/* roulang page: index */
:root{
  --bg-deep:#05080F;
  --bg-base:#0A101C;
  --bg-raise:#101A2B;
  --glass-fill:rgba(18,28,45,.55);
  --line:rgba(120,190,205,.14);
  --primary:#34E0D2;
  --primary-deep:#14A8A0;
  --accent:#7A5CFF;
  --heat:#FFB13B;
  --live:#FF4D6D;
  --text-1:#EAF2F8;
  --text-2:#A9BCCD;
  --text-3:#6C8199;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(52,224,210,.30),0 0 26px rgba(52,224,210,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--glass-fill);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{background:rgba(5,8,15,.88);box-shadow:0 10px 30px rgba(0,0,0,.5)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.01em;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#04121A;font-weight:800;font-size:15px;
  box-shadow:0 0 18px rgba(52,224,210,.35);
}
.nav-list{display:none;align-items:center;gap:32px}
.nav-link{position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:500;color:var(--text-2);transition:color var(--t)}
.nav-link::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--primary);transform:translateX(-50%);transition:width var(--t);border-radius:2px}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:16px}
.nav-link.active{color:var(--text-1)}
.nav-link.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-cta{display:none}
.burger{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--line);background:rgba(16,26,43,.6);color:var(--text-1);
  transition:border-color var(--t),color var(--t);
}
.burger:hover{border-color:rgba(52,224,210,.4);color:var(--primary)}
@media (min-width:900px){
  .nav-list{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(5,8,15,.65);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t)}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:rgba(10,16,28,.94);-webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);padding:24px 22px 22px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform 260ms var(--ease);
}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 14px;border-radius:12px;font-size:16px;color:var(--text-2);border:1px solid transparent;transition:all var(--t)}
.drawer-link:hover,.drawer-link.active{color:var(--text-1);background:rgba(52,224,210,.07);border-color:rgba(52,224,210,.25)}
.drawer-foot{margin-top:auto;padding-top:18px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;height:46px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn-primary{
  background:linear-gradient(100deg,var(--primary),var(--primary-deep));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(52,224,210,.25),0 8px 24px rgba(20,168,160,.30);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:var(--shadow-glow);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:rgba(52,224,210,.45);color:var(--primary)}
.btn-ghost:hover{background:rgba(52,224,210,.08);transform:translateY(-2px)}
.btn-sm{height:40px;min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;line-height:1.6;white-space:nowrap}
.badge-cat{background:rgba(122,92,255,.14);color:#B9ACFF;border:1px solid rgba(122,92,255,.28)}
.badge-live{background:rgba(255,77,109,.14);color:#FF93A7;border:1px solid rgba(255,77,109,.36)}
.badge-soon{background:rgba(255,177,59,.14);color:var(--heat);border:1px solid rgba(255,177,59,.32)}
.badge-replay{background:rgba(120,190,205,.10);color:var(--text-2);border:1px solid var(--line)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--live);animation:breathe 1.6s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

/* ---------- glass / cards ---------- */
.glass{
  background:var(--glass-fill);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass-fill);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.card:hover{transform:translateY(-4px);border-color:rgba(52,224,210,.35);box-shadow:var(--shadow-glow)}
.card-media{position:relative;aspect-ratio:16/9;background:var(--bg-raise);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:600;color:var(--text-1);line-height:1.5;transition:color var(--t)}
.card:hover .card-title{color:var(--primary)}
.card-desc{font-size:14.5px;color:var(--text-2);line-height:1.75}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto;flex-wrap:wrap}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-alt{background:var(--bg-raise);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:16px;margin-bottom:28px}
.sec-title{position:relative;padding-left:16px;font-size:24px;font-weight:700}
.sec-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:linear-gradient(var(--primary),var(--primary-deep))}
.sec-sub{margin-top:8px;font-size:14.5px;color:var(--text-3);padding-left:16px}
.sec-more{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;transition:opacity var(--t)}
.sec-more:hover{opacity:.75}

/* ---------- hero ---------- */
.hero{position:relative;padding:36px 0 56px;overflow:hidden}
@media (min-width:768px){.hero{padding:52px 0 88px}}
.hero::before{
  content:"";position:absolute;inset:-20% -10% 0 -10%;pointer-events:none;
  background:
    radial-gradient(620px 420px at 88% 4%,rgba(52,224,210,.09),transparent 70%),
    radial-gradient(540px 440px at 4% 96%,rgba(122,92,255,.07),transparent 72%);
}
.hero-grid{position:relative;display:grid;gap:24px;align-items:start;grid-template-columns:1fr}
.hero-intro{grid-area:intro}
.hero-clock{grid-area:clock}
.hero-cover{grid-area:cover}
.hero-actions{grid-area:actions;display:flex;flex-wrap:wrap;gap:12px}
.hero-points{grid-area:points}
.hero-sub{grid-area:subscribe}
@media (min-width:1024px){
  .hero-grid{
    grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
    grid-template-areas:
      "intro  clock"
      "cover  points"
      "actions subscribe";
    column-gap:32px;row-gap:22px;
  }
}
.hero-eyebrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.hero h1{font-size:30px;font-weight:800;line-height:1.25;letter-spacing:.01em}
@media (min-width:768px){.hero h1{font-size:38px}}
@media (min-width:1280px){.hero h1{font-size:42px}}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-subline{margin-top:14px;font-size:15.5px;color:var(--text-2);max-width:60ch}
.hero-cover{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--bg-raise);aspect-ratio:16/10;box-shadow:var(--shadow-card)}
.hero-cover img{width:100%;height:100%;object-fit:cover}
.hero-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(5,8,15,.86) 6%,rgba(5,8,15,.15) 52%,rgba(5,8,15,.35) 100%)}
.cover-tag{position:absolute;top:16px;left:16px;z-index:2}
.cover-duration{position:absolute;right:16px;bottom:16px;z-index:2;background:rgba(5,8,15,.72);border:1px solid var(--line);color:var(--text-1);font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);font-variant-numeric:tabular-nums}
.cover-caption{position:absolute;left:20px;right:20px;bottom:20px;z-index:2}
.cover-caption strong{display:block;font-size:16px;color:var(--text-1);font-weight:600}
.cover-caption span{font-size:13.5px;color:var(--text-3)}

