/* roulang page: index */
:root{
  --bg:#050914;
  --bg-2:#0A1224;
  --panel:rgba(14,25,45,.72);
  --panel-solid:#0d1729;
  --primary:#2AF5C6;
  --secondary:#2F80FF;
  --accent:#FF7A1A;
  --text:#EAF2FF;
  --muted:#8FA3BF;
  --border:rgba(42,245,198,.16);
  --border-soft:rgba(255,255,255,.07);
  --radius:20px;
  --radius-sm:14px;
  --radius-lg:26px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-lg:0 28px 72px rgba(0,0,0,.58);
  --container:1240px;
  --mono:"Bahnschrift","DIN Alternate","Roboto Mono","SFMono-Regular",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;letter-spacing:.01em;
  background-image:
    radial-gradient(900px 520px at 12% -6%,rgba(47,128,255,.16),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(42,245,198,.13),transparent 60%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;color:var(--text)}
h1{font-size:clamp(34px,4.6vw,52px);font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:clamp(18px,2vw,21px)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--flush{padding-top:0}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);
  padding:6px 14px;border:1px solid var(--border);border-radius:999px;
  background:rgba(42,245,198,.07);margin-bottom:18px;
}
.eyebrow i{font-size:11px}
.section-head p{color:var(--muted);font-size:16px;margin-top:14px}
.muted{color:var(--muted)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--secondary));
  color:#04121a;box-shadow:0 12px 32px rgba(42,245,198,.28);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 44px rgba(42,245,198,.42);color:#04121a}
.btn-primary:active{transform:translateY(1px);box-shadow:0 8px 20px rgba(42,245,198,.24)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:rgba(42,245,198,.09);border-color:rgba(42,245,198,.5);transform:translateY(-2px);color:var(--text)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,9,20,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;gap:22px;
}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:.01em;flex:0 0 auto}
.logo:hover{color:var(--text)}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#04121a;font-size:15px;font-weight:800;
  box-shadow:0 8px 22px rgba(42,245,198,.32);
}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-chips{
  display:flex;align-items:center;gap:8px;margin:0 auto;
  padding:4px;border-radius:999px;background:rgba(255,255,255,.03);
  border:1px solid var(--border-soft);
}
.nav-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-chip:hover{color:var(--text);background:rgba(42,245,198,.09)}
.nav-chip.is-active{
  color:#04121a;background:linear-gradient(135deg,var(--primary),var(--secondary));
  box-shadow:0 8px 24px rgba(42,245,198,.28);
}
.header-cta{flex:0 0 auto}

/* Hero */
.hero{padding:64px 0 0;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 42%,rgba(42,245,198,.07) 50%,transparent 58%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:52px;align-items:center}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);aspect-ratio:16/9;
  background:var(--panel-solid);
}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.86}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.045) 0 1px,transparent 1px 4px);
  mix-blend-mode:overlay;
}
.hero-badge{
  position:absolute;top:16px;left:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(255,122,26,.16);border:1px solid rgba(255,122,26,.5);color:#FFC08A;
  backdrop-filter:blur(10px);
}
.dot-pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(255,122,26,.7);animation:pulse 1.8s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,122,26,.65)}
  70%{box-shadow:0 0 0 12px rgba(255,122,26,0)}
  100%{box-shadow:0 0 0 0 rgba(255,122,26,0)}
}
.hero-media-bar{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:18px 22px 16px;
  background:linear-gradient(180deg,rgba(5,9,20,0),rgba(5,9,20,.94));
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
}
.hero-media-bar strong{display:block;font-size:16px}
.hero-media-bar span{font-size:13px;color:var(--muted)}
.hero-media-bar .meta-right{font-family:var(--mono);font-size:13px;color:var(--primary)}
.hero-copy h1{margin-bottom:18px}
.hero-sub{color:var(--muted);font-size:16.5px;max-width:600px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;font-size:13px;
  border:1px solid var(--border);background:rgba(42,245,198,.07);color:#C9F7EC;
}
.pill i{color:var(--primary);font-size:11px}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:26px 0 8px}
.cd-cell{
  background:var(--panel);border:1px solid var(--border);border-radius:16px;
  padding:14px 8px 12px;text-align:center;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.cd-num{display:block;font-family:var(--mono);font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.1;color:var(--text)}
.cd-label{display:block;font-size:12px;color:var(--muted);margin-top:4px;letter-spacing:.1em}
.cd-cell--sec .cd-num{color:var(--primary);text-shadow:0 0 18px rgba(42,245,198,.55)}
.countdown.is-soon .cd-num{color:var(--accent);text-shadow:0 0 18px rgba(255,122,26,.5)}
.cd-note{font-size:13px;color:var(--muted);margin-bottom:22px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}

/* 数据条 */
.stat-strip{
  margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--border);
}
.stat-cell{background:rgba(9,16,32,.9);padding:26px 24px}
.stat-cell strong{display:block;font-family:var(--mono);font-size:clamp(24px,2.6vw,32px);color:var(--primary);line-height:1.2}
.stat-cell span{display:block;color:var(--muted);font-size:14px;margin-top:6px}

/* 看点时间线 */
.timeline{display:grid;gap:12px}
.timeline-item{
  display:grid;grid-template-columns:96px 1fr;gap:22px;align-items:start;
  padding:22px 26px;border-radius:16px;
  border:1px solid transparent;border-left:2px solid rgba(42,245,198,.22);
  background:rgba(255,255,255,.015);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.timeline-item:hover{
  background:rgba(42,245,198,.06);border-left-color:var(--primary);
  box-shadow:-8px 0 32px -18px rgba(42,245,198,.9);transform:translateX(3px);
}
.timeline-time{font-family:var(--mono);font-size:19px;color:var(--primary);font-weight:700}
.timeline-time small{display:block;font-family:inherit;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:.08em;margin-top:4px}
.timeline-body h3{margin-bottom:8px}
.timeline-body p{color:var(--muted);font-size:15px}

