/* roulang page: index */
:root{
    --bg:#050B14;
    --bg-2:#08111F;
    --panel:#0B1628;
    --panel-2:#0B1B33;
    --line:rgba(120,190,255,.16);
    --line-hover:rgba(120,220,255,.38);
    --cyan:#22D3EE;
    --lava:#FF6B35;
    --mint:#34D399;
    --violet:#8B5CF6;
    --tx:#EAF2FF;
    --tx-2:#9FB3C8;
    --tx-3:#6B8199;
    --r-lg:24px;
    --r-md:20px;
    --r-sm:14px;
    --shadow-card:0 20px 50px rgba(0,0,0,.35);
    --shadow-glass:0 8px 32px rgba(0,0,0,.40);
    --glow:0 0 24px rgba(34,211,238,.35);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    min-height:100vh;
    color:var(--tx);
    font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.8;
    background:
      radial-gradient(900px 620px at 6% -6%, rgba(34,211,238,.13), transparent 62%),
      radial-gradient(820px 620px at 102% 12%, rgba(255,107,53,.10), transparent 62%),
      radial-gradient(760px 560px at 48% 112%, rgba(139,92,246,.11), transparent 62%),
      var(--bg);
    background-attachment:fixed;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    opacity:.35;
    background-image:linear-gradient(rgba(120,190,255,.045) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(120,190,255,.045) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  input{font-family:inherit;}
  h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:700;letter-spacing:.2px;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}

  .shell{position:relative;z-index:1;}
  .container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:768px){.container{padding-left:28px;padding-right:28px;}}
  @media (min-width:1280px){.container{padding-left:32px;padding-right:32px;}}

  /* ---------- Dock 导航 ---------- */
  .dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;pointer-events:none;}
  .dock{
    pointer-events:auto;
    width:min(1180px, calc(100% - 32px));
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:18px;
    padding:10px 14px 10px 18px;
    border-radius:999px;
    background:rgba(8,18,36,.72);
    border:1px solid var(--line);
    box-shadow:var(--shadow-glass);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;border-radius:11px;
    display:grid;place-items:center;
    background:linear-gradient(140deg,var(--cyan),#0E4E8A 70%);
    box-shadow:0 0 18px rgba(34,211,238,.45);
    font-weight:800;font-size:15px;color:#04121F;
  }
  .brand-name{font-size:16px;font-weight:700;letter-spacing:.3px;white-space:nowrap;}
  .dock-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:9px 14px;
    border-radius:999px;
    font-size:15px;
    color:var(--tx-2);
    transition:color .22s ease, background-color .22s ease;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--tx);background:rgba(34,211,238,.08);}
  .nav-link.is-active{color:var(--tx);background:rgba(34,211,238,.12);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
    width:18px;height:2px;border-radius:2px;background:var(--cyan);box-shadow:var(--glow);
  }
  .dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .dock-cta{
    display:inline-flex;align-items:center;gap:6px;
    padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;
    color:#04121F;
    background:linear-gradient(135deg,#5FE7F7,var(--cyan) 45%,#0E7C9B);
    box-shadow:var(--glow);
    transition:transform .22s ease, box-shadow .22s ease, filter .22s ease;
  }
  .dock-cta:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 30px rgba(34,211,238,.5);}
  .dock-cta:active{transform:scale(.98);}
  .dock-toggle{
    display:none;width:40px;height:40px;border-radius:12px;
    background:rgba(34,211,238,.10);border:1px solid var(--line);color:var(--tx);
    align-items:center;justify-content:center;
  }
  .dock-drawer{
    pointer-events:auto;
    width:min(1180px, calc(100% - 32px));
    margin:10px auto 0;
    border-radius:22px;
    background:rgba(8,18,36,.94);
    border:1px solid var(--line);
    box-shadow:var(--shadow-glass);
    backdrop-filter:blur(18px);
    padding:12px;
    display:none;
  }
  .dock-drawer.open{display:block;}
  .dock-drawer a{
    display:block;padding:11px 14px;border-radius:14px;color:var(--tx-2);font-size:15px;
  }
  .dock-drawer a:hover,.dock-drawer a.is-active{background:rgba(34,211,238,.12);color:var(--tx);}
  .dock-drawer .drawer-cta{
    margin-top:8px;text-align:center;color:#04121F;font-weight:600;
    background:linear-gradient(135deg,#5FE7F7,var(--cyan) 50%,#0E7C9B);
  }
  @media (max-width:1023px){
    .dock-nav{display:none;}
    .dock-toggle{display:flex;}
    .dock{padding:10px 12px;}
    .brand-name{font-size:15px;}
  }
  @media (max-width:560px){
    .dock-cta{display:none;}
  }

  /* ---------- 通用组件 ---------- */
  .glass{
    background:rgba(10,22,42,.62);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-glass);
    backdrop-filter:blur(16px) saturate(130%);
    -webkit-backdrop-filter:blur(16px) saturate(130%);
  }
  .card{
    background:linear-gradient(160deg, rgba(12,28,52,.86), rgba(8,17,31,.9));
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-card);
    transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
  }
  .card:hover{transform:translateY(-3px);border-color:var(--line-hover);box-shadow:0 26px 56px rgba(0,0,0,.45);}
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:96px 0;}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.16em;text-transform:uppercase;
    color:var(--cyan);font-weight:600;
  }
  .eyebrow::before{content:"";width:24px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);}
  .sec-title{font-size:clamp(24px,3vw,36px);font-weight:700;}
  .sec-desc{color:var(--tx-2);font-size:15px;line-height:1.8;max-width:680px;margin-top:12px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;
    font-size:12.5px;line-height:1.6;font-weight:600;
    border:1px solid var(--line);color:var(--tx-2);background:rgba(34,211,238,.07);
  }
  .badge-live{color:#FFEDE4;border-color:rgba(255,107,53,.45);background:rgba(255,107,53,.16);}
  .badge-ok{color:#D9FBEE;border-color:rgba(52,211,153,.42);background:rgba(52,211,153,.14);}
  .badge-violet{color:#EFE7FF;border-color:rgba(139,92,246,.42);background:rgba(139,92,246,.16);}
  .tag{
    display:inline-flex;padding:7px 14px;border-radius:999px;font-size:13px;
    color:var(--tx-2);border:1px solid var(--line);background:rgba(11,27,51,.7);
    transition:color .2s ease, border-color .2s ease, background-color .2s ease;
  }
  .tag:hover{color:var(--tx);border-color:var(--line-hover);background:rgba(34,211,238,.10);}
  .tag.is-on{color:#04121F;background:linear-gradient(135deg,#5FE7F7,var(--cyan));border-color:transparent;font-weight:600;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
    border:1px solid transparent;
    transition:transform .22s ease, box-shadow .22s ease, background-color .22s ease, border-color .22s ease, filter .22s ease;
  }
  .btn-primary{
    color:#04121F;
    background:linear-gradient(135deg,#6BEDFB,var(--cyan) 48%,#0E7C9B);
    box-shadow:var(--glow);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 34px rgba(34,211,238,.5);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    color:var(--tx);
    border-color:var(--line);
    background:rgba(11,27,51,.55);
  }
  .btn-ghost:hover{background:rgba(34,211,238,.10);border-color:var(--line-hover);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-warm{
    color:#1A0904;
    background:linear-gradient(135deg,#FFB48C,var(--lava) 55%,#C6400F);
    box-shadow:0 0 22px rgba(255,107,53,.34);
  }
  .btn-warm:hover{transform:translateY(-2px);filter:brightness(1.05);}
  a:focus-visible,button:focus-visible,input:focus-visible{
    outline:2px solid var(--cyan);outline-offset:2px;border-radius:12px;
  }

  /* ---------- Hero ---------- */
  .hero{padding-top:130px;padding-bottom:56px;position:relative;}
  @media (min-width:1024px){.hero{padding-top:168px;padding-bottom:88px;}}
  .hero-bg{
    position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;
  }
  .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.22;}
  .hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,11,20,.72) 0%,rgba(5,11,20,.92) 62%,var(--bg) 100%);
  }
  .hero-inner{position:relative;z-index:1;}
  .hero-h1{
    font-size:clamp(34px,5vw,58px);
    line-height:1.14;
    font-weight:800;
    letter-spacing:.4px;
  }
  .hero-h1 span{
    background:linear-gradient(100deg,#8BF0FF,var(--cyan) 46%,#59A7FF);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-sub{color:var(--tx-2);font-size:16px;line-height:1.85;max-width:600px;}
  @media (min-width:1024px){.hero-sub{font-size:17px;}}
  .hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
  .stat{
    padding:14px 16px;border-radius:16px;
    border:1px solid var(--line);background:rgba(11,27,51,.6);
  }
  .stat b{display:block;font-size:20px;font-weight:700;color:var(--cyan);font-variant-numeric:tabular-nums;}
  .stat span{font-size:13px;color:var(--tx-3);}

  .live-cover{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line-hover);
    box-shadow:0 26px 60px rgba(0,0,0,.5), 0 0 40px rgba(34,211,238,.14);
  }
  .live-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .live-cover::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,11,20,.12) 0%,rgba(5,11,20,.86) 100%);
  }
  .live-cover-text{position:absolute;z-index:2;left:20px;right:20px;bottom:18px;}
  .float-card{
    position:relative;margin-top:-46px;margin-left:16px;margin-right:16px;
    border-radius:var(--r-lg);padding:18px;
  }
  @media (min-width:768px){.float-card{margin-left:28px;margin-right:0;margin-top:-56px;}}
  .countdown-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .cd-cell{
    text-align:center;padding:10px 6px;border-radius:14px;
    border:1px solid var(--line);background:rgba(5,14,26,.72);
  }
  .cd-num{
    font-size:clamp(22px,3.4vw,32px);font-weight:800;color:var(--cyan);
    font-variant-numeric:tabular-nums;letter-spacing:1px;
    text-shadow:0 0 18px rgba(34,211,238,.55);
    animation:pulseGlow 2.6s ease-in-out infinite;
  }
  .cd-cell span{display:block;font-size:12px;color:var(--tx-3);margin-top:2px;}
  @keyframes pulseGlow{0%,100%{opacity:1;}50%{opacity:.82;}}

  /* ---------- 预告卡 / 看点列表 ---------- */
  .timeline-item{
    position:relative;
    padding:18px 20px 18px 24px;
    border-radius:18px;
    border:1px solid var(--line);
    background:rgba(11,27,51,.55);
    transition:border-color .24s ease, transform .24s ease, background-color .24s ease;
  }
  .timeline-item::before{
    content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
    background:linear-gradient(180deg,var(--cyan),rgba(34,211,238,.05));
  }
  .timeline-item:hover{border-color:var(--line-hover);transform:translateX(4px);background:rgba(13,32,60,.72);}
  .timeline-time{
    font-size:13px;color:var(--cyan);font-weight:600;font-variant-numeric:tabular-nums;
  }
  .media-card{overflow:hidden;border-radius:var(--r-md);}
  .media-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
  .media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
  .media-card:hover .media-thumb img{transform:scale(1.04);}
  .media-thumb::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,11,20,.05),rgba(5,11,20,.72));
  }
  .media-badge{
    position:absolute;z-index:2;top:12px;left:12px;
  }
  .media-duration{
    position:absolute;z-index:2;right:12px;bottom:12px;
    padding:4px 10px;border-radius:8px;font-size:12.5px;
    background:rgba(5,11,20,.78);border:1px solid var(--line);color:var(--tx);
    font-variant-numeric:tabular-nums;
  }
  .play-dot{
    position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);
    width:52px;height:52px;border-radius:50%;
    display:grid;place-items:center;
    background:rgba(34,211,238,.16);border:1px solid rgba(34,211,238,.6);
    backdrop-filter:blur(6px);
    transition:transform .26s ease, background-color .26s ease;
  }
  .media-card:hover .play-dot{transform:translate(-50%,-50%) scale(1.08);background:rgba(34,211,238,.28);}

  .cat-tile{
    display:flex;flex-direction:column;gap:10px;
    padding:22px;border-radius:var(--r-md);
    border:1px solid var(--line);
    background:linear-gradient(155deg, rgba(13,30,56,.85), rgba(8,17,31,.92));
    transition:transform .26s ease, border-color .26s ease;
  }
  .cat-tile:hover{transform:translateY(-4px);border-color:var(--line-hover);}
  .cat-tile .cat-k{
    width:44px;height:44px;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  }
  .cat-tile .cat-k img{width:100%;height:100%;object-fit:cover;}

