4F2;
  --ink-1:#9FB3AF;
  --ink-2:#6B807C;
  --brand:#16E0A0;
  --brand-deep:#0BA97A;
  --accent:#FFB020;
  --line:rgba(22,224,160,.16);
  --line-soft:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.055);
  --glow:0 8px 28px rgba(22,224,160,.22);
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-xs:10px;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg-0);
  color:var(--ink-0);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(620px 420px at 10% -6%,rgba(22,224,160,.10),transparent 70%),
    radial-gradient(720px 440px at 94% 6%,rgba(255,176,32,.06),transparent 72%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0}
[hidden]{display:none !important}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.dot{width:7px;height:7px;border-radius:999px;display:inline-block;flex:none}
.dot--soon{background:var(--accent);box-shadow:0 0 0 4px rgba(255,176,32,.14)}
.dot--live{background:var(--brand);box-shadow:0 0 0 4px rgba(22,224,160,.16);animation:pulse 1.9s ease-in-out infinite}
.dot--off{background:var(--ink-2);box-shadow:0 0 0 4px rgba(107,128,124,.14)}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(22,224,160,.16)}
  50%{box-shadow:0 0 0 7px rgba(22,224,160,.05)}
}

/* ===== header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,12,.74);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.is-scrolled{background:rgba(7,11,12,.94)}
.header-inner{height:68px;display:flex;align-items:center;gap:24px}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16.5px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--ink-0);
  white-space:nowrap;
}
.logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px}
.logo-mark i{display:block;width:4px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-deep));box-shadow:0 0 10px rgba(22,224,160,.55)}
.logo-mark .b1{height:11px}
.logo-mark .b2{height:20px}
.logo-mark .b3{height:15px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;
  padding:8px 14px;
  border-radius:var(--r-xs);
  font-size:14.5px;
  color:var(--ink-1);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--ink-0);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  transform:translateX(-50%);
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{
  width:40px;height:40px;
  display:none;
  align-items:center;justify-content:center;
  border-radius:var(--r-xs);
  border:1px solid var(--line);
  color:var(--brand);
  background:rgba(22,224,160,.06);
  transition:background .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:rgba(22,224,160,.12);border-color:var(--brand)}
.icon-btn svg{width:20px;height:20px}

/* ===== buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  font-weight:600;
  letter-spacing:.02em;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{background:var(--brand);color:#04160F;box-shadow:var(--glow)}
.btn--primary:hover{background:#2BF0B0;transform:translateY(-2px)}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(22,224,160,.2)}
.btn--ghost{color:var(--brand);border:1px solid var(--line);background:transparent}
.btn--ghost:hover{border-color:var(--brand);background:rgba(22,224,160,.07);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--quiet{color:var(--ink-1);border:1px solid var(--line-soft)}
.btn--quiet:hover{color:var(--ink-0);border-color:var(--brand);background:rgba(22,224,160,.05)}
.btn--sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:var(--r-xs)}
.btn--block{width:100%}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow svg{width:16px;height:16px;transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ===== page hero ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(7,11,12,.70),rgba(7,11,12,.96)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:radial-gradient(520px 320px at 84% 18%,rgba(22,224,160,.16),transparent 72%);
}
.hero-inner{position:relative;z-index:2;padding:44px 0 56px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);letter-spacing:.02em;flex-wrap:wrap}
.crumbs a{color:var(--ink-2);transition:color .18s ease}
.crumbs a:hover{color:var(--brand)}
.crumbs span[aria-current]{color:var(--ink-1)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:24px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,176,32,.13);
  border:1px solid rgba(255,176,32,.24);
  color:var(--accent);
  font-size:12.5px;
  letter-spacing:.04em;
}
.page-hero h1{
  margin:18px 0 16px;
  font-size:clamp(28px,4vw,50px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:16em;
}
.hero-sub{max-width:660px;color:var(--ink-1);font-size:16.5px;line-height:1.78}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:32px}
.hero-stat{min-width:96px}
.hero-stat strong{
  display:block;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--brand);
  line-height:1.2;
}
.hero-stat span{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-2);letter-spacing:.02em}

