/* roulang page: index */
:root{
  --bg:#070B12;
  --bg-deep:#05080E;
  --surface:#0F1624;
  --surface-2:#121826;
  --border:#1E2A3A;
  --border-soft:rgba(30,42,58,.7);
  --text:#EAF0F7;
  --muted:#9AA7B8;
  --dim:#6F7C8F;
  --primary:#2DE1C2;
  --primary-dim:rgba(45,225,194,.12);
  --primary-line:rgba(45,225,194,.35);
  --secondary:#6D5DF6;
  --accent:#FF8A3D;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --mono:"DIN Alternate","Roboto Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time{font-variant-numeric:tabular-nums;}
::selection{background:rgba(45,225,194,.28);color:#fff;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  text-transform:uppercase;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 4px rgba(45,225,194,.14);
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:32px;margin-bottom:44px;
}
.section-head .lead{max-width:620px;}
.section-title{font-size:clamp(24px,3vw,34px);letter-spacing:.01em;}
.section-title span{color:var(--primary);}
.section-desc{color:var(--muted);font-size:15px;margin-top:12px;line-height:1.85;}
.text-link{
  color:var(--muted);font-size:14px;border-bottom:1px solid var(--border);
  padding-bottom:2px;transition:color .2s,border-color .2s;white-space:nowrap;
}
.text-link:hover{color:var(--primary);border-color:var(--primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#04211C;box-shadow:0 8px 24px rgba(45,225,194,.22);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 28px rgba(45,225,194,.3);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-outline{border-color:var(--border);color:var(--text);background:transparent;}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{border-color:var(--primary-line);color:var(--primary);background:rgba(45,225,194,.06);}
.btn-ghost:hover{background:rgba(45,225,194,.14);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn[disabled]{opacity:.45;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge-live{background:rgba(45,225,194,.14);color:var(--primary);border:1px solid var(--primary-line);}
.badge-soon{background:rgba(109,93,246,.16);color:#A79BFF;border:1px solid rgba(109,93,246,.4);}
.badge-replay{background:rgba(255,138,61,.14);color:var(--accent);border:1px solid rgba(255,138,61,.36);}
.badge-cat{background:rgba(109,93,246,.14);color:#A79BFF;}
.tag{
  display:inline-block;padding:2px 8px;border-radius:4px;
  font-size:12px;color:var(--muted);background:rgba(154,167,184,.1);
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,18,.96);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(0,0,0,.4);background:#070B12;}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;height:74px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand-mark{
  width:14px;height:14px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,var(--primary),var(--secondary));
  box-shadow:0 0 0 4px rgba(45,225,194,.1);
  flex:none;
}
.brand b{font-weight:700;}
.brand em{font-style:normal;color:var(--primary);}
.nav{display:flex;align-items:center;gap:34px;}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;color:var(--muted);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);}
.header-actions{display:flex;align-items:center;gap:14px;}
.menu-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:10px;
  align-items:center;justify-content:center;color:var(--text);
}
.menu-toggle span{display:block;width:16px;height:1.5px;background:currentColor;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor;
}
.menu-toggle span::before{top:-5px;}
.menu-toggle span::after{top:5px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:84px 0 92px;border-bottom:1px solid var(--border);}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.16;filter:saturate(.9);
}
.hero-veil{
  position:absolute;inset:0;
  background:radial-gradient(900px 520px at 82% 18%,rgba(45,225,194,.1),transparent 62%),
             linear-gradient(180deg,rgba(7,11,18,.55),rgba(7,11,18,.95));
}
.starfield{
  position:absolute;inset:0;pointer-events:none;opacity:.14;
  background-image:radial-gradient(rgba(255,255,255,.85) 1px,transparent 1px),
                   radial-gradient(rgba(45,225,194,.8) 1px,transparent 1px);
  background-size:120px 120px,190px 190px;
  background-position:0 0,60px 80px;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.26;letter-spacing:.01em;margin:20px 0 0;
}
.hero-sub{
  color:var(--muted);font-size:17px;line-height:1.9;margin-top:22px;max-width:640px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero-tags span{
  font-size:13px;color:var(--muted);
  border:1px solid var(--border);border-radius:999px;padding:6px 14px;
  transition:border-color .2s,color .2s;
}
.hero-tags span:hover{border-color:var(--primary-line);color:var(--primary);}
.hero-media{position:relative;}
.media-frame{
  position:relative;border:1px solid var(--border);border-radius:16px;overflow:hidden;
  background:var(--surface);
}
.media-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.media-frame .badge{position:absolute;top:14px;left:14px;z-index:2;}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,18,0),rgba(7,11,18,.45));
}
.hero-mini{
  margin-top:16px;display:flex;align-items:center;gap:12px;
  color:var(--dim);font-size:13.5px;
}
.hero-mini .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;
  box-shadow:0 0 0 4px rgba(255,138,61,.16);
}