/* ---------- countdown ---------- */
.clock-card{padding:22px}
.clock-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.clock-head h2{font-size:16px;font-weight:600;color:var(--text-1)}
.clock-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.clock-cell{background:rgba(8,14,24,.66);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 4px;text-align:center}
.clock-num{font-size:26px;font-weight:700;line-height:1.1;color:var(--heat);font-variant-numeric:tabular-nums;transition:opacity 240ms var(--ease),transform 240ms var(--ease)}
@media (min-width:768px){.clock-num{font-size:30px}}
.clock-num.tick{opacity:.35;transform:translateY(6px)}
.clock-label{margin-top:4px;font-size:12px;color:var(--text-3)}
.clock-foot{margin-top:14px;font-size:13.5px;color:var(--text-3);padding-top:14px;border-top:1px solid var(--line)}
.clock-foot b{color:var(--text-2);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- points ---------- */
.points-card{padding:22px}
.points-card h2{font-size:16px;font-weight:600;margin-bottom:16px}
.point-list{position:relative;padding-left:22px}
.point-list::before{content:"";position:absolute;left:5px;top:10px;bottom:10px;width:1px;background:linear-gradient(rgba(52,224,210,.55),rgba(52,224,210,.06))}
.point-item{position:relative;padding:10px 12px;border-radius:var(--radius-sm);transition:transform var(--t),background var(--t)}
.point-item::before{content:"";position:absolute;left:-22px;top:20px;width:9px;height:9px;border-radius:50%;background:rgba(120,190,205,.35);border:1px solid var(--line)}
.point-item.is-now::before{background:var(--primary);box-shadow:0 0 10px rgba(52,224,210,.85);border-color:var(--primary)}
.point-item:hover{transform:translateX(4px);background:rgba(52,224,210,.06)}
.point-time{font-size:13px;color:var(--heat);font-weight:600;font-variant-numeric:tabular-nums}
.point-title{font-size:15.5px;font-weight:600;color:var(--text-1);margin-top:2px}
.point-desc{font-size:14px;color:var(--text-3)}
@media (max-width:767px){
  .point-list::before{display:none}
  .point-list{padding-left:0}
  .point-item{padding-left:0}
  .point-item::before{display:none}
}

/* ---------- subscribe ---------- */
.sub-card{padding:22px}
.sub-card h2{font-size:16px;font-weight:600;margin-bottom:8px}
.sub-card p{font-size:14px;color:var(--text-3);margin-bottom:16px}
.sub-form{display:flex;flex-direction:column;gap:12px}
@media (min-width:768px){.sub-form{flex-direction:row;align-items:center}}
.field{
  flex:1;min-height:46px;padding:0 16px;border-radius:var(--radius-sm);
  background:rgba(5,8,15,.6);border:1px solid var(--line);color:var(--text-1);
  font-size:15px;transition:border-color var(--t),box-shadow var(--t);
}
.field::placeholder{color:var(--text-3)}
.field:focus{outline:none;border-color:rgba(52,224,210,.55);box-shadow:0 0 0 3px rgba(52,224,210,.12)}
.field.error{border-color:var(--live);box-shadow:0 0 0 3px rgba(255,77,109,.14)}
.form-msg{margin-top:10px;font-size:13.5px;color:var(--text-3);min-height:20px}
.form-msg.ok{color:var(--primary)}
.form-msg.err{color:#FF93A7}

/* ---------- grids ---------- */
.grid-3{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* ---------- replay strip ---------- */
.replay-track{display:flex;gap:18px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.replay-track::-webkit-scrollbar{height:6px}
.replay-track::-webkit-scrollbar-thumb{background:rgba(120,190,205,.25);border-radius:3px}
.replay-card{flex:0 0 268px;scroll-snap-align:start;position:relative;text-align:left;display:block}
@media (min-width:768px){.replay-card{flex:0 0 300px}}
.play-chip{
  position:absolute;top:12px;right:12px;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;color:var(--primary);
  background:rgba(5,8,15,.6);border:1px solid rgba(52,224,210,.5);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:background var(--t),transform var(--t);
}
.replay-card:hover .play-chip{background:rgba(52,224,210,.18);transform:scale(1.06)}

/* ---------- category pills ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:14px}
.pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 20px;border-radius:var(--radius-pill);
  background:var(--glass-fill);border:1px solid var(--line);color:var(--text-2);
  font-size:15px;font-weight:600;transition:all var(--t);
}
.pill i{color:var(--accent);font-size:14px;transition:transform var(--t)}
.pill:hover{color:var(--text-1);border-color:rgba(52,224,210,.4);box-shadow:var(--shadow-glow);transform:translateY(-3px)}
.pill:hover i{transform:translateX(3px);color:var(--primary)}
.pill.wide{padding-right:26px}

