/* roulang page: index */
:root{
  --bg-0:#04070F; --bg-1:#070D1A; --bg-panel:rgba(18,32,56,.62);
  --primary:#2BF0C4; --primary-2:#17D9A0; --accent:#6E5BFF;
  --warn:#FF8A3D; --live:#FF4D6D; --ok:#2BF0C4;
  --text-1:#E9F2FF; --text-2:#9DB0CB; --text-3:#66799A;
  --line:rgba(255,255,255,.08); --line-strong:rgba(43,240,196,.22);
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --glow-primary:0 0 0 1px rgba(43,240,196,.45), 0 14px 36px rgba(43,240,196,.22);
  --r-card:18px; --r-btn:12px; --r-badge:999px; --r-img:16px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  background-color:var(--bg-0);
  color:var(--text-2);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  background-image:
    radial-gradient(560px 420px at 88% -40px, rgba(43,240,196,.08), transparent 70%),
    radial-gradient(620px 480px at -60px 78%, rgba(110,91,255,.07), transparent 72%),
    radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:auto,auto,24px 24px;
  background-repeat:no-repeat,no-repeat,repeat;
  background-attachment:fixed,fixed,scroll;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(30px,3.4vw,52px);line-height:1.15;}
h2{font-size:clamp(24px,2.2vw,32px);line-height:1.25;}
h3{font-size:19px;line-height:1.5;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(43,240,196,.28);color:#04121A;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* 顶部导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;height:var(--nav-h);
  background:rgba(6,11,22,.55);backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);transition:background .2s ease,box-shadow .2s ease;}
.site-header.is-solid{background:rgba(5,9,18,.94);box-shadow:0 12px 34px rgba(0,0,0,.5);}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  display:grid;place-items:center;color:#04121A;font-weight:800;font-size:15px;}
.brand-text{font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:10px;}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(43,240,196,.8);}
.nav-right{display:flex;align-items:center;gap:12px;}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-badge);
  padding:5px 12px;font-size:12.5px;line-height:1.5;border:1px solid var(--line);color:var(--text-2);
  background:rgba(255,255,255,.03);white-space:nowrap;}
.badge-live{border-color:rgba(255,77,109,.4);background:rgba(255,77,109,.14);color:#FFD9E1;}
.badge-soon{border-color:rgba(255,138,61,.35);background:rgba(255,138,61,.12);color:#FFD6B8;}
.badge-mint{border-color:var(--line-strong);background:rgba(43,240,196,.1);color:var(--primary);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--live);flex:0 0 6px;animation:breathe 2s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.82);}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;padding:14px 26px;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,border-color .2s ease;}
.btn-primary{background:linear-gradient(100deg,var(--primary),var(--primary-2));color:#04121A;
  box-shadow:0 0 0 1px rgba(43,240,196,.3),0 10px 26px rgba(43,240,196,.18);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(43,240,196,.5),0 16px 40px rgba(43,240,196,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,240,196,.45),0 6px 16px rgba(43,240,196,.16);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--primary);}
.btn-ghost:hover{background:rgba(43,240,196,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:rgba(43,240,196,.14);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;}
.btn-text:hover svg{transform:translateX(4px);}

/* 玻璃卡 */
.glass{position:relative;border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.55));
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
.glass-hover:hover{border-color:var(--line-strong);transform:translateY(-3px);
  box-shadow:0 0 0 1px rgba(43,240,196,.22),0 18px 44px rgba(0,0,0,.5),0 0 26px rgba(43,240,196,.12),
  inset 0 1px 0 rgba(255,255,255,.06);}
.section{padding-top:96px;padding-bottom:96px;}
.section-tight{padding-top:64px;padding-bottom:64px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-kicker{font-size:13px;letter-spacing:.16em;color:var(--primary);text-transform:uppercase;margin-bottom:10px;}
.sec-desc{margin-top:12px;max-width:640px;color:var(--text-2);}

/* Hero */
.hero{padding-top:calc(var(--nav-h) + 56px);padding-bottom:64px;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 1px,transparent 1px 16px);
  opacity:.5;}
.hero-bg{position:absolute;inset:0;z-index:-1;overflow:hidden;}
.hero-bg img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.5;}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,.82),rgba(4,7,15,.95) 60%,var(--bg-0));}
.cover-card{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);aspect-ratio:16/9;background:var(--bg-panel);}
.cover-card > img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.cover-card .veil{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,.65) 0%,rgba(4,7,15,.2) 42%,rgba(4,7,15,.88) 100%);}
.cover-top{position:absolute;top:18px;left:18px;display:flex;gap:10px;flex-wrap:wrap;}
.cover-body{position:absolute;left:0;right:0;bottom:0;padding:26px 28px 24px;}
.hero-title{font-size:clamp(26px,3vw,46px);line-height:1.15;}
.hero-sub{margin-top:12px;font-size:16px;color:#C7D6EC;max-width:520px;}
.hero-line{margin-top:22px;width:min(240px,30%);height:1px;background:linear-gradient(90deg,var(--primary),transparent);
  box-shadow:0 0 14px rgba(43,240,196,.7);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-badge);padding:7px 14px;
  font-size:13px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.04);}
.tag b{color:var(--text-1);font-weight:600;}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* 倒计时 */
.count-card{padding:26px 26px 24px;}
.count-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:18px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.count-cell{padding:18px 4px;text-align:center;border-right:1px solid var(--line);}
.count-cell:last-child{border-right:0;}
.count-num{font-size:clamp(28px,3.2vw,50px);font-weight:700;color:var(--warn);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.count-unit{margin-top:8px;font-size:12.5px;color:var(--text-3);}
.count-note{margin-top:14px;font-size:13px;color:var(--text-3);text-align:right;}
.mini-form{margin-top:18px;display:flex;gap:10px;}
.field{flex:1;min-width:0;background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--r-btn);padding:12px 14px;font-size:14px;color:var(--text-1);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.field::placeholder{color:var(--text-3);}
.field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,240,196,.14);background:rgba(43,240,196,.05);}
.field.err{border-color:var(--live);box-shadow:0 0 0 3px rgba(255,77,109,.14);}
.field.ok{border-color:var(--primary);}
.form-msg{margin-top:10px;font-size:13px;color:var(--text-3);min-height:20px;}
.form-msg.ok{color:var(--primary);}
.form-msg.err{color:#FF8FA3;}

/* 数据条 */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{padding:24px;}
.stat-num{font-size:34px;font-weight:700;color:var(--text-1);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-num span{font-size:15px;color:var(--primary);margin-left:4px;font-weight:600;}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--text-3);}

/* 看点列表 */
.point-list{padding:8px 4px;}
.point-item{display:flex;align-items:center;gap:18px;padding:18px 20px;min-height:64px;border-radius:12px;
  border-bottom:1px solid var(--line);position:relative;transition:background .2s ease,transform .2s ease;}
.point-item:last-child{border-bottom:0;}
.point-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity .2s ease;box-shadow:0 0 12px rgba(43,240,196,.8);}
.point-item:hover{background:rgba(43,240,196,.04);}
.point-item:hover::before{opacity:1;}
.point-idx{font-size:20px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;flex:0 0 40px;}
.point-main{flex:1;min-width:0;}
.point-main h3{font-size:18px;}
.point-main p{margin-top:4px;font-size:14px;color:var(--text-2);
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.point-tail{flex:0 0 auto;display:flex;align-items:center;gap:10px;color:var(--text-3);font-size:13px;}

/* 订阅宽幅 */
.sub-wide{display:grid;grid-template-columns:5fr 7fr;gap:36px;padding:40px;align-items:center;
  background-image:linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.55));}
.sub-form{display:flex;gap:12px;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:14px;font-size:13.5px;color:var(--text-3);}
.check-row input{margin-top:5px;accent-color:var(--primary);width:16px;height:16px;}