/* 提醒订阅 */
.subscribe-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.subscribe-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.form-label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.form-input{
  width:100%;padding:14px 16px;border-radius:14px;
  background:rgba(5,9,20,.75);border:1px solid var(--border-soft);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-input::placeholder{color:#5f7characters}
.form-input::placeholder{color:#607characters}
.form-input::placeholder{color:#61758f}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(42,245,198,.14)}
.form-input.is-error{border-color:rgba(255,122,26,.85);box-shadow:0 0 0 4px rgba(255,122,26,.14)}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:14px 0 18px;cursor:pointer}
.form-check input{margin-top:4px;accent-color:var(--primary);width:16px;height:16px}
.form-msg{font-size:13.5px;margin-top:12px;min-height:20px}
.form-msg.is-ok{color:var(--primary)}
.form-msg.is-err{color:#FFB176}
.subscribe-list{display:grid;gap:16px;margin-top:8px}
.subscribe-list li{display:flex;gap:12px;color:var(--muted);font-size:15px}
.subscribe-list i{color:var(--primary);margin-top:5px}

/* 回放横滑 */
.scroll-row{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(264px,288px);gap:20px;
  overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.scroll-row::-webkit-scrollbar{display:none}
.replay-card{scroll-snap-align:start}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(42,245,198,.45);box-shadow:var(--shadow-lg)}
.cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-solid)}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;opacity:.9}
.card:hover .cover img{transform:scale(1.05)}
.cover-tag{
  position:absolute;top:12px;left:12px;padding:5px 11px;border-radius:999px;
  font-size:12px;font-weight:700;background:rgba(5,9,20,.7);border:1px solid var(--border);color:#C9F7EC;
  backdrop-filter:blur(8px);
}
.cover-duration{
  position:absolute;right:12px;bottom:12px;padding:4px 10px;border-radius:8px;
  font-family:var(--mono);font-size:12px;background:rgba(5,9,20,.78);border:1px solid var(--border-soft);color:var(--text);
}
.card-body{padding:18px 20px 22px}
.card-body h3{margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link{display:inline-flex;align-items:center;gap:7px;margin-top:14px;color:var(--primary);font-size:14px;font-weight:700}
.card-link i{transition:transform .2s ease}
.card:hover .card-link i{transform:translateX(4px)}

/* 最新信息 */
.news-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;align-items:start}
.news-list{display:grid;gap:16px}
.news-card{
  display:grid;grid-template-columns:184px 1fr;gap:20px;align-items:stretch;
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(42,245,198,.45);box-shadow:var(--shadow-lg)}
.news-thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:var(--panel-solid)}
.news-thumb img{width:100%;height:100%;object-fit:cover;opacity:.9}
.news-content{display:flex;flex-direction:column;justify-content:center;min-width:0}
.news-content h3{margin-bottom:9px}
.news-content p{color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--muted)}
.tag-chip{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12.5px;color:#C9F7EC;background:rgba(42,245,198,.1);border:1px solid var(--border);
}
.news-meta time{font-family:var(--mono);font-size:12.5px}
.empty-state{
  padding:38px 26px;border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--muted);text-align:center;background:rgba(255,255,255,.015);
}
.side-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);margin-bottom:20px;
}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--primary);font-size:14px}
.rank-list{display:grid;gap:14px}
.rank-list li{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start}
.rank-num{
  font-family:var(--mono);font-size:13px;color:var(--primary);
  border:1px solid var(--border);border-radius:8px;text-align:center;line-height:22px;height:24px;
}
.rank-list a{font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-list a:hover{color:var(--primary)}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.8}
.side-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

/* 分类入口 */
.cat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cat-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--border);background:var(--panel);box-shadow:var(--shadow);
  min-height:290px;display:flex;flex-direction:column;justify-content:flex-end;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(42,245,198,.45);box-shadow:var(--shadow-lg)}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34;transition:transform .5s ease,opacity .4s ease}
.cat-card:hover img{transform:scale(1.05);opacity:.42}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,20,.18),rgba(5,9,20,.92));
}
.cat-inner{position:relative;z-index:2;padding:30px}
.cat-inner .tag-chip{margin-bottom:14px}
.cat-inner h3{font-size:23px;margin-bottom:10px}
.cat-inner p{color:var(--muted);font-size:15px;max-width:520px}
.cat-inner .card-link{margin-top:16px}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:940px}
.faq-item{
  background:var(--panel);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{border-color:rgba(42,245,198,.5);box-shadow:0 14px 40px -22px rgba(42,245,198,.8)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
}
.faq-q h3{font-size:16.5px;font-weight:600}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--border);color:var(--primary);font-size:12px;
  transition:transform .25s ease,background .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(42,245,198,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease,padding .32s ease;padding:0 24px}
.faq-a p{color:var(--muted);font-size:15px;line-height:1.85}
.faq-item.is-open .faq-a{max-height:340px;padding:0 24px 22px}

/* CTA */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:42px 44px;border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:linear-gradient(120deg,rgba(42,245,198,.13),rgba(47,128,255,.16)),rgba(9,16,32,.9);
  box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--muted);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* 页脚 */
.site-footer{border-top:1px solid var(--border);background:#04070f;padding:66px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.35fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col li{color:var(--muted);font-size:14.5px}
.footer-col a:hover{color:var(--primary)}
.footer-sub{display:flex;gap:10px;margin-top:14px}
.footer-sub input{
  flex:1 1 auto;min-width:0;padding:11px 14px;border-radius:12px;
  background:rgba(5,9,20,.8);border:1px solid var(--border-soft);color:var(--text);font-size:14px;
}
.footer-sub input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(42,245,198,.12)}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--border-soft);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  color:#6d81a0;font-size:13px;
}
.footer-bottom a{color:#6d81a0}
.footer-bottom a:hover{color:var(--primary)}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--border-soft);color:var(--muted);font-size:14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{border-color:rgba(42,245,198,.5);color:var(--primary);transform:translateY(-2px)}