  /* ---------- CMS 列表 ---------- */
  .news-card{
    display:block;padding:22px 22px 20px;
    border-radius:var(--r-md);
    border:1px solid var(--line);
    background:linear-gradient(160deg, rgba(11,27,51,.78), rgba(7,15,28,.92));
    transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
  }
  .news-card:hover{transform:translateY(-3px);border-color:var(--line-hover);box-shadow:0 22px 48px rgba(0,0,0,.42);}
  .news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--tx-3);}
  .news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--tx-3);}
  .empty-state{
    padding:34px 24px;border-radius:var(--r-md);text-align:center;
    border:1px dashed var(--line);color:var(--tx-2);background:rgba(11,27,51,.4);
  }

  /* ---------- 表单 ---------- */
  .field{
    width:100%;padding:14px 16px;border-radius:var(--r-sm);
    background:rgba(5,14,26,.78);border:1px solid var(--line);color:var(--tx);
    font-size:15px;transition:border-color .22s ease, box-shadow .22s ease;
  }
  .field::placeholder{color:var(--tx-3);}
  .field:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.18);}
  .form-note{font-size:12.5px;color:var(--tx-3);line-height:1.7;}
  .form-msg{font-size:13.5px;margin-top:10px;display:none;}
  .form-msg.ok{display:block;color:var(--mint);}
  .form-msg.err{display:block;color:var(--lava);}

  /* ---------- FAQ ---------- */
  .faq-item{
    border-radius:20px;border:1px solid var(--line);
    background:rgba(10,22,42,.6);
    overflow:hidden;
    transition:border-color .24s ease;
  }
  .faq-item:hover{border-color:var(--line-hover);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;background:transparent;border:0;color:var(--tx);text-align:left;
  }
  .faq-q h3{font-size:16.5px;font-weight:600;}
  .faq-icon{
    flex-shrink:0;width:26px;height:26px;border-radius:50%;
    display:grid;place-items:center;font-size:16px;line-height:1;
    border:1px solid var(--line);color:var(--cyan);
    transition:transform .28s ease, background-color .28s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(34,211,238,.16);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{padding:0 20px 20px;color:var(--tx-2);font-size:15px;line-height:1.85;}

  /* ---------- CTA / 页脚 ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:28px;
    border:1px solid var(--line-hover);
    background:linear-gradient(135deg, rgba(13,36,66,.95), rgba(7,15,28,.96) 62%);
    box-shadow:var(--shadow-glass);
  }
  .cta-band::before{
    content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
    background:radial-gradient(circle, rgba(34,211,238,.30), transparent 68%);
  }
  .cta-band::after{
    content:"";position:absolute;left:-70px;bottom:-110px;width:260px;height:260px;border-radius:50%;
    background:radial-gradient(circle, rgba(255,107,53,.22), transparent 68%);
  }
  .cta-band > *{position:relative;z-index:1;}
  footer.site-footer{
    margin-top:24px;
    border-top:1px solid var(--line);
    background:linear-gradient(180deg, rgba(5,11,20,.4), rgba(4,9,17,.95));
  }
  .footer-title{font-size:14px;font-weight:700;color:var(--tx);letter-spacing:.06em;}
  .footer-link{display:block;padding:6px 0;color:var(--tx-2);font-size:14px;transition:color .2s ease, transform .2s ease;}
  .footer-link:hover{color:var(--cyan);transform:translateX(3px);}
  .footer-bottom{border-top:1px solid var(--line);color:var(--tx-3);font-size:13px;}

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

/* roulang page: article */
:root{
  --bg-0:#050B14;
  --bg-1:#08111F;
  --bg-2:#0B1628;
  --panel:#0B1B33;
  --panel-2:#12284A;
  --cyan:#22D3EE;
  --orange:#FF6B35;
  --mint:#34D399;
  --violet:#8B5CF6;
  --tx-1:#EAF2FF;
  --tx-2:#9FB3C8;
  --tx-3:#6B8199;
  --line:rgba(120,190,255,.16);
  --line-hover:rgba(120,220,255,.35);
  --r-card:22px;
  --r-btn:14px;
  --r-pill:999px;
  --shadow-card:0 20px 50px rgba(0,0,0,.35);
  --shadow-glass:0 8px 32px rgba(0,0,0,.4);
  --glow:0 0 24px rgba(34,211,238,.35);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 520px at 12% 6%,rgba(34,211,238,.14),transparent 62%),
    radial-gradient(680px 520px at 92% 72%,rgba(255,107,53,.10),transparent 64%),
    radial-gradient(520px 420px at 68% 12%,rgba(139,92,246,.09),transparent 66%),
    linear-gradient(180deg,var(--bg-1) 0%,var(--bg-0) 46%,var(--bg-2) 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.35;
  background-image:linear-gradient(rgba(120,190,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,190,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
  position:relative;
  z-index:2;
}
main{position:relative;z-index:2;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));
  z-index:80;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:10px 12px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(8,18,36,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-glass);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;color:#04121A;
  background:linear-gradient(140deg,#67E8F9,#22D3EE 45%,#0E7490);
  box-shadow:0 0 18px rgba(34,211,238,.45);
}
.brand-name{
  font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--tx-1);white-space:nowrap;
}
.dock-nav{
  display:flex;align-items:center;gap:4px;
  flex:1 1 auto;justify-content:center;
}
.nav-link{
  position:relative;
  padding:9px 15px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--tx-2);
  white-space:nowrap;
  transition:color .24s ease,background-color .24s ease,box-shadow .24s ease;
}
.nav-link:hover{color:var(--tx-1);background:rgba(34,211,238,.10);}
.nav-link.is-active{
  color:#08111F;
  font-weight:600;
  background:linear-gradient(135deg,#67E8F9,#22D3EE 60%,#0EA5B7);
  box-shadow:0 0 18px rgba(34,211,238,.38);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-cta{
  display:inline-flex;align-items:center;
  padding:10px 20px;
  border-radius:var(--r-pill);
  font-size:14px;font-weight:600;
  color:#05121B;
  background:linear-gradient(135deg,#8DF0FF,#22D3EE 55%,#0E96AD);
  box-shadow:0 0 22px rgba(34,211,238,.35);
  transition:transform .24s ease,box-shadow .24s ease,filter .24s ease;
}
.dock-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 30px rgba(34,211,238,.5);}
.dock-cta:active{transform:scale(.98);}
.dock-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:rgba(34,211,238,.10);
  border:1px solid var(--line);
  color:var(--tx-1);cursor:pointer;
  transition:background-color .24s ease,border-color .24s ease;
}
.dock-toggle:hover{background:rgba(34,211,238,.18);border-color:var(--line-hover);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:10px;
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;
  transition:transform .24s ease,box-shadow .24s ease,background-color .24s ease,border-color .24s ease,filter .24s ease;
}
.btn-primary{
  color:#05121B;
  background:linear-gradient(135deg,#8DF0FF,#22D3EE 52%,#0E96AD);
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 32px rgba(34,211,238,.5);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  color:var(--tx-1);
  background:rgba(18,40,74,.5);
  border:1px solid var(--line);
}
.btn-ghost:hover{background:rgba(34,211,238,.12);border-color:var(--line-hover);transform:translateY(-2px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--line);
  background:rgba(34,211,238,.10);
  color:#9BE9F7;
}
.badge-orange{background:rgba(255,107,53,.12);color:#FFB08C;border-color:rgba(255,107,53,.3);}
.badge-mint{background:rgba(52,211,153,.12);color:#8DE9C4;border-color:rgba(52,211,153,.28);}
.badge-violet{background:rgba(139,92,246,.14);color:#C7B4FB;border-color:rgba(139,92,246,.3);}
.card{
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(18,40,74,.55),rgba(8,18,36,.72));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:0 26px 60px rgba(0,0,0,.42);}
.glass{
  background:rgba(8,18,36,.62);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-glass);
  border-radius:var(--r-card);
}
.section{padding:76px 0;}
.section-head{margin-bottom:34px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;line-height:1.22;
  letter-spacing:-.01em;
}
.section-head p{color:var(--tx-2);font-size:15px;margin-top:10px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--cyan);letter-spacing:.14em;font-weight:600;
  margin-bottom:12px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),transparent);}

/* ---------- 文章头部 ---------- */
.article-top{
  padding:132px 0 34px;
  position:relative;
}
.article-top::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(760px 380px at 22% 0%,rgba(34,211,238,.16),transparent 66%),
    radial-gradient(620px 320px at 88% 12%,rgba(255,107,53,.10),transparent 68%);
  pointer-events:none;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--tx-3);margin-bottom:22px;
}
.crumb a{color:var(--tx-2);transition:color .2s ease,text-shadow .2s ease;}
.crumb a:hover{color:var(--cyan);text-shadow:0 0 12px rgba(34,211,238,.5);}
.crumb .sep{color:rgba(107,129,153,.6);}
.crumb .current{color:var(--tx-2);max-width:min(560px,62vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;line-height:1.16;letter-spacing:-.015em;
  max-width:900px;
  margin-top:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:22px;font-size:13.5px;color:var(--tx-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(107,129,153,.7);display:inline-block;}
.article-brief{
  margin-top:26px;max-width:820px;
  padding:18px 22px;
  border-radius:18px;
  border:1px solid var(--line);
  border-left:3px solid var(--cyan);
  background:rgba(11,27,51,.6);
  color:var(--tx-2);font-size:14.5px;line-height:1.8;
}

/* ---------- 正文阅读区 ---------- */
.article-body-wrap{padding:26px 0 20px;}
.prose-article{
  max-width:800px;
  margin:0 auto;
  font-size:17px;
  line-height:1.88;
  color:#D9E6F5;
}
.prose-article p{margin:0 0 22px;}
.prose-article h2{
  position:relative;
  font-size:clamp(22px,2.6vw,28px);
  font-weight:700;line-height:1.32;
  color:var(--tx-1);
  margin:52px 0 20px;
  padding-left:16px;
}
.prose-article h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),rgba(34,211,238,0));
  box-shadow:0 0 14px rgba(34,211,238,.55);
}
.prose-article h3{
  font-size:19px;font-weight:650;color:var(--tx-1);
  margin:34px 0 14px;
}
.prose-article h4{font-size:17px;font-weight:600;margin:26px 0 12px;color:var(--tx-1);}
.prose-article ul,.prose-article ol{margin:0 0 24px;padding-left:4px;}
.prose-article li{
  position:relative;padding-left:20px;margin-bottom:10px;color:#D2E1F2;
}
.prose-article ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px rgba(34,211,238,.6);
}
.prose-article ol{counter-reset:item;}
.prose-article ol li{counter-increment:item;padding-left:30px;}
.prose-article ol li::before{
  content:counter(item);
  position:absolute;left:0;top:2px;
  width:20px;height:20px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,#67E8F9,#22D3EE);
}
.prose-article a{color:#7DE6F5;border-bottom:1px solid rgba(125,230,245,.4);transition:color .2s ease,border-color .2s ease;}
.prose-article a:hover{color:#B6F3FB;border-color:#B6F3FB;}
.prose-article blockquote{
  margin:30px 0;
  padding:20px 24px;
  border-radius:20px;
  background:rgba(8,18,36,.66);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  color:var(--tx-2);
  font-size:15.5px;
}
.prose-article img{
  width:100%;border-radius:18px;margin:28px 0 10px;
  border:1px solid var(--line);
}
.prose-article figcaption{font-size:13px;color:var(--tx-3);text-align:center;margin-bottom:26px;}
.prose-article hr{border:none;height:1px;background:var(--line);margin:40px 0;}
.prose-article strong{color:#F2F8FF;}
.prose-article code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14px;padding:2px 7px;border-radius:8px;
  background:rgba(34,211,238,.10);color:#9BE9F7;
}
.empty-state{
  text-align:center;
  padding:52px 26px;
  border-radius:var(--r-card);
  border:1px dashed var(--line-hover);
  background:rgba(8,18,36,.6);
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px;}
.empty-state p{color:var(--tx-2);font-size:15px;margin-bottom:24px;}

/* ---------- 相关推荐 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  overflow:hidden;
  background:linear-gradient(180deg,rgba(18,40,74,.55),rgba(8,18,36,.78));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:0 26px 60px rgba(0,0,0,.45);}
.related-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,20,.05) 30%,rgba(5,11,20,.78));
}
.related-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:17px;font-weight:650;line-height:1.45;}
.related-body p{font-size:14px;color:var(--tx-2);line-height:1.7;}
.related-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--tx-3);
}
.related-foot span:last-child{color:#7DE6F5;}