/* ---------- stats strip ---------- */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px;padding:24px;border-radius:20px}
@media (min-width:900px){.stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-num{font-size:24px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3}
@media (min-width:768px){.stat-num{font-size:28px}}
.stat-label{font-size:14px;color:var(--text-3)}
.stat-item{padding-left:16px;border-left:1px solid var(--line)}

/* ---------- faq ---------- */
.faq-list{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--glass-fill);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:transparent;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--text-1);transition:color var(--t),background var(--t)}
.faq-q:hover{color:var(--primary);background:rgba(52,224,210,.04)}
.faq-icon{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--primary);transition:transform var(--t),border-color var(--t)}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:rgba(52,224,210,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease)}
.faq-a-inner{padding:0 22px 22px;font-size:15.5px;line-height:1.8;color:var(--text-2)}
.faq-a-inner p + p{margin-top:.7em}

/* ---------- cta band ---------- */
.cta-band{
  display:flex;flex-direction:column;gap:20px;padding:30px;
  border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(100deg,rgba(52,224,210,.10),rgba(122,92,255,.08));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
@media (min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 38px}}
.cta-band h2{font-size:22px;font-weight:700}
.cta-band p{margin-top:8px;font-size:14.5px;color:var(--text-2)}
.cta-actions{display:flex;flex-direction:column;gap:12px}
@media (min-width:640px){.cta-actions{flex-direction:row}}
@media (max-width:899px){.cta-actions .btn{width:100%}}

/* ---------- empty state ---------- */
.empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:56px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius-card);background:rgba(16,26,43,.5)}
.empty i{font-size:30px;color:var(--text-3)}
.empty p{font-size:15px;color:var(--text-3)}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--bg-raise);border-top:1px solid var(--line);margin-top:24px}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(52,224,210,.6),transparent)}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;padding:56px 0 32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-title{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-text{font-size:14px;color:var(--text-3);line-height:1.8}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:var(--text-2);transition:color var(--t),transform var(--t);width:fit-content}
.footer-links a:hover{color:var(--primary);transform:translateX(3px)}
.footer-bottom{display:flex;flex-direction:column;gap:10px;padding:20px 0 28px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3)}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg-deep:#05080F;
  --bg-base:#0A101C;
  --bg-raise:#101A2B;
  --glass-fill:rgba(18,28,45,.55);
  --line:rgba(120,190,205,.14);
  --line-strong:rgba(52,224,210,.35);
  --primary:#34E0D2;
  --primary-deep:#14A8A0;
  --accent:#7A5CFF;
  --heat:#FFB13B;
  --live:#FF4D6D;
  --text-1:#EAF2F8;
  --text-2:#A9BCCD;
  --text-3:#6C8199;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(52,224,210,.30), 0 0 26px rgba(52,224,210,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(720px 480px at 92% -6%, rgba(52,224,210,.08), transparent 70%),
    radial-gradient(660px 520px at 4% 42%, rgba(122,92,255,.06), transparent 72%);
  background-attachment:fixed;
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{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 32px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;cursor:pointer;
  border:1px solid transparent;transition:all 220ms var(--ease);white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  color:#04211F;box-shadow:0 0 0 1px rgba(52,224,210,.35),0 0 22px rgba(52,224,210,.22);
}
.btn-primary:hover{color:#04211F;filter:brightness(1.08);box-shadow:0 0 0 1px rgba(52,224,210,.5),0 0 30px rgba(52,224,210,.34);}
.btn-primary:active{filter:brightness(.94);}
.btn-ghost{
  background:transparent;border-color:rgba(52,224,210,.45);color:var(--primary);
}
.btn-ghost:hover{background:rgba(52,224,210,.08);color:var(--primary);border-color:var(--primary);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background 260ms var(--ease),box-shadow 260ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.85);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:.4px;}
.logo:hover{color:var(--text-1);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04211F;font-weight:800;font-size:16px;
  box-shadow:0 0 18px rgba(52,224,210,.28);
}
.nav-list{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;padding:24px 0;
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:16px;width:0;height:2px;
  background:var(--primary);border-radius:2px;transform:translateX(-50%);
  transition:width 220ms var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:14px;}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:16px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(52,224,210,.08);border:1px solid var(--line);
  color:var(--text-1);font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,8,15,.7);z-index:90;
  opacity:0;pointer-events:none;transition:opacity 240ms var(--ease);
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:95;
  background:rgba(10,16,28,.94);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);
  padding:20px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform 280ms var(--ease);
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;background:transparent;
  border:1px solid var(--line);color:var(--text-1);font-size:17px;cursor:pointer;
}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;border-bottom:1px solid var(--line);
  color:var(--text-2);font-size:16px;
}
.drawer-link.active,.drawer-link:hover{color:var(--primary);}
.drawer-foot{margin-top:auto;padding-top:20px;}

/* ===== 面包屑 ===== */
.breadcrumb{
  padding:22px 0 0;font-size:13.5px;color:var(--text-3);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(108,129,153,.6);}
.breadcrumb .current{color:var(--text-2);}

/* ===== 文章布局 ===== */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;
  padding:28px 0 88px;
}
@media (min-width:1024px){
  .article-wrap{grid-template-columns:minmax(0,760px) 300px;gap:56px;justify-content:center;}
}