/* 回放横滑 */
.scroll-x{display:flex;gap:24px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
.scroll-x::-webkit-scrollbar{height:6px;}
.scroll-x::-webkit-scrollbar-thumb{background:rgba(43,240,196,.28);border-radius:6px;}
.replay-card{flex:0 0 300px;scroll-snap-align:start;overflow:hidden;}
.replay-media{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-img);background:var(--bg-panel);}
.replay-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img);transition:transform .3s ease;}
.replay-card:hover .replay-media img{transform:scale(1.03);}
.replay-dur{position:absolute;right:10px;bottom:10px;border-radius:var(--r-badge);padding:3px 10px;font-size:12px;
  background:rgba(4,7,15,.78);border:1px solid var(--line);color:var(--text-1);font-variant-numeric:tabular-nums;}
.replay-body{padding:16px 18px 20px;}
.replay-body h3{font-size:17px;transition:color .2s ease;}
.replay-card:hover .replay-body h3{color:var(--primary);}
.replay-meta{margin-top:8px;font-size:13px;color:var(--text-3);}

/* 资讯卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{overflow:hidden;display:flex;flex-direction:column;}
.news-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-panel);border-radius:var(--r-img) var(--r-img) 0 0;}
.news-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img) var(--r-img) 0 0;}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{margin-top:12px;font-size:17px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.news-body .sum{margin-top:8px;font-size:14px;color:var(--text-2);
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.news-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:2px;background:var(--primary);
  opacity:0;transition:opacity .2s ease;box-shadow:0 0 10px rgba(43,240,196,.8);}
.faq-item.open::before{opacity:1;}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;padding:16px 8px 16px 14px;cursor:pointer;color:var(--text-1);
  font-size:16px;font-weight:600;transition:color .2s ease;}
.faq-q:hover{color:var(--primary);}
.faq-ico{flex:0 0 18px;width:18px;height:18px;position:relative;}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;}
.faq-ico::before{left:0;top:8px;width:18px;height:2px;}
.faq-ico::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-ico::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 30px 18px 14px;font-size:14.5px;color:var(--text-2);
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;}

/* 底部 CTA */
.cta-band{position:relative;overflow:hidden;text-align:center;padding:56px 32px;border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(24,40,68,.78),rgba(9,18,34,.6));
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);}
.cta-band::before{content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 1px,transparent 1px 18px);opacity:.45;}
.cta-band::after{content:"";position:absolute;width:420px;height:420px;left:50%;top:-260px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(43,240,196,.16),transparent 68%);pointer-events:none;}
.cta-band > *{position:relative;z-index:1;}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-col h3{font-size:14px;letter-spacing:.08em;color:var(--text-1);margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.9;}
.footer-col a:hover{color:var(--text-1);}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 32px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.footer-bottom a:hover{color:var(--text-1);}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(2,5,11,.7);backdrop-filter:blur(3px);z-index:70;opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;background:rgba(7,13,26,.98);
  border-left:1px solid var(--line);transform:translateX(100%);transition:transform .28s ease;
  padding:22px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer a.dr-link{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;font-size:15.5px;
  color:var(--text-2);}
.drawer a.dr-link:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.drawer a.dr-link.active{color:var(--primary);background:rgba(43,240,196,.08);}
.burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);align-items:center;justify-content:center;cursor:pointer;}
.burger span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

@media (max-width:1023px){
  .container{padding-left:18px;padding-right:18px;}
  .nav-links,.nav-right .btn{display:none;}
  .burger{display:flex;}
  .sub-wide{grid-template-columns:1fr;gap:26px;padding:28px;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding-top:72px;padding-bottom:72px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:clamp(26px,7.4vw,32px);}
  h2{font-size:23px;}
  h3{font-size:17px;}
  .cover-card{aspect-ratio:auto;min-height:340px;}
  .cover-body{padding:20px;}
  .hero{padding-top:calc(var(--nav-h) + 32px);}
  .cta-row .btn{width:100%;}
  .mini-form{flex-direction:column;}
  .sub-form{flex-direction:column;}
  .count-cell{padding:14px 2px;}
  .count-num{font-size:26px;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding-top:56px;padding-bottom:56px;}
  .section-tight{padding-top:44px;padding-bottom:44px;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .replay-card{flex:0 0 82%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg-0:#04070F;
  --bg-1:#070D1A;
  --bg-panel:rgba(18,32,56,.62);
  --primary:#2BF0C4;
  --primary-2:#17D9A0;
  --accent:#6E5BFF;
  --warn:#FF8A3D;
  --live:#FF4D6D;
  --text-1:#E9F2FF;
  --text-2:#9DB0CB;
  --text-3:#66799A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(43,240,196,.22);
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --glow-primary:0 0 0 1px rgba(43,240,196,.45), 0 14px 36px rgba(43,240,196,.22);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:16px;
  --maxw:1280px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(620px 440px at 88% -8%, rgba(43,240,196,.09), transparent 62%),
    radial-gradient(760px 540px at 4% 106%, rgba(110,91,255,.08), transparent 60%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.035;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px, transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(43,240,196,.28);color:#fff}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(4,7,15,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:background .22s ease, box-shadow .22s ease;
}
.site-header.scrolled{
  background:rgba(4,7,15,.95);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:16px;font-weight:800;color:#04121A;letter-spacing:.02em;
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 20px rgba(43,240,196,.22);
}
.brand-text{
  color:var(--text-1);font-size:18px;font-weight:800;letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-btn);
  font-size:14.5px;
  font-weight:600;
  color:var(--text-2);
  transition:color .2s ease, background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(43,240,196,.85);
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  border:1px solid var(--line);
  color:var(--text-2);
  white-space:nowrap;
}
.badge-live{
  background:rgba(255,77,109,.14);
  border-color:rgba(255,77,109,.4);
  color:#FFD9E0;
}
.badge .dot{
  width:6px;height:6px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 0 rgba(255,77,109,.7);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,109,.6)}
  70%{box-shadow:0 0 0 7px rgba(255,77,109,0)}
  100%{box-shadow:0 0 0 0 rgba(255,77,109,0)}
}
.burger{
  display:none;
  width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;
  transition:border-color .2s ease, background .2s ease;
}
.burger:hover{border-color:var(--line-strong);background:rgba(43,240,196,.08)}
.burger span,
.burger span::before,
.burger span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);
  transition:transform .22s ease, opacity .22s ease;
}
.burger span{position:relative}
.burger span::before{content:"";position:absolute;top:-6px;left:0}
.burger span::after{content:"";position:absolute;top:6px;left:0}
.burger.open span{background:transparent}
.burger.open span::before{transform:translateY(6px) rotate(45deg)}
.burger.open span::after{transform:translateY(-6px) rotate(-45deg)}
.nav-mask{
  position:fixed;inset:0;z-index:55;
  background:rgba(4,7,15,.62);
  backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease;
}
.nav-mask.show{opacity:1;visibility:visible}
@media(min-width:1024px){.nav-mask{display:none}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;line-height:1;
  padding:14px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, filter .22s ease, color .22s ease;
}
.btn-primary{
  color:#04121A;
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 24px rgba(43,240,196,.16);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--glow-primary)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(43,240,196,.22)}
.btn-ghost{
  color:var(--primary);
  background:transparent;
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(43,240,196,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:0;padding:0;
  color:var(--primary);font-weight:700;font-size:14.5px;
}
.btn-link .arrow{transition:transform .2s ease}
.btn-link:hover .arrow{transform:translateX(4px)}
.btn-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 玻璃卡 ---------- */
.glass{
  background:linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.55));
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  border:1px solid var(--line-strong);
  color:var(--primary);
  background:rgba(43,240,196,.08);
}
.tag-accent{
  color:#C3BAFF;
  border-color:rgba(110,91,255,.42);
  background:rgba(110,91,255,.14);
}