/* ---------- 直播预告流 ---------- */
.stream{position:relative;display:grid;gap:26px;}
.stream::before{
  content:"";position:absolute;left:22px;top:20px;bottom:20px;width:1px;
  background:linear-gradient(180deg,rgba(45,225,194,.5),rgba(30,42,58,.1));
  display:none;
}
.live-card{
  position:relative;
  display:grid;grid-template-columns:320px 1fr;gap:30px;
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:24px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.live-card:hover{border-color:var(--primary-line);transform:translateY(-1px);box-shadow:var(--shadow);}
.live-card.is-featured{border-color:rgba(45,225,194,.28);background:linear-gradient(180deg,rgba(45,225,194,.05),rgba(15,22,36,1) 45%);}
.live-cover{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);align-self:start;}
.live-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.live-cover .badge{position:absolute;top:12px;left:12px;}
.live-body{display:flex;flex-direction:column;gap:18px;min-width:0;}
.live-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;}
.live-head h3{font-size:20px;}
.live-time{color:var(--dim);font-size:13.5px;}
.countdown{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap;}
.cd-unit{
  min-width:62px;padding:8px 10px;border-radius:10px;
  border:1px solid var(--border);background:rgba(45,225,194,.04);
  display:flex;flex-direction:column;align-items:center;gap:2px;
}
.cd-unit b{
  font-family:var(--mono);font-size:22px;font-weight:700;color:var(--primary);
  line-height:1.2;letter-spacing:.04em;
}
.cd-unit span{font-size:11px;color:var(--dim);letter-spacing:.12em;}
.cd-unit.is-accent{border-color:rgba(255,138,61,.32);background:rgba(255,138,61,.06);}
.cd-unit.is-accent b{color:var(--accent);}
.cd-note{font-size:13px;color:var(--dim);align-self:center;}
.points{display:grid;gap:8px;}
.points li{position:relative;padding-left:18px;color:var(--muted);font-size:14.5px;line-height:1.75;}
.points li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--primary);opacity:.85;
}
.live-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:2px;}
.sub-form{display:flex;gap:10px;flex:1;min-width:260px;}
.sub-form input{
  flex:1;min-width:0;background:#0B111C;border:1px solid var(--border);
  border-radius:10px;padding:11px 14px;font-size:14px;color:var(--text);
  transition:border-color .2s,box-shadow .2s;
}
.sub-form input::placeholder{color:var(--dim);}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(45,225,194,.12);}
.replay-line{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  color:var(--muted);font-size:14px;
}
.replay-line .duration{font-family:var(--mono);color:var(--accent);}

/* ---------- 价值卡 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.value-card{
  border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;
  background:linear-gradient(180deg,rgba(45,225,194,.05),rgba(15,22,36,.6));
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.value-card:hover{border-color:var(--primary-line);transform:translateY(-2px);box-shadow:var(--shadow);}
.value-card .num{
  font-family:var(--mono);font-size:14px;color:var(--primary);letter-spacing:.16em;display:block;
}
.value-card h3{font-size:18px;margin:14px 0 10px;}
.value-card p{color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}
.news-feature{
  border:1px solid var(--border);border-radius:16px;overflow:hidden;background:var(--surface);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.news-feature:hover{border-color:var(--primary-line);transform:translateY(-1px);box-shadow:var(--shadow);}
.news-feature .news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-feature .news-body{padding:24px 26px 26px;display:grid;gap:14px;}
.news-feature h3{font-size:20px;line-height:1.4;}
.news-feature p{color:var(--muted);font-size:14.5px;line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.meta{display:flex;align-items:center;gap:12px;color:var(--dim);font-size:13px;flex-wrap:wrap;}
.meta .arrow{color:var(--primary);transition:transform .2s;}
.news-feature:hover .meta .arrow{transform:translateX(3px);}
.news-timeline{display:grid;gap:0;border-top:1px solid var(--border);}
.news-item{
  display:grid;gap:8px;padding:20px 6px 20px 18px;position:relative;
  border-bottom:1px solid var(--border);transition:background-color .2s,padding-left .2s;
}
.news-item::before{
  content:"";position:absolute;left:0;top:29px;width:7px;height:7px;border-radius:50%;
  background:var(--secondary);box-shadow:0 0 0 4px rgba(109,93,246,.12);
}
.news-item:hover{background:rgba(45,225,194,.04);padding-left:24px;}
.news-item:hover::before{background:var(--primary);box-shadow:0 0 0 4px rgba(45,225,194,.14);}
.news-item h3{font-size:16px;line-height:1.55;}
.news-item .meta{margin-top:2px;}
.empty-state{
  border:1px dashed var(--border);border-radius:16px;padding:56px 24px;text-align:center;
  color:var(--muted);grid-column:1 / -1;
}
.empty-state .orbit{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  border:1px solid var(--border);border-top-color:var(--primary);
  animation:spin 6s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.empty-state p{font-size:15px;}
.empty-state small{display:block;margin-top:8px;color:var(--dim);font-size:13px;}

/* ---------- 入口条带 ---------- */
.entry-list{border-top:1px solid var(--border);}
.entry-item{
  display:grid;grid-template-columns:78px 1fr auto;gap:24px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--border);
  transition:background-color .25s,padding-left .25s,border-color .25s;
}
.entry-item:hover{background:rgba(45,225,194,.04);padding-left:22px;border-color:var(--primary-line);}
.entry-num{
  font-family:var(--mono);font-size:15px;color:var(--primary);letter-spacing:.14em;
}
.entry-item h3{font-size:18px;margin-bottom:6px;}
.entry-item p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.entry-arrow{color:var(--dim);font-size:20px;transition:color .2s,transform .2s;}
.entry-item:hover .entry-arrow{color:var(--primary);transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq{max-width:920px;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:first-child{border-top:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s;
}
.faq-q:hover{color:var(--primary);}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  font-size:15px;line-height:1;transition:border-color .2s,color .2s,background-color .2s;
}
.faq-item.is-open .faq-icon{border-color:var(--primary);color:var(--primary);background:rgba(45,225,194,.08);}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{color:var(--muted);font-size:15px;line-height:1.9;padding:0 46px 24px 4px;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:44px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(109,93,246,.14),rgba(45,225,194,.08) 70%,rgba(15,22,36,.9));
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(45,225,194,.16);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);position:relative;z-index:1;}
.cta-band p{color:var(--muted);font-size:15px;margin-top:14px;line-height:1.85;position:relative;z-index:1;}
.cta-form{display:flex;gap:12px;position:relative;z-index:1;}
.cta-form input{
  flex:1;min-width:0;background:#0B111C;border:1px solid var(--border);border-radius:10px;
  padding:13px 16px;font-size:14.5px;transition:border-color .2s,box-shadow .2s;
}
.cta-form input::placeholder{color:var(--dim);}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(45,225,194,.12);}
.form-hint{color:var(--dim);font-size:12.5px;margin-top:12px;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--border);background:var(--bg-deep);padding:66px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:grid;gap:16px;max-width:340px;}
.footer-brand .brand{font-size:17px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:var(--dim);margin-bottom:18px;font-weight:600;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a,.footer-col span{color:var(--muted);font-size:14.5px;transition:color .2s;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  color:var(--dim);font-size:13px;
}
.to-top{color:var(--muted);font-size:13px;border-bottom:1px solid var(--border);padding-bottom:2px;transition:color .2s,border-color .2s;}
.to-top:hover{color:var(--primary);border-color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-grid{gap:44px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .value-grid{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .live-card{grid-template-columns:260px 1fr;gap:24px;}
}
@media (max-width:900px){
  .nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:4px;
    background:#0B111C;border-bottom:1px solid var(--border);
    padding:14px 24px 22px;display:none;
  }
  .nav.is-open{display:flex;}
  .nav-link{width:100%;padding:12px 0 12px 16px;border-bottom:1px solid var(--border-soft);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--primary);}
  .nav-link.is-active::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:6px;height:6px;border-radius:50%;background:var(--primary);
  }
  .menu-toggle{display:inline-flex;}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .header-inner{height:66px;gap:16px;}
  .brand{font-size:15.5px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .live-card{grid-template-columns:1fr;padding:18px;}
  .live-cover{order:-1;}
  .value-grid{grid-template-columns:1fr;}
  .entry-item{grid-template-columns:44px 1fr auto;gap:14px;padding:22px 4px;}
  .entry-item:hover{padding-left:10px;}
  .faq-q{font-size:15.5px;padding:20px 0;}
  .faq-a p{padding:0 32px 20px 0;font-size:14.5px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .sub-form{flex-direction:column;min-width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .hero h1{font-size:28px;}
  .section-title{font-size:22px;}
  .cd-unit{min-width:52px;padding:6px 8px;}
  .cd-unit b{font-size:18px;}
  .starfield{opacity:.08;}
  .value-card,.cta-band{border-radius:14px;}
  .news-feature .news-body{padding:18px;}
}