.article-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:30px;}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:rgba(122,92,255,.12);color:#B9A8FF;border:1px solid rgba(122,92,255,.26);
}
.badge-live{background:rgba(255,77,109,.12);color:#FF8EA3;border-color:rgba(255,77,109,.3);}
.badge-heat{background:rgba(255,177,59,.12);color:#FFCF87;border-color:rgba(255,177,59,.3);}
.badge-live .dot{
  width:7px;height:7px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 0 rgba(255,77,109,.55);animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,109,.55);}
  70%{box-shadow:0 0 0 9px rgba(255,77,109,0);}
  100%{box-shadow:0 0 0 0 rgba(255,77,109,0);}
}
.article-head h1{
  font-size:clamp(26px,4vw,40px);font-weight:800;line-height:1.28;
  letter-spacing:.2px;margin-bottom:18px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:13.5px;color:var(--text-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--primary);font-size:12px;opacity:.85;}
.meta-num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--text-2);}

/* ===== 正文排版 ===== */
.article-body{
  font-size:17px;line-height:1.9;color:var(--text-2);
}
.article-body > * + *{margin-top:1.1em;}
.article-body p{margin:0 0 1.1em;color:var(--text-2);}
.article-body h2{
  position:relative;margin:2em 0 .7em;padding-left:16px;
  font-size:clamp(21px,2.4vw,26px);font-weight:700;color:var(--text-1);line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 14px rgba(52,224,210,.35);
}
.article-body h3{margin:1.6em 0 .5em;font-size:19px;font-weight:600;color:var(--text-1);}
.article-body strong{color:var(--text-1);font-weight:700;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(52,224,210,.35);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 10px rgba(52,224,210,.4);
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:.55em;counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.15em;
  width:20px;height:20px;border-radius:6px;font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(122,92,255,.14);color:#B9A8FF;
}
.article-body img{
  border-radius:14px;margin:1.6em auto;
  box-shadow:var(--shadow-card);
}
.article-body figure{margin:1.6em 0;}
.article-body figure img{margin-bottom:10px;}
.article-body figcaption{
  text-align:center;font-size:14px;color:var(--text-3);line-height:1.6;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px;
}
.article-body th,.article-body td{
  padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);
}
.article-body th{color:var(--text-1);font-weight:600;background:rgba(52,224,210,.04);}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--glass-fill);padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;font-size:22px;
  background:rgba(52,224,210,.08);color:var(--primary);border:1px solid var(--line);
}
.empty-state h3{font-size:20px;margin-bottom:8px;}
.empty-state p{font-size:15px;color:var(--text-3);margin-bottom:22px;}

/* 文末 */
.article-foot{
  margin-top:42px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--radius-pill);font-size:13px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(16,26,43,.6);
  transition:all 220ms var(--ease);
}
.tag:hover{border-color:var(--line-strong);color:var(--primary);}

/* ===== 右侧栏 ===== */
.side-col{display:flex;flex-direction:column;gap:22px;}
@media (min-width:1024px){
  .side-col{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 120px);overflow:auto;}
  .side-col::-webkit-scrollbar{width:5px;}
  .side-col::-webkit-scrollbar-thumb{background:rgba(52,224,210,.25);border-radius:4px;}
}
.side-card{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:20px;box-shadow:var(--shadow-card);
}
.side-title{
  display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;
  color:var(--text-1);margin-bottom:14px;
}
.side-title::before{
  content:"";width:3px;height:15px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(52,224,210,.4);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:280px;overflow:auto;}
.toc-list::-webkit-scrollbar{width:5px;}
.toc-list::-webkit-scrollbar-thumb{background:rgba(52,224,210,.25);border-radius:4px;}
.toc-link{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;transition:all 200ms var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-link:hover{background:rgba(52,224,210,.07);color:var(--primary);border-left-color:var(--primary);}
.toc-link.is-sub{padding-left:22px;font-size:13.5px;color:var(--text-3);}
.toc-empty{font-size:14px;color:var(--text-3);}

.mini-list{display:flex;flex-direction:column;gap:14px;}
.mini-item{display:flex;gap:12px;align-items:flex-start;}
.mini-item img{
  width:72px;height:48px;flex:0 0 72px;object-fit:cover;border-radius:10px;
  background:var(--bg-raise);
}
.mini-item .mini-title{
  font-size:14px;line-height:1.55;color:var(--text-1);font-weight:500;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-item .mini-time{font-size:12.5px;color:var(--text-3);margin-top:5px;font-variant-numeric:tabular-nums;}
.mini-item:hover .mini-title{color:var(--primary);}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}

/* ===== 相关推荐 ===== */
.related{margin-top:56px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{
  position:relative;padding-left:16px;font-size:clamp(20px,2.4vw,26px);font-weight:700;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 14px rgba(52,224,210,.35);
}
.section-head .more-link{font-size:14px;color:var(--primary);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);transition:all 220ms var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow),var(--shadow-card);}
.rel-card .thumb{position:relative;aspect-ratio:16/9;background:var(--bg-raise);overflow:hidden;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.rel-card:hover .thumb img{transform:scale(1.05);}
.rel-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;}
.rel-card .body h3{
  font-size:16px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .body h3{color:var(--primary);}
.rel-card .body p{
  font-size:14px;color:var(--text-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .body .row{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);margin-top:2px;
}
.thumb-badge{
  position:absolute;left:10px;top:10px;height:24px;padding:0 10px;
  display:inline-flex;align-items:center;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;color:#B9A8FF;
  background:rgba(11,17,29,.78);border:1px solid rgba(122,92,255,.35);
  backdrop-filter:blur(8px);
}