/* ---------- 页面主视觉 ---------- */
.site-main{position:relative;z-index:1}
.page-hero{
  position:relative;
  padding:52px 0 8px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;top:-140px;right:-120px;width:620px;height:420px;
  background:radial-gradient(closest-side, rgba(43,240,196,.11), transparent 72%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.18)}
.breadcrumb .crumb-current{color:var(--text-2)}
.article-title{
  margin:0 0 20px;
  color:var(--text-1);
  font-size:46px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  max-width:900px;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;
  font-size:13.5px;color:var(--text-3);
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.meta-item b{color:var(--text-2);font-weight:700}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}

/* ---------- 正文阅读区 ---------- */
.read-section{padding:56px 0 0}
.article-shell{
  max-width:820px;
  margin:0 auto;
  padding:48px 56px 56px;
}
.article-body{
  max-width:740px;
  margin:0 auto;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text-2);
  text-align:left;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  margin:2em 0 .8em;
  padding-left:16px;
  font-size:26px;
  line-height:1.35;
  font-weight:700;
  color:var(--text-1);
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.26em;bottom:.26em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(43,240,196,.6);
}
.article-body h3{
  margin:1.6em 0 .55em;
  font-size:19px;
  font-weight:700;
  color:var(--text-1);
}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body a{
  color:var(--primary);
  border-bottom:1px solid rgba(43,240,196,.35);
  transition:border-color .2s ease, color .2s ease;
}
.article-body a:hover{color:var(--text-1);border-color:var(--text-1)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin:.45em 0}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--primary);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 24px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-card) var(--r-card) 0;
  background:rgba(43,240,196,.06);
  color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;
  border-radius:14px;
  margin:1.6em 0 .6em;
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-3);
  line-height:1.6;
}
.article-body hr{
  border:0;height:1px;background:var(--line);
  margin:2.4em 0;
}
.article-body code{
  padding:2px 7px;
  border-radius:6px;
  font-size:.92em;
  color:var(--primary);
  background:rgba(43,240,196,.12);
}
.article-body mark{
  background:rgba(43,240,196,.16);
  color:var(--text-1);
  padding:1px 5px;
  border-radius:6px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:14.5px;
}
.article-body th,.article-body td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body th{color:var(--text-1);font-weight:700;background:rgba(255,255,255,.03)}

.article-foot{
  max-width:740px;
  margin:44px auto 0;
  padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.article-foot .hint{font-size:13.5px;color:var(--text-3)}

.empty-state{
  max-width:740px;
  margin:0 auto;
  padding:56px 24px;
  text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;
  border-radius:var(--r-card);
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  background:rgba(43,240,196,.07);
  color:var(--primary);
}
.empty-state h2{margin:0 0 10px;font-size:22px;color:var(--text-1);font-weight:700}
.empty-state p{margin:0 0 22px;color:var(--text-2);font-size:15px}

/* ---------- 相关推荐 ---------- */
.related-section{padding:96px 0 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px;
  margin-bottom:28px;
}
.section-head h2{
  margin:0;
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:var(--text-1);
}
.section-head .sub{margin:8px 0 0;font-size:14px;color:var(--text-3)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;flex-direction:column;
  overflow:hidden;
  border-radius:var(--r-card);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:0 18px 44px rgba(43,240,196,.16), inset 0 1px 0 rgba(255,255,255,.06);
}
.thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-panel);
  border-radius:var(--r-img);
  margin:14px 14px 0;
}
.thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.card:hover .thumb img{transform:scale(1.03)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  margin:0;
  font-size:17px;
  line-height:1.5;
  font-weight:700;
  color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.card:hover .card-body h3{color:var(--primary)}
.card-body p{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- 底部转化 ---------- */
.cta-band{
  position:relative;
  margin:96px 0 72px;
  padding:52px 40px;
  border-radius:var(--r-card);
  overflow:hidden;
  text-align:center;
  border:1px solid var(--line);
  background:
    radial-gradient(520px 300px at 50% -40%, rgba(43,240,196,.16), transparent 68%),
    linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.6));
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  opacity:.06;
  pointer-events:none;
  background-image:repeating-linear-gradient(45deg, rgba(43,240,196,.9) 0 2px, transparent 2px 12px);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{
  margin:0 0 12px;
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  color:var(--text-1);
}
.cta-band p{
  margin:0 auto 26px;
  max-width:560px;
  font-size:15px;
  color:var(--text-2);
}
.cta-band .btn-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:0;
  padding:56px 0 0;
  background:var(--bg-1);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.1fr 1.3fr;
  gap:36px;
}
.footer-col h3{
  margin:0 0 14px;
  font-size:15px;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;
  color:var(--text-3);
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--text-1)}
.footer-col p{margin:0;font-size:13.5px;line-height:1.7;color:var(--text-3)}
.footer-col .brand-text{font-size:17px}
.footer-bottom{
  margin-top:40px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);transition:color .2s ease}
.footer-bottom a:hover{color:var(--text-1)}
.mb-3{margin-bottom:12px}