/* 响应式 */
@media (max-width:1024px){
  .section{padding:80px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy h1{font-size:clamp(30px,5vw,42px)}
  .subscribe-wrap{grid-template-columns:1fr;gap:32px}
  .news-layout{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .site-header{position:sticky}
  .header-inner{height:auto;padding:12px 16px;flex-wrap:wrap;gap:12px}
  .logo{font-size:16.5px}
  .nav-chips{
    order:3;width:100%;margin:0;padding:4px;flex-wrap:nowrap;
    overflow-x:auto;scrollbar-width:none;border-radius:14px;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .nav-chip{flex:0 0 auto;padding:8px 14px;font-size:13.5px}
  .header-cta{margin-left:auto}
  .container{padding:0 16px}
  .section{padding:64px 0}
  .hero{padding-top:40px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .news-card{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .timeline-item{grid-template-columns:1fr;gap:10px;padding:20px}
}
@media (max-width:640px){
  h1{font-size:clamp(27px,7.6vw,34px)}
  h2{font-size:clamp(21px,5.6vw,27px)}
  .countdown{gap:8px}
  .cd-cell{padding:10px 4px 9px;border-radius:12px}
  .cd-num{font-size:26px}
  .cd-label{font-size:11px}
  .hero-cta .btn{flex:1 1 100%}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-cell{padding:20px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
  .scroll-row{grid-auto-columns:minmax(238px,252px)}
  .subscribe-card{padding:24px 20px}
}

/* roulang page: article */
:root{
  --bg-0:#050914;
  --bg-1:#0A1224;
  --bg-2:#0d1730;
  --panel:rgba(14,25,45,.72);
  --panel-solid:#0e192d;
  --primary:#2AF5C6;
  --blue:#2F80FF;
  --accent:#FF7A1A;
  --text:#EAF2FF;
  --text-soft:#C9D8EC;
  --muted:#8FA3BF;
  --border:rgba(42,245,198,.16);
  --border-strong:rgba(42,245,198,.40);
  --danger:#FF6A4D;
  --radius-lg:22px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 12px 34px rgba(0,0,0,.35);
  --container:1240px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"Bahnschrift","DIN Alternate","Roboto Mono",ui-monospace,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(47,128,255,.16), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(42,245,198,.12), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%, var(--bg-1) 48%, var(--bg-0) 100%);
  background-attachment:fixed;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid rgba(42,245,198,.75);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 26px;
}
.section{padding:88px 0}
.section-tight{padding:64px 0}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;top:0;left:0;
  height:3px;width:0;
  background:linear-gradient(90deg,var(--primary),var(--blue));
  box-shadow:0 0 14px rgba(42,245,198,.7);
  z-index:80;
  transition:width .12s linear;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,9,20,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 26px;
  height:72px;
  display:flex;
  align-items:center;
  gap:26px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  color:#04121f;
  font-family:var(--font-mono);
  font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:0 8px 22px rgba(42,245,198,.32);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--text);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}

.nav-chips{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.nav-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14.5px;color:var(--muted);
  white-space:nowrap;
  transition:color .25s,border-color .25s,background .25s,box-shadow .25s;
}
.nav-chip i{font-size:13px;opacity:.85}
.nav-chip:hover{color:var(--text);background:rgba(42,245,198,.07);border-color:var(--border)}
.nav-chip.is-active{
  color:#04121f;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  border-color:transparent;
  box-shadow:0 8px 22px rgba(42,245,198,.28);
  font-weight:600;
}
.header-cta{margin-left:auto;flex-shrink:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:transform .22s,box-shadow .22s,filter .22s,background .22s,border-color .22s,color .22s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--blue));
  color:#04121f;
  box-shadow:0 12px 28px rgba(42,245,198,.26);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 36px rgba(42,245,198,.4)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;
  border-color:var(--border-strong);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(42,245,198,.09);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 17px;font-size:14px}

/* ---------- 内页 Banner / 面包屑 ---------- */
.page-banner{
  position:relative;
  border-bottom:1px solid var(--border);
  background-image:linear-gradient(110deg,rgba(5,9,20,.94) 22%,rgba(5,9,20,.66) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:46px 0 40px;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(42,245,198,.55),transparent);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:16px;
}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:var(--text-soft)}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:rgba(42,245,198,.1);
  border:1px solid var(--border-strong);
  color:var(--primary);
  font-size:13.5px;font-weight:600;
  letter-spacing:.02em;
}

/* ---------- 文章主体 ---------- */
.article-section{padding:60px 0 34px}
.article-shell{
  max-width:860px;
  margin:0 auto;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:44px 46px 52px;
}
.article-head{border-bottom:1px solid var(--border);padding-bottom:26px;margin-bottom:34px}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.34;
  letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;font-size:13.5px;color:var(--muted);
}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:rgba(47,128,255,.14);
  border:1px solid rgba(47,128,255,.32);
  color:#B9D5FF;font-weight:600;
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--primary);opacity:.85;font-size:12.5px}