/* roulang page: article */
:root{
  --bg:#070B12;
  --surface:#0F1624;
  --surface-2:#121826;
  --border:#1E2A3A;
  --border-soft:rgba(30,42,58,.6);
  --text:#EAF0F7;
  --text-2:#9AA7B8;
  --text-3:#6F7C8F;
  --primary:#2DE1C2;
  --primary-soft:rgba(45,225,194,.12);
  --primary-line:rgba(45,225,194,.32);
  --violet:#8B5CF6;
  --violet-soft:rgba(139,92,246,.14);
  --warn:#FF8A3D;
  --radius-xs:6px;
  --radius-s:10px;
  --radius:14px;
  --radius-l:20px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --container:1240px;
  --gap:24px;
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(circle at 10% -10%,rgba(45,225,194,.10),transparent 44%),
    radial-gradient(circle at 92% 2%,rgba(139,92,246,.10),transparent 46%),
    var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(rgba(234,240,247,.55) .8px,transparent .8px),
    radial-gradient(rgba(234,240,247,.3) .8px,transparent .8px);
  background-size:240px 240px,150px 150px;
  background-position:0 0,74px 96px;
  opacity:.12;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.32;letter-spacing:.02em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.site-header,.site-main,.site-footer{position:relative;z-index:1;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,11,18,.97);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--text);
  font-size:19px;
  font-weight:600;
  letter-spacing:.03em;
  white-space:nowrap;
}
.brand em{font-style:normal;color:var(--primary);}
.brand-mark{
  width:11px;height:11px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(45,225,194,.14);
  flex:none;
}
.nav{display:flex;align-items:center;gap:34px;}
.nav-link{
  position:relative;
  color:var(--text-2);
  text-decoration:none;
  font-size:15px;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;border-radius:2px;
  background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:14px;}
.btn-mini{
  display:inline-flex;align-items:center;
  padding:8px 18px;
  font-size:14px;
  border-radius:999px;
  text-decoration:none;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid var(--primary-line);
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-mini:hover{background:rgba(45,225,194,.2);}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--border);
  border-radius:var(--radius-s);
  background:transparent;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.menu-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-2);transition:transform .2s ease;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  line-height:1.2;
}
.btn-primary{background:var(--primary);color:#04211C;}
.btn-primary:hover{background:#4CE9CE;box-shadow:0 10px 26px rgba(45,225,194,.22);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-2);text-decoration:none;font-size:14px;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.btn-text:hover{color:var(--primary);border-bottom-color:var(--primary);}
.btn:disabled,.btn[disabled]{opacity:.45;pointer-events:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-xs);
  font-size:13px;
  line-height:1.6;
  background:var(--primary-soft);
  color:var(--primary);
  border:1px solid var(--primary-line);
}
.badge-violet{background:var(--violet-soft);color:#B7ACFB;border-color:rgba(139,92,246,.3);}
.badge-muted{background:rgba(154,167,184,.1);color:var(--text-2);border-color:var(--border);}

/* ---------- 文章头部 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--text-2);text-decoration:none;transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-3);}
.article-head{padding:26px 0 40px;border-bottom:1px solid var(--border);}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.article-head h1{
  font-size:38px;
  line-height:1.34;
  letter-spacing:.02em;
  max-width:920px;
  margin-bottom:20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}