/* ---------- 响应式 ---------- */
@media(max-width:1279px){
  .article-title{font-size:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media(max-width:1023px){
  .nav-links{
    position:fixed;
    top:0;right:0;
    z-index:70;
    width:290px;
    height:100vh;
    margin:0;
    padding:88px 20px 28px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:rgba(7,13,26,.98);
    border-left:1px solid var(--line);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:var(--r-btn)}
  .nav-link.active{background:rgba(43,240,196,.08)}
  .nav-link.active::after{display:none}
  .burger{display:inline-flex}
  .nav-right .badge{display:none}
  .article-shell{padding:36px 30px 44px}
  .article-title{font-size:34px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-head h2{font-size:26px}
  .cta-band h2{font-size:27px}
  .cta-band{padding:44px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:639px){
  body{font-size:15px}
  .container{padding:0 16px}
  .nav-inner{height:62px;gap:10px}
  .brand-text{font-size:16.5px}
  .nav-right .btn-sm{padding:9px 14px;font-size:13px}
  .page-hero{padding:32px 0 4px}
  .article-title{font-size:28px;line-height:1.25}
  .meta-row{font-size:13px;gap:8px 14px;padding-bottom:22px}
  .read-section{padding:36px 0 0}
  .article-shell{padding:24px 18px 32px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:17px}
  .article-body blockquote{padding:14px 16px}
  .related-section{padding:64px 0 0}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{margin:64px 0 56px;padding:34px 18px}
  .cta-band h2{font-size:23px}
  .cta-band .btn-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .badge .dot{animation:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#04070F;
  --bg-1:#070D1A;
  --bg-panel:rgba(18,32,56,.62);
  --primary:#2BF0C4;
  --primary-2:#17D9A0;
  --accent:#6E5BFF;
  --warn:#FF8A3D;
  --live:#FF4D6D;
  --text-1:#E9F2FF;
  --text-2:#9DB0CB;
  --text-3:#66799A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(43,240,196,.22);
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --glow-primary:0 0 0 1px rgba(43,240,196,.45), 0 14px 36px rgba(43,240,196,.22);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-badge:999px;
  --radius-img:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  background-color:var(--bg-0);
  background-image:
    radial-gradient(680px 420px at 88% -6%, rgba(43,240,196,.08), transparent 70%),
    radial-gradient(720px 460px at -8% 62%, rgba(110,91,255,.07), transparent 72%),
    radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:auto,auto,24px 24px;
  color:var(--text-2);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3{margin:0;color:var(--text-1);line-height:1.25;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);letter-spacing:.06em;
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--line-strong)}
.glass{
  background:linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.55));
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  border-radius:var(--radius-card);
  transition:border-color .22s ease-out,box-shadow .22s ease-out,transform .22s ease-out;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(4,7,15,.86),rgba(4,7,15,.62));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{
  background:rgba(4,7,15,.96);
  box-shadow:0 14px 34px rgba(0,0,0,.45);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  color:#04121A;font-weight:800;font-size:17px;
  box-shadow:0 8px 22px rgba(43,240,196,.28);
}
.brand-text{
  font-size:18px;font-weight:800;color:var(--text-1);
  white-space:nowrap;letter-spacing:.01em;
}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:'';position:absolute;left:14px;right:14px;bottom:3px;
  height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(43,240,196,.7);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.nav-close,.nav-mask{display:none}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--radius-badge);
  font-size:13px;line-height:1;white-space:nowrap;
}
.badge-live{
  background:rgba(255,77,109,.14);
  border:1px solid rgba(255,77,109,.34);
  color:#FF97AC;font-weight:600;
}
.badge-live .dot{
  width:6px;height:6px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 4px rgba(255,77,109,.16);
  animation:pulse 2s infinite;
}
.badge-warn{
  background:rgba(255,138,61,.12);
  border:1px solid rgba(255,138,61,.34);
  color:#FFB27A;font-weight:600;
}
.badge-soft{
  background:rgba(110,91,255,.14);
  border:1px solid rgba(110,91,255,.32);
  color:#B6ACFF;font-weight:600;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;
  border-radius:var(--radius-btn);
  font-weight:700;font-size:15px;
  padding:14px 26px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(43,240,196,.35),0 12px 28px rgba(43,240,196,.2);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(43,240,196,.6),0 18px 40px rgba(43,240,196,.32);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,240,196,.5),0 6px 16px rgba(43,240,196,.2)}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--primary);
}
.btn-ghost:hover{background:rgba(43,240,196,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover{text-decoration:underline}
.btn-text:hover svg{transform:translateX(4px)}
.burger{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  cursor:pointer;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  content:'';position:absolute;left:50%;top:50%;
  width:18px;height:2px;border-radius:2px;background:var(--text-1);
  transform:translate(-50%,-50%);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:250px;
  display:flex;align-items:center;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(90deg,rgba(4,7,15,.95) 0%,rgba(4,7,15,.8) 48%,rgba(4,7,15,.56) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover;
  background-position:center,center;
}
.cat-hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(43,240,196,.06) 0 1px,transparent 1px 12px);
  opacity:.7;
}
.hero-inner{position:relative;z-index:1;padding-top:56px;padding-bottom:52px}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3);opacity:.6}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.15;
  display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;
}
.h1-brand{
  font-size:.46em;font-weight:700;color:var(--text-2);
  letter-spacing:.04em;
}
.hero-sub{margin-top:16px;font-size:16px;color:var(--text-2);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--radius-badge);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:13px;color:var(--text-2);
}
/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{padding:26px 24px;display:flex;flex-direction:column;gap:10px}
.stat-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.stat-label{font-size:13px;color:var(--text-3);letter-spacing:.04em}
.stat-value{font-size:34px;font-weight:700;color:var(--text-1);line-height:1}
.stat-value em{font-size:14px;font-style:normal;color:var(--text-3);font-weight:500;margin-left:4px}
.stat-foot{font-size:13px;color:var(--text-3)}
/* ---------- timeline ---------- */
.timeline{position:relative}
.timeline::before{
  content:'';position:absolute;left:147px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(43,240,196,.5),rgba(43,240,196,.08));
}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:132px 1fr;gap:40px;
  padding-bottom:28px;
}
.tl-item::before{
  content:'';position:absolute;left:143px;top:26px;
  width:9px;height:9px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(43,240,196,.14),0 0 18px rgba(43,240,196,.65);
}
.tl-item:last-child{padding-bottom:0}
.tl-time{padding-top:18px;text-align:right}
.tl-date{display:block;font-size:13px;color:var(--text-3)}
.tl-clock{display:block;font-size:22px;font-weight:700;color:var(--warn);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.tl-body{padding:24px 26px}
.tl-body:hover{border-color:var(--line-strong);box-shadow:0 20px 50px rgba(0,0,0,.5),0 0 0 1px rgba(43,240,196,.2),inset 0 1px 0 rgba(255,255,255,.06)}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.tl-meta .code{font-size:12px;color:var(--text-3);letter-spacing:.04em}
.tl-body h3{font-size:19px;margin-bottom:10px}
.tl-body p{font-size:15px;color:var(--text-2);max-width:640px}
.tl-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:20px}
.tl-note{font-size:13px;color:var(--text-3)}
/* ---------- split ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.split.reverse{grid-template-columns:5fr 7fr}
.split-card{padding:32px}
.split-card h3{font-size:20px;margin-bottom:12px}
.split-card p{font-size:15px}
.step-list{margin-top:22px;display:grid;gap:16px}
.step-list li{display:flex;gap:14px;align-items:flex-start}
.step-num{
  flex:none;width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;
  background:rgba(43,240,196,.12);border:1px solid var(--line-strong);
  color:var(--primary);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-list strong{display:block;color:var(--text-1);font-size:15px;font-weight:600}
.step-list span{font-size:14px;color:var(--text-3)}
.thumb{
  border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-panel);
  aspect-ratio:16/10;
}
.thumb img{width:100%;height:100%;object-fit:cover}
/* ---------- form ---------- */
.sub-card{padding:34px;display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center}
.sub-card h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:12px}
.sub-card p{font-size:15px}
.sub-form{display:flex;gap:12px}
.sub-form input{
  flex:1;min-width:0;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:14px 16px;color:var(--text-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(43,240,196,.12);
}
.form-tip{margin-top:12px;font-size:13px;color:var(--text-3);min-height:20px}
.form-tip.is-error{color:#FF97AC}
.form-tip.is-ok{color:var(--primary)}
.agree{display:flex;align-items:flex-start;gap:10px;margin-top:16px;font-size:13px;color:var(--text-3)}
.agree input{margin-top:5px;accent-color:var(--primary)}
/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 0;font-size:16px;color:var(--text-1);font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';flex:none;font-size:20px;color:var(--primary);
  transition:transform .22s ease,color .22s ease;
}
.faq-item[open] summary::after{content:'−';transform:rotate(180deg)}
.faq-item[open]{border-left:2px solid var(--primary);padding-left:14px}
.faq-item p{padding:0 0 18px;font-size:15px;color:var(--text-2)}
/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;text-align:center;
  padding:60px 32px;border-radius:var(--radius-card);
  background:linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.55));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(43,240,196,.05) 0 1px,transparent 1px 14px);
}
.cta-band::after{
  content:'';position:absolute;width:460px;height:460px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,240,196,.18),transparent 68%);
}
.cta-inner{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-band p{max-width:560px;margin:0 auto 28px;font-size:15px}
/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,13,26,.6),rgba(4,7,15,.95));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px}
.footer-col p{font-size:14px;color:var(--text-3);max-width:300px}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text-1)}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-3);transition:color .18s ease}
.footer-col ul a:hover{color:var(--text-1)}
.mb-3{margin-bottom:12px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a:hover{color:var(--text-1)}
/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 20px}
  .section{padding:72px 0}
  .section-tight{padding:52px 0}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    margin:0;flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(6,11,22,.98);
    backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    padding:84px 20px 24px;
    transform:translateX(104%);
    transition:transform .28s ease;
    z-index:90;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-link{height:48px;padding:0 14px;font-size:16px}
  .nav-link.active::after{left:14px;right:auto;width:26px;bottom:9px}
  .nav-close{
    display:grid;place-items:center;position:absolute;top:18px;right:18px;
    width:38px;height:38px;border-radius:10px;cursor:pointer;
    border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-1);
  }
  .nav-mask{
    display:block;position:fixed;inset:0;background:rgba(2,4,9,.6);
    opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:85;
  }
  .nav-mask.show{opacity:1;visibility:visible}
  .burger{display:block}
  .badge-live{display:none}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .split,.split.reverse{grid-template-columns:1fr;gap:28px}
  .sub-card{grid-template-columns:1fr;gap:24px;padding:28px}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .timeline::before{left:5px;top:10px}
  .tl-item{grid-template-columns:1fr;gap:12px;padding-left:28px}
  .tl-item::before{left:1px;top:10px}
  .tl-time{padding-top:0;text-align:left;display:flex;align-items:baseline;gap:12px}
  .tl-clock{font-size:19px}
}
@media (max-width:639px){
  body{font-size:15px}
  .section{padding:56px 0}
  .container{padding:0 16px}
  .nav-right .btn-sm{padding:9px 14px;font-size:13px}
  .stat-grid{grid-template-columns:1fr}
  .hero-inner{padding-top:40px;padding-bottom:36px}
  .hero-sub{font-size:15px}
  .tl-body{padding:20px}
  .tl-body h3{font-size:17px}
  .btn{width:100%}
  .tl-actions .btn{width:auto}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .cta-band{padding:44px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-0:#04070F;
  --bg-1:#070D1A;
  --bg-panel:rgba(18,32,56,.62);
  --primary:#2BF0C4;
  --primary-2:#17D9A0;
  --accent:#6E5BFF;
  --warn:#FF8A3D;
  --live:#FF4D6D;
  --text-1:#E9F2FF;
  --text-2:#9DB0CB;
  --text-3:#66799A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(43,240,196,.22);
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --glow-primary:0 0 0 1px rgba(43,240,196,.45),0 14px 36px rgba(43,240,196,.22);
  --r-card:18px;
  --r-btn:12px;
  --r-badge:999px;
  --r-img:16px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  background:var(--bg-0);
  color:var(--text-2);
  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(520px 380px at 88% 4%,rgba(43,240,196,.08),transparent 70%),
    radial-gradient(560px 420px at 4% 72%,rgba(110,91,255,.07),transparent 72%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.04;
  background-image:radial-gradient(rgba(233,242,255,.85) 1px,transparent 1px);
  background-size:24px 24px;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.25;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1280px !important;margin-inline:auto;padding-inline:24px;}
@media (max-width:767px){.container{padding-inline:16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,7,15,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{background:rgba(4,7,15,.95);box-shadow:0 12px 34px rgba(0,0,0,.55);}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04121A;font-weight:800;font-size:18px;flex:none;
  box-shadow:0 8px 20px rgba(43,240,196,.25);
}
.brand-text{font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:8px 14px;font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.045);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(43,240,196,.75);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-badge);letter-spacing:.02em;line-height:1.6;
}
.badge-live{
  background:rgba(255,77,109,.14);border:1px solid rgba(255,77,109,.36);color:#FF96A8;
}
.badge-ghost{
  background:rgba(43,240,196,.08);border:1px solid var(--line-strong);color:var(--primary);
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--live);flex:none;animation:breathe 2s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);cursor:pointer;position:relative;flex:none;
}
.burger span,.burger span::before,.burger span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--text-1);transform:translateX(-50%);transition:transform .22s ease,opacity .22s ease;
}
.burger span{top:19px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger[aria-expanded="true"] span{background:transparent;}
.burger[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0;}
.burger[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
  font-size:15px;padding:14px 26px;line-height:1.2;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(43,240,196,.28),0 12px 28px rgba(43,240,196,.16);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--glow-primary);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,240,196,.3),0 6px 14px rgba(43,240,196,.14);}
.btn-ghost{
  background:transparent;border:1px solid var(--line-strong);color:var(--primary);
}
.btn-ghost:hover{background:rgba(43,240,196,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:var(--r-btn);}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;
  border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.text-link svg{transition:transform .2s ease;}
.text-link:hover{border-color:var(--primary);}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- surfaces ---------- */
.glass{
  background:linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.55));
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  position:relative;
}
.glass::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);pointer-events:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.hoverable{transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;}
.hoverable:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:0 0 0 1px rgba(43,240,196,.18),0 18px 44px rgba(0,0,0,.5);
}
.section{padding:96px 0;position:relative;z-index:1;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:40px;}
.section-head h2{font-size:32px;}
.section-head p{margin-top:12px;color:var(--text-2);max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);
  letter-spacing:.08em;font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--primary);box-shadow:0 0 8px var(--primary);}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  min-height:264px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(4,7,15,.94) 0%,rgba(4,7,15,.78) 46%,rgba(4,7,15,.52) 100%),
                   url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-linear-gradient(45deg,rgba(43,240,196,.9) 0 1px,transparent 1px 12px);
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 0 52px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.5;}
.cat-hero h1{font-size:48px;line-height:1.15;letter-spacing:-.01em;}
.cat-hero .sub{margin-top:14px;font-size:17px;color:var(--text-2);max-width:640px;}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;font-size:13px;padding:6px 13px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);
}
.tag-accent{background:rgba(110,91,255,.12);border-color:rgba(110,91,255,.32);color:#B9AFFF;}
.tag-primary{background:rgba(43,240,196,.1);border-color:var(--line-strong);color:var(--primary);}