/* ===== CTA 带 ===== */
.cta-band{
  margin:0 0 88px;padding:28px 30px;border-radius:var(--radius-card);
  border:1px solid var(--line);background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow-card);
}
.cta-band h3{font-size:20px;margin-bottom:6px;}
.cta-band p{font-size:14.5px;color:var(--text-3);}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;background:var(--bg-raise);border-top:1px solid var(--line);
  margin-top:20px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  opacity:.6;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding:56px 0 40px;
}
.footer-title{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:16px;}
.footer-text{font-size:14px;color:var(--text-3);line-height:1.8;max-width:340px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-3);}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:20px 0 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:860px){
  .nav-list{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .btn{display:none;}
  .header-inner{justify-content:space-between;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .article-wrap{padding:18px 0 56px;gap:36px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left;margin-bottom:56px;}
  .cta-band .btn{width:100%;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .article-foot .btn{width:100%;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;flex:0 0 30px;font-size:15px;}
  .article-head h1{font-size:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .rel-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-deep:#05080F;
  --bg-base:#0A101C;
  --bg-raise:#101A2B;
  --glass-fill:rgba(18,28,45,0.55);
  --line:rgba(120,190,205,0.14);
  --line-strong:rgba(52,224,210,0.35);
  --primary:#34E0D2;
  --primary-deep:#14A8A0;
  --accent:#7A5CFF;
  --heat:#FFB13B;
  --live:#FF4D6D;
  --text-1:#EAF2F8;
  --text-2:#A9BCCD;
  --text-3:#6C8199;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(52,224,210,.30),0 0 26px rgba(52,224,210,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
input{font:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.35;font-weight:700;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.page-glow{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 88% 4%, rgba(52,224,210,.08), transparent 70%),
    radial-gradient(720px 480px at 2% 94%, rgba(122,92,255,.06), transparent 72%);
}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(18,28,45,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{background:rgba(5,8,15,.85);box-shadow:0 6px 24px rgba(0,0,0,.45);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text-1);letter-spacing:.02em;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#04211F;font-weight:900;font-size:16px;
  box-shadow:0 0 18px rgba(52,224,210,.35);
}
.nav-desktop{display:none;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;display:inline-block;padding:22px 2px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color 220ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform 220ms var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;border-radius:12px;
  background:rgba(18,28,45,.6);border:1px solid var(--line);
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text-1);transition:transform 220ms var(--ease),opacity 220ms var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:960px){
  .nav-desktop{display:block;}
  .nav-toggle{display:none;}
}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(5,8,15,.72);
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.nav-drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(84vw,340px);
  padding:88px 24px 28px;
  display:flex;flex-direction:column;gap:4px;
  background:rgba(10,16,28,.92);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 260ms var(--ease);
}
.nav-drawer.open .drawer-panel{transform:translateX(0);}
.drawer-link{
  display:flex;align-items:center;min-height:56px;padding:0 14px;border-radius:12px;
  font-size:16px;color:var(--text-2);border:1px solid transparent;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.drawer-link:hover{color:var(--text-1);background:rgba(52,224,210,.08);border-color:var(--line);}
.drawer-link.active{color:var(--primary);background:rgba(52,224,210,.10);border-color:var(--line-strong);}
.drawer-cta{margin-top:18px;}
body.no-scroll{overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;color:var(--text-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease),filter 220ms var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04211F;
  box-shadow:0 0 0 1px rgba(52,224,210,.30),0 0 22px rgba(52,224,210,.22);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(52,224,210,.45),0 0 30px rgba(52,224,210,.34);}
.btn-primary:active{background:linear-gradient(135deg,var(--primary-deep),var(--primary-deep));}
.btn-ghost{background:transparent;border-color:rgba(52,224,210,.45);color:var(--primary);}
.btn-ghost:hover{background:rgba(52,224,210,.08);box-shadow:0 0 18px rgba(52,224,210,.18);}
.btn-ghost:active{background:rgba(52,224,210,.14);}

/* ---------- 面包屑 ---------- */
.crumb{padding:26px 0 4px;position:relative;z-index:1;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.crumb a{color:var(--text-3);transition:color 220ms var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb li[aria-current]{color:var(--text-2);}
.crumb .sep{color:rgba(108,129,153,.55);}

/* ---------- 页面首屏 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:44px 0 56px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,8,15,.70) 0%,rgba(10,16,28,.93) 72%,var(--bg-base) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.page-hero-inner{position:relative;z-index:2;display:grid;gap:30px;}
@media (min-width:1024px){
  .page-hero-inner{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:end;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(122,92,255,.12);border:1px solid rgba(122,92,255,.28);
  color:#B9A9FF;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.page-hero h1{
  font-size:clamp(30px,5vw,44px);font-weight:800;line-height:1.25;
  margin:18px 0 0;letter-spacing:-.01em;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,var(--primary),#8EF3E8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-sub{margin-top:16px;font-size:16.5px;color:var(--text-2);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:8px;}
.metric{
  padding:16px 18px;border-radius:var(--radius-card);
  background:var(--glass-fill);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.metric .num{display:block;font-size:22px;font-weight:800;color:var(--primary);line-height:1.2;}
.metric .lbl{display:block;margin-top:4px;font-size:13px;color:var(--text-3);line-height:1.5;}

/* ---------- 通用板块 ---------- */
.section{position:relative;z-index:1;padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--bg-raise);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{
  position:relative;font-size:clamp(22px,3vw,28px);font-weight:700;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 14px rgba(52,224,210,.45);
}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--text-3);}
.kicker{display:block;font-size:13px;font-weight:600;letter-spacing:.10em;color:var(--primary);margin-bottom:10px;}