.article-body{max-width:100%;font-size:16.5px;line-height:1.85;color:var(--text-soft)}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);
  margin:44px 0 16px;
  padding-left:15px;
  border-left:4px solid var(--primary);
  line-height:1.42;
}
.article-body h3{font-size:19.5px;margin:32px 0 12px;color:var(--text)}
.article-body h4{font-size:17px;margin:26px 0 10px;color:var(--text)}
.article-body a{color:var(--primary);border-bottom:1px dashed rgba(42,245,198,.45);transition:color .2s,border-color .2s}
.article-body a:hover{color:#7CFFDD;border-color:#7CFFDD}
.article-body img{
  width:100%;border-radius:16px;
  border:1px solid var(--border);
  margin:26px 0;
  box-shadow:var(--shadow-soft);
}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:none;position:relative;margin:.42em 0}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(42,245,198,.8);
}
.article-body ol li{list-style:decimal;margin:.42em 0}
.article-body strong{color:#fff}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;
  background:rgba(42,245,198,.06);
  border-left:3px solid var(--primary);
  border-radius:0 14px 14px 0;
  color:#CBDCF1;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
  font-family:var(--font-mono);font-size:.9em;
  background:rgba(42,245,198,.11);
  padding:2px 7px;border-radius:6px;color:#9DFBE4;
}
.article-body table{
  width:100%;margin:26px 0;font-size:15px;
  border:1px solid var(--border);
  border-radius:14px;overflow:hidden;
}
.article-body thead th{
  background:rgba(47,128,255,.18);
  color:var(--text);text-align:left;
  padding:12px 15px;font-weight:600;
  border-bottom:1px solid var(--border);
}
.article-body tbody td{
  padding:11px 15px;
  border-bottom:1px solid rgba(42,245,198,.08);
  color:var(--text-soft);
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.028)}
.article-body tbody tr:last-child td{border-bottom:none}

.article-foot{
  margin-top:40px;padding-top:26px;
  border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.article-foot .note{font-size:13.5px;color:var(--muted)}

.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--border-strong);
  border-radius:var(--radius);
  background:rgba(42,245,198,.04);
}
.empty-state i{font-size:30px;color:var(--primary);opacity:.85}
.empty-state h2{font-size:21px;margin:16px 0 10px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ---------- 板块标题 ---------- */
.section-head{margin-bottom:36px;max-width:760px}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;
  margin-bottom:12px;
}
.section-label::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}
.section-head h2{font-size:clamp(23px,2.8vw,32px)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}

/* ---------- 相关推荐 ---------- */
.related-track{
  display:flex;gap:20px;
  overflow-x:auto;
  padding:6px 2px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.related-track::-webkit-scrollbar{height:6px}
.related-track::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:99px}
.related-track::-webkit-scrollbar-thumb{background:rgba(42,245,198,.35);border-radius:99px}
.related-card{
  flex:0 0 312px;
  scroll-snap-align:start;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform .3s,border-color .3s,box-shadow .3s;
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.related-card:hover .related-thumb img{transform:scale(1.06)}
.related-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,20,.05) 40%,rgba(5,9,20,.78) 100%);
}
.related-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:rgba(5,9,20,.72);
  border:1px solid var(--border-strong);
  font-size:12.5px;color:var(--primary);font-weight:600;
  backdrop-filter:blur(6px);
}
.related-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:16.5px;line-height:1.5}
.related-body p{font-size:14px;color:var(--muted);line-height:1.7}
.related-meta{margin-top:auto;font-size:12.5px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}

/* ---------- CTA / 订阅 ---------- */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:linear-gradient(120deg,rgba(47,128,255,.16),rgba(42,245,198,.10) 55%,rgba(14,25,45,.6));
  box-shadow:var(--shadow);
  padding:40px 42px;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-60%;right:-8%;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(42,245,198,.22),transparent 68%);
  pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:36px;align-items:center;position:relative;z-index:1}
.cta-grid h2{font-size:clamp(22px,2.6vw,30px)}
.cta-grid > div > p{margin-top:14px;color:var(--text-soft);font-size:15.5px;max-width:600px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:rgba(5,9,20,.5);
  border:1px solid var(--border);
  font-size:13px;color:var(--text-soft);
}
.tag i{color:var(--primary);font-size:12px}

.subscribe-card{
  background:rgba(5,9,20,.62);
  border:1px solid var(--border-strong);
  border-radius:var(--radius);
  padding:24px 24px 20px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-soft);
}
.subscribe-card h3{font-size:17px;margin-bottom:6px}
.subscribe-card .hint{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.sub-field{margin-bottom:12px}
.sub-field input[type="text"]{
  width:100%;
  padding:12px 16px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(5,9,20,.8);
  color:var(--text);
  font-size:14.5px;
  outline:none;
  transition:border-color .25s,box-shadow .25s;
}
.sub-field input[type="text"]::placeholder{color:#6E82A0}
.sub-field input[type="text"]:focus{border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(42,245,198,.14)}
.sub-field input[type="text"].is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,106,77,.16)}
.sub-check{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--muted);margin:4px 0 16px;line-height:1.6}
.sub-check input{margin-top:3px;accent-color:var(--primary);width:15px;height:15px}
.subscribe-card .btn{width:100%}
.form-msg{font-size:13px;margin-top:10px;min-height:18px;color:var(--muted)}
.form-msg.ok{color:var(--primary)}
.form-msg.err{color:#FF8A6A}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(5,9,20,.4),rgba(5,9,20,.92));
  padding:64px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:14.5px;color:var(--muted);line-height:1.8;max-width:340px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid var(--border);
  color:var(--muted);
  transition:color .25s,border-color .25s,background .25s,transform .25s;
}
.footer-social a:hover{color:var(--primary);border-color:var(--border-strong);background:rgba(42,245,198,.08);transform:translateY(-2px)}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14.5px;color:var(--muted);transition:color .22s,padding-left .22s}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  flex:1;min-width:0;
  padding:10px 15px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(5,9,20,.75);
  color:var(--text);font-size:14px;outline:none;
  transition:border-color .25s,box-shadow .25s;
}
.footer-sub input::placeholder{color:#6E82A0}
.footer-sub input:focus{border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(42,245,198,.13)}
.footer-sub input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,106,77,.15)}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 22px}
  .header-inner{padding:0 22px;gap:18px}
  .cta-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1 / -1}
  .article-shell{padding:36px 32px 42px}
  .section{padding:72px 0}
}
@media (max-width:900px){
  .header-inner{
    height:auto;
    flex-wrap:wrap;
    padding:12px 18px;
    gap:12px;
  }
  .logo{order:1}
  .header-cta{order:2;margin-left:auto}
  .nav-chips{
    order:3;width:100%;
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:4px;
    scrollbar-width:none;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .nav-chip{flex:0 0 auto}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-section{padding:36px 0 20px}
  .article-shell{padding:26px 20px 32px;border-radius:var(--radius)}
  .article-head{padding-bottom:20px;margin-bottom:26px}
  .article-body{font-size:16px;line-height:1.82}
  .cta-band{padding:28px 22px;border-radius:var(--radius)}
  .related-card{flex:0 0 262px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section{padding:56px 0}
  .page-banner{padding:34px 0 30px}
}
@media (max-width:520px){
  .logo-text{font-size:16px}
  .logo-mark{width:34px;height:34px;flex-basis:34px;font-size:13.5px}
  .header-cta .btn{padding:8px 13px;font-size:13px}
  .article-shell{padding:22px 16px 28px}
  .article-meta{gap:8px 14px}
  .btn{width:100%}
  .btn.btn-inline{width:auto}
  .related-card{flex:0 0 232px}
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
}
@media (hover:none){
  .related-card:hover{transform:none}
  .btn-primary:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#050914;
  --bg-2:#0A1224;
  --panel:rgba(14,25,45,.72);
  --panel-2:rgba(10,18,36,.62);
  --primary:#2AF5C6;
  --blue:#2F80FF;
  --accent:#FF7A1A;
  --text:#EAF2FF;
  --muted:#8FA3BF;
  --line:rgba(42,245,198,.16);
  --line-strong:rgba(42,245,198,.45);
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-hover:0 28px 70px rgba(0,0,0,.55);
  --container:1240px;
  --mono:"Bahnschrift","DIN Alternate","Roboto Mono","SFMono-Regular",Consolas,monospace;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(47,128,255,.20),transparent 60%),
    radial-gradient(820px 480px at 92% 4%,rgba(42,245,198,.14),transparent 62%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 48%,var(--bg) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(42,245,198,.75);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--primary);border:1px solid var(--line);
  background:rgba(42,245,198,.07);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(42,245,198,.32),transparent);margin:0}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,9,20,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 28px;
  height:72px;display:flex;align-items:center;gap:22px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  color:#04121a;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 0 22px rgba(42,245,198,.35);
}
.logo-text{font-size:18px;font-weight:700;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}