/* ---------- anchor nav ---------- */
.anchor-bar{
  position:relative;z-index:2;border-bottom:1px solid var(--line);
  background:rgba(7,13,26,.72);backdrop-filter:blur(12px);
}
.anchor-list{display:flex;gap:6px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-list::-webkit-scrollbar{display:none;}
.anchor-list a{
  font-size:14px;color:var(--text-2);padding:7px 14px;border-radius:var(--r-badge);
  border:1px solid transparent;white-space:nowrap;
}
.anchor-list a:hover{color:var(--primary);background:rgba(43,240,196,.07);border-color:var(--line-strong);}

/* ---------- compare blocks ---------- */
.cmp-text{padding:36px 34px;}
.cmp-text h2{font-size:28px;}
.cmp-text .lead{margin-top:16px;color:var(--text-2);}
.cmp-list{margin-top:22px;display:grid;gap:12px;}
.cmp-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.cmp-list li span.k{
  flex:none;width:22px;height:22px;border-radius:8px;display:grid;place-items:center;
  background:rgba(43,240,196,.12);color:var(--primary);font-size:12px;font-weight:700;margin-top:4px;
}
.cmp-media{position:relative;overflow:hidden;border-radius:var(--r-card);}
.cmp-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  transition:transform .5s ease;
}
.cmp-media:hover img{transform:scale(1.03);}
.cmp-media .mask{
  position:absolute;inset:0;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(4,7,15,.15),rgba(4,7,15,.7));
}
.cmp-media .cap{
  position:absolute;left:18px;right:18px;bottom:16px;font-size:13px;color:var(--text-2);
}
.cmp-media .cap strong{color:var(--text-1);display:block;font-size:15px;margin-bottom:2px;}

/* ---------- dimension cards ---------- */
.dim-grid{display:grid;gap:20px;grid-template-columns:repeat(4,minmax(0,1fr));}
.dim-card{padding:26px 24px;}
.dim-card .num{
  font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.dim-card h3{font-size:18px;margin-bottom:10px;}
.dim-card p{font-size:14.5px;color:var(--text-2);}
.icon-box{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line-strong);background:rgba(43,240,196,.07);color:var(--primary);margin-bottom:16px;
}

/* ---------- steps ---------- */
.steps{display:grid;gap:20px;grid-template-columns:repeat(4,minmax(0,1fr));counter-reset:step;}
.step{padding:26px 24px;position:relative;}
.step::after{
  content:"";position:absolute;top:42px;right:-20px;width:20px;height:1px;
  background:linear-gradient(90deg,var(--line-strong),transparent);
}
.step:last-child::after{display:none;}
.step .idx{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,rgba(43,240,196,.18),rgba(23,217,160,.06));
  border:1px solid var(--line-strong);color:var(--primary);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;}