/* ===== filter bar ===== */
.filter-bar{
  position:relative;
  z-index:3;
  border-bottom:1px solid var(--line);
  background:rgba(12,19,21,.72);
  backdrop-filter:blur(10px);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding:16px 0;
}
.filter-label{font-size:12.5px;color:var(--ink-2);letter-spacing:.04em;margin-right:4px}
.chip{
  padding:7px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--ink-1);
  font-size:13.5px;
  font-weight:600;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{color:var(--ink-0);border-color:var(--brand);transform:translateY(-1px)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#04160F;box-shadow:var(--glow)}

/* ===== section head ===== */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.005em;
}
.section-head p{margin-top:10px;max-width:580px;color:var(--ink-1);font-size:14.5px;line-height:1.75}
.section-head .head-note{
  font-size:12.5px;
  color:var(--ink-2);
  letter-spacing:.04em;
  white-space:nowrap;
  padding-bottom:6px;
}

/* ===== timeline ===== */
.timeline{display:flex;flex-direction:column;gap:26px}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:118px 1fr;
  gap:26px;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:5px;
  top:20px;
  bottom:-26px;
  width:1px;
  background:linear-gradient(180deg,var(--line),rgba(22,224,160,.04));
}
.tl-item:last-child::before{display:none}
.tl-slot{position:relative;padding-left:24px;padding-top:2px}
.tl-node{
  position:absolute;
  left:0;
  top:8px;
  width:11px;
  height:11px;
  border-radius:999px;
}
.tl-node--soon{background:var(--accent);box-shadow:0 0 0 4px rgba(255,176,32,.14)}
.tl-node--live{background:var(--brand);box-shadow:0 0 0 4px rgba(22,224,160,.18);animation:pulse 1.9s ease-in-out infinite}
.tl-node--off{background:var(--ink-2);box-shadow:0 0 0 4px rgba(107,128,124,.14)}
.tl-time{
  display:block;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:20px;
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.2;
  color:var(--ink-0);
}
.tl-day{display:block;margin-top:4px;font-size:12.5px;color:var(--ink-2);letter-spacing:.03em}

.tl-card{
  display:grid;
  grid-template-columns:300px 1fr;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.tl-card:hover{
  border-color:var(--brand);
  transform:translateY(-2px);
  box-shadow:var(--shadow),var(--glow);
}
.tl-cover{position:relative;background:#04090A;min-height:100%}
.tl-cover img{width:100%;height:100%;object-fit:cover;display:block;opacity:.92}
.tl-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(4,9,10,.06),rgba(4,9,10,.55));
}
.status{
  position:absolute;
  top:12px;
  left:12px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-xs);
  font-size:12px;
  letter-spacing:.03em;
  font-weight:600;
}
.status--soon{background:rgba(255,176,32,.16);color:var(--accent);border:1px solid rgba(255,176,32,.26)}
.status--live{background:rgba(22,224,160,.14);color:var(--brand);border:1px solid rgba(22,224,160,.26)}
.status--off{background:rgba(159,179,175,.12);color:var(--ink-1);border:1px solid rgba(159,179,175,.18)}
.tl-body{padding:22px 24px 22px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  padding:4px 10px;
  border-radius:var(--r-xs);
  background:rgba(22,224,160,.12);
  color:var(--brand);
  font-size:12px;
  letter-spacing:.02em;
}
.tag--muted{background:rgba(255,255,255,.05);color:var(--ink-1)}
.tl-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink-0);
}
.tl-desc{margin-top:10px;font-size:14.5px;line-height:1.78;color:var(--ink-1);max-width:56em}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
  font-size:12.5px;
  color:var(--ink-2);
  letter-spacing:.02em;
}
.tl-meta strong{color:var(--ink-1);font-weight:600;font-family:var(--mono);font-variant-numeric:tabular-nums}
.tl-actions{display:flex;align-items:center;gap:16px;margin-top:18px;flex-wrap:wrap}