.nav-chips{display:flex;align-items:center;gap:10px;margin:0 auto;min-width:0}
.nav-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:999px;
  font-size:15px;color:var(--muted);
  border:1px solid transparent;white-space:nowrap;
  transition:all .25s ease;
}
.nav-chip i{font-size:13px;opacity:.9}
.nav-chip:hover{color:var(--text);background:rgba(42,245,198,.08);border-color:var(--line)}
.nav-chip.is-active{
  color:#03131a;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  box-shadow:0 0 26px rgba(42,245,198,.35);
}
.header-cta{flex:0 0 auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:14px 26px;
  font-size:15.5px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease,background .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--blue));
  color:#03131a;
  box-shadow:0 10px 30px rgba(42,245,198,.26);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 40px rgba(42,245,198,.42)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 18px rgba(42,245,198,.3)}
.btn-ghost{
  background:transparent;color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{background:rgba(42,245,198,.08);border-color:var(--line-strong);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:72px 0 88px;
  background-image:linear-gradient(180deg,rgba(5,9,20,.72),rgba(5,9,20,.94)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(42,245,198,.045) 0 1px,transparent 1px 5px);
  opacity:.6;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero h1{font-size:clamp(32px,4vw,52px);margin-bottom:18px}
.hero h1 span{color:var(--primary)}
.hero-sub{color:var(--muted);font-size:17px;max-width:620px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0 32px}
.stat{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:16px 18px;
  backdrop-filter:blur(10px);
}
.stat b{display:block;font-family:var(--mono);font-size:26px;color:var(--primary);line-height:1.2}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-visual{
  position:relative;border-radius:22px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:var(--panel);
}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92}
.hero-visual::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.035) 0 1px,transparent 1px 4px);
}
.badge-status{
  position:absolute;top:16px;left:16px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.6px;
  color:#03131a;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  box-shadow:0 0 20px rgba(42,245,198,.4);
}
.badge-status i{font-size:9px;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.visual-bar{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px;font-size:14px;
  background:linear-gradient(180deg,rgba(5,9,20,0),rgba(5,9,20,.92));
}
.visual-bar strong{color:var(--primary);font-family:var(--mono);font-size:17px}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb span{margin:0 8px;opacity:.5}

/* ---------- filter chips ---------- */
.filter-wrap{position:relative;margin-bottom:34px}
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-chip{
  flex:0 0 auto;cursor:pointer;
  padding:10px 20px;border-radius:999px;
  background:var(--panel-2);border:1px solid var(--line);
  color:var(--muted);font-size:14.5px;
  transition:all .25s ease;
}
.filter-chip:hover{color:var(--text);border-color:var(--line-strong)}
.filter-chip.is-active{
  color:#03131a;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  border-color:transparent;
  box-shadow:0 0 22px rgba(42,245,198,.32);
}

/* ---------- content layout ---------- */
.content-grid{display:grid;grid-template-columns:272px minmax(0,1fr);gap:34px;align-items:start}
.toc{
  position:sticky;top:96px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px;
  backdrop-filter:blur(12px);
}
.toc h3{font-size:15px;color:var(--primary);letter-spacing:1px;margin-bottom:14px}
.toc ul li{margin-bottom:4px}
.toc a{
  display:flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:10px;
  font-size:14.5px;color:var(--muted);
  border-left:2px solid transparent;
  transition:all .22s ease;
}
.toc a:hover{color:var(--text);background:rgba(42,245,198,.08);border-left-color:var(--primary)}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.toc-note b{color:var(--primary);font-family:var(--mono)}