/* ---------- scene list ---------- */
.scene-item{
  display:flex;gap:18px;align-items:flex-start;padding:22px 0;border-bottom:1px solid var(--line);
}
.scene-item:last-child{border-bottom:0;}
.scene-item h3{font-size:17px;margin-bottom:6px;}
.scene-item p{font-size:14.5px;}
.scene-item .mark{
  flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(110,91,255,.12);border:1px solid rgba(110,91,255,.3);color:#B9AFFF;
}

/* ---------- faq ---------- */
.faq-grid{display:grid;gap:0 48px;grid-template-columns:repeat(2,minmax(0,1fr));}
.faq-item{padding-left:14px;border-left:2px solid transparent;border-bottom:1px solid var(--line);transition:border-color .2s ease;}
.faq-item.open{border-left-color:var(--primary);}
.faq-q{
  width:100%;background:none;border:0;color:var(--text-1);font-size:16.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;cursor:pointer;text-align:left;min-height:56px;line-height:1.5;
}
.faq-q .pm{
  flex:none;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--primary);font-size:16px;transition:transform .25s ease,background .2s ease;
}
.faq-item.open .faq-q .pm{transform:rotate(45deg);background:rgba(43,240,196,.1);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:220px;}
.faq-a p{padding:0 0 20px;font-size:14.5px;color:var(--text-2);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;text-align:center;padding:56px 32px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(24,40,68,.75),rgba(9,18,34,.6));
  border:1px solid var(--line);backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(43,240,196,.9) 0 1px,transparent 1px 12px);
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;left:50%;top:-260px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(43,240,196,.16),transparent 68%);pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:30px;}
.cta-band p{margin:14px auto 28px;max-width:560px;color:var(--text-2);}

/* ---------- footer ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:0;padding:72px 0 28px;
  background:var(--bg-1);border-top:1px solid var(--line);
}
.footer-grid{display:grid;gap:36px;grid-template-columns:1.4fr 1fr 1fr 1.2fr;}
.footer-col h3{font-size:15px;letter-spacing:.04em;margin-bottom:16px;color:var(--text-1);}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.75;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:var(--text-3);}
.footer-col ul li a:hover{color:var(--text-1);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--text-3);flex-wrap:wrap;
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--text-1);}
.mb-3{margin-bottom:12px;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .burger{display:block;}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;top:72px;right:0;width:290px;height:calc(100vh - 72px);
    background:rgba(6,11,22,.98);border-left:1px solid var(--line);
    padding:16px;overflow-y:auto;box-shadow:-24px 0 60px rgba(0,0,0,.6);z-index:70;
  }
  .nav-links.open .nav-link{padding:0 14px;height:48px;display:flex;align-items:center;font-size:15.5px;border-radius:10px;}
  .nav-links.open .nav-link.active::after{left:14px;right:auto;width:24px;bottom:9px;}
  .dim-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-hero h1{font-size:38px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:28px;}
}
@media (max-width:767px){
  .badge-live{display:none;}
  .dim-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cat-hero-inner{padding:40px 0 38px;}
  .cat-hero h1{font-size:31px;}
  .cat-hero .sub{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .cmp-text{padding:26px 22px;}
  .cmp-text h2{font-size:22px;}
  .cta-band{padding:40px 22px;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-text{font-size:16.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
    --bg-0:#04070F;
    --bg-1:#070D1A;
    --bg-panel:rgba(18,32,56,.62);
    --primary:#2BF0C4;
    --primary-2:#17D9A0;
    --accent:#6E5BFF;
    --warn:#FF8A3D;
    --live:#FF4D6D;
    --text-1:#E9F2FF;
    --text-2:#9DB0CB;
    --text-3:#66799A;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(43,240,196,.22);
    --shadow-card:0 24px 60px rgba(0,0,0,.45);
    --glow-primary:0 0 0 1px rgba(43,240,196,.45),0 14px 36px rgba(43,240,196,.22);
    --r-card:18px;
    --r-btn:12px;
    --r-pill:999px;
    --r-img:16px;
    --font:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{scroll-behavior:smooth;}

  body{
    margin:0;
    font-family:var(--font);
    font-size:16px;
    line-height:1.8;
    color:var(--text-2);
    background-color:var(--bg-0);
    background-image:
      radial-gradient(620px 420px at 88% 4%, rgba(43,240,196,.09), transparent 66%),
      radial-gradient(720px 520px at 2% 76%, rgba(110,91,255,.07), transparent 66%),
      radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
    background-size:auto,auto,24px 24px;
    background-attachment:fixed,fixed,fixed;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    overflow-x:hidden;
  }

  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.25;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;}

  .num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

  .container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
  body .container{max-width:1280px;padding-left:24px;padding-right:24px;}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(4,7,15,.72);
    backdrop-filter:blur(14px) saturate(120%);
    -webkit-backdrop-filter:blur(14px) saturate(120%);
    border-bottom:1px solid var(--line);
    transition:background .2s ease-out, box-shadow .2s ease-out;
  }
  .site-header.is-scrolled{
    background:rgba(4,7,15,.94);
    box-shadow:0 12px 34px rgba(0,0,0,.5);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    gap:20px;
    height:72px;
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:34px;height:34px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    color:#04121A;
    font-size:16px;
    font-weight:800;
    letter-spacing:0;
    box-shadow:0 8px 20px rgba(43,240,196,.22);
  }
  .brand-text{
    font-size:18px;
    font-weight:800;
    color:var(--text-1);
    white-space:nowrap;
    letter-spacing:.01em;
  }

  .nav-links{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
  }
  .nav-link{
    position:relative;
    padding:9px 15px;
    border-radius:12px;
    font-size:15px;
    color:var(--text-2);
    transition:color .2s ease-out, background-color .2s ease-out;
  }
  .nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
  .nav-link.active{color:var(--primary);}
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:15px;right:15px;bottom:2px;
    height:2px;
    border-radius:var(--r-pill);
    background:var(--primary);
    box-shadow:0 0 10px rgba(43,240,196,.85);
  }

  .nav-right{
    display:flex;
    align-items:center;
    gap:12px;
    margin-left:18px;
    flex-shrink:0;
  }

  .badge{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:5px 12px;
    border-radius:var(--r-pill);
    font-size:12.5px;
    font-weight:600;
    line-height:1.5;
    white-space:nowrap;
  }
  .badge-live{
    background:rgba(255,77,109,.14);
    border:1px solid rgba(255,77,109,.38);
    color:#FFD8DF;
  }
  .dot{
    width:6px;height:6px;
    border-radius:50%;
    background:var(--live);
    box-shadow:0 0 10px rgba(255,77,109,.9);
    animation:breathe 2s ease-in-out infinite;
  }
  @keyframes breathe{
    0%,100%{opacity:1;transform:scale(1);}
    50%{opacity:.45;transform:scale(.78);}
  }
  .badge-outline{
    background:rgba(255,255,255,.03);
    border:1px solid var(--line);
    color:var(--text-2);
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 26px;
    border:1px solid transparent;
    border-radius:var(--r-btn);
    font-size:15px;
    font-weight:700;
    line-height:1.2;
    cursor:pointer;
    transition:transform .22s ease-out, box-shadow .22s ease-out, background-color .22s ease-out, border-color .22s ease-out, filter .22s ease-out, color .22s ease-out;
  }
  .btn-primary{
    background:linear-gradient(100deg,var(--primary),var(--primary-2));
    color:#04121A;
    box-shadow:0 10px 26px rgba(43,240,196,.2);
  }
  .btn-primary:hover{
    filter:brightness(1.08);
    transform:translateY(-2px);
    box-shadow:var(--glow-primary);
  }
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(43,240,196,.24);}
  .btn-ghost{
    background:transparent;
    border-color:var(--line-strong);
    color:var(--primary);
  }
  .btn-ghost:hover{background:rgba(43,240,196,.08);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{padding:10px 18px;font-size:14px;}
  .btn:focus-visible,
  .nav-link:focus-visible,
  a:focus-visible,
  summary:focus-visible,
  .burger:focus-visible,
  .drawer-close:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:2px;
  }