/* ===== pager ===== */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:46px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 12px;
  border-radius:var(--r-xs);
  border:1px solid var(--line-soft);
  font-size:13.5px;
  color:var(--ink-1);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:rgba(22,224,160,.06)}
.pager .is-current{background:rgba(22,224,160,.14);border-color:rgba(22,224,160,.4);color:var(--brand);font-weight:700}
.pager .is-disabled{color:var(--ink-2);opacity:.55;cursor:not-allowed}

/* ===== rules panel ===== */
.rules{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:40px;
  align-items:start;
  padding:38px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(22,224,160,.07),rgba(255,255,255,.035));
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
}
.rules h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.32}
.rules .lead{margin-top:14px;font-size:14.8px;line-height:1.8;color:var(--ink-1)}
.rules .lead + .lead{margin-top:12px}
.rules .actions{margin-top:24px;display:flex;gap:14px;flex-wrap:wrap}
.rule-list{display:flex;flex-direction:column;gap:2px}
.rule-row{
  display:grid;
  grid-template-columns:104px 1fr;
  gap:18px;
  padding:16px 0;
  border-bottom:1px solid var(--line-soft);
}
.rule-row:last-child{border-bottom:0}
.rule-row dt{font-size:12.5px;color:var(--ink-2);letter-spacing:.04em;padding-top:2px}
.rule-row dd{font-size:14.5px;line-height:1.7;color:var(--ink-0)}
.rule-row dd span{display:block;margin-top:4px;font-size:13.5px;color:var(--ink-1)}

/* ===== voices ===== */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice{
  padding:24px;
  border-radius:var(--r-md);
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.035);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.voice:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--glow)}
.voice .quote-mark{
  font-family:var(--mono);
  font-size:22px;
  line-height:1;
  color:var(--brand);
  opacity:.7;
}
.voice p{margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--ink-1)}
.voice .from{margin-top:16px;font-size:12.5px;color:var(--ink-2);letter-spacing:.03em}

/* ===== faq ===== */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .2s ease,box-shadow .2s ease;
  overflow:hidden;
}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:18px 58px 18px 22px;
  font-size:15.8px;
  font-weight:600;
  color:var(--ink-0);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  line-height:1;
  color:var(--brand);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open]{
  border-color:rgba(22,224,160,.42);
  border-left:3px solid var(--brand);
  box-shadow:0 0 26px rgba(22,224,160,.12);
}
.faq-body{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-1)}

/* ===== cta ===== */
.cta-card{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:36px;
  align-items:center;
  padding:38px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(22,224,160,.11),rgba(255,255,255,.04));
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.32}
.cta-card p{margin-top:12px;font-size:14.8px;line-height:1.8;color:var(--ink-1)}
.form-row{display:flex;gap:12px}
.field{
  flex:1;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-xs);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--ink-0);
  font-size:14.5px;
  font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field::placeholder{color:var(--ink-2)}
.field:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.07);box-shadow:0 0 0 3px rgba(22,224,160,.12)}
.form-hint{margin-top:12px;font-size:12.5px;color:var(--ink-2);letter-spacing:.02em}
.form-msg{margin-top:10px;font-size:13px;color:var(--brand);min-height:20px}

/* ===== footer ===== */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:8px;
  border-top:1px solid var(--line);
  background:rgba(12,19,21,.65);
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr 1fr 1.25fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand .logo{font-size:16px}
.footer-brand p{margin-top:14px;max-width:24em;font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.footer-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  font-size:12.5px;
  color:var(--ink-1);
  letter-spacing:.02em;
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ink-2);
  margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a,.footer-col li span{
  font-size:13.8px;
  color:var(--ink-1);
  transition:color .18s ease;
  line-height:1.7;
}
.footer-col li a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:18px 0 22px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--ink-2);
  letter-spacing:.02em;
}