/* ---------- 卖点矩阵 ---------- */
.feature-grid{display:grid;gap:20px;grid-template-columns:repeat(1,minmax(0,1fr));}
@media (min-width:768px){.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.feature-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.feature-card{
  padding:24px 22px;border-radius:var(--radius-card);
  background:var(--glass-fill);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card),0 0 26px rgba(52,224,210,.12);}
.feature-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(52,224,210,.10);border:1px solid rgba(52,224,210,.24);
  color:var(--primary);font-size:18px;margin-bottom:16px;
}
.feature-card h3{font-size:18px;font-weight:600;}
.feature-card p{margin-top:10px;font-size:15px;color:var(--text-2);}

/* ---------- 场次卡片列表 ---------- */
.session-list{display:grid;gap:16px;}
.session-card{
  display:flex;gap:20px;padding:18px;border-radius:var(--radius-card);
  background:var(--glass-fill);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.session-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card),0 0 26px rgba(52,224,210,.12);}
.session-thumb{
  position:relative;flex:0 0 200px;height:120px;border-radius:14px;overflow:hidden;
  background:var(--bg-raise);
}
.session-thumb img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 320ms var(--ease);}
.session-thumb img.loaded{opacity:1;}
.session-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:rgba(122,92,255,.12);color:#B9A9FF;border:1px solid rgba(122,92,255,.24);
}
.badge-warn{background:rgba(255,177,59,.12);color:#FFC96B;border-color:rgba(255,177,59,.28);}
.badge-live{background:rgba(255,77,109,.12);color:#FF90A6;border-color:rgba(255,77,109,.28);}
.badge-replay{background:rgba(52,224,210,.10);color:var(--primary);border-color:rgba(52,224,210,.24);}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--live);
  animation:breathe 1.6s infinite;
}
@keyframes breathe{
  0%{box-shadow:0 0 0 0 rgba(255,77,109,.55);}
  70%{box-shadow:0 0 0 8px rgba(255,77,109,0);}
  100%{box-shadow:0 0 0 0 rgba(255,77,109,0);}
}
.session-time{font-size:13px;color:var(--text-3);}
.session-time .tnum{color:var(--heat);font-weight:700;}
.session-card h3{font-size:17.5px;font-weight:600;line-height:1.5;}
.session-card h3 a{transition:color 220ms var(--ease);}
.session-card h3 a:hover{color:var(--primary);}
.session-desc{
  font-size:14.5px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{
  font-size:12.5px;color:var(--text-3);padding:2px 10px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(16,26,43,.6);
}
.duration{
  position:absolute;right:10px;bottom:10px;
  padding:2px 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;color:#04211F;
  background:rgba(52,224,210,.9);backdrop-filter:blur(6px);
}
@media (max-width:767px){
  .session-card{flex-direction:column;gap:14px;}
  .session-thumb{flex:none;width:100%;height:auto;aspect-ratio:16/9;}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:479px){
  .hero-metrics{grid-template-columns:1fr;}
}

/* ---------- 流程导轨 ---------- */
.timeline{position:relative;display:grid;gap:22px;}
@media (min-width:1024px){.timeline{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}}
.step{position:relative;padding-left:30px;}
.step::before{
  content:"";position:absolute;left:7px;top:0;bottom:-22px;width:1px;
  background:linear-gradient(180deg,rgba(52,224,210,.55),rgba(52,224,210,.06));
}
.step:last-child::before{display:none;}
.step-node{
  position:absolute;left:0;top:6px;width:15px;height:15px;border-radius:50%;
  background:var(--bg-base);border:2px solid var(--primary);
  box-shadow:0 0 14px rgba(52,224,210,.5);
}
.step-num{display:block;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.08em;}
.step h3{margin-top:6px;font-size:18px;font-weight:600;}
.step p{margin-top:8px;font-size:15px;color:var(--text-3);}
@media (min-width:1024px){
  .step{padding-left:0;padding-top:34px;}
  .step::before{left:0;right:-24px;top:7px;bottom:auto;width:auto;height:1px;background:linear-gradient(90deg,rgba(52,224,210,.55),rgba(52,224,210,.06));}
  .step:last-child::before{display:block;background:linear-gradient(90deg,rgba(52,224,210,.55),rgba(52,224,210,0));}
  .step-node{left:0;top:0;}
  .step-num{margin-top:22px;}
}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;gap:20px;grid-template-columns:repeat(1,minmax(0,1fr));}
@media (min-width:768px){.scene-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.scene-card{
  padding:26px 24px;border-radius:var(--radius-card);
  background:rgba(16,26,43,.72);border:1px solid var(--line);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 26px rgba(52,224,210,.12);}
.scene-card h3{font-size:18px;font-weight:600;}
.scene-card p{margin-top:10px;font-size:15px;color:var(--text-2);}
.scene-list{margin-top:14px;display:grid;gap:8px;}
.scene-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--text-3);}
.scene-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--primary);opacity:.8;
}

/* ---------- FAQ ---------- */
.faq-list{
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;
  color:var(--text-1);font-size:17.5px;font-weight:600;line-height:1.5;
  transition:color 220ms var(--ease),background 220ms var(--ease);
}
.faq-q:hover{color:var(--primary);background:rgba(52,224,210,.04);}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;color:var(--primary);
  border:1px solid var(--line-strong);
  transition:transform 260ms var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);}
.faq-a-inner{padding:0 22px 22px;font-size:16px;color:var(--text-2);line-height:1.8;}
.faq-a-inner p + p{margin-top:12px;}