  .burger{
    display:none;
    width:42px;height:42px;
    align-items:center;
    justify-content:center;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    cursor:pointer;
  }
  .burger span,
  .burger span::before,
  .burger span::after{
    display:block;
    width:18px;height:2px;
    border-radius:2px;
    background:var(--text-1);
    transition:transform .2s ease-out;
  }
  .burger span{position:relative;}
  .burger span::before{content:"";position:absolute;top:-6px;left:0;}
  .burger span::after{content:"";position:absolute;top:6px;left:0;}

  /* ============ 移动抽屉 ============ */
  .drawer{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(320px,86vw);
    z-index:90;
    padding:20px;
    background:linear-gradient(180deg,rgba(9,18,34,.98),rgba(4,7,15,.99));
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .26s ease-out;
    display:flex;
    flex-direction:column;
    gap:18px;
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-close{
    width:38px;height:38px;
    border-radius:var(--r-btn);
    border:1px solid var(--line);
    background:rgba(255,255,255,.04);
    color:var(--text-1);
    font-size:20px;
    line-height:1;
    cursor:pointer;
  }
  .drawer-nav{display:flex;flex-direction:column;}
  .drawer-nav a{
    min-height:48px;
    display:flex;
    align-items:center;
    padding:0 12px;
    border-radius:var(--r-btn);
    color:var(--text-2);
    font-size:15.5px;
    border-bottom:1px solid var(--line);
    transition:color .2s ease-out, background-color .2s ease-out;
  }
  .drawer-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
  .drawer-nav a.active{color:var(--primary);}
  .drawer-cta{margin-top:auto;}
  .drawer-mask{
    position:fixed;
    inset:0;
    z-index:80;
    background:rgba(2,5,11,.62);
    opacity:0;
    visibility:hidden;
    transition:opacity .26s ease-out, visibility .26s ease-out;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  body.no-scroll{overflow:hidden;}

  /* ============ Hero 条 ============ */
  .hero{
    position:relative;
    overflow:hidden;
    border-bottom:1px solid var(--line);
    background:var(--bg-1);
  }
  .hero-bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-3.webp');
    background-size:cover;
    background-position:center;
    opacity:.42;
  }
  .hero-mask{
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(4,7,15,.7) 0%,rgba(4,7,15,.9) 58%,var(--bg-0) 100%);
  }
  .hero-stripes{
    position:absolute;
    inset:0;
    background-image:repeating-linear-gradient(45deg,rgba(43,240,196,.06) 0 2px,transparent 2px 15px);
    opacity:.55;
    pointer-events:none;
  }
  .hero-inner{
    position:relative;
    padding:44px 0 52px;
    min-height:250px;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:18px;
    flex-wrap:wrap;
  }
  .breadcrumb a{color:var(--text-2);transition:color .2s ease-out;}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:var(--text-3);opacity:.7;}
  .breadcrumb .current{color:var(--text-1);}

  .hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-bottom:16px;
    flex-wrap:wrap;
  }
  .hero-title{
    font-size:clamp(30px,4.6vw,50px);
    line-height:1.15;
    font-weight:700;
    margin:0 0 14px;
    max-width:19em;
    letter-spacing:.01em;
  }
  .hero-title .hero-key{color:var(--primary);}
  .hero-sub{
    font-size:17px;
    color:var(--text-2);
    max-width:34em;
    line-height:1.75;
  }
  .hero-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin:24px 0 28px;
  }
  .tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 14px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    font-size:13px;
    color:var(--text-2);
  }
  .tag strong{color:var(--text-1);font-weight:600;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .hero-line{
    position:absolute;
    left:24px;
    bottom:0;
    width:min(30%,320px);
    height:1px;
    background:linear-gradient(90deg,var(--primary),transparent);
    box-shadow:0 0 12px rgba(43,240,196,.7);
  }

  /* ============ 锚点导航 ============ */
  .anchor-bar{
    border-bottom:1px solid var(--line);
    background:rgba(7,13,26,.7);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
  }
  .anchor-inner{
    display:flex;
    align-items:center;
    gap:10px;
    padding:12px 0;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .anchor-inner::-webkit-scrollbar{display:none;}
  .anchor-link{
    flex:0 0 auto;
    padding:8px 16px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    font-size:13.5px;
    color:var(--text-2);
    transition:color .2s ease-out, border-color .2s ease-out, background-color .2s ease-out;
  }
  .anchor-link:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,240,196,.06);}

  /* ============ 通用板块 ============ */
  .section{padding:64px 0;}
  .section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:32px;
    flex-wrap:wrap;
  }
  .section-head h2{
    font-size:clamp(23px,3vw,32px);
    line-height:1.3;
  }
  .section-head p{
    font-size:14.5px;
    color:var(--text-3);
    max-width:46em;
    margin-top:8px;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    font-weight:600;
    color:var(--primary);
    letter-spacing:.08em;
    margin-bottom:10px;
  }
  .eyebrow::before{
    content:"";
    width:16px;height:2px;
    border-radius:2px;
    background:var(--primary);
    box-shadow:0 0 8px rgba(43,240,196,.8);
  }
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--primary);
    font-size:14.5px;
    font-weight:600;
    transition:color .2s ease-out;
  }
  .text-link svg{transition:transform .2s ease-out;}
  .text-link:hover{text-decoration:underline;text-underline-offset:4px;}
  .text-link:hover svg{transform:translateX(4px);}

  /* ============ 数据条 ============ */
  .stat-panel{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
  }
  .stat-cell{
    background:linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.55));
    padding:22px 24px;
  }
  .stat-cell .k{
    font-size:12.5px;
    color:var(--text-3);
    margin-bottom:6px;
  }
  .stat-cell .v{
    font-size:26px;
    font-weight:800;
    color:var(--text-1);
    font-variant-numeric:tabular-nums;
    letter-spacing:.02em;
    line-height:1.2;
  }
  .stat-cell .v small{font-size:13px;font-weight:600;color:var(--text-3);margin-left:4px;}

  /* ============ 回放编号清单 ============ */
  .replay-list{
    margin-top:26px;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:linear-gradient(160deg,rgba(24,40,68,.62),rgba(9,18,34,.5));
    backdrop-filter:blur(14px) saturate(120%);
    -webkit-backdrop-filter:blur(14px) saturate(120%);
    box-shadow:var(--shadow-card);
    overflow:hidden;
  }
  .replay-item{
    position:relative;
    display:grid;
    grid-template-columns:76px minmax(0,1fr) 220px;
    gap:22px;
    align-items:center;
    padding:20px 24px;
    border-bottom:1px solid var(--line);
    transition:background-color .22s ease-out, transform .22s ease-out, box-shadow .22s ease-out;
  }
  .replay-item:last-child{border-bottom:0;}
  .replay-item::before{
    content:"";
    position:absolute;
    left:0;top:16px;bottom:16px;
    width:3px;
    border-radius:var(--r-pill);
    background:var(--primary);
    box-shadow:0 0 12px rgba(43,240,196,.85);
    opacity:0;
    transition:opacity .22s ease-out;
  }
  .replay-item:hover{
    background:rgba(43,240,196,.04);
    transform:translateY(-3px);
    box-shadow:0 18px 40px rgba(0,0,0,.38);
  }
  .replay-item:hover::before{opacity:1;}
  .replay-no{
    font-size:20px;
    font-weight:800;
    color:var(--primary);
    font-variant-numeric:tabular-nums;
    letter-spacing:.02em;
  }
  .replay-body{min-width:0;}
  .replay-title{
    font-size:19px;
    font-weight:700;
    color:var(--text-1);
    margin-bottom:6px;
    transition:color .22s ease-out;
  }
  .replay-item:hover .replay-title{color:var(--primary);}
  .replay-desc{
    font-size:14px;
    color:var(--text-2);
    line-height:1.7;
    margin-bottom:8px;
  }
  .replay-meta{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    font-size:12.5px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .replay-thumb{
    position:relative;
    border-radius:var(--r-img);
    overflow:hidden;
    aspect-ratio:16/10;
    background:var(--bg-panel);
  }
  .replay-thumb img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .32s ease-out;
  }
  .replay-item:hover .replay-thumb img{transform:scale(1.03);}
  .thumb-pill{
    position:absolute;
    right:10px;bottom:10px;
    padding:4px 10px;
    border-radius:var(--r-pill);
    background:rgba(4,7,15,.8);
    border:1px solid var(--line);
    font-size:12px;
    color:var(--text-1);
    font-variant-numeric:tabular-nums;
  }