/* ===== mobile tab ===== */
.mobile-tab{display:none}

/* ===== responsive ===== */
@media (max-width:1024px){
  .container{padding:0 24px}
  :root{--sp-section:64px}
  .tl-card{grid-template-columns:250px 1fr}
  .rules{grid-template-columns:1fr;gap:28px;padding:30px}
  .voices{grid-template-columns:1fr 1fr}
  .cta-card{grid-template-columns:1fr;gap:24px;padding:30px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  :root{--sp-section:52px}
  .nav-links{display:none}
  .header-cta{display:none}
  .icon-btn{display:inline-flex;margin-left:auto}
  .hero-inner{padding:34px 0 42px}
  .hero-stats{gap:24px;margin-top:26px}
  .hero-stat strong{font-size:22px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:26px}
  .section-head .head-note{padding-bottom:0}
  .tl-item{grid-template-columns:1fr;gap:12px}
  .tl-item::before{display:none}
  .tl-slot{display:flex;align-items:center;gap:10px;padding-left:0;padding-top:0}
  .tl-node{position:static;flex:none}
  .tl-time{font-size:17px}
  .tl-day{margin-top:0}
  .tl-card{grid-template-columns:1fr}
  .tl-cover{aspect-ratio:16/9;min-height:0}
  .tl-body{padding:18px 18px 20px}
  .tl-body h3{font-size:17.5px}
  .voices{grid-template-columns:1fr}
  .form-row{flex-direction:column}
  .field{height:48px}
  .form-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .mobile-tab{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    height:60px;
    padding:0 6px;
    background:rgba(9,15,17,.95);
    backdrop-filter:blur(16px) saturate(120%);
    -webkit-backdrop-filter:blur(16px) saturate(120%);
    border-top:1px solid var(--line);
  }
  .tab-item{
    position:relative;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    font-size:10px;
    letter-spacing:.04em;
    color:var(--ink-2);
    transition:color .18s ease;
  }
  .tab-item svg{width:22px;height:22px}
  .tab-item.active{color:var(--brand)}
  .tab-item.active::before{
    content:"";
    position:absolute;
    top:4px;
    width:12px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 10px var(--brand);
  }
}
@media (max-width:520px){
  .container{padding:0 16px}
  .page-hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .hero-stats{gap:18px}
  .hero-stat{min-width:76px}
  .eyebrow{margin-top:18px;font-size:12px}
  .rules,.cta-card{padding:22px}
  .rule-row{grid-template-columns:1fr;gap:6px}
  .tl-actions{gap:12px}
  .tl-actions .btn{width:100%}
  .pager a,.pager span{min-width:34px;height:34px;font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .section-head h2{font-size:21px}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B0C;
  --bg-1:#0C1315;
  --bg-2:#111B1E;
  --ink-0:#EAF4F2;
  --ink-1:#9FB3AF;
  --ink-2:#6B807C;
  --brand:#16E0A0;
  --brand-deep:#0BA97A;
  --accent:#FFB020;
  --line:rgba(22,224,160,.16);
  --line-strong:rgba(22,224,160,.34);
  --glass:rgba(255,255,255,.055);
  --glow:0 8px 28px rgba(22,224,160,.22);
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-xs:10px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-0);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 420px at 88% -6%, rgba(22,224,160,.10), transparent 70%),
    radial-gradient(520px 380px at 4% 32%, rgba(255,176,32,.055), transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,12,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.site-header.is-scrolled{background:rgba(7,11,12,.92)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--ink-0);
  white-space:nowrap;
}
.logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px}
.logo-mark i{display:block;width:3px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(22,224,160,.7)}
.logo-mark .b1{height:8px;opacity:.65}
.logo-mark .b2{height:14px;opacity:.85}
.logo-mark .b3{height:20px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:8px 14px;
  border-radius:var(--r-xs);
  font-size:14.5px;
  color:var(--ink-1);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--ink-0);background:var(--glass)}
.nav-link.active{color:var(--brand);background:rgba(22,224,160,.10)}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-sm);
  background:var(--brand);
  color:#04120D;
  font-size:14px;
  font-weight:700;
  box-shadow:var(--glow);
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-2px)}
.nav-cta:active{transform:translateY(0);box-shadow:0 4px 16px rgba(22,224,160,.2)}
.nav-icon-btn{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  margin-left:auto;
  border-radius:var(--r-xs);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--brand);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--brand);color:#04120D;box-shadow:var(--glow)}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 16px rgba(22,224,160,.2)}
.btn--secondary{
  background:transparent;
  border-color:var(--line);
  color:var(--brand);
}
.btn--secondary:hover{border-color:var(--brand);background:rgba(22,224,160,.06);transform:translateY(-2px)}
.btn--ghost{
  height:auto;
  padding:0;
  background:none;
  border:none;
  color:var(--brand);
  font-size:15px;
  font-weight:600;
}
.btn--ghost .arrow{display:inline-block;transition:transform .18s ease}
.btn--ghost:hover .arrow{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 10px;
  border-radius:var(--r-xs);
  font-size:12px;
  letter-spacing:.02em;
}
.badge--brand{background:rgba(22,224,160,.12);color:var(--brand)}
.badge--accent{background:rgba(255,176,32,.14);color:var(--accent)}
.dot{width:7px;height:7px;border-radius:999px;display:inline-block}
.dot--live{background:var(--brand);box-shadow:0 0 0 4px rgba(22,224,160,.14)}
.dot--accent{background:var(--accent);box-shadow:0 0 0 4px rgba(255,176,32,.14)}