/* ---------- 文章主体 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 288px;
  gap:56px;
  justify-content:center;
  padding:48px 0 76px;
}
.article-main{min-width:0;}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:#DCE5F0;
  letter-spacing:.012em;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:27px;
  margin:2em 0 .72em;
  color:var(--text);
  padding-left:14px;
  border-left:3px solid var(--primary);
  line-height:1.4;
}
.article-body h3{font-size:21px;margin:1.7em 0 .6em;color:var(--text);line-height:1.45;}
.article-body h4{font-size:18px;margin:1.4em 0 .5em;color:var(--text);}
.article-body p{margin:0 0 1.2em;}
.article-body ul{list-style:none;margin:0 0 1.2em;padding:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";
  position:absolute;left:2px;top:.72em;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);opacity:.85;
}
.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ol li{margin-bottom:.55em;padding-left:4px;}
.article-body ol li::marker{color:var(--primary);font-family:var(--mono);}
.article-body a{color:var(--text);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border);transition:color .2s ease,text-decoration-color .2s ease;}
.article-body a:hover{color:var(--primary);text-decoration-color:var(--primary);}
.article-body strong{color:#FFFFFF;font-weight:600;}
.article-body blockquote{
  margin:1.6em 0;
  padding:.9em 1.2em;
  border-left:2px solid var(--primary);
  background:rgba(45,225,194,.05);
  border-radius:0 var(--radius) var(--radius) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius);border:1px solid var(--border);margin:1.6em auto;}
.article-body figure{margin:1.7em 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:.7em;padding:0 12px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--surface-2);color:var(--text);font-weight:600;}
.article-body td{color:var(--text-2);}
.article-body code{font-family:var(--mono);font-size:.92em;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-xs);padding:2px 6px;}
.article-body pre{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;overflow-x:auto;margin:1.6em 0;}
.article-body pre code{background:none;border:none;padding:0;}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2.4em 0;}

/* ---------- 侧栏 ---------- */
.article-side{min-width:0;}
.side-sticky{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
}
.side-card h3{
  font-size:15px;
  color:var(--text);
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--border);
  letter-spacing:.04em;
}
.toc{font-size:14px;}
.toc li{margin:0;}
.toc a{
  display:block;
  padding:8px 0 8px 14px;
  border-left:1px solid var(--border);
  color:var(--text-2);
  text-decoration:none;
  line-height:1.55;
  transition:color .2s ease,border-color .2s ease,padding-left .2s ease;
}
.toc a:hover,.toc a.is-current{color:var(--primary);border-left-color:var(--primary);}
.toc .toc-h3 a{padding-left:28px;font-size:13px;color:var(--text-3);}
.toc .toc-h3 a:hover{color:var(--primary);}
.side-links li{margin-bottom:4px;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 0;
  border-bottom:1px solid var(--border-soft);
  color:var(--text-2);
  text-decoration:none;
  font-size:14px;
  transition:color .2s ease;
}
.side-links li:last-child a{border-bottom:none;padding-bottom:0;}
.side-links a span{color:var(--text-3);transition:color .2s ease,transform .2s ease;}
.side-links a:hover{color:var(--primary);}
.side-links a:hover span{color:var(--primary);transform:translateX(3px);}
.side-note{font-size:13px;color:var(--text-3);line-height:1.8;}

/* ---------- 正文底部 ---------- */
.article-foot{
  margin-top:48px;
  padding-top:32px;
  border-top:1px solid var(--border);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.article-foot .spacer{flex:1;}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:64px 32px;
  text-align:center;
}
.empty-orbit{
  width:56px;height:56px;
  margin:0 auto 22px;
  border-radius:50%;
  border:1px solid var(--border);
  position:relative;
}
.empty-orbit::after{
  content:"";
  position:absolute;
  top:-3px;left:50%;
  width:7px;height:7px;
  margin-left:-3px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 12px rgba(45,225,194,.7);
}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--text-2);font-size:15px;max-width:520px;margin:0 auto 24px;}

/* ---------- 提醒条 ---------- */
.cta-section{padding:0 0 88px;}
.cta-band{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:34px 38px;
  border-radius:var(--radius-l);
  border:1px solid var(--border);
  background:
    radial-gradient(circle at 88% 20%,rgba(45,225,194,.12),transparent 52%),
    var(--surface);
}
.cta-text h2{font-size:24px;margin-bottom:10px;}
.cta-text p{color:var(--text-2);font-size:15px;max-width:560px;line-height:1.8;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  width:250px;
  padding:13px 18px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface-2);
  color:var(--text);
  outline:none;
  transition:border-color .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{border-color:var(--primary);background:#0B1220;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--border);
  background:rgba(15,22,36,.6);
  padding:60px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:44px;
}
.footer-brand .brand{font-size:19px;margin-bottom:16px;}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.85;max-width:340px;}
.footer-col h4{
  font-size:15px;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col li{margin-bottom:11px;}
.footer-col a,.footer-col span{
  color:var(--text-2);
  text-decoration:none;
  font-size:14px;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--border);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:13px;
  color:var(--text-3);
}
.to-top{color:var(--text-2);text-decoration:none;transition:color .2s ease;}
.to-top:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 268px;gap:40px;}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px;padding:40px 0 64px;}
  .side-sticky{position:static;}
  .article-head h1{font-size:33px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:900px){
  .nav{
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    padding:6px 24px 18px;
    display:none;
    box-shadow:var(--shadow);
  }
  .site-header.is-open .nav{display:flex;}
  .nav-link{
    width:100%;
    padding:14px 0;
    border-bottom:1px solid var(--border-soft);
    font-size:15px;
  }
  .nav-link:last-child{border-bottom:none;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{color:var(--primary);}
  .nav-link.is-active::before{
    content:"";
    display:inline-block;
    width:6px;height:6px;
    border-radius:50%;
    background:var(--primary);
    margin-right:10px;
    vertical-align:middle;
  }
  .menu-toggle{display:inline-flex;}
  .header-inner{height:66px;}
  .brand{font-size:17px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .article-head{padding:20px 0 30px;}
  .article-head h1{font-size:28px;line-height:1.4;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .article-layout{padding:32px 0 54px;}
  .cta-band{padding:26px 22px;border-radius:var(--radius);}
  .cta-form{width:100%;}
  .cta-form input{width:100%;}
  .cta-form .btn{width:100%;}
  .article-foot .btn{flex:1 1 200px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:44px 0 24px;}
}
@media (max-width:520px){
  .header-actions .btn-mini{display:none;}
  .article-head h1{font-size:26px;}
  .side-card{padding:18px;border-radius:var(--radius);}
  .empty-state{padding:44px 20px;}
  .article-layout{gap:26px;}
}