/* ---------- 订阅 CTA ---------- */
.cta-panel{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
  padding:44px;
  border-radius:26px;
  background:linear-gradient(135deg,rgba(18,40,74,.78),rgba(8,18,36,.9));
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-glass);
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.26),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;line-height:1.25;}
.cta-panel p{color:var(--tx-2);font-size:15px;margin-top:14px;max-width:560px;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.subscribe-form input{
  flex:1 1 220px;
  min-width:0;
  padding:14px 18px;
  border-radius:var(--r-btn);
  background:rgba(5,11,20,.7);
  border:1px solid var(--line);
  color:var(--tx-1);
  font-size:15px;
  transition:border-color .24s ease,box-shadow .24s ease,background-color .24s ease;
}
.subscribe-form input::placeholder{color:var(--tx-3);}
.subscribe-form input:focus{
  outline:none;
  border-color:rgba(34,211,238,.6);
  box-shadow:0 0 0 3px rgba(34,211,238,.16),0 0 22px rgba(34,211,238,.28);
  background:rgba(5,11,20,.86);
}
.form-note{font-size:12.5px;color:var(--tx-3);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:64px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,36,.6),rgba(5,11,20,.96));
  position:relative;
  z-index:2;
}
.footer-title{
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--tx-1);text-transform:uppercase;
}
.footer-link{
  display:block;
  padding:6px 0;
  font-size:14px;color:var(--tx-2);
  transition:color .22s ease,transform .22s ease;
}
.footer-link:hover{color:var(--cyan);transform:translateX(3px);}
.footer-bottom{
  border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-top{padding-top:120px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:36px;}
}
@media (max-width:860px){
  .dock{padding:9px 12px;gap:12px;}
  .dock-nav{
    display:none;
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px;
    border-radius:22px;
    background:rgba(8,18,36,.94);
    border:1px solid var(--line);
    box-shadow:var(--shadow-glass);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
  }
  .dock.is-open .dock-nav{display:flex;}
  .dock-nav .nav-link{padding:12px 16px;border-radius:14px;}
  .dock-toggle{display:inline-flex;}
  .dock-cta{display:none;}
  .brand-name{font-size:15px;}
}
@media (max-width:768px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .article-top{padding:112px 0 26px;}
  .prose-article{font-size:16.5px;line-height:1.85;}
  .prose-article h2{margin-top:42px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-panel{padding:28px 22px;border-radius:22px;}
  .subscribe-form input{flex:1 1 100%;}
  .subscribe-form .btn{width:100%;}
}
@media (max-width:520px){
  .dock{width:calc(100% - 20px);top:10px;border-radius:26px;}
  .article-title{font-size:clamp(26px,7vw,34px);}
  .crumb .current{max-width:52vw;}
  .btn{padding:12px 20px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
    --bg:#050B14;
    --bg-2:#08111F;
    --bg-3:#0B1628;
    --panel:#0B1B33;
    --panel-2:#12284A;
    --cyan:#22D3EE;
    --orange:#FF6B35;
    --mint:#34D399;
    --violet:#8B5CF6;
    --tx-1:#EAF2FF;
    --tx-2:#9FB3C8;
    --tx-3:#6B8199;
    --line:rgba(120,190,255,.16);
    --line-2:rgba(120,220,255,.35);
    --r-card:22px;
    --r-btn:14px;
    --r-pill:999px;
    --shadow-card:0 20px 50px rgba(0,0,0,.35);
    --shadow-glass:0 8px 32px rgba(0,0,0,.4);
    --glow:0 0 24px rgba(34,211,238,.35);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    background:var(--bg);
    color:var(--tx-1);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(800px 520px at 8% -6%, rgba(34,211,238,.16), transparent 62%),
      radial-gradient(720px 480px at 96% 8%, rgba(139,92,246,.13), transparent 60%),
      radial-gradient(760px 520px at 78% 96%, rgba(255,107,53,.10), transparent 62%);
  }
  body::after{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    opacity:.35;
    background-image:linear-gradient(rgba(120,190,255,.045) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(120,190,255,.045) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  }
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.22;letter-spacing:.2px;}
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
  input{font-family:inherit;}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  /* ============ Dock 导航 ============ */
  .dock{
    position:fixed;
    top:16px;
    left:50%;
    transform:translateX(-50%);
    width:min(1180px, calc(100% - 32px));
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:10px 12px 10px 18px;
    border-radius:var(--r-pill);
    background:rgba(8,18,36,.72);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border:1px solid var(--line);
    box-shadow:var(--shadow-glass);
    z-index:90;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;border-radius:12px;
    display:inline-flex;align-items:center;justify-content:center;
    font-weight:800;font-size:17px;color:#04121C;
    background:linear-gradient(140deg,var(--cyan),#0EA5B7 65%);
    box-shadow:0 0 18px rgba(34,211,238,.45);
  }
  .brand-name{font-weight:700;font-size:16px;letter-spacing:.4px;color:var(--tx-1);white-space:nowrap;}
  .dock-nav{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;
    padding:9px 16px;
    border-radius:var(--r-pill);
    font-size:14.5px;
    color:var(--tx-2);
    transition:color .25s ease, background .25s ease;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--tx-1);background:rgba(34,211,238,.08);}
  .nav-link.is-active{color:#04121C;background:linear-gradient(135deg,var(--cyan),#38BDF8);font-weight:600;box-shadow:0 0 18px rgba(34,211,238,.35);}
  .dock-actions{display:flex;align-items:center;gap:10px;}
  .dock-cta{
    display:inline-flex;align-items:center;justify-content:center;
    padding:10px 20px;border-radius:var(--r-pill);
    font-size:14px;font-weight:600;color:#04121C;
    background:linear-gradient(135deg,var(--cyan),#2FB6D8);
    box-shadow:var(--glow);
    transition:transform .25s ease, box-shadow .25s ease, filter .25s ease;
    white-space:nowrap;
  }
  .dock-cta:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 32px rgba(34,211,238,.55);}
  .dock-cta:active{transform:scale(.98);}
  .dock-toggle{
    display:none;
    width:42px;height:42px;border-radius:var(--r-pill);
    align-items:center;justify-content:center;
    color:var(--tx-1);
    border:1px solid var(--line);
    background:rgba(34,211,238,.06);
    transition:background .25s ease;
  }
  .dock-toggle:hover{background:rgba(34,211,238,.14);}

  @media (max-width:980px){
    .dock{flex-wrap:wrap;border-radius:26px;padding:12px 14px;}
    .dock-toggle{display:inline-flex;}
    .dock-nav{
      order:3;
      display:none;
      width:100%;
      flex-direction:column;
      align-items:stretch;
      gap:6px;
      padding-top:12px;
      margin-top:6px;
      border-top:1px solid var(--line);
    }
    .dock-nav.is-open{display:flex;}
    .nav-link{padding:12px 14px;border-radius:14px;font-size:15px;}
    .dock-cta{padding:9px 16px;font-size:13.5px;}
  }
  @media (max-width:520px){
    .brand-name{font-size:14.5px;}
    .dock-cta{display:none;}
  }

  /* ============ 通用按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;
    transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, filter .25s ease;
    cursor:pointer;
  }
  .btn-primary{
    color:#04121C;
    background:linear-gradient(135deg,var(--cyan),#1E9FC4);
    box-shadow:var(--glow);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 34px rgba(34,211,238,.55);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    color:var(--tx-1);
    background:rgba(11,27,51,.55);
    border:1px solid var(--line);
  }
  .btn-ghost:hover{background:rgba(34,211,238,.10);border-color:var(--line-2);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-sm{padding:9px 18px;font-size:13.5px;border-radius:12px;}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;
    padding:158px 0 72px;
    overflow:hidden;
  }
  .page-hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    opacity:.34;
    z-index:0;
  }
  .page-hero-bg::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg, rgba(5,11,20,.55) 0%, rgba(5,11,20,.86) 55%, var(--bg) 100%);
  }
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:22px;}
  .crumb a{color:var(--tx-3);transition:color .2s ease;}
  .crumb a:hover{color:var(--cyan);}
  .crumb span.sep{color:rgba(107,129,153,.6);}
  .crumb .now{color:var(--tx-2);}

  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 16px;border-radius:var(--r-pill);
    font-size:13px;color:var(--mint);
    background:rgba(52,211,153,.10);
    border:1px solid rgba(52,211,153,.30);
    margin-bottom:20px;
  }
  .hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px rgba(52,211,153,.9);animation:pulseDot 2.2s ease-in-out infinite;}

  .page-hero h1{
    font-size:clamp(34px,5vw,58px);
    font-weight:800;
    line-height:1.14;
    letter-spacing:.5px;
  }
  .page-hero h1 .hl{
    background:linear-gradient(120deg,var(--cyan),#7DD3FC 60%,var(--violet));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-lead{
    margin-top:20px;
    max-width:720px;
    font-size:17px;
    line-height:1.85;
    color:var(--tx-2);
  }
  .hero-stats{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:16px;
    margin-top:38px;
    max-width:820px;
  }
  .stat{
    padding:18px 20px;
    border-radius:18px;
    background:rgba(11,27,51,.60);
    border:1px solid var(--line);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
  }
  .stat b{display:block;font-size:26px;font-weight:800;color:var(--cyan);line-height:1.2;}
  .stat span{display:block;margin-top:4px;font-size:13px;color:var(--tx-3);}

  @media (max-width:768px){
    .page-hero{padding:132px 0 56px;}
    .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
    .hero-lead{font-size:15.5px;}
  }

  /* ============ 区块 ============ */
  .section{padding:72px 0;position:relative;z-index:1;}
  .section-sm{padding:48px 0;}
  .section-head{margin-bottom:34px;}
  .eyebrow{
    display:inline-block;
    font-size:13px;letter-spacing:2px;color:var(--cyan);
    text-transform:uppercase;
    margin-bottom:12px;
  }
  .section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
  .section-head p{margin-top:12px;max-width:680px;color:var(--tx-2);font-size:15.5px;line-height:1.8;}

  /* ============ 筛选条 ============ */
  .filter-bar{
    display:flex;flex-wrap:wrap;gap:10px;
    padding:14px;
    border-radius:20px;
    background:rgba(8,17,31,.66);
    border:1px solid var(--line);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
  }
  .chip{
    padding:9px 18px;border-radius:var(--r-pill);
    font-size:13.5px;color:var(--tx-2);
    border:1px solid var(--line);
    background:rgba(11,27,51,.5);
    transition:all .22s ease;
  }
  .chip:hover{color:var(--tx-1);border-color:var(--line-2);background:rgba(34,211,238,.10);}
  .chip.is-active{color:#04121C;background:linear-gradient(135deg,var(--cyan),#38BDF8);border-color:transparent;font-weight:600;box-shadow:0 0 16px rgba(34,211,238,.35);}

  /* ============ 预告卡 ============ */
  .live-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
    margin-top:28px;
  }
  .live-card{
    display:flex;flex-direction:column;
    border-radius:var(--r-card);
    overflow:hidden;
    background:linear-gradient(180deg,rgba(18,40,74,.62),rgba(11,27,51,.86));
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  }
  .live-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 26px 56px rgba(0,0,0,.45);}
  .live-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);}
  .live-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .live-card:hover .live-cover img{transform:scale(1.04);}
  .live-cover::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,11,20,0) 40%,rgba(5,11,20,.78) 100%);
  }
  .badge{
    position:absolute;top:12px;left:12px;z-index:2;
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 13px;border-radius:var(--r-pill);
    font-size:12px;font-weight:600;
  }
  .badge-orange{color:#1B0A03;background:linear-gradient(135deg,var(--orange),#FF9A62);box-shadow:0 0 16px rgba(255,107,53,.45);}
  .badge-cyan{color:#04121C;background:linear-gradient(135deg,var(--cyan),#67E8F9);box-shadow:0 0 16px rgba(34,211,238,.4);}
  .badge-violet{color:#F5F3FF;background:rgba(139,92,246,.85);}
  .badge-mint{color:#04231A;background:linear-gradient(135deg,var(--mint),#7EE7C0);}
  .cover-time{
    position:absolute;bottom:12px;left:14px;z-index:2;
    font-size:13.5px;font-weight:600;color:var(--tx-1);
    letter-spacing:.4px;
  }
  .live-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;gap:12px;}
  .live-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--tx-3);}
  .live-meta .pin{color:var(--cyan);}
  .live-body h3{font-size:18px;font-weight:700;line-height:1.45;}
  .live-body p{font-size:14px;line-height:1.75;color:var(--tx-2);}
  .live-foot{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;
    gap:12px;padding-top:14px;border-top:1px solid var(--line);
  }
  .state{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--tx-3);}
  .state .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);}
  .state.warn .dot{background:var(--orange);}
  .state.mute .dot{background:var(--tx-3);}