/* ---------- CTA ---------- */
.cta-band{position:relative;z-index:1;padding:0 0 72px;}
.cta-inner{
  display:grid;gap:22px;padding:30px 28px;border-radius:20px;
  background:linear-gradient(135deg,rgba(52,224,210,.10),rgba(122,92,255,.08));
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
@media (min-width:1024px){.cta-inner{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:40px;padding:34px 36px;}}
.cta-inner h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 220px;min-width:0;min-height:48px;padding:0 18px;
  border-radius:var(--radius-pill);
  background:rgba(5,8,15,.55);border:1px solid var(--line);
  color:var(--text-1);outline:none;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.subscribe-form input::placeholder{color:var(--text-3);}
.subscribe-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(52,224,210,.16);}
.subscribe-form input.error{border-color:var(--live);box-shadow:0 0 0 3px rgba(255,77,109,.16);}
.form-note{margin-top:12px;font-size:13px;color:var(--text-3);}
.form-msg{margin-top:12px;font-size:14px;display:none;}
.form-msg.ok{display:block;color:var(--primary);}
.form-msg.err{display:block;color:#FF90A6;}
@media (max-width:767px){.subscribe-form{flex-direction:column;}.subscribe-form .btn{width:100%;}}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  background:var(--bg-raise);
  border-top:1px solid var(--line);
  padding:64px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(52,224,210,.6),rgba(122,92,255,.4),transparent);
}
.footer-grid{display:grid;gap:34px;grid-template-columns:repeat(1,minmax(0,1fr));}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}}
.footer-title{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px;}
.footer-text{font-size:14px;color:var(--text-3);line-height:1.8;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color 220ms var(--ease),transform 220ms var(--ease);}
.footer-links a:hover{color:var(--primary);transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg-deep:#05080F;
  --bg-base:#0A101C;
  --bg-raise:#101A2B;
  --glass-fill:rgba(18,28,45,0.55);
  --line:rgba(120,190,205,0.14);
  --line-strong:rgba(52,224,210,0.35);
  --primary:#34E0D2;
  --primary-deep:#14A8A0;
  --accent:#7A5CFF;
  --heat:#FFB13B;
  --live:#FF4D6D;
  --text-1:#EAF2F8;
  --text-2:#A9BCCD;
  --text-3:#6C8199;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(52,224,210,.30),0 0 26px rgba(52,224,210,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-weight:700;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  background:var(--glass-fill);
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.88);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:.01em;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04211f;font-weight:800;font-size:16px;
  box-shadow:0 0 18px rgba(52,224,210,.35);
}
.nav-area{display:flex;align-items:center;gap:20px;}
.nav-list{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--primary);
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:16px;}
.nav-link.active{color:var(--text-1);font-weight:600;}
.nav-link.active::after{width:100%;}
.nav-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:rgba(16,26,43,.6);color:var(--text-1);cursor:pointer;
  align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,8,15,.72);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:55;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04211f;
  box-shadow:0 0 0 1px rgba(52,224,210,.30),0 8px 24px rgba(20,168,160,.28);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,224,210,.45),0 10px 30px rgba(52,224,210,.34);}
.btn-primary:active{transform:translateY(0);background:linear-gradient(135deg,var(--primary-deep),var(--primary-deep));}
.btn-ghost{border-color:rgba(52,224,210,.45);color:var(--primary);background:transparent;}
.btn-ghost:hover{background:rgba(52,224,210,.08);border-color:var(--primary);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 通用小元件 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.7;
}
.badge-accent{background:rgba(122,92,255,.12);color:#B9A9FF;border:1px solid rgba(122,92,255,.28);}
.badge-primary{background:rgba(52,224,210,.12);color:var(--primary);border:1px solid rgba(52,224,210,.28);}
.badge-heat{background:rgba(255,177,59,.12);color:var(--heat);border:1px solid rgba(255,177,59,.30);}
.badge-muted{background:rgba(108,129,153,.12);color:var(--text-3);border:1px solid rgba(108,129,153,.24);}
.badge-live{background:rgba(255,77,109,.14);color:var(--live);border:1px solid rgba(255,77,109,.32);}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--live);animation:breathe 1.6s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,77,109,.5);}50%{opacity:.5;box-shadow:0 0 0 6px rgba(255,77,109,0);}}
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:14px;font-size:24px;font-weight:700;color:var(--text-1);line-height:1.35;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-deep));box-shadow:0 0 12px rgba(52,224,210,.5);}
.sec-desc{margin-top:8px;padding-left:14px;font-size:14px;color:var(--text-3);}
.link-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:#5FF0E3;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--text-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb li{display:flex;align-items:center;gap:6px;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(108,129,153,.6);}
.breadcrumb .current{color:var(--text-2);}

/* ---------- 分类头部 ---------- */
.cat-head{padding:24px 0 0;}
.cat-head h1{
  font-size:30px;font-weight:800;line-height:1.25;color:var(--text-1);letter-spacing:.01em;
}
@media (min-width:768px){.cat-head h1{font-size:38px;}}
.cat-head .cat-intro{margin-top:14px;max-width:820px;font-size:16px;color:var(--text-2);}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}

/* ---------- 视觉头图 ---------- */
.cat-banner{
  position:relative;margin-top:26px;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/9;box-shadow:var(--shadow-card);
}
@media (min-width:768px){.cat-banner{aspect-ratio:21/9;}}
.cat-banner img{width:100%;height:100%;object-fit:cover;}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,8,15,.86) 0%,rgba(5,8,15,.55) 48%,rgba(5,8,15,.22) 100%);
}
.banner-inner{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px 20px;
  display:flex;flex-direction:column;gap:10px;
}
@media (min-width:768px){.banner-inner{padding:36px 40px;}}
.banner-inner h2{font-size:22px;font-weight:800;color:var(--text-1);line-height:1.35;}
@media (min-width:768px){.banner-inner h2{font-size:30px;}}
.banner-inner p{max-width:640px;font-size:14px;color:#C6D6E3;}
@media (min-width:768px){.banner-inner p{font-size:15px;}}