.entry-list{display:grid;gap:20px}
.entry{
  display:grid;grid-template-columns:236px minmax(0,1fr);gap:22px;
  padding:18px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.entry:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.entry-media{position:relative;border-radius:14px;overflow:hidden;background:#08111f}
.entry-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.entry:hover .entry-media img{transform:scale(1.05)}
.tag-time{
  position:absolute;top:10px;left:10px;
  padding:5px 11px;border-radius:8px;
  font-size:12.5px;font-family:var(--mono);letter-spacing:.5px;
  color:#03131a;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--blue));
}
.tag-dur{
  position:absolute;bottom:10px;right:10px;
  padding:4px 9px;border-radius:8px;
  font-size:12px;font-family:var(--mono);
  color:var(--text);background:rgba(5,9,20,.78);border:1px solid var(--line);
}
.entry-body{display:flex;flex-direction:column;justify-content:center;gap:10px;min-width:0}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;
  color:var(--primary);background:rgba(42,245,198,.09);
  border:1px solid var(--line);
}
.tag.is-blue{color:#9ec5ff;background:rgba(47,128,255,.12);border-color:rgba(47,128,255,.3)}
.tag.is-orange{color:#ffb684;background:rgba(255,122,26,.12);border-color:rgba(255,122,26,.32)}
.entry h3{font-size:19px;line-height:1.45}
.entry p{color:var(--muted);font-size:14.5px}
.entry-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--primary);font-weight:600;margin-top:2px;
}
.entry-link i{transition:transform .3s ease}
.entry:hover .entry-link i{transform:translateX(4px)}
.list-empty{
  display:none;padding:34px;border-radius:var(--radius);
  border:1px dashed var(--line);color:var(--muted);text-align:center;font-size:15px;
}

/* ---------- steps ---------- */
.steps-grid{padding:0}
.step{padding-top:6px;padding-bottom:6px}
.step-num{
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--mono);font-weight:700;font-size:17px;color:#03131a;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  box-shadow:0 0 24px rgba(42,245,198,.3);
  margin-bottom:18px;
}
.step h3{font-size:19px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.8px}

/* ---------- subscribe ---------- */
.subscribe-panel{
  position:relative;overflow:hidden;
  border-radius:24px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(42,245,198,.10),rgba(47,128,255,.12)),var(--panel);
  padding:44px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.subscribe-panel h2{font-size:clamp(23px,2.4vw,31px);margin-bottom:14px}
.subscribe-panel p{color:var(--muted);font-size:15.5px}
.sub-form{display:grid;gap:14px}
.field-label{font-size:13.5px;color:var(--muted)}
.field-row{display:flex;gap:10px;flex-wrap:wrap}
input[type="text"],input[type="email"]{
  width:100%;padding:14px 16px;border-radius:12px;
  background:rgba(5,9,20,.82);
  border:1px solid var(--line);color:var(--text);
  transition:border-color .25s ease,box-shadow .25s ease;
}
input[type="text"]::placeholder,input[type="email"]::placeholder{color:#5f7391}
input[type="text"]:focus,input[type="email"]:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(42,245,198,.18);
}
input.has-error{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,26,.18)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted)}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:#2AF5C6}
.check-row a{color:var(--primary)}
.form-msg{font-size:13.5px;min-height:20px;color:var(--muted)}
.form-msg.is-ok{color:var(--primary)}
.form-msg.is-err{color:var(--accent)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:16px;
  background:var(--panel-2);margin-bottom:14px;overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 0 30px rgba(42,245,198,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;cursor:pointer;
  color:var(--text);font-size:17px;font-weight:600;text-align:left;line-height:1.5;
}
.faq-q i{color:var(--primary);font-size:14px;transition:transform .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;padding:0 22px}
.faq-item.is-open .faq-a{max-height:420px;padding-bottom:20px}
.faq-a p{color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  padding:42px 44px;border-radius:24px;
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(42,245,198,.14),rgba(47,128,255,.16)),var(--panel);
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-band p{color:var(--muted);font-size:15.5px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{
  margin-top:24px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,18,36,.6),rgba(5,9,20,.96));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:38px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin:16px 0 18px;max-width:340px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);
  transition:all .25s ease;
}
.footer-social a:hover{color:#03131a;background:linear-gradient(135deg,var(--primary),var(--blue));border-color:transparent}
.footer-col h4{font-size:15px;color:var(--primary);margin-bottom:16px;letter-spacing:.6px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--muted);font-size:14.5px}
.footer-col ul a:hover{color:var(--primary)}
.footer-sub{display:flex;gap:8px;margin-top:12px}
.footer-sub input{flex:1;min-width:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:22px;
  border-top:1px solid rgba(42,245,198,.14);
  color:var(--muted);font-size:13.5px;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .content-grid{grid-template-columns:1fr}
  .toc{position:static}
  .toc ul{display:flex;flex-wrap:wrap;gap:6px}
  .toc ul li{flex:1 1 auto}
  .subscribe-panel{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .container{padding:0 20px}
  .header-inner{height:auto;padding:14px 20px;flex-wrap:wrap;gap:12px}
  .nav-chips{order:3;width:100%;margin:0;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .nav-chips::-webkit-scrollbar{display:none}
  .header-cta{margin-left:auto}
  .entry{grid-template-columns:1fr;gap:16px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .subscribe-panel{padding:26px}
}
@media (max-width:520px){
  .hero{padding:52px 0 64px}
  .hero-stats{grid-template-columns:1fr;gap:10px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .faq-q{font-size:15.8px;padding:17px 18px}
  .faq-a{padding:0 18px}
  .field-row{flex-direction:column}
  .blk-1{padding:24px 20px}
}