  @media (max-width:1024px){
    .live-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  }
  @media (max-width:640px){
    .live-grid{grid-template-columns:1fr;gap:16px;}
    .section{padding:56px 0;}
  }

  /* ============ 倒计时 ============ */
  .countdown-wrap{
    display:grid;
    grid-template-columns:1.35fr 1fr;
    gap:24px;
    align-items:stretch;
  }
  .countdown-card{
    position:relative;
    overflow:hidden;
    border-radius:26px;
    padding:38px 34px;
    background:linear-gradient(150deg,rgba(18,40,74,.85),rgba(8,17,31,.92));
    border:1px solid var(--line);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    box-shadow:var(--shadow-glass);
  }
  .countdown-card::before{
    content:"";position:absolute;top:-70px;right:-70px;width:230px;height:230px;border-radius:50%;
    background:radial-gradient(circle,rgba(34,211,238,.30),transparent 68%);
    pointer-events:none;
  }
  .countdown-label{font-size:13.5px;color:var(--cyan);letter-spacing:1.6px;margin-bottom:10px;}
  .countdown-title{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;max-width:560px;}
  .countdown-sub{margin-top:10px;font-size:14px;color:var(--tx-2);}
  .clock{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
  .clock-unit{
    min-width:92px;
    padding:16px 12px;
    border-radius:18px;
    text-align:center;
    background:rgba(5,11,20,.62);
    border:1px solid var(--line);
    box-shadow:inset 0 0 26px rgba(34,211,238,.10);
  }
  .clock-unit b{
    display:block;
    font-size:clamp(26px,4vw,40px);
    font-weight:800;
    color:var(--cyan);
    line-height:1.1;
    text-shadow:0 0 22px rgba(34,211,238,.55);
    animation:clockPulse 2.6s ease-in-out infinite;
  }
  .clock-unit span{display:block;margin-top:6px;font-size:12.5px;color:var(--tx-3);letter-spacing:1px;}
  .clock-note{margin-top:20px;font-size:13px;color:var(--tx-3);}

  .countdown-side{
    display:flex;flex-direction:column;gap:16px;
  }
  .side-card{
    flex:1;
    padding:24px;
    border-radius:22px;
    background:linear-gradient(180deg,rgba(18,40,74,.55),rgba(11,27,51,.85));
    border:1px solid var(--line);
    transition:border-color .25s ease, transform .25s ease;
  }
  .side-card:hover{border-color:var(--line-2);transform:translateY(-3px);}
  .side-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
  .side-card p{font-size:14px;color:var(--tx-2);line-height:1.75;}
  .side-card .tag-line{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
  .mini-tag{
    padding:5px 12px;border-radius:var(--r-pill);
    font-size:12px;color:var(--tx-2);
    background:rgba(34,211,238,.08);
    border:1px solid var(--line);
  }
  @media (max-width:900px){
    .countdown-wrap{grid-template-columns:1fr;}
    .countdown-card{padding:28px 22px;}
    .clock{gap:10px;}
    .clock-unit{min-width:0;flex:1 1 calc(50% - 10px);padding:14px 8px;}
  }

  /* ============ 订阅表单 ============ */
  .subscribe-card{
    border-radius:26px;
    padding:40px 36px;
    background:
      radial-gradient(600px 300px at 12% 0%, rgba(34,211,238,.16), transparent 62%),
      linear-gradient(150deg,rgba(18,40,74,.80),rgba(8,17,31,.92));
    border:1px solid var(--line);
    box-shadow:var(--shadow-glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    display:grid;
    grid-template-columns:1.05fr 1fr;
    gap:36px;
    align-items:center;
  }
  .subscribe-card h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.35;}
  .subscribe-card .desc{margin-top:14px;font-size:15px;color:var(--tx-2);line-height:1.8;}
  .form-row{display:flex;gap:12px;flex-wrap:wrap;}
  .field{
    flex:1 1 220px;
    min-width:0;
  }
  .field input{
    width:100%;
    padding:15px 18px;
    border-radius:var(--r-btn);
    font-size:15px;
    color:var(--tx-1);
    background:rgba(5,11,20,.72);
    border:1px solid var(--line);
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .field input::placeholder{color:var(--tx-3);}
  .field input:focus{
    outline:none;
    border-color:var(--cyan);
    box-shadow:0 0 0 4px rgba(34,211,238,.16), 0 0 20px rgba(34,211,238,.28);
  }
  .privacy{margin-top:14px;font-size:12.5px;color:var(--tx-3);line-height:1.7;}
  .form-msg{margin-top:12px;font-size:13.5px;min-height:20px;}
  .form-msg.ok{color:var(--mint);}
  .form-msg.err{color:var(--orange);}
  @media (max-width:900px){
    .subscribe-card{grid-template-columns:1fr;padding:30px 22px;gap:24px;}
    .form-row .btn{width:100%;}
  }

  /* ============ 分类快捷 ============ */
  .quick-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:18px;
    margin-top:26px;
  }
  .quick-card{
    padding:24px 22px;
    border-radius:20px;
    background:linear-gradient(180deg,rgba(18,40,74,.52),rgba(11,27,51,.84));
    border:1px solid var(--line);
    transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
  }
  .quick-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 22px 44px rgba(0,0,0,.4);}
  .quick-card .idx{font-size:12.5px;color:var(--cyan);letter-spacing:1.5px;}
  .quick-card h3{margin-top:10px;font-size:17px;}
  .quick-card p{margin-top:8px;font-size:13.5px;color:var(--tx-2);line-height:1.7;}
  @media (max-width:1024px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (max-width:520px){.quick-grid{grid-template-columns:1fr;}}

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
  .faq-item{
    border-radius:20px;
    background:rgba(11,27,51,.72);
    border:1px solid var(--line);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    overflow:hidden;
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .faq-item:hover{border-color:var(--line-2);}
  .faq-item.is-open{border-color:var(--line-2);box-shadow:0 0 26px rgba(34,211,238,.14);}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 24px;
    text-align:left;
    font-size:16.5px;font-weight:600;color:var(--tx-1);
  }
  .faq-q .ic{
    flex-shrink:0;
    width:28px;height:28px;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);
    color:var(--cyan);
    transition:transform .3s ease, background .3s ease;
  }
  .faq-item.is-open .faq-q .ic{transform:rotate(45deg);background:rgba(34,211,238,.14);}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .35s ease;
  }
  .faq-a p{
    padding:0 24px 22px;
    font-size:14.5px;color:var(--tx-2);line-height:1.85;
  }

  /* ============ 底部 CTA ============ */
  .cta-band{
    border-radius:26px;
    padding:44px 38px;
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    background:
      radial-gradient(520px 260px at 88% 10%, rgba(255,107,53,.16), transparent 62%),
      linear-gradient(140deg,rgba(18,40,74,.86),rgba(8,17,31,.95));
    border:1px solid var(--line);
    box-shadow:var(--shadow-glass);
  }
  .cta-band h2{font-size:clamp(21px,2.6vw,28px);line-height:1.4;}
  .cta-band p{margin-top:10px;font-size:14.5px;color:var(--tx-2);}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}
  @media (max-width:820px){
    .cta-band{flex-direction:column;align-items:flex-start;padding:30px 22px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 100%;}
  }

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:80px;
    background:linear-gradient(180deg,rgba(8,17,31,.4),rgba(5,11,20,.98));
    border-top:1px solid var(--line);
    position:relative;z-index:1;
  }
  .site-footer .brand-mark{width:32px;height:32px;font-size:16px;}
  .footer-title{font-size:14px;font-weight:700;color:var(--tx-1);letter-spacing:.6px;}
  .footer-link{
    display:block;
    padding:7px 0;
    font-size:14px;color:var(--tx-2);
    transition:color .22s ease, transform .22s ease;
  }
  .footer-link:hover{color:var(--cyan);transform:translateX(3px);}
  .footer-bottom{
    border-top:1px solid var(--line);
    font-size:13px;color:var(--tx-3);
  }

  @keyframes pulseDot{
    0%,100%{opacity:1;transform:scale(1);}
    50%{opacity:.45;transform:scale(.82);}
  }
  @keyframes clockPulse{
    0%,100%{opacity:1;}
    50%{opacity:.82;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category2 */
:root{
  --bg:#050B14;
  --bg-2:#08111F;
  --bg-3:#0B1628;
  --panel:#0B1B33;
  --panel-2:#12284A;
  --cyan:#22D3EE;
  --cyan-2:#38BDF8;
  --orange:#FF6B35;
  --mint:#34D399;
  --violet:#8B5CF6;
  --tx:#EAF2FF;
  --tx-2:#9FB3C8;
  --tx-3:#6B8199;
  --line:rgba(120,190,255,.16);
  --line-hi:rgba(120,220,255,.35);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-card:0 20px 50px rgba(0,0,0,.35);
  --shadow-glass:0 8px 32px rgba(0,0,0,.4);
  --glow:0 0 24px rgba(34,211,238,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 8% -6%, rgba(34,211,238,.16), transparent 62%),
    radial-gradient(620px 460px at 96% 92%, rgba(255,107,53,.11), transparent 66%),
    radial-gradient(420px 320px at 72% 12%, rgba(139,92,246,.10), transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.22}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(34,211,238,.32)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));
  z-index:90;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(8,18,36,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#04141F;
  background:linear-gradient(135deg,var(--cyan),#0E7490);
  box-shadow:var(--glow);
}
.brand-name{font-weight:700;font-size:16px;letter-spacing:.02em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:8px 15px;border-radius:999px;font-size:14px;color:var(--tx-2);
  transition:color .25s,background .25s,box-shadow .25s;white-space:nowrap;
}
.nav-link:hover{color:var(--tx);background:rgba(34,211,238,.09)}
.nav-link.is-active{
  color:#031018;font-weight:600;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-2));
  box-shadow:0 0 18px rgba(34,211,238,.32);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-cta{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:#04141F;
  background:linear-gradient(135deg,var(--cyan),#0E7490);
  box-shadow:var(--glow);
  transition:transform .25s,box-shadow .25s,filter .25s;
}
.dock-cta:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 0 32px rgba(34,211,238,.5)}
.dock-cta:active{transform:scale(.98)}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:50%;
  background:rgba(11,27,51,.75);border:1px solid var(--line);color:var(--tx);
  place-items:center;cursor:pointer;transition:background .25s,border-color .25s;
}
.dock-toggle:hover{background:rgba(34,211,238,.12);border-color:var(--line-hi)}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,filter .25s;
}
.btn-primary{
  color:#04141F;
  background:linear-gradient(135deg,var(--cyan),#0E7490);
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 34px rgba(34,211,238,.55)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:rgba(11,27,51,.6);border-color:var(--line);color:var(--tx);
}
.btn-ghost:hover{background:rgba(34,211,238,.10);border-color:var(--line-hi);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  color:var(--tx-2);background:rgba(11,27,51,.6);border:1px solid var(--line);
}
.badge-live{color:var(--cyan);border-color:rgba(34,211,238,.4)}
.badge-live::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);animation:pulse 1.9s infinite;
}
.chip{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
  font-size:12.5px;color:var(--tx-2);border:1px solid var(--line);background:rgba(5,11,20,.5);
}
.chip-mint{color:#6EE7B7;border-color:rgba(52,211,153,.45)}
.chip-violet{color:#C4B5FD;border-color:rgba(139,92,246,.45)}
.chip-orange{color:#FDBA8C;border-color:rgba(255,107,53,.5)}
.chip-cyan{color:#67E8F9;border-color:rgba(34,211,238,.45)}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:168px 0 92px;
  background-image:linear-gradient(115deg,rgba(5,11,20,.94) 12%,rgba(5,11,20,.72) 52%,rgba(5,11,20,.88) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:180px;
  background:linear-gradient(180deg,transparent,var(--bg));pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:52px;align-items:center;
}
.hero h1{
  font-size:clamp(34px,5vw,60px);font-weight:800;line-height:1.14;
  letter-spacing:-.01em;margin-top:20px;
  background:linear-gradient(120deg,#FFFFFF 30%,#8FE9F7 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--tx-2);font-size:17px;max-width:600px;margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-direction:column;gap:10px;margin-top:34px}
.hero-meta li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--tx-2)}
.hero-meta svg{flex-shrink:0;margin-top:5px;color:var(--cyan)}