/* roulang page: category1 */
:root{
  --bg:#070B12;
  --surface:#0F1624;
  --surface-2:#121826;
  --line:#1E2A3A;
  --line-soft:rgba(30,42,58,.6);
  --text:#EAF0F7;
  --muted:#9AA7B8;
  --weak:#6F7C8F;
  --primary:#2DE1C2;
  --primary-soft:rgba(45,225,194,.12);
  --secondary:#6D5DF6;
  --secondary-soft:rgba(109,93,246,.14);
  --accent:#FF8A3D;
  --accent-soft:rgba(255,138,61,.14);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --container:1240px;
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  position:relative;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%,rgba(255,255,255,.16),transparent 60%),
    radial-gradient(1.5px 1.5px at 78% 12%,rgba(45,225,194,.20),transparent 60%),
    radial-gradient(1.5px 1.5px at 32% 62%,rgba(255,255,255,.12),transparent 60%),
    radial-gradient(1.5px 1.5px at 88% 74%,rgba(109,93,246,.22),transparent 60%),
    radial-gradient(1.5px 1.5px at 58% 88%,rgba(255,255,255,.10),transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.02em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--primary);color:#04140F}

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

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(0,0,0,.32)}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  min-height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  letter-spacing:.03em;
  white-space:nowrap;
}
.brand em{font-style:normal;color:var(--primary)}
.brand-mark{
  width:12px;height:12px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,var(--primary),var(--secondary));
  box-shadow:0 0 0 4px rgba(45,225,194,.10);
  flex:none;
}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:100%;
  bottom:0;
  height:1px;
  background:var(--primary);
  transition:right .25s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{right:0}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{right:0;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
  font-size:16px;
  line-height:1;
}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#04140F}
.btn-primary:hover{background:#5EEBD4;box-shadow:0 10px 24px rgba(45,225,194,.22)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-accent{background:var(--accent);color:#1A0C02}
.btn-accent:hover{background:#FFA366;box-shadow:0 10px 24px rgba(255,138,61,.22)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.link-arrow:hover{color:var(--primary);border-color:var(--primary)}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:6px;
  font-size:13px;
  line-height:1.7;
  background:var(--secondary-soft);
  color:#B9B2FF;
  border:1px solid rgba(109,93,246,.3);
}
.tag-primary{background:var(--primary-soft);color:var(--primary);border-color:rgba(45,225,194,.3)}
.tag-accent{background:var(--accent-soft);color:var(--accent);border-color:rgba(255,138,61,.32)}
.tag-muted{background:rgba(154,167,184,.1);color:var(--muted);border-color:var(--line)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  border-bottom:1px solid var(--line);
  background:rgba(15,22,36,.5);
}
.breadcrumb-inner{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--weak);
  padding:14px 0;
  flex-wrap:wrap;
}
.breadcrumb-inner a{color:var(--muted);transition:color .2s ease}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-inner .sep{color:var(--line);}
.breadcrumb-inner .current{color:var(--weak)}

/* ---------- 分类首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:72px 0 64px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,18,.55) 0%,rgba(7,11,18,.92) 70%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:1}
.hero-grid{
  display:grid;
  grid-template-columns:1.25fr .85fr;
  gap:56px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--primary);
  letter-spacing:.14em;
  margin-bottom:18px;
}
.hero-eyebrow::before{
  content:"";
  width:26px;height:1px;
  background:var(--primary);
  display:inline-block;
}
.page-hero h1{
  font-size:46px;
  line-height:1.25;
  letter-spacing:.02em;
  margin-bottom:20px;
}
.page-hero h1 span{color:var(--primary)}
.hero-lead{
  font-size:16.5px;
  color:var(--muted);
  max-width:640px;
  margin-bottom:26px;
}
.hero-figure{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--surface);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.hero-figure .figure-badge{
  position:absolute;
  top:14px;left:14px;
  padding:5px 12px;
  border-radius:6px;
  font-size:12.5px;
  background:rgba(7,11,18,.78);
  border:1px solid rgba(45,225,194,.4);
  color:var(--primary);
  letter-spacing:.06em;
}