  /* ============ 回看要点 ============ */
  .point-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:18px;
  }
  .point-card{
    display:flex;
    gap:16px;
    padding:22px;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:rgba(18,32,56,.42);
    transition:border-color .22s ease-out, transform .22s ease-out, box-shadow .22s ease-out;
  }
  .point-card:hover{
    border-color:var(--line-strong);
    transform:translateY(-3px);
    box-shadow:0 18px 40px rgba(0,0,0,.35);
  }
  .point-no{
    flex:0 0 auto;
    width:38px;height:38px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:var(--r-btn);
    background:rgba(43,240,196,.1);
    border:1px solid var(--line-strong);
    color:var(--primary);
    font-size:14px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
  }
  .point-card h3{font-size:17.5px;margin-bottom:6px;}
  .point-card p{font-size:14px;color:var(--text-2);line-height:1.7;}

  .archive-band{
    margin-top:26px;
    display:grid;
    grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
    gap:26px;
    align-items:center;
    padding:26px;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:linear-gradient(160deg,rgba(24,40,68,.62),rgba(9,18,34,.5));
    box-shadow:var(--shadow-card);
  }
  .archive-band img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:var(--r-img);
  }
  .archive-band h3{font-size:19px;margin-bottom:10px;}
  .archive-band p{font-size:14.5px;color:var(--text-2);}
  .mini-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
  .mini-list li{
    list-style:none;
    display:flex;
    gap:10px;
    font-size:14px;
    color:var(--text-2);
    align-items:flex-start;
  }
  .mini-list li::before{
    content:"";
    flex:0 0 auto;
    width:6px;height:6px;
    margin-top:11px;
    border-radius:50%;
    background:var(--accent);
    box-shadow:0 0 8px rgba(110,91,255,.7);
  }

  /* ============ FAQ ============ */
  .faq-wrap{
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:rgba(18,32,56,.36);
    overflow:hidden;
  }
  details.faq-item{border-bottom:1px solid var(--line);border-left:2px solid transparent;transition:border-color .22s ease-out,background-color .22s ease-out;}
  details.faq-item:last-child{border-bottom:0;}
  details.faq-item[open]{border-left-color:var(--primary);background:rgba(43,240,196,.03);}
  details.faq-item summary{
    list-style:none;
    cursor:pointer;
    min-height:56px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:14px 22px;
    font-size:16px;
    font-weight:600;
    color:var(--text-1);
  }
  details.faq-item summary::-webkit-details-marker{display:none;}
  details.faq-item summary .mark{
    flex:0 0 auto;
    width:22px;height:22px;
    position:relative;
    border-radius:50%;
    border:1px solid var(--line-strong);
  }
  details.faq-item summary .mark::before,
  details.faq-item summary .mark::after{
    content:"";
    position:absolute;
    left:50%;top:50%;
    background:var(--primary);
    transform:translate(-50%,-50%);
    transition:transform .22s ease-out, opacity .22s ease-out;
  }
  details.faq-item summary .mark::before{width:10px;height:1.5px;}
  details.faq-item summary .mark::after{width:1.5px;height:10px;}
  details.faq-item[open] summary .mark::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  details.faq-item .faq-body{
    padding:0 22px 20px;
    font-size:14.5px;
    color:var(--text-2);
    line-height:1.85;
    max-width:64em;
  }

  /* ============ 底部 CTA ============ */
  .cta-band{
    position:relative;
    margin:96px 0 72px;
    padding:48px 32px;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:linear-gradient(160deg,rgba(24,40,68,.72),rgba(9,18,34,.6));
    backdrop-filter:blur(14px) saturate(120%);
    -webkit-backdrop-filter:blur(14px) saturate(120%);
    box-shadow:var(--shadow-card);
    text-align:center;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:repeating-linear-gradient(45deg,rgba(43,240,196,.06) 0 2px,transparent 2px 15px);
    opacity:.6;
    pointer-events:none;
  }
  .cta-band::after{
    content:"";
    position:absolute;
    width:360px;height:360px;
    right:-90px;top:-120px;
    background:radial-gradient(circle,rgba(43,240,196,.16),transparent 68%);
    pointer-events:none;
  }
  .cta-inner{position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;}
  .cta-inner h2{font-size:clamp(23px,3vw,32px);}
  .cta-inner p{font-size:15px;color:var(--text-2);max-width:38em;}
  .cta-inner .btn{margin-top:10px;}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--bg-1);
    border-top:1px solid var(--line);
    padding:56px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.2fr;
    gap:32px;
  }
  .footer-col h3{
    font-size:15px;
    color:var(--text-1);
    margin:0 0 14px;
    font-weight:700;
    letter-spacing:.01em;
  }
  .footer-col p,
  .footer-col li{
    font-size:14px;
    color:var(--text-3);
    line-height:1.8;
    margin:0;
  }
  .footer-col ul{
    list-style:none;
    display:flex;
    flex-direction:column;
    gap:8px;
  }
  .footer-col a{
    color:var(--text-3);
    transition:color .2s ease-out;
  }
  .footer-col a:hover{color:var(--text-1);}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    margin-top:40px;
    padding:20px 0;
    border-top:1px solid var(--line);
    font-size:13px;
    color:var(--text-3);
  }
  .footer-bottom a{color:var(--text-3);transition:color .2s ease-out;}
  .footer-bottom a:hover{color:var(--text-1);}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .nav-links,.nav-right .badge{display:none;}
    .burger{display:inline-flex;}
    .nav-right{margin-left:auto;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .replay-item{grid-template-columns:64px minmax(0,1fr) 180px;gap:18px;}
    .archive-band{grid-template-columns:1fr;}
    .section{padding:56px 0;}
    .cta-band{margin:56px 0 48px;}
  }

  @media (max-width:767px){
    body{font-size:15px;}
    .container{padding-left:16px;padding-right:16px;}
    body .container{padding-left:16px;padding-right:16px;}
    .hero-inner{padding:32px 0 40px;min-height:0;}
    .hero-sub{font-size:15.5px;}
    .hero-actions .btn{width:100%;}
    .stat-panel{grid-template-columns:1fr;}
    .replay-item{
      grid-template-columns:44px minmax(0,1fr);
      grid-template-rows:auto auto;
      padding:16px;
      gap:12px 14px;
    }
    .replay-no{font-size:17px;}
    .replay-thumb{grid-column:1 / -1;width:100%;}
    .replay-title{font-size:17px;}
    .point-grid{grid-template-columns:1fr;}
    .archive-band{padding:18px;}
    .cta-band{padding:36px 20px;}
    .footer-grid{grid-template-columns:1fr;gap:24px;}
    .section-head{margin-bottom:24px;}
    .hero-line{left:16px;width:40%;}
  }

  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    *{animation:none !important;transition-duration:.001ms !important;}
    .dot{opacity:1;transform:none;}
    .replay-item:hover,
    .point-card:hover,
    .btn:hover{transform:none;}
  }