.glass-card{
  background:rgba(8,18,36,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-glass);overflow:hidden;
}
.featured-card{transition:transform .3s,border-color .3s,box-shadow .3s}
.featured-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:0 26px 60px rgba(0,0,0,.45)}
.cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.featured-card:hover .cover img{transform:scale(1.03)}
.cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,20,.08) 0%,rgba(5,11,20,.82) 100%);
}
.cover-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:#04141F;background:linear-gradient(135deg,var(--cyan),var(--cyan-2));
  box-shadow:0 0 18px rgba(34,211,238,.4);
}
.cover-tag.warm{background:linear-gradient(135deg,#FF8A5B,var(--orange));color:#1B0A03;box-shadow:0 0 18px rgba(255,107,53,.4)}
.cover-time{
  position:absolute;right:14px;bottom:14px;z-index:2;
  padding:4px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(5,11,20,.78);border:1px solid var(--line);color:var(--tx);
  font-variant-numeric:tabular-nums;
}
.card-body{padding:22px 24px 24px}
.card-body h3{font-size:20px;font-weight:700;line-height:1.35}
.card-body p{color:var(--tx-2);font-size:14.5px;margin-top:10px}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:14px;font-size:13px;color:var(--tx-3);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--tx-3);opacity:.6}

.mini-card{
  margin-top:18px;padding:16px 20px;border-radius:var(--r-md);
  background:rgba(8,18,36,.66);border:1px solid var(--line);
  display:flex;align-items:center;gap:14px;
}
.mini-card .num-big{
  font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;color:var(--cyan);
  text-shadow:0 0 18px rgba(34,211,238,.5);line-height:1;
}
.mini-card span{font-size:13.5px;color:var(--tx-2)}

/* ============ 板块通用 ============ */
.section{padding:92px 0;position:relative;z-index:1}
.section-alt{background:linear-gradient(180deg,rgba(8,17,31,.7),rgba(5,11,20,.92))}
.section-head{max-width:740px;margin-bottom:36px}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.005em}
.section-sub{color:var(--tx-2);font-size:15.5px;margin-top:12px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.section-eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);opacity:.7}

/* ============ 标签筛选 ============ */
.tag-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.tag-btn{
  padding:9px 18px;border-radius:999px;font-size:14px;cursor:pointer;
  color:var(--tx-2);background:rgba(11,27,51,.6);border:1px solid var(--line);
  transition:color .25s,background .25s,border-color .25s,transform .25s;
}
.tag-btn:hover{color:var(--tx);border-color:var(--line-hi);transform:translateY(-1px)}
.tag-btn.is-active{
  color:#04141F;font-weight:600;border-color:transparent;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-2));
  box-shadow:0 0 20px rgba(34,211,238,.3);
}

/* ============ 非对称版面 ============ */
.asym-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:28px;align-items:start}
.pick-card{
  border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(150deg,rgba(11,27,51,.9),rgba(8,17,31,.72));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .3s,border-color .3s;
}
.pick-card:hover{transform:translateY(-4px);border-color:var(--line-hi)}
.pick-card .cover{aspect-ratio:16/10}
.pick-body{padding:26px 26px 28px}
.pick-body h3{font-size:22px;font-weight:700}
.pick-body p{color:var(--tx-2);font-size:15px;margin-top:12px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

.num-list{display:flex;flex-direction:column;gap:14px}
.num-item{
  display:grid;grid-template-columns:58px minmax(0,1fr);gap:18px;
  padding:20px 22px;border-radius:var(--r-md);
  background:linear-gradient(140deg,rgba(11,27,51,.82),rgba(8,17,31,.66));
  border:1px solid var(--line);
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.num-item:hover{
  transform:translateY(-3px);border-color:var(--line-hi);
  box-shadow:0 20px 50px rgba(0,0,0,.38);
}
.num-item.is-hidden{display:none}
.num{
  font-variant-numeric:tabular-nums;font-size:24px;font-weight:800;line-height:1;
  color:var(--cyan);text-shadow:0 0 16px rgba(34,211,238,.45);padding-top:4px;
}
.num-item h3{font-size:17.5px;font-weight:700;line-height:1.4}
.num-item p{color:var(--tx-2);font-size:14.5px;margin-top:8px}

/* ============ 步骤 / 数据 ============ */
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:44px}
.stat{
  padding:22px 24px;border-radius:var(--r-md);
  background:rgba(11,27,51,.6);border:1px solid var(--line);
}
.stat .val{
  font-variant-numeric:tabular-nums;font-size:28px;font-weight:800;color:var(--cyan);
  text-shadow:0 0 20px rgba(34,211,238,.4);line-height:1.1;
}
.stat .lbl{font-size:13.5px;color:var(--tx-2);margin-top:8px}

.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  padding:26px 24px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(11,27,51,.78),rgba(8,17,31,.6));
  border:1px solid var(--line);position:relative;overflow:hidden;
  transition:transform .28s,border-color .28s;
}
.step:hover{transform:translateY(-3px);border-color:var(--line-hi)}
.step::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}
.step-num{
  font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;
  letter-spacing:.14em;color:var(--cyan);
}
.step h3{font-size:17px;font-weight:700;margin-top:12px}
.step p{color:var(--tx-2);font-size:14px;margin-top:10px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  border-radius:var(--r-md);overflow:hidden;
  background:rgba(8,18,36,.66);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);transition:border-color .28s,box-shadow .28s;
}
.faq-item:hover{border-color:var(--line-hi)}
.faq-item.is-open{border-color:rgba(34,211,238,.42);box-shadow:0 0 26px rgba(34,211,238,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--tx);transition:color .25s;
}
.faq-q:hover{color:var(--cyan)}
.faq-q svg{flex-shrink:0;color:var(--cyan);transition:transform .3s}
.faq-item.is-open .faq-q svg{transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;color:var(--tx-2);font-size:15px}
.faq-a p{padding:0 24px 22px}
.faq-item.is-open .faq-a{max-height:420px}

/* ============ CTA / 订阅 ============ */
.cta-panel{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:36px;
  padding:44px;border-radius:28px;
  background:rgba(8,18,36,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);box-shadow:var(--shadow-glass);
}
.cta-panel h2{font-size:clamp(24px,3vw,34px);font-weight:700}
.cta-panel p{color:var(--tx-2);font-size:15.5px;margin-top:14px}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.field{
  flex:1 1 230px;min-width:0;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(5,11,20,.78);border:1px solid var(--line);color:var(--tx);
  transition:border-color .25s,box-shadow .25s,background .25s;
}
.field::placeholder{color:var(--tx-3)}
.field:hover{border-color:var(--line-hi)}
.field:focus{outline:none;border-color:rgba(34,211,238,.68);box-shadow:0 0 0 4px rgba(34,211,238,.14);background:rgba(5,11,20,.92)}
.form-note{font-size:13px;color:var(--tx-3);margin-top:14px}
.form-msg{margin-top:14px;font-size:14px;color:var(--mint);display:none}
.form-msg.is-visible{display:block}
.cta-side{
  padding:24px;border-radius:var(--r-md);
  background:rgba(11,27,51,.68);border:1px solid var(--line);
}
.cta-side ul{display:flex;flex-direction:column;gap:12px;margin-top:14px}
.cta-side li{display:flex;gap:10px;font-size:14.5px;color:var(--tx-2)}
.cta-side svg{flex-shrink:0;margin-top:5px;color:var(--mint)}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:20px}
.crumb a{transition:color .25s}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{opacity:.5}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);border-top:1px solid var(--line);
  position:relative;z-index:1;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  width:min(680px,80%);height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--tx);margin:0}
.footer-link{
  display:block;color:var(--tx-2);font-size:14px;padding:6px 0;
  transition:color .25s,transform .25s;
}
.footer-link:hover{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(120,190,255,.1);
  color:var(--tx-3);font-size:13px;
}

@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.55;transform:scale(.82)}
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .hero{padding:150px 0 70px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .asym-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:30px}
  .stat-row{grid-template-columns:1fr;gap:14px}
}
@media (max-width:900px){
  .dock{border-radius:26px;flex-wrap:wrap;gap:12px;padding:10px 12px 10px 16px}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    padding:10px;border-radius:22px;
    background:rgba(8,18,36,.97);
    border:1px solid var(--line);box-shadow:var(--shadow-glass);
    display:none;
  }
  .dock-nav.is-open{display:flex}
  .nav-link{padding:12px 16px;border-radius:14px;font-size:15px}
  .dock-actions{margin-left:auto}
  .dock-toggle{display:grid}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .hero{padding:132px 0 56px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .dock-cta{display:none}
  .steps{grid-template-columns:1fr}
  .num-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px}
  .num{font-size:20px}
  .pick-body{padding:20px}
  .card-body{padding:18px 18px 20px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 18px}
  .cta-panel{padding:22px;border-radius:22px}
  .sub-form .btn{width:100%}
  .stat .val{font-size:24px}
}
@media (max-width:520px){
  .brand-name{font-size:15px}
  .hero h1{font-size:clamp(30px,8vw,40px)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
    --bg-0:#050B14;
    --bg-1:#08111F;
    --bg-2:#0B1628;
    --panel:#0B1B33;
    --panel-2:#12284A;
    --cy:#22D3EE;
    --orange:#FF6B35;
    --mint:#34D399;
    --violet:#8B5CF6;
    --tx-1:#EAF2FF;
    --tx-2:#9FB3C8;
    --tx-3:#6B8199;
    --bd:rgba(120,190,255,.16);
    --bd-hi:rgba(120,220,255,.35);
    --r-lg:24px;
    --r-md:20px;
    --r-sm:14px;
    --shadow-card:0 20px 50px rgba(0,0,0,.35);
    --shadow-glass:0 8px 32px rgba(0,0,0,.4);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--tx-1);
    font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(720px 520px at 8% -6%, rgba(34,211,238,.18), transparent 62%),
      radial-gradient(680px 520px at 96% 104%, rgba(255,107,53,.13), transparent 60%),
      radial-gradient(460px 360px at 82% 12%, rgba(139,92,246,.10), transparent 65%),
      linear-gradient(180deg, var(--bg-0), var(--bg-1) 55%, var(--bg-0));
  }
  body::after{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    opacity:.35;
    background-image:linear-gradient(rgba(120,190,255,.045) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(120,190,255,.045) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ::selection{background:rgba(34,211,238,.32);color:#fff;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 28px;
    position:relative;
    z-index:1;
  }
  .section{padding:88px 0;position:relative;z-index:1;}
  .section-tight{padding:60px 0;}

  /* ===== 浮动 Dock 导航 ===== */
  .dock{
    position:fixed;
    top:16px;
    left:50%;
    transform:translateX(-50%);
    width:min(1180px, calc(100% - 32px));
    display:flex;
    align-items:center;
    gap:16px;
    padding:10px 14px 10px 18px;
    border-radius:999px;
    background:rgba(8,18,36,.72);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border:1px solid var(--bd);
    box-shadow:var(--shadow-glass);
    z-index:60;
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .dock:hover{border-color:var(--bd-hi);}
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:34px;
    height:34px;
    border-radius:11px;
    display:grid;
    place-items:center;
    background:linear-gradient(135deg,#22D3EE,#0B1B33 88%);
    color:#04141d;
    font-weight:800;
    font-size:17px;
    box-shadow:0 0 18px rgba(34,211,238,.42);
  }
  .brand-name{
    font-weight:700;
    font-size:16px;
    letter-spacing:.4px;
    white-space:nowrap;
  }
  .dock-nav{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
  }
  .nav-link{
    padding:9px 16px;
    border-radius:999px;
    color:var(--tx-2);
    font-size:15px;
    white-space:nowrap;
    transition:color .25s ease, background .25s ease, box-shadow .25s ease;
  }
  .nav-link:hover{color:var(--tx-1);background:rgba(34,211,238,.10);}
  .nav-link.is-active{
    color:#EAF2FF;
    background:rgba(34,211,238,.15);
    box-shadow:inset 0 0 0 1px rgba(34,211,238,.38);
  }
  .dock-actions{
    display:flex;
    align-items:center;
    gap:10px;
    margin-left:6px;
  }
  .dock-cta{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:10px 20px;
    border-radius:999px;
    font-size:14px;
    font-weight:600;
    color:#04141d;
    background:linear-gradient(135deg,#5BE7F7,#22D3EE 55%,#0EA5C4);
    box-shadow:0 0 24px rgba(34,211,238,.35);
    transition:transform .22s ease, box-shadow .22s ease, filter .22s ease;
  }
  .dock-cta:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.5);filter:brightness(1.06);}
  .dock-cta:active{transform:scale(.98);}
  .dock-toggle{
    display:none;
    width:40px;
    height:40px;
    border-radius:999px;
    align-items:center;
    justify-content:center;
    background:rgba(34,211,238,.12);
    border:1px solid var(--bd);
    color:var(--tx-1);
    cursor:pointer;
    transition:background .22s ease, border-color .22s ease;
  }
  .dock-toggle:hover{background:rgba(34,211,238,.2);border-color:var(--bd-hi);}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    padding:14px 28px;
    border-radius:14px;
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, filter .22s ease;
    line-height:1.2;
  }
  .btn-primary{
    color:#04141d;
    background:linear-gradient(135deg,#5BE7F7,#22D3EE 52%,#0EA5C4);
    box-shadow:0 0 24px rgba(34,211,238,.35);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(34,211,238,.52);filter:brightness(1.06);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    color:var(--tx-1);
    background:rgba(11,27,51,.55);
    border-color:rgba(34,211,238,.38);
  }
  .btn-ghost:hover{background:rgba(34,211,238,.12);border-color:var(--bd-hi);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn:focus-visible,.dock-cta:focus-visible,.nav-link:focus-visible,.chip:focus-visible{
    outline:2px solid var(--cy);
    outline-offset:3px;
  }
  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--cy);
    font-size:14px;
    font-weight:600;
    border-bottom:1px solid rgba(34,211,238,.4);
    padding-bottom:2px;
    transition:color .22s ease, border-color .22s ease;
  }
  .link-arrow:hover{color:#9BF1FB;border-color:#9BF1FB;}