/* 筛选标签 */
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:6px;
}
.filter-tag{
  padding:8px 18px;
  border-radius:999px;
  font-size:14px;
  background:rgba(15,22,36,.8);
  border:1px solid var(--line);
  color:var(--muted);
  cursor:pointer;
  transition:all .2s ease;
}
.filter-tag:hover{color:var(--text);border-color:#2C3B50}
.filter-tag.is-active{
  color:var(--primary);
  border-color:rgba(45,225,194,.55);
  background:var(--primary-soft);
}
.filter-tag:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* 数据条 */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:rgba(15,22,36,.72);
  overflow:hidden;
}
.stat-item{
  padding:20px 24px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:none}
.stat-value{
  font-family:var(--mono);
  font-size:26px;
  color:var(--text);
  letter-spacing:.02em;
  line-height:1.3;
}
.stat-value em{font-style:normal;font-size:14px;color:var(--weak);margin-left:4px}
.stat-label{font-size:13px;color:var(--weak);margin-top:2px}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-alt{background:rgba(15,22,36,.45);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;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.section-head h2{font-size:32px;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;max-width:660px}
.section-index{
  font-family:var(--mono);
  font-size:13px;
  color:var(--primary);
  letter-spacing:.2em;
  margin-bottom:10px;
  display:block;
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative}
.timeline-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:24px;
  padding-bottom:36px;
}
.timeline-item:last-child{padding-bottom:0}
.tl-rail{position:relative;display:flex;justify-content:center}
.tl-rail::before{
  content:"";
  position:absolute;
  top:34px;
  bottom:-36px;
  width:1px;
  background:linear-gradient(180deg,var(--line),rgba(30,42,58,.15));
}
.timeline-item:last-child .tl-rail::before{display:none}
.tl-dot{
  width:34px;height:34px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  position:relative;
  z-index:1;
}
.timeline-item.is-hot .tl-dot{
  border-color:rgba(45,225,194,.55);
  color:var(--primary);
  box-shadow:0 0 0 4px rgba(45,225,194,.08);
}
.tl-card{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.tl-card:hover{
  border-color:rgba(45,225,194,.5);
  transform:translateY(-1px);
  box-shadow:var(--shadow);
}
.tl-cover{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-2);
}
.tl-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.tl-card:hover .tl-cover img{transform:scale(1.03)}
.tl-cover .cover-state{
  position:absolute;
  top:12px;left:12px;
  padding:4px 10px;
  border-radius:6px;
  font-size:12.5px;
  letter-spacing:.04em;
  background:rgba(7,11,18,.82);
  border:1px solid rgba(45,225,194,.42);
  color:var(--primary);
}
.tl-cover .cover-state.is-replay{
  border-color:rgba(154,167,184,.4);
  color:var(--muted);
}
.tl-body{display:flex;flex-direction:column;gap:14px}
.tl-meta{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--weak);
}
.tl-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}
.tl-title{font-size:22px;line-height:1.35}
.tl-title a{transition:color .2s ease}
.tl-title a:hover{color:var(--primary)}
.points{display:flex;flex-direction:column;gap:6px}
.points li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.75;
}
.points li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--secondary);
}
.countdown-row{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  padding:14px 0 4px;
  border-top:1px solid var(--line-soft);
}
.countdown{display:flex;align-items:center;gap:8px}
.cd-cell{
  display:flex;
  align-items:baseline;
  gap:4px;
  padding:4px 10px;
  border-radius:8px;
  background:rgba(7,11,18,.75);
  border:1px solid var(--line);
}
.cd-num{
  font-family:var(--mono);
  font-size:24px;
  line-height:1.2;
  color:var(--primary);
  letter-spacing:.04em;
}
.cd-label{font-size:12px;color:var(--weak)}
.cd-live{
  font-family:var(--mono);
  font-size:15px;
  color:var(--accent);
  letter-spacing:.06em;
}
.countdown-caption{font-size:13px;color:var(--weak)}
.tl-actions{display:flex;gap:12px;flex-wrap:wrap;padding-top:4px}

/* ---------- 变动记录 ---------- */
.update-list{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  background:var(--surface);
}
.update-item{
  display:grid;
  grid-template-columns:150px 1fr auto;
  gap:20px;
  align-items:center;
  padding:18px 24px;
  border-bottom:1px solid var(--line-soft);
  transition:background .2s ease;
}
.update-item:last-child{border-bottom:none}
.update-item:hover{background:rgba(45,225,194,.04)}
.update-time{font-family:var(--mono);font-size:13.5px;color:var(--weak)}
.update-text{font-size:14.5px;color:var(--muted)}
.update-text strong{color:var(--text);font-weight:600}

/* ---------- 订阅条带 ---------- */
.subscribe-band{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(45,225,194,.08),rgba(109,93,246,.08));
  padding:38px 40px;
  display:grid;
  grid-template-columns:1fr 420px;
  gap:36px;
  align-items:center;
}
.subscribe-band h3{font-size:24px;margin-bottom:10px}
.subscribe-band p{color:var(--muted);font-size:14.5px}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{
  flex:1;
  padding:13px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(7,11,18,.72);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe-form input::placeholder{color:var(--weak)}
.subscribe-form input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(45,225,194,.14);
}
.form-hint{font-size:13px;color:var(--weak);margin-top:12px}
.form-hint.is-error{color:var(--accent)}
.form-hint.is-ok{color:var(--primary)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:24px 44px 24px 0;
  position:relative;
  font-size:17.5px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:6px;top:50%;
  transform:translateY(-50%);
  font-family:var(--mono);
  font-size:20px;
  color:var(--primary);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.faq-body{padding:0 44px 26px 0;color:var(--muted);font-size:15px;line-height:1.85}
.faq-body a{color:var(--primary);border-bottom:1px solid rgba(45,225,194,.35)}
.faq-body a:hover{border-color:var(--primary)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  border-top:1px solid var(--line);
  background:rgba(15,22,36,.6);
  padding:64px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
}
.cta-inner h2{font-size:28px;margin-bottom:10px}
.cta-inner p{color:var(--muted);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.back-links{
  margin-top:34px;
  display:flex;
  gap:26px;
  flex-wrap:wrap;
  font-size:14px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:64px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand p{color:var(--weak);margin-top:16px;max-width:340px;line-height:1.85;font-size:13.5px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.06em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{color:var(--weak);font-size:13.5px;transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--weak);
  font-size:13px;
}
.to-top{color:var(--muted);transition:color .2s ease}
.to-top:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 22px}
  .page-hero h1{font-size:42px}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-figure{max-width:620px}
  .tl-card{grid-template-columns:260px 1fr}
  .subscribe-band{grid-template-columns:1fr;padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:860px){
  .menu-toggle{display:inline-flex}
  .header-inner{min-height:64px;gap:16px}
  .nav{
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    margin-left:0;
    padding:8px 24px 18px;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px rgba(0,0,0,.35);
    display:none;
  }
  body.nav-open .nav{display:flex}
  .nav-link{width:100%;padding:13px 0;border-bottom:1px solid var(--line-soft);font-size:15.5px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--primary);padding-left:14px}
  .nav-link.is-active::before{
    content:"";
    position:absolute;
    left:0;top:22px;
    width:6px;height:6px;
    border-radius:50%;
    background:var(--primary);
  }
  .header-actions .btn-ghost{padding:8px 14px;font-size:13px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .page-hero{padding:52px 0 44px}
  .page-hero h1{font-size:32px}
  .hero-lead{font-size:15.5px}
  .section-head h2{font-size:25px}
  .timeline-item{grid-template-columns:1fr;gap:14px;padding-bottom:28px}
  .tl-rail{display:none}
  .tl-card{grid-template-columns:1fr;padding:18px}
  .tl-title{font-size:19px}
  .countdown-row{gap:14px}
  .cd-num{font-size:20px}
  .update-item{grid-template-columns:1fr;gap:6px;padding:16px 18px}
  .cta-inner{grid-template-columns:1fr}
  .cta-inner h2{font-size:23px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .faq-item summary{font-size:16px;padding:20px 36px 20px 0}
  .faq-body{padding-right:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .page-hero h1{font-size:28px}
  .brand{font-size:16px}
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-right:none;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:none}
  .tl-card{padding:16px}
  .cd-cell{padding:3px 8px}
  .cd-num{font-size:18px}
  .btn{padding:12px 20px;font-size:14.5px}
  .btn-block-sm{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --bg:#070B12;
  --bg-deep:#080D15;
  --surface:#0F1624;
  --surface-2:#121826;
  --line:#1E2A3A;
  --text:#EAF0F7;
  --muted:#9AA7B8;
  --faint:#6F7C8F;
  --primary:#2DE1C2;
  --primary-dim:rgba(45,225,194,.12);
  --violet:#6D5DF6;
  --violet-dim:rgba(109,93,246,.14);
  --orange:#FF8A3D;
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow:0 14px 34px rgba(0,0,0,.38);
  --shadow-soft:0 8px 22px rgba(0,0,0,.26);
  --container:1240px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  letter-spacing:.012em;
  background:
    radial-gradient(circle at 12% 4%, rgba(45,225,194,.07), transparent 42%),
    radial-gradient(circle at 88% 0%, rgba(109,93,246,.10), transparent 40%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.015em}
p{margin:0}
::selection{background:rgba(45,225,194,.28)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#0A0E17;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(0,0,0,.35);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.03em;white-space:nowrap}
.brand em{font-style:normal;color:var(--primary)}
.brand-mark{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(45,225,194,.14);flex:0 0 auto}
.nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:8px 14px;border-radius:999px;font-size:15px;color:var(--muted);white-space:nowrap}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text);background:var(--primary-dim);box-shadow:inset 0 0 0 1px rgba(45,225,194,.34)}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:4px;transition:.2s}
.menu-toggle span{display:block;width:16px;height:1.5px;background:var(--text);transition:.2s}
.menu-toggle:hover{border-color:var(--primary)}
.menu-toggle:hover span{background:var(--primary)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#04140F;box-shadow:0 8px 20px rgba(45,225,194,.18)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 28px rgba(45,225,194,.26)}
.btn-accent{background:var(--orange);color:#1A0C02}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;color:var(--muted);border-bottom:1px solid transparent;padding-bottom:2px}
.link-arrow:hover{color:var(--primary);border-color:rgba(45,225,194,.5)}