/* roulang page: category2 */
:root{
  --bg:#050914;
  --bg-2:#0A1224;
  --panel:rgba(14,25,45,.72);
  --panel-2:rgba(10,18,36,.88);
  --primary:#2AF5C6;
  --blue:#2F80FF;
  --accent:#FF7A1A;
  --text:#EAF2FF;
  --muted:#8FA3BF;
  --line:rgba(42,245,198,.16);
  --line-soft:rgba(143,163,191,.14);
  --line-strong:rgba(42,245,198,.45);
  --radius-lg:22px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-hover:0 28px 72px rgba(0,0,0,.62);
  --glow:0 12px 32px rgba(42,245,198,.22);
  --font:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'Bahnschrift','DIN Alternate','Roboto Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,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(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(47,128,255,.18), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(42,245,198,.12), transparent 60%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(32px,4.2vw,50px)}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:clamp(18px,1.6vw,21px)}
::selection{background:rgba(42,245,198,.32);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#04121a;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,9,20,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1240px;margin:0 auto;padding:0 24px;
  min-height:72px;display:flex;align-items:center;gap:22px;
}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  color:#04121a;font-weight:800;font-size:15px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(42,245,198,.3);
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-chips{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 17px;border-radius:999px;
  font-size:15px;color:var(--muted);
  border:1px solid transparent;
  transition:color .25s,background .25s,border-color .25s,transform .25s,box-shadow .25s;
  white-space:nowrap;
}
.nav-chip i{font-size:13px;opacity:.9}
.nav-chip:hover{color:var(--text);background:rgba(42,245,198,.08);border-color:var(--line)}
.nav-chip.is-active{
  color:#04121a;font-weight:600;
  background:linear-gradient(135deg,var(--primary),var(--blue));
  box-shadow:0 8px 26px rgba(42,245,198,.32);
}
.header-cta{flex:0 0 auto;display:flex;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-weight:600;letter-spacing:.2px;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s,filter .22s;
}
.btn-sm{padding:10px 18px;font-size:14.5px}
.btn-lg{padding:15px 28px;font-size:16px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--blue));
  color:#04121a;
  box-shadow:0 14px 34px rgba(42,245,198,.26);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 20px 44px rgba(42,245,198,.36)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(255,255,255,.02);
  color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(42,245,198,.1);transform:translateY(-2px);box-shadow:var(--glow)}
.btn-ghost:active{transform:translateY(1px)}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(10,18,36,.72),rgba(5,9,20,.2));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:760px;margin-bottom:42px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--primary),transparent);border-radius:2px}
.section-head p{color:var(--muted);font-size:16px;margin:14px 0 0}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;letter-spacing:.04em;
  color:var(--primary);background:rgba(42,245,198,.1);
  border:1px solid var(--line);
}
.tag-accent{color:var(--accent);background:rgba(255,122,26,.1);border-color:rgba(255,122,26,.28)}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:74px 0 78px;
  background-image:linear-gradient(100deg,rgba(5,9,20,.96) 8%,rgba(5,9,20,.82) 46%,rgba(5,9,20,.92) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(42,245,198,.55),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--primary)}
.crumb i{font-size:10px;opacity:.7}
.hero h1{margin-bottom:18px}
.hero h1 span{
  background:linear-gradient(120deg,var(--primary),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#C6D6EC;font-size:17px;max-width:600px}
.hero-points{margin:26px 0 30px;display:grid;gap:11px}
.hero-points li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;color:#CFDDF0}
.hero-points i{color:var(--primary);font-size:14px;margin-top:5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kpi{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:14px 16px;
  backdrop-filter:blur(10px);
}
.kpi strong{display:block;font-family:var(--mono);font-size:22px;color:var(--primary);letter-spacing:.5px}
.kpi small{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.hero-media .media-chip{
  position:absolute;left:18px;top:18px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:rgba(5,9,20,.72);border:1px solid var(--line-strong);
  backdrop-filter:blur(8px);color:var(--primary);
}
.hero-media .media-chip i{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary);display:inline-block}
.hero-media .media-note{
  position:absolute;right:18px;bottom:18px;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(5,9,20,.78);border:1px solid var(--line);
  backdrop-filter:blur(10px);max-width:230px;
}
.hero-media .media-note strong{display:block;font-size:14px;margin-bottom:4px}
.hero-media .media-note span{font-size:12.5px;color:var(--muted)}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-chips a{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:14px;color:#CBD9EC;
  background:rgba(255,255,255,.03);border:1px solid var(--line-soft);
  transition:all .22s;
}
.hero-chips a:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(42,245,198,.08);transform:translateY(-2px)}

/* ============ 回放形式对比 ============ */
.compare-table{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--panel);overflow:hidden;box-shadow:var(--shadow);
}
.compare-row{
  display:grid;
  grid-template-columns:1.25fr 1fr 1.05fr .9fr .62fr;
  gap:18px;align-items:center;
  padding:22px 26px;
  border-top:1px solid rgba(143,163,191,.12);
  transition:background .25s,box-shadow .25s;
}
.compare-row:first-child{border-top:0;background:rgba(42,245,198,.05)}
.compare-row:not(:first-child):hover{background:rgba(42,245,198,.06);box-shadow:inset 3px 0 0 var(--primary)}
.compare-head{font-size:12.5px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.compare-name h3{font-size:17.5px;margin-bottom:5px}
.compare-name p{font-size:13.5px;color:var(--muted);margin:0}
.compare-meta{font-size:14.5px;color:#D5E2F3}
.compare-meta strong{font-family:var(--mono);color:var(--primary);font-weight:600}
.compare-link{justify-self:end}
.compare-link .btn{padding:9px 16px;font-size:13.5px}
.compare-note{margin-top:22px;display:flex;gap:12px;align-items:flex-start;color:var(--muted);font-size:14px}
.compare-note i{color:var(--accent);margin-top:4px}