/* ---------- 页面头部条 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.42;
  filter:saturate(.7);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,12,.82) 0%,rgba(7,11,12,.9) 55%,var(--bg-0) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  align-items:center;
  gap:40px;
  padding-top:72px;
  padding-bottom:72px;
}
.hero-copy{max-width:720px}
.hero-title{
  margin:18px 0 16px;
  font-size:clamp(28px,4vw,50px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-1);
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}
.hero-deco{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:72px;
  min-height:220px;
}
.br{
  width:34px;
  height:124px;
  border:2px solid var(--brand);
  box-shadow:var(--glow);
  opacity:.85;
}
.br--l{border-right:none;border-radius:8px 0 0 8px}
.br--r{border-left:none;border-radius:0 8px 8px 0}
.br-dot{
  position:absolute;
  width:14px;
  height:14px;
  border-radius:999px;
  background:var(--accent);
  box-shadow:0 0 26px rgba(255,176,32,.8);
}

/* ---------- 信息条 ---------- */
.info-strip{border-bottom:1px solid var(--line);background:var(--bg-1)}
.info-strip-inner{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
}
.info-cell{
  background:var(--bg-1);
  padding:22px 24px;
}
.info-cell strong{display:block;font-size:14.5px;color:var(--ink-0);margin-bottom:4px}
.info-cell span{font-size:13px;color:var(--ink-2);line-height:1.7}

/* ---------- 板块 ---------- */
.section{padding:88px 0;position:relative;z-index:1}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-title{
  font-size:clamp(22px,2.4vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
.section-desc{margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink-1)}

/* ---------- 三步 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  position:relative;
  padding:28px 24px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.step-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow),var(--glow)}
.step-card:not(:last-child)::after{
  content:"";
  position:absolute;
  top:72px;
  right:-24px;
  width:24px;
  border-top:1px dashed var(--line-strong);
}
.step-num{
  display:block;
  font-family:var(--mono);
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:var(--brand);
  opacity:.5;
  margin-bottom:16px;
  letter-spacing:-.02em;
}
.step-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.step-card p{font-size:14.5px;line-height:1.8;color:var(--ink-1)}
.step-tag{
  display:inline-block;
  margin-top:16px;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--ink-2);
  border:1px solid var(--line);
}