/* ---------- hero ---------- */
.hero-cat{position:relative;overflow:hidden;padding:72px 0 68px;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.20}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 18% 18%, rgba(45,225,194,.12), transparent 46%),
    radial-gradient(circle at 84% 8%, rgba(109,93,246,.16), transparent 44%),
    linear-gradient(180deg, rgba(7,11,18,.35), rgba(7,11,18,.92));
}
.hero-inner{position:relative;z-index:2;max-width:880px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--faint);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-dim);border:1px solid rgba(45,225,194,.28);
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary)}
.hero-cat h1{font-size:clamp(28px,4.4vw,50px);letter-spacing:.02em}
.hero-sub{margin-top:20px;max-width:740px;font-size:17px;color:var(--muted);line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:44px;margin-top:46px;padding-top:26px;border-top:1px solid var(--line)}
.hero-meta li{display:flex;flex-direction:column;gap:4px}
.hero-meta strong{font-family:var(--mono);font-size:24px;color:var(--primary);letter-spacing:.02em;font-weight:700}
.hero-meta span{font-size:13.5px;color:var(--faint)}

/* ---------- section ---------- */
.section{padding:78px 0}
.section-line{border-top:1px solid var(--line)}
.section-tag{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--violet);margin-bottom:14px}
.section-head{max-width:780px;margin-bottom:44px}
.section-head h2{font-size:clamp(23px,2.9vw,33px)}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px}

/* ---------- channel strip ---------- */
.channel-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.channel-item{display:flex;flex-direction:column;gap:10px;padding:28px 24px;background:var(--surface);min-height:206px;transition:background-color .24s ease}
.channel-item:hover{background:var(--surface-2)}
.channel-num{font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:var(--faint);transition:color .24s ease}
.channel-item:hover .channel-num{color:var(--primary)}
.channel-item h3{font-size:18px}
.channel-item p{font-size:14px;color:var(--muted);line-height:1.75}
.channel-go{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--faint);transition:color .24s ease,transform .24s ease}
.channel-item:hover .channel-go{color:var(--primary);transform:translateX(3px)}

/* ---------- split layout ---------- */
.layout-split{display:grid;grid-template-columns:276px minmax(0,1fr);gap:56px;align-items:start}
.toc{position:sticky;top:104px;border-left:1px solid var(--line);padding-left:22px}
.toc-title{font-size:12.5px;letter-spacing:.14em;color:var(--faint);margin-bottom:16px}
.toc ol{display:flex;flex-direction:column;gap:2px}
.toc a{display:flex;align-items:baseline;gap:12px;padding:9px 0;font-size:14.5px;color:var(--muted)}
.toc a span{font-family:var(--mono);font-size:12.5px;color:var(--faint);transition:color .2s ease}
.toc a:hover{color:var(--primary)}
.toc a:hover span{color:var(--primary)}
.toc-note{margin-top:26px;padding:18px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);font-size:13.5px;color:var(--faint);line-height:1.8}
.toc-note strong{display:block;color:var(--muted);font-size:13.5px;margin-bottom:6px}