  /* ===== 徽章 / 标签 ===== */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:5px 14px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    letter-spacing:.2px;
    border:1px solid var(--bd);
    background:rgba(11,27,51,.6);
    color:var(--tx-2);
  }
  .badge-cy{color:#9BF1FB;border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.10);}
  .badge-orange{color:#FFC2A6;border-color:rgba(255,107,53,.42);background:rgba(255,107,53,.12);}
  .badge-mint{color:#A7F3D0;border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.12);}
  .badge-violet{color:#DDD0FF;border-color:rgba(139,92,246,.4);background:rgba(139,92,246,.14);}
  .dot{
    width:7px;height:7px;border-radius:999px;background:currentColor;display:inline-block;
    box-shadow:0 0 10px currentColor;
  }

  /* ===== 内页 Hero ===== */
  .hero-inner{
    position:relative;
    padding:150px 0 74px;
    overflow:hidden;
  }
  .hero-bg{
    position:absolute;
    inset:0;
    z-index:0;
  }
  .hero-bg img{
    width:100%;
    height:100%;
    object-fit:cover;
    opacity:.34;
  }
  .hero-bg::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(100deg, rgba(5,11,20,.96) 0%, rgba(5,11,20,.84) 46%, rgba(5,11,20,.62) 100%);
  }
  .hero-inner .container{position:relative;z-index:2;}
  .breadcrumb{
    font-size:13px;
    color:var(--tx-3);
    margin-bottom:22px;
    display:flex;
    align-items:center;
    gap:8px;
    flex-wrap:wrap;
  }
  .breadcrumb a{color:var(--tx-2);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--cy);}
  .breadcrumb span{opacity:.5;}
  .hero-inner h1{
    font-size:clamp(34px,5vw,60px);
    font-weight:800;
    line-height:1.14;
    margin:18px 0 0;
    letter-spacing:-.5px;
  }
  .hero-inner h1 em{
    font-style:normal;
    color:var(--cy);
    text-shadow:0 0 28px rgba(34,211,238,.45);
  }
  .hero-sub{
    max-width:680px;
    color:var(--tx-2);
    font-size:17px;
    line-height:1.85;
    margin:20px 0 0;
  }
  .hero-actions{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    margin-top:32px;
  }
  .hero-stats{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:18px;
    margin-top:48px;
    padding:22px 24px;
    border-radius:var(--r-md);
    background:rgba(8,18,36,.62);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--bd);
    box-shadow:var(--shadow-glass);
  }
  .stat-num{
    font-size:clamp(22px,3vw,30px);
    font-weight:800;
    color:var(--cy);
    font-variant-numeric:tabular-nums;
    line-height:1.2;
  }
  .stat-label{
    font-size:13px;
    color:var(--tx-3);
    margin-top:4px;
  }

  /* ===== 板块标题 ===== */
  .sec-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
    margin-bottom:34px;
  }
  .sec-title{
    font-size:clamp(24px,3vw,36px);
    font-weight:700;
    line-height:1.24;
    margin:0;
    letter-spacing:-.3px;
  }
  .sec-title::before{
    content:"";
    display:block;
    width:46px;
    height:3px;
    border-radius:999px;
    background:linear-gradient(90deg,var(--cy),transparent);
    box-shadow:0 0 18px rgba(34,211,238,.6);
    margin-bottom:14px;
  }
  .sec-desc{
    color:var(--tx-2);
    font-size:15px;
    max-width:560px;
    margin:12px 0 0;
  }

  /* ===== 筛选标签 ===== */
  .filter-bar{
    display:flex;
    align-items:center;
    gap:10px;
    flex-wrap:wrap;
    padding:14px 16px;
    border-radius:999px;
    background:rgba(8,18,36,.6);
    border:1px solid var(--bd);
    box-shadow:var(--shadow-glass);
  }
  .chip{
    padding:9px 20px;
    border-radius:999px;
    font-size:14px;
    font-weight:600;
    color:var(--tx-2);
    background:rgba(11,27,51,.6);
    border:1px solid var(--bd);
    cursor:pointer;
    transition:color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease;
  }
  .chip:hover{color:var(--tx-1);border-color:var(--bd-hi);background:rgba(34,211,238,.12);}
  .chip.is-on{
    color:#04141d;
    background:linear-gradient(135deg,#5BE7F7,#22D3EE);
    border-color:transparent;
    box-shadow:0 0 20px rgba(34,211,238,.35);
  }
  .filter-note{
    margin-left:auto;
    font-size:13px;
    color:var(--tx-3);
    font-variant-numeric:tabular-nums;
  }

  /* ===== 回放卡网格 ===== */
  .replay-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:26px;
    margin-top:34px;
  }
  .replay-card{
    display:flex;
    flex-direction:column;
    background:linear-gradient(180deg, rgba(18,40,74,.55), rgba(11,27,51,.72));
    border:1px solid var(--bd);
    border-radius:var(--r-md);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
  }
  .replay-card:hover{
    transform:translateY(-4px);
    border-color:var(--bd-hi);
    box-shadow:0 26px 60px rgba(0,0,0,.45), 0 0 0 1px rgba(34,211,238,.12);
  }
  .thumb{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
    background:var(--panel-2);
  }
  .thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .38s ease;
  }
  .replay-card:hover .thumb img{transform:scale(1.04);}
  .thumb::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(5,11,20,.06) 40%, rgba(5,11,20,.72) 100%);
  }
  .thumb-tag{
    position:absolute;
    top:12px;
    left:12px;
    z-index:2;
  }
  .duration{
    position:absolute;
    right:12px;
    bottom:12px;
    z-index:2;
    padding:3px 11px;
    border-radius:999px;
    font-size:13px;
    font-variant-numeric:tabular-nums;
    color:#EAF2FF;
    background:rgba(5,11,20,.84);
    border:1px solid var(--bd);
  }
  .play-btn{
    position:absolute;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
    width:56px;
    height:56px;
    border-radius:999px;
    display:grid;
    place-items:center;
    z-index:2;
    background:rgba(8,18,36,.58);
    border:1px solid rgba(34,211,238,.5);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
    color:#9BF1FB;
    box-shadow:0 0 24px rgba(34,211,238,.28);
    transition:transform .26s ease, background .26s ease;
  }
  .replay-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.08);background:rgba(34,211,238,.24);}
  .card-body{
    padding:22px 24px 24px;
    display:flex;
    flex-direction:column;
    gap:12px;
    flex:1;
  }
  .card-body h3{
    font-size:20px;
    font-weight:700;
    line-height:1.4;
    margin:0;
  }
  .card-body p{
    margin:0;
    color:var(--tx-2);
    font-size:14.5px;
    line-height:1.78;
  }
  .card-meta{
    display:flex;
    align-items:center;
    gap:14px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--tx-3);
    font-variant-numeric:tabular-nums;
  }
  .card-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    margin-top:auto;
    padding-top:6px;
    flex-wrap:wrap;
  }
  .card-foot .btn{padding:10px 20px;font-size:14px;}

  /* ===== 待上线占位卡 ===== */
  .replay-card.is-pending{
    border-style:dashed;
    border-color:rgba(255,107,53,.34);
    background:linear-gradient(180deg, rgba(255,107,53,.06), rgba(11,27,51,.6));
  }
  .pending-visual{
    aspect-ratio:16/9;
    display:grid;
    place-items:center;
    background:repeating-linear-gradient(135deg, rgba(255,107,53,.07) 0 12px, transparent 12px 24px);
    color:#FFC2A6;
    font-size:14px;
    letter-spacing:.4px;
  }

  /* ===== 分页 ===== */
  .pager{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    margin-top:46px;
    flex-wrap:wrap;
  }
  .pager a,.pager span{
    min-width:44px;
    height:44px;
    padding:0 16px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    font-size:14px;
    font-weight:600;
    color:var(--tx-2);
    background:rgba(11,27,51,.6);
    border:1px solid var(--bd);
    font-variant-numeric:tabular-nums;
    transition:color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease;
  }
  .pager a:hover{color:var(--tx-1);border-color:var(--bd-hi);background:rgba(34,211,238,.12);transform:translateY(-2px);}
  .pager .is-current{
    color:#04141d;
    background:linear-gradient(135deg,#5BE7F7,#22D3EE);
    border-color:transparent;
    box-shadow:0 0 20px rgba(34,211,238,.35);
  }
  .pager .is-disabled{opacity:.45;cursor:not-allowed;}

  /* ===== 使用流程 / 场景 ===== */
  .split{
    display:grid;
    grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
    gap:48px;
    align-items:start;
  }
  .split-note{
    color:var(--tx-2);
    font-size:15.5px;
    margin-top:16px;
  }
  .step-list{
    display:grid;
    gap:16px;
    margin:0;
    padding:0;
    list-style:none;
  }
  .step-item{
    display:flex;
    gap:18px;
    padding:20px 22px;
    border-radius:var(--r-md);
    background:rgba(11,27,51,.56);
    border:1px solid var(--bd);
    transition:border-color .26s ease, transform .26s ease, background .26s ease;
  }
  .step-item:hover{border-color:var(--bd-hi);transform:translateY(-3px);background:rgba(18,40,74,.6);}
  .step-no{
    flex:0 0 auto;
    width:44px;
    height:44px;
    border-radius:13px;
    display:grid;
    place-items:center;
    font-weight:800;
    font-size:15px;
    color:#9BF1FB;
    background:rgba(34,211,238,.12);
    border:1px solid rgba(34,211,238,.34);
    font-variant-numeric:tabular-nums;
  }
  .step-item h3{font-size:17px;font-weight:700;margin:0 0 6px;}
  .step-item p{margin:0;color:var(--tx-2);font-size:14.5px;}

  /* ===== 看点/卖点条 ===== */
  .value-strip{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:18px;
    margin-top:34px;
  }
  .value-card{
    padding:26px 24px;
    border-radius:var(--r-md);
    background:linear-gradient(180deg, rgba(18,40,74,.5), rgba(11,27,51,.7));
    border:1px solid var(--bd);
    box-shadow:var(--shadow-card);
    transition:transform .26s ease, border-color .26s ease;
  }
  .value-card:hover{transform:translateY(-4px);border-color:var(--bd-hi);}
  .value-icon{
    width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
    background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);color:#9BF1FB;
    margin-bottom:16px;
  }
  .value-card h3{font-size:17px;font-weight:700;margin:0 0 8px;}
  .value-card p{margin:0;color:var(--tx-2);font-size:14.5px;}