/* ---------- 环境检查 ---------- */
.check-grid{
  display:grid;
  grid-template-columns:minmax(0,460px) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.check-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.check-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.check-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,12,0) 40%,rgba(7,11,12,.82) 100%);
}
.media-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:var(--r-xs);
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  font-size:12.5px;
  color:var(--ink-0);
}
.check-body h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;margin-bottom:22px}
.check-list{display:grid;gap:14px;margin-bottom:28px}
.check-list li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-1);
}
.check-list li::before{
  content:"";
  flex:0 0 18px;
  height:18px;
  margin-top:4px;
  border-radius:6px;
  border:1px solid var(--line-strong);
  background:
    linear-gradient(135deg,transparent 42%,var(--brand) 42%,var(--brand) 54%,transparent 54%) no-repeat 2px 8px/10px 8px;
}

/* ---------- 注意事项 ---------- */
.notes-wrap{
  padding:36px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-2),var(--bg-1));
}
.note-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 32px}
.note-item{display:flex;gap:14px}
.dot-amber{
  flex:0 0 10px;
  width:10px;
  height:10px;
  margin-top:9px;
  border-radius:999px;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,176,32,.12);
}
.note-item strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:6px;color:var(--ink-0)}
.note-item p{font-size:14px;line-height:1.8;color:var(--ink-1)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq{display:grid;gap:14px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{
  border-color:var(--line-strong);
  box-shadow:inset 3px 0 0 var(--brand),0 8px 24px rgba(22,224,160,.12);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  cursor:pointer;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink-0);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  width:16px;
  height:16px;
  transition:transform .2s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:opacity .2s ease}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-body{padding:0 20px 20px;border-top:1px solid var(--line)}
.faq-body p{padding-top:16px;font-size:14.5px;line-height:1.85;color:var(--ink-1)}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:40px;
  border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(420px 240px at 92% 0%, rgba(22,224,160,.14), transparent 70%),
    linear-gradient(180deg,var(--bg-2),var(--bg-1));
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);line-height:1.32;font-weight:700}
.cta-band p{margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--ink-1);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:24px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-1);max-width:300px}
.footer-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  font-size:12.5px;
  color:var(--ink-2);
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ink-0);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a,
.footer-col span{
  font-size:13.5px;
  color:var(--ink-1);
  line-height:1.7;
}
.footer-col a{transition:color .18s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--ink-2);
  letter-spacing:.02em;
}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 260px;gap:32px}
}
@media (max-width:1024px){
  .container{padding:0 22px}
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;padding-top:56px;padding-bottom:56px}
  .hero-deco{display:none}
  .info-strip-inner{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step-card:nth-child(2)::after{display:none}
  .check-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .header-inner{height:60px}
  .nav-links,.nav-cta{display:none}
  .nav-icon-btn{display:inline-flex}
  .tabbar{
    display:flex;
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:70;
    height:60px;
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(9,14,15,.94);
    backdrop-filter:blur(14px) saturate(120%);
    -webkit-backdrop-filter:blur(14px) saturate(120%);
    border-top:1px solid var(--line);
  }
  .tab{
    position:relative;
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    font-size:10px;
    letter-spacing:.02em;
    color:var(--ink-2);
    transition:color .18s ease;
  }
  .tab svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6}
  .tab.active{color:var(--brand)}
  .tab.active::before{
    content:"";
    position:absolute;
    top:4px;
    width:16px;
    height:3px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 10px rgba(22,224,160,.8);
  }
  .section{padding:52px 0}
  .section-head{margin-bottom:28px}
  .steps{grid-template-columns:1fr}
  .step-card::after{display:none}
  .notes-wrap{padding:26px 20px}
  .note-list{grid-template-columns:1fr}
  .cta-band{padding:28px 22px;gap:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .hero-title{font-size:26px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .btn{height:46px;padding:0 18px;font-size:14.5px}
  .step-card{padding:22px 18px}
  .faq-item summary{padding:16px;font-size:14.5px}
  .faq-body{padding:0 16px 16px}
  .section-title{font-size:21px}
}