/* ---------- steps ---------- */
.step-list{display:flex;flex-direction:column;gap:22px}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
  scroll-margin-top:110px;
}
.step-card:hover{border-color:rgba(45,225,194,.42);transform:translateY(-2px);box-shadow:var(--shadow)}
.step-head{display:flex;align-items:center;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:54px;height:40px;
  border-radius:12px;background:var(--primary-dim);border:1px solid rgba(45,225,194,.3);
  color:var(--primary);font-family:var(--mono);font-size:16px;font-weight:700;letter-spacing:.06em;
}
.step-head h3{font-size:20px}
.step-badge{
  margin-left:auto;display:inline-flex;align-items:center;padding:4px 12px;border-radius:6px;
  font-size:12.5px;color:#B6ACFF;background:var(--violet-dim);border:1px solid rgba(109,93,246,.3);
}
.step-card > p{color:var(--muted);font-size:15.5px}
.point-list{display:flex;flex-direction:column;gap:11px;margin-top:18px}
.point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--muted)}
.point-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.85}
.step-figure{margin-top:24px;border:1px solid var(--line);border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:var(--surface-2)}
.step-figure img{width:100%;height:100%;object-fit:cover}
.step-figure figcaption{padding:10px 14px;font-size:13px;color:var(--faint);border-top:1px solid var(--line);background:var(--bg-deep)}
.step-figure-inner{aspect-ratio:16/9;overflow:hidden}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease}
.scene-card:hover{border-color:rgba(45,225,194,.4);transform:translateY(-2px);box-shadow:var(--shadow)}
.scene-media{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--surface-2)}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-body{padding:22px 24px 26px}
.scene-body h3{font-size:18px;margin-bottom:10px}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:6px;font-size:12.5px;color:var(--muted);background:rgba(30,42,58,.6);border:1px solid var(--line)}
.tag-primary{color:var(--primary);background:var(--primary-dim);border-color:rgba(45,225,194,.28)}

/* ---------- notice list ---------- */
.notice-list{border-top:1px solid var(--line)}
.notice-item{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}
.notice-idx{font-family:var(--mono);font-size:13.5px;color:var(--violet);min-width:34px;padding-top:5px}
.notice-item h3{font-size:17px;margin-bottom:8px}
.notice-item p{font-size:15px;color:var(--muted)}

/* ---------- update rows ---------- */
.update-list{border-top:1px solid var(--line)}
.update-row{
  display:grid;grid-template-columns:112px 96px minmax(0,1fr) 20px;gap:22px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--line);transition:background-color .2s ease;
}
.update-row:hover{background:linear-gradient(90deg, rgba(45,225,194,.055), rgba(45,225,194,0))}
.update-time{font-family:var(--mono);font-size:13.5px;color:var(--faint)}
.update-text{font-size:15.5px;color:var(--muted);transition:color .2s ease}
.update-row:hover .update-text{color:var(--text)}
.update-arrow{color:var(--faint);text-align:right;transition:color .2s ease,transform .2s ease}
.update-row:hover .update-arrow{color:var(--primary);transform:translateX(3px)}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--mono);font-size:20px;line-height:1;color:var(--primary);transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--primary)}
.faq-answer{max-width:840px;padding:0 4px 26px;font-size:15.5px;color:var(--muted);line-height:1.9}
.faq-answer a{color:var(--primary);border-bottom:1px solid rgba(45,225,194,.35)}

/* ---------- cta ---------- */
.cta-wrap{padding:8px 0 84px}
.cta-inner{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:44px;align-items:center;
  padding:42px 44px;border:1px solid var(--line);border-radius:var(--radius-l);background:var(--surface);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background:
    radial-gradient(circle at 92% 12%, rgba(45,225,194,.16), transparent 46%),
    radial-gradient(circle at 6% 92%, rgba(109,93,246,.18), transparent 48%);
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px)}
.cta-copy p{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:560px}
.cta-form{position:relative;z-index:2}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap}
.field{flex:1 1 220px;min-width:0}
.field input{
  width:100%;padding:13px 18px;border-radius:999px;
  background:#0B1220;border:1px solid var(--line);color:var(--text);font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--faint)}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(45,225,194,.16)}
.field input:invalid:not(:placeholder-shown){border-color:var(--orange)}
.form-hint{margin-top:12px;font-size:13px;color:var(--faint)}
.cta-links{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-deep);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{max-width:380px;font-size:14.5px;color:var(--faint);line-height:1.9}
.footer-col h4{font-size:14px;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--faint);
}
.to-top{color:var(--muted)}
.to-top:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .channel-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .layout-split{grid-template-columns:minmax(0,1fr);gap:36px}
  .toc{position:static;border-left:none;padding-left:0;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px}
}
@media (max-width:900px){
  .menu-toggle{display:inline-flex}
  .nav{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 16px 18px;background:#0A0E17;border-bottom:1px solid var(--line);
  }
  .nav.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:10px}
  .nav-link.is-active{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
  .nav-link.is-active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--primary);margin-right:9px;vertical-align:middle}
  .header-inner{position:relative;min-height:68px}
  .hero-cat{padding:52px 0 50px}
  .section{padding:58px 0}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 16px}
  body{font-size:16px}
  .hero-meta{gap:28px}
  .update-row{grid-template-columns:96px minmax(0,1fr);gap:12px 16px;align-items:start}
  .update-arrow{display:none}
  .update-text{grid-column:2}
  .notice-item{gap:16px}
  .cta-inner{padding:30px 24px}
  .cta-wrap{padding-bottom:64px}
}
@media (max-width:520px){
  .hero-cat h1{font-size:28px}
  .hero-meta{gap:20px}
  .hero-meta strong{font-size:20px}
  .hero-actions .btn{width:100%}
  .channel-strip{grid-template-columns:minmax(0,1fr)}
  .channel-item{min-height:auto;padding:22px 18px}
  .step-card{padding:20px 18px}
  .step-badge{margin-left:0}
  .scene-body{padding:18px 18px 22px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .subscribe-form .btn{width:100%}
  .cta-links{gap:16px}
}