/* ---------- 双列交错大卡 ---------- */
.stagger-grid{
  display:grid;grid-template-columns:1fr;gap:24px;
}
@media (min-width:768px){
  .stagger-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .stagger-grid > .news-card:nth-child(even){transform:translateY(40px);}
  .stagger-grid{padding-bottom:40px;}
}
.news-card{
  display:flex;flex-direction:column;
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
@media (min-width:768px){
  .stagger-grid > .news-card:nth-child(even):hover{transform:translateY(36px);}
}
.news-thumb{position:relative;aspect-ratio:16/10;background:var(--bg-raise);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.thumb-tag{position:absolute;top:12px;left:12px;z-index:2;}
.thumb-time{
  position:absolute;right:12px;bottom:12px;z-index:2;
  padding:3px 10px;border-radius:var(--radius-pill);
  background:rgba(5,8,15,.72);border:1px solid var(--line);
  font-size:12px;color:var(--text-2);
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:19px;font-weight:700;line-height:1.45;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s var(--ease);
}
.news-card:hover .news-body h3{color:var(--primary);}
.news-body p{
  font-size:14.5px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 要点带（无外框） ---------- */
.point-band{
  display:grid;grid-template-columns:1fr;gap:24px;
  padding:36px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@media (min-width:640px){.point-band{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.point-band{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}}
.point-item{display:flex;flex-direction:column;gap:10px;}
.point-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(52,224,210,.10);border:1px solid rgba(52,224,210,.24);color:var(--primary);font-size:16px;
}
.point-item:nth-child(2) .point-icon{background:rgba(122,92,255,.12);border-color:rgba(122,92,255,.26);color:#B9A9FF;}
.point-item:nth-child(4) .point-icon{background:rgba(255,177,59,.12);border-color:rgba(255,177,59,.26);color:var(--heat);}
.point-item h3{font-size:17px;font-weight:600;color:var(--text-1);}
.point-item p{font-size:14px;color:var(--text-3);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-panel{
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
}
.faq-item{border-top:1px solid var(--line);}
.faq-item:first-child{border-top:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--text-1);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);background:rgba(52,224,210,.04);}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;font-weight:700;
  border:1px solid rgba(52,224,210,.4);color:var(--primary);
  transition:transform .25s var(--ease),background .22s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(52,224,210,.14);}
.faq-answer{padding:0 22px 22px;font-size:15.5px;color:var(--text-2);}
.faq-answer p + p{margin-top:12px;}

/* ---------- 分页 ---------- */
.pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin-top:48px;}
.page-btn{
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--radius-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:rgba(16,26,43,.55);
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:all .22s var(--ease);
}
.page-btn:hover{border-color:var(--line-strong);color:var(--primary);}
.page-btn.current{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04211f;border-color:transparent;
  box-shadow:0 0 0 1px rgba(52,224,210,.3),0 8px 22px rgba(20,168,160,.25);
}

/* ---------- CTA 转化带 ---------- */
.cta-band{
  display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  padding:28px 24px;border-radius:20px;
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 36px;gap:32px;}
}
.cta-band h2{font-size:22px;font-weight:700;color:var(--text-1);line-height:1.4;}
.cta-band p{margin-top:8px;font-size:15px;color:var(--text-3);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;width:100%;}
@media (min-width:768px){.cta-actions{width:auto;}}

/* ---------- 订阅卡 ---------- */
.subscribe-card{
  background:var(--glass-fill);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-card);
}
.subscribe-card h3{font-size:19px;font-weight:700;color:var(--text-1);}
.subscribe-card p{margin-top:8px;font-size:14.5px;color:var(--text-3);}
.subscribe-form{display:flex;flex-direction:column;gap:12px;margin-top:18px;}
@media (min-width:768px){.subscribe-form{flex-direction:row;align-items:center;}}
.field{
  flex:1;height:46px;padding:0 16px;border-radius:var(--radius-sm);
  background:rgba(10,16,28,.75);border:1px solid var(--line);color:var(--text-1);
  font-size:15px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field::placeholder{color:var(--text-3);}
.field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(52,224,210,.16);}
.form-note{margin-top:12px;font-size:13px;color:var(--text-3);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:64px;
  background:var(--bg-raise);
  border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(52,224,210,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 32px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}}
.footer-title{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:14px;}
.footer-text{font-size:14px;color:var(--text-3);line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center;
  padding:18px 0 26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式导航 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-list{
    position:fixed;top:0;right:0;z-index:70;
    height:100vh;width:min(86vw,340px);
    flex-direction:column;align-items:stretch;gap:0;
    padding:88px 20px 32px;
    background:rgba(10,16,28,.94);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    overflow-y:auto;
  }
  .nav-list.is-open{transform:translateX(0);}
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-list li:last-child{border-bottom:0;}
  .nav-list .nav-link{display:flex;align-items:center;height:56px;width:100%;font-size:16px;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--primary);}
  .nav-cta{display:none;}
  .drawer-cta{
    display:block;margin-top:24px;
  }
  .drawer-cta .btn{width:100%;}
}
@media (min-width:1024px){
  .drawer-cta{display:none;}
}
@media (max-width:767px){
  .cat-head h1{font-size:26px;}
  .section{padding:56px 0;}
  .sec-title{font-size:21px;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .stagger-grid > .news-card:nth-child(even){transform:none !important;}
  .news-card:hover{transform:none;}
}