/* ============ 上线节奏时间线 ============ */
.timeline-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.timeline-side{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.timeline-side img{border-radius:var(--radius-sm);border:1px solid var(--line-soft);margin-bottom:18px;aspect-ratio:16/10;object-fit:cover}
.timeline-side h3{margin-bottom:10px}
.timeline-side p{color:var(--muted);font-size:14.5px;margin:0}
.timeline{position:relative;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(47,128,255,.22));
}
.timeline-item{position:relative;padding-bottom:30px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:16px;height:16px;border-radius:50%;
  background:#061024;border:2px solid var(--primary);box-shadow:0 0 18px rgba(42,245,198,.55);
}
.timeline-item .tl-time{font-family:var(--mono);font-size:13.5px;color:var(--accent);letter-spacing:.06em;display:block;margin-bottom:5px}
.timeline-item h3{font-size:18px;margin-bottom:7px}
.timeline-item p{color:var(--muted);font-size:14.8px;margin:0}

/* ============ 回放精选 ============ */
.clip-grid{margin-left:-12px;margin-right:-12px}
.clip-grid > .cell{padding-left:12px;padding-right:12px;padding-bottom:24px}
.clip-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.clip-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.clip-thumb{position:relative;overflow:hidden}
.clip-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s}
.clip-card:hover .clip-thumb img{transform:scale(1.04)}
.clip-duration{
  position:absolute;right:12px;bottom:12px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;
  padding:4px 10px;border-radius:8px;
  background:rgba(5,9,20,.8);border:1px solid var(--line);color:#DCE8F8;
}
.clip-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.clip-body h3{font-size:18.5px}
.clip-body p{color:var(--muted);font-size:14.6px;margin:0}
.clip-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px}
.clip-foot .meta{font-size:13px;color:var(--muted)}
.clip-foot a{font-size:14px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:7px;transition:gap .22s}
.clip-foot a:hover{gap:11px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .25s,box-shadow .25s,background .25s;
}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:var(--glow);background:rgba(14,25,45,.86)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;
  color:var(--text);font-size:17px;font-weight:600;text-align:left;
}
.faq-question i{color:var(--primary);font-size:14px;transition:transform .3s}
.faq-item.is-open .faq-question i{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer p{padding:0 24px 22px;margin:0;color:var(--muted);font-size:15px;line-height:1.85}

/* ============ CTA / 订阅 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background-image:linear-gradient(110deg,rgba(6,14,30,.94) 10%,rgba(9,20,42,.86) 60%,rgba(5,9,20,.94) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:44px;box-shadow:var(--shadow);
}
.cta-grid{display:grid;grid-template-columns:1fr 420px;gap:44px;align-items:center}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:#BECFE6;font-size:15.5px;margin:0;max-width:520px}
.cta-points{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{
  font-size:13px;color:#CBD9EC;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-soft);
}
.subscribe-card{
  background:rgba(9,17,34,.86);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
  backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.subscribe-card h3{font-size:19px;margin-bottom:8px}
.subscribe-card > p{font-size:14px;color:var(--muted);margin-bottom:18px}
.form-row{display:flex;gap:10px}
.input{
  width:100%;padding:13px 16px;border-radius:12px;
  background:rgba(5,9,20,.85);border:1px solid var(--line-soft);
  color:var(--text);font-size:15px;font-family:var(--font);
  transition:border-color .22s,box-shadow .22s;
}
.input::placeholder{color:rgba(143,163,191,.75)}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(42,245,198,.16)}
.input.is-error{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,26,.16)}
.check-line{display:flex;align-items:flex-start;gap:9px;margin-top:14px;font-size:13px;color:var(--muted)}
.check-line input{margin-top:5px;accent-color:var(--primary)}
.form-msg{margin:12px 0 0;font-size:13.5px;min-height:20px}
.form-msg.is-error{color:#FF9A54}
.form-msg.is-ok{color:var(--primary)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,14,28,.9),rgba(5,9,20,1));
  padding:70px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:42px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14.5px;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  color:var(--muted);background:rgba(255,255,255,.03);border:1px solid var(--line-soft);
  transition:all .24s;
}
.footer-social a:hover{color:#04121a;background:linear-gradient(135deg,var(--primary),var(--blue));border-color:transparent;transform:translateY(-2px)}
.footer-col h4{font-size:15.5px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{color:var(--muted);font-size:14.5px;transition:color .22s,padding-left .22s}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-sub{display:flex;gap:8px;margin-top:12px}
.footer-sub .input{padding:10px 13px;font-size:14px}
.footer-sub .btn{flex:0 0 auto}
.footer-bottom{
  margin-top:52px;padding-top:20px;
  border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:76px 0}
  .hero{padding:58px 0 62px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media img{aspect-ratio:16/9}
  .timeline-wrap{grid-template-columns:1fr;gap:36px}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .compare-row{grid-template-columns:1.1fr 1fr 1fr;row-gap:12px}
  .compare-head{display:none}
  .compare-link{grid-column:1 / -1;justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .header-inner{height:auto;flex-wrap:wrap;padding:12px 20px;gap:12px}
  .nav-chips{
    order:3;width:100%;margin-left:0;overflow-x:auto;padding-bottom:4px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .header-cta{margin-left:auto}
  .container{padding:0 20px}
  .section{padding:62px 0}
  .hero{padding:48px 0 54px}
  .kpi-row{grid-template-columns:repeat(2,1fr)}
  .compare-row{grid-template-columns:1fr;padding:20px;gap:8px}
  .compare-meta::before{content:attr(data-label) "：";color:var(--muted);font-size:13px}
  .compare-link{justify-self:stretch}
  .compare-link .btn{width:100%}
  .cta-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .logo-text{font-size:17px}
  .logo-mark{width:36px;height:36px;border-radius:11px}
  .btn{width:100%}
  .header-cta .btn{width:auto}
  .hero-actions .btn{width:100%}
  .hero-chips a{font-size:13.5px;padding:8px 13px}
  .kpi-row{grid-template-columns:1fr 1fr;gap:10px}
  .kpi strong{font-size:19px}
  .faq-question{padding:17px 18px;font-size:15.5px}
  .faq-answer p{padding:0 18px 20px}
  .form-row{flex-direction:column}
  .footer-sub{flex-direction:column}
  .hero-media .media-note{position:static;max-width:none;margin-top:14px}
}