  /* ===== 订阅表单 ===== */
  .subscribe-wrap{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:40px;
    align-items:center;
    padding:44px;
    border-radius:28px;
    background:rgba(8,18,36,.68);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border:1px solid var(--bd);
    box-shadow:var(--shadow-glass);
  }
  .subscribe-wrap h2{
    font-size:clamp(23px,2.6vw,32px);
    font-weight:700;
    margin:14px 0 12px;
    line-height:1.28;
  }
  .subscribe-wrap p{color:var(--tx-2);font-size:15px;margin:0;}
  .sub-form{display:grid;gap:14px;}
  .field{
    display:flex;
    align-items:center;
    gap:10px;
    padding:4px 6px 4px 18px;
    border-radius:14px;
    background:rgba(5,11,20,.72);
    border:1px solid var(--bd);
    transition:border-color .22s ease, box-shadow .22s ease;
  }
  .field:focus-within{border-color:rgba(34,211,238,.6);box-shadow:0 0 0 4px rgba(34,211,238,.14);}
  .field input{
    flex:1;
    min-width:0;
    background:transparent;
    border:0;
    outline:none;
    color:var(--tx-1);
    font-size:15px;
    padding:14px 0;
    font-family:inherit;
  }
  .field input::placeholder{color:var(--tx-3);}
  .form-note{font-size:13px;color:var(--tx-3);line-height:1.6;}

  /* ===== FAQ ===== */
  .faq-list{display:grid;gap:14px;margin-top:34px;}
  .faq-item{
    border-radius:var(--r-md);
    background:rgba(11,27,51,.6);
    border:1px solid var(--bd);
    overflow:hidden;
    transition:border-color .24s ease, background .24s ease;
  }
  .faq-item:hover{border-color:var(--bd-hi);}
  .faq-item.is-open{border-color:rgba(34,211,238,.42);background:rgba(18,40,74,.62);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:20px 24px;
    background:none;
    border:0;
    color:var(--tx-1);
    font-size:17px;
    font-weight:600;
    text-align:left;
    cursor:pointer;
    line-height:1.5;
  }
  .faq-icon{
    flex:0 0 auto;
    width:28px;height:28px;border-radius:999px;
    display:grid;place-items:center;
    color:#9BF1FB;
    background:rgba(34,211,238,.12);
    border:1px solid rgba(34,211,238,.3);
    transition:transform .28s ease, background .28s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(34,211,238,.24);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .32s ease, padding .32s ease;
    padding:0 24px;
    color:var(--tx-2);
    font-size:15px;
    line-height:1.85;
  }
  .faq-item.is-open .faq-a{max-height:340px;padding-bottom:22px;}

  /* ===== 底部 CTA ===== */
  .cta-panel{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    flex-wrap:wrap;
    padding:46px 48px;
    border-radius:28px;
    background:
      radial-gradient(520px 260px at 88% 0%, rgba(34,211,238,.18), transparent 62%),
      linear-gradient(120deg, rgba(18,40,74,.85), rgba(11,27,51,.9));
    border:1px solid var(--bd);
    box-shadow:var(--shadow-card);
  }
  .cta-panel h2{
    font-size:clamp(23px,2.6vw,32px);
    font-weight:700;
    margin:0 0 10px;
    line-height:1.28;
  }
  .cta-panel p{color:var(--tx-2);font-size:15px;margin:0;max-width:560px;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

  /* ===== 页脚 ===== */
  .site-footer{
    margin-top:84px;
    background:linear-gradient(180deg, rgba(8,17,31,.4), rgba(5,11,20,.96));
    border-top:1px solid var(--bd);
    position:relative;
    z-index:1;
  }
  .site-footer::before{
    content:"";
    position:absolute;
    top:-1px;left:50%;
    transform:translateX(-50%);
    width:min(680px,80%);
    height:1px;
    background:linear-gradient(90deg, transparent, rgba(34,211,238,.55), transparent);
  }
  .footer-title{
    font-size:14px;
    font-weight:700;
    letter-spacing:.6px;
    color:var(--tx-1);
    margin:0;
  }
  .footer-link{
    display:block;
    color:var(--tx-2);
    font-size:14px;
    padding:6px 0;
    transition:color .22s ease, transform .22s ease;
  }
  .footer-link:hover{color:var(--cy);transform:translateX(3px);}
  .footer-bottom{
    border-top:1px solid rgba(120,190,255,.1);
    background:rgba(5,11,20,.6);
    color:var(--tx-3);
    font-size:13px;
  }

  /* ===== 响应式 ===== */
  @media (max-width:1024px){
    .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
    .value-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
    .split{grid-template-columns:1fr;gap:32px;}
    .subscribe-wrap{grid-template-columns:1fr;padding:34px;}
    .cta-panel{padding:36px;}
  }
  @media (max-width:900px){
    .dock{padding:10px 12px;border-radius:26px;flex-wrap:wrap;}
    .dock-nav{
      display:none;
      position:absolute;
      top:calc(100% + 12px);
      left:0;
      right:0;
      flex-direction:column;
      align-items:stretch;
      gap:6px;
      margin:0;
      padding:14px;
      border-radius:22px;
      background:rgba(8,18,36,.97);
      border:1px solid var(--bd);
      box-shadow:var(--shadow-glass);
    }
    .dock.dock-open .dock-nav{display:flex;}
    .nav-link{padding:12px 16px;font-size:15px;text-align:center;}
    .dock-actions{margin-left:auto;}
    .dock-cta{display:none;}
    .dock-toggle{display:inline-flex;}
    .hero-inner{padding:126px 0 56px;}
  }
  @media (max-width:820px){
    .replay-grid{grid-template-columns:1fr;gap:20px;}
    .section{padding:60px 0;}
    .section-tight{padding:46px 0;}
  }
  @media (max-width:520px){
    .container{padding:0 18px;}
    .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:18px;}
    .value-strip{grid-template-columns:1fr;}
    .hero-actions .btn{width:100%;}
    .card-body{padding:18px 18px 20px;}
    .faq-q{font-size:16px;padding:17px 18px;}
    .faq-a{padding:0 18px;}
    .faq-item.is-open .faq-a{padding-bottom:18px;}
    .cta-panel{padding:28px 22px;border-radius:22px;}
    .subscribe-wrap{padding:26px 20px;border-radius:22px;}
    .dock{width:calc(100% - 20px);top:10px;}
    .brand-name{font-size:15px;}
    .pager a,.pager span{min-width:40px;height:40px;padding:0 13px;font-size:13px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: category4 */
:root{
    --bg-0:#050B14;
    --bg-1:#08111F;
    --bg-2:#0B1628;
    --panel:#0B1B33;
    --panel-2:#12284A;
    --cyan:#22D3EE;
    --orange:#FF6B35;
    --mint:#34D399;
    --violet:#8B5CF6;
    --tx-1:#EAF2FF;
    --tx-2:#9FB3C8;
    --tx-3:#6B8199;
    --line:rgba(120,190,255,.16);
    --line-strong:rgba(120,220,255,.35);
    --r-sm:14px;
    --r-md:20px;
    --r-lg:24px;
    --r-pill:999px;
    --sh-card:0 20px 50px rgba(0,0,0,.35);
    --sh-glass:0 8px 32px rgba(0,0,0,.4);
    --glow-cyan:0 0 24px rgba(34,211,238,.35);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--tx-1);
    font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.8;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
    background:
      radial-gradient(900px 520px at 6% -6%, rgba(34,211,238,.16), transparent 60%),
      radial-gradient(780px 520px at 100% 10%, rgba(255,107,53,.10), transparent 62%),
      radial-gradient(700px 620px at 58% 108%, rgba(139,92,246,.10), transparent 66%);
  }
  body::after{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.32;
    background-image:
      linear-gradient(rgba(120,190,255,.055) 1px, transparent 1px),
      linear-gradient(90deg, rgba(120,190,255,.055) 1px, transparent 1px);
    background-size:64px 64px;
    -webkit-mask-image:radial-gradient(circle at 50% 18%, #000 0%, transparent 74%);
    mask-image:radial-gradient(circle at 50% 18%, #000 0%, transparent 74%);
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;cursor:pointer;}
  input{font:inherit;}
  h1,h2,h3,p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

  .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    .container{padding-left:28px;padding-right:28px;}
  }

  /* ===== 浮动 Dock 导航 ===== */
  .dock{
    position:fixed;top:16px;left:50%;transform:translateX(-50%);
    width:min(1180px, calc(100% - 32px));
    z-index:90;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:10px 16px 10px 18px;
    border-radius:var(--r-pill);
    background:rgba(8,18,36,.72);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border:1px solid var(--line);
    box-shadow:var(--sh-glass);
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:36px;height:36px;border-radius:12px;
    display:grid;place-items:center;
    font-weight:800;font-size:17px;line-height:1;
    color:#04121C;
    background:linear-gradient(135deg,#7BF0FA,#22D3EE 55%,#0E7490);
    box-shadow:0 0 18px rgba(34,211,238,.45);
  }
  .brand-name{font-weight:700;font-size:16px;letter-spacing:.2px;white-space:nowrap;}
  .dock-nav{display:flex;align-items:center;gap:4px;}
  .nav-link{
    display:inline-block;
    padding:8px 15px;
    border-radius:var(--r-pill);
    font-size:14.5px;
    color:var(--tx-2);
    transition:color .24s ease, background .24s ease, box-shadow .24s ease;
  }
  .nav-link:hover{color:var(--tx-1);background:rgba(34,211,238,.09);}
  .nav-link.is-active{
    color:var(--tx-1);
    background:rgba(34,211,238,.15);
    box-shadow:inset 0 0 0 1px rgba(34,211,238,.38), 0 0 18px rgba(34,211,238,.18);
  }
  .dock-actions{display:flex;align-items:center;gap:10px;}
  .dock-cta{
    display:inline-flex;align-items:center;justify-content:center;
    padding:10px 20px;border-radius:var(--r-pill);
    font-size:14px;font-weight:600;color:#03151C;
    background:linear-gradient(135deg,#3FE0F2,#0E7490);
    box-shadow:0 0 18px rgba(34,211,238,.32);
    transition:transform .24s ease, box-shadow .24s ease, filter .24s ease;
    white-space:nowrap;
  }
  .dock-cta:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 0 28px rgba(34,211,238,.5);}
  .dock-cta:active{transform:scale(.98);}
  .dock-toggle{
    display:none;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:12px;
    background:rgba(34,211,238,.10);
    border:1px solid rgba(34,211,238,.3);
    color:var(--tx-1);
    transition:background .24s ease;
  }
  .dock-toggle:hover{background:rgba(34,211,238,.2);}

  /* ===== 通用组件 ===== */
  .glass{
    background:rgba(8,18,36,.72);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border:1px solid var(--line);
    box-shadow:var(--sh-glass);
    border-radius:var(--r-lg);
  }
  .card{
    position:relative;
    background:linear-gradient(160deg, rgba(18,40,74,.72), rgba(11,27,51,.58));
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:26px;
    transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  }
  .card:hover{
    transform:translateY(-3px);
    border-color:var(--line-strong);
    box-shadow:var(--sh-card);
  }
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 13px;border-radius:var(--r-pill);
    font-size:12.5px;font-weight:600;letter-spacing:.3px;
    border:1px solid transparent;
  }
  .badge-cyan{color:#9DF3FF;background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.34);}
  .badge-orange{color:#FFC5A8;background:rgba(255,107,53,.12);border-color:rgba(255,107,53,.34);}
  .badge-mint{color:#A7F3D0;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.32);}
  .badge-violet{color:#D6C4FF;background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.34);}
  .tag{
    display:inline-block;padding:3px 11px;margin:0 8px 8px 0;
    border-radius:var(--r-pill);
    font-size:12.5px;color:var(--tx-2);
    background:rgba(120,190,255,.07);
    border:1px solid var(--line);
  }
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 26px;border-radius:var(--r-sm);
    font-size:15px;font-weight:600;
    border:1px solid transparent;
    transition:transform .24s ease, box-shadow .24s ease, background .24s ease, border-color .24s ease, filter .24s ease;
  }
  .btn-primary{
    background:linear-gradient(135deg,#22D3EE,#0E7490);
    color:#03151C;
    box-shadow:var(--glow-cyan);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 0 32px rgba(34,211,238,.55);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    background:rgba(34,211,238,.07);
    border-color:rgba(34,211,238,.34);
    color:var(--tx-1);
  }
  .btn-ghost:hover{background:rgba(34,211,238,.15);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .section{padding-top:72px;padding-bottom:72px;}
  @media (min-width:1024px){
    .section{padding-top:100px;padding-bottom:100px;}
  }
  .section-title{
    font-size:clamp(24px,3vw,34px);
    font-weight:700;line-height:1.24;letter-spacing:.2px;
  }
  .section-lead{
    color:var(--tx-2);font-size:15.5px;line-height:1.85;max-width:720px;margin-top:14px;
  }
  .hairline{height:1px;border:0;background:linear-gradient(90deg, rgba(34,211,238,.4), rgba(120,190,255,.08), transparent);}
  .glow-line::before{
    content:"";display:inline-block;width:26px;height:3px;border-radius:3px;
    margin-right:12px;vertical-align:middle;
    background:linear-gradient(90deg,#22D3EE,rgba(34,211,238,0));
    box-shadow:0 0 14px rgba(34,211,238,.7);
  }

  /* ===== 页头 Hero ===== */
  .page-hero{
    position:relative;z-index:1;
    padding-top:150px;padding-bottom:76px;
    overflow:hidden;
    background-image:linear-gradient(180deg, rgba(5,11,20,.72), rgba(5,11,20,.94)), url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    border-bottom:1px solid var(--line);
  }
  @media (min-width:768px){
    .page-hero{padding-top:170px;padding-bottom:96px;}
  }
  .breadcrumb{
    display:flex;align-items:center;gap:10px;
    font-size:13px;color:var(--tx-3);margin-bottom:22px;
  }
  .breadcrumb a{color:var(--tx-2);transition:color .22s ease;}
  .breadcrumb a:hover{color:var(--cyan);}
  .breadcrumb .sep{color:var(--tx-3);}
  .breadcrumb .current{color:var(--tx-1);}
  .hero-title{
    font-size:clamp(34px,5vw,58px);
    font-weight:800;line-height:1.14;letter-spacing:.5px;
    margin-top:18px;
  }
  .hero-sub{
    margin-top:20px;max-width:660px;
    font-size:16.5px;line-height:1.9;color:var(--tx-2);
  }
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;
  }
  .meta-item{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border-radius:var(--r-pill);
    font-size:13.5px;color:var(--tx-2);
    background:rgba(11,27,51,.6);
    border:1px solid var(--line);
  }
  .meta-item strong{color:var(--tx-1);font-weight:600;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .hero-visual{position:relative;margin-top:44px;}
  @media (min-width:1024px){
    .hero-visual{margin-top:0;}
  }
  .hero-cover{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line-strong);
    box-shadow:0 26px 60px rgba(0,0,0,.5), 0 0 40px rgba(34,211,238,.12);
  }
  .hero-cover::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(160deg, rgba(5,11,20,.12), rgba(5,11,20,.6));
  }
  .hero-cover img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease;}
  .hero-cover:hover img{transform:scale(1.03);}
  .hero-float{
    position:relative;margin-top:-34px;margin-left:16px;margin-right:16px;
    padding:16px 20px;display:flex;align-items:center;gap:14px;
  }
  @media (min-width:768px){
    .hero-float{margin-left:28px;margin-right:28px;}
  }
  .pulse-dot{
    width:10px;height:10px;border-radius:50%;flex-shrink:0;
    background:var(--mint);
    box-shadow:0 0 0 0 rgba(52,211,153,.6);
    animation:pulse 2.4s infinite;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(52,211,153,.55);}
    70%{box-shadow:0 0 0 12px rgba(52,211,153,0);}
    100%{box-shadow:0 0 0 0 rgba(52,211,153,0);}
  }
  .hero-float-label{font-size:12.5px;color:var(--tx-3);line-height:1.4;}
  .hero-float-value{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.4px;}

  /* ===== 长文说明区 ===== */
  .prose-block h3{
    font-size:19px;font-weight:700;line-height:1.4;margin-top:30px;margin-bottom:10px;
    display:flex;align-items:center;
  }
  .prose-block p{
    color:var(--tx-2);font-size:16px;line-height:1.9;margin-top:14px;
  }
  .sticky-panel{position:relative;}
  @media (min-width:1024px){
    .sticky-panel{position:sticky;top:112px;}
  }
  .panel-row{
    display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
    padding:14px 0;border-bottom:1px dashed rgba(120,190,255,.14);
  }
  .panel-row:last-child{border-bottom:0;padding-bottom:0;}
  .panel-label{font-size:13.5px;color:var(--tx-3);}
  .panel-value{font-size:14.5px;color:var(--tx-1);font-weight:600;text-align:right;}

  /* ===== 数据条 ===== */
  .stat-grid{
    display:grid;gap:18px;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  @media (min-width:1024px){
    .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  }
  .stat-card{
    padding:22px 20px;border-radius:var(--r-md);
    background:rgba(11,27,51,.55);
    border:1px solid var(--line);
    transition:border-color .28s ease, transform .28s ease;
  }
  .stat-card:hover{border-color:var(--line-strong);transform:translateY(-2px);}
  .stat-num{
    font-size:clamp(26px,3.4vw,36px);font-weight:800;line-height:1.1;
    font-variant-numeric:tabular-nums;
    background:linear-gradient(135deg,#9DF3FF,#22D3EE 60%,#0E7490);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stat-label{margin-top:8px;font-size:13.5px;color:var(--tx-2);line-height:1.6;}

  /* ===== 主题分组 ===== */
  .topic-feature{
    display:grid;gap:0;overflow:hidden;border-radius:var(--r-lg);
    border:1px solid var(--line);
    background:linear-gradient(150deg, rgba(18,40,74,.8), rgba(11,27,51,.62));
    transition:border-color .28s ease, box-shadow .28s ease;
  }
  .topic-feature:hover{border-color:var(--line-strong);box-shadow:var(--sh-card);}
  .topic-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .topic-feature-body{padding:26px;}
  .topic-list-item{
    display:flex;gap:16px;padding:20px;border-radius:var(--r-md);
    background:rgba(11,27,51,.5);
    border:1px solid var(--line);
    transition:border-color .28s ease, background .28s ease, transform .28s ease;
  }
  .topic-list-item:hover{border-color:var(--line-strong);background:rgba(18,40,74,.62);transform:translateX(3px);}
  .topic-index{
    flex-shrink:0;font-size:15px;font-weight:800;line-height:1.5;
    color:var(--cyan);font-variant-numeric:tabular-nums;
    text-shadow:0 0 16px rgba(34,211,238,.5);
  }

  /* ===== 筛选条 ===== */
  .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
  .chip{
    padding:9px 18px;border-radius:var(--r-pill);
    font-size:13.5px;color:var(--tx-2);
    background:rgba(11,27,51,.6);
    border:1px solid var(--line);
    transition:color .22s ease, background .22s ease, border-color .22s ease, box-shadow .22s ease;
  }
  .chip:hover{color:var(--tx-1);border-color:var(--line-strong);background:rgba(34,211,238,.1);}
  .chip.is-active{
    color:#03151C;font-weight:600;
    background:linear-gradient(135deg,#3FE0F2,#0E7490);
    border-color:transparent;
    box-shadow:0 0 18px rgba(34,211,238,.35);
  }

  /* ===== 时间轴 ===== */
  .timeline{position:relative;margin-top:36px;padding-left:26px;}
  .timeline::before{
    content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg, rgba(34,211,238,.75), rgba(139,92,246,.32), rgba(120,190,255,.05));
    border-radius:2px;
  }
  @media (min-width:768px){
    .timeline{padding-left:36px;}
    .timeline::before{left:7px;}
  }
  .tl-item{
    position:relative;padding:24px 24px 24px 26px;margin-bottom:20px;
    border-radius:var(--r-md);
    background:linear-gradient(150deg, rgba(18,40,74,.66), rgba(11,27,51,.5));
    border:1px solid var(--line);
    transition:border-color .28s ease, transform .28s ease, box-shadow .28s ease;
  }
  .tl-item:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--sh-card);}
  .tl-dot{
    position:absolute;left:-26px;top:32px;
    width:12px;height:12px;border-radius:50%;
    background:var(--cyan);
    box-shadow:0 0 0 4px rgba(34,211,238,.14), 0 0 16px rgba(34,211,238,.75);
  }
  @media (min-width:768px){
    .tl-dot{left:-36px;width:14px;height:14px;}
  }
  .tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
  .tl-head time{
    font-size:14px;font-weight:700;color:var(--tx-1);
    font-variant-numeric:tabular-nums;letter-spacing:.4px;
  }
  .tl-item h3{font-size:19px;font-weight:700;line-height:1.4;margin-top:12px;}
  .tl-item p{color:var(--tx-2);font-size:15px;line-height:1.85;margin-top:10px;}
  .tl-tags{margin-top:14px;}
  .tl-item.is-hidden{display:none;}

  /* ===== FAQ ===== */
  .faq-list{display:grid;gap:14px;margin-top:34px;}
  .faq-item{
    border-radius:var(--r-md);
    background:rgba(8,18,36,.6);
    border:1px solid var(--line);
    transition:border-color .26s ease, box-shadow .26s ease;
    overflow:hidden;
  }
  .faq-item:hover{border-color:var(--line-strong);}
  .faq-item.is-open{border-color:rgba(34,211,238,.42);box-shadow:0 0 26px rgba(34,211,238,.14);}
  .faq-q{margin:0;font-size:17px;font-weight:600;}
  .faq-q button{
    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;line-height:1.5;color:var(--tx-1);
  }
  .faq-icon{
    position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;
    border:1px solid rgba(34,211,238,.45);
    background:rgba(34,211,238,.1);
    transition:transform .3s ease, background .3s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    background:#9DF3FF;border-radius:2px;
  }
  .faq-icon::before{width:10px;height:2px;}
  .faq-icon::after{width:2px;height:10px;transition:opacity .3s ease;}
  .faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(34,211,238,.22);}
  .faq-item.is-open .faq-icon::after{opacity:0;}
  .faq-a{padding:0 22px 22px;color:var(--tx-2);font-size:15px;line-height:1.9;}

  /* ===== 订阅表单 ===== */
  .subscribe-wrap{
    position:relative;overflow:hidden;
    padding:38px 26px;border-radius:var(--r-lg);
    background:linear-gradient(140deg, rgba(18,40,74,.85), rgba(8,18,36,.78));
    border:1px solid var(--line-strong);
    box-shadow:var(--sh-glass);
  }
  @media (min-width:768px){
    .subscribe-wrap{padding:52px 48px;}
  }
  .subscribe-wrap::after{
    content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle, rgba(34,211,238,.24), transparent 68%);
    pointer-events:none;
  }
  .form-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:1;}
  .form-input{
    flex:1 1 260px;min-width:0;
    padding:14px 18px;border-radius:var(--r-sm);
    background:rgba(5,11,20,.72);
    border:1px solid var(--line);
    color:var(--tx-1);
    font-size:15px;
    transition:border-color .24s ease, box-shadow .24s ease;
  }
  .form-input::placeholder{color:var(--tx-3);}
  .form-input:focus{outline:none;border-color:rgba(34,211,238,.7);box-shadow:0 0 0 4px rgba(34,211,238,.16);}
  .form-note{margin-top:14px;font-size:12.5px;color:var(--tx-3);line-height:1.7;}
  .form-msg{margin-top:14px;font-size:14px;display:none;}
  .form-msg.is-ok{display:block;color:var(--mint);}
  .form-msg.is-err{display:block;color:var(--orange);}

  /* ===== 页脚 ===== */
  .site-footer{
    position:relative;z-index:1;margin-top:60px;
    background:linear-gradient(180deg, rgba(8,17,31,.5), rgba(5,11,20,.96));
    border-top:1px solid var(--line);
  }
  .footer-title{font-size:15px;font-weight:700;color:var(--tx-1);}
  .footer-link{
    display:block;padding:5px 0;font-size:14px;color:var(--tx-2);
    transition:color .22s ease, transform .22s ease;
  }
  .footer-link:hover{color:var(--cyan);transform:translateX(3px);}
  .footer-bottom{border-top:1px solid rgba(120,190,255,.1);color:var(--tx-3);font-size:13px;}

  /* ===== 移动端导航 ===== */
  @media (max-width:1023px){
    .dock{border-radius:26px;padding:10px 14px;}
    .dock-toggle{display:inline-flex;}
    .dock-cta{display:none;}
    .dock-nav{
      display:none;
      position:absolute;left:0;right:0;top:calc(100% + 10px);
      flex-direction:column;align-items:stretch;gap:4px;
      padding:12px;border-radius:24px;
      background:rgba(8,18,36,.96);
      -webkit-backdrop-filter:blur(18px);
      backdrop-filter:blur(18px);
      border:1px solid var(--line);
      box-shadow:var(--sh-glass);
    }
    .dock-nav.is-open{display:flex;}
    .nav-link{padding:12px 16px;font-size:15px;}
  }
  @media (max-width:640px){
    .hero-meta{gap:8px;}
    .meta-item{padding:8px 13px;font-size:12.5px;}
    .btn{width:100%;}
    .hero-cta .btn{width:100%;}
    .form-row .btn{width:100%;}
    .timeline{padding-left:22px;}
    .tl-dot{left:-22px;width:11px;height:11px;top:30px;}
  }

  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }