/* roulang page: index */
:root{
  --bg:#0A0A1E;
  --panel:#141334;
  --panel-2:#1B1A40;
  --primary:#7C5CFF;
  --primary-soft:#A78BFA;
  --accent:#FFC978;
  --mint:#5BE0C8;
  --text:#EDEBFF;
  --text-dim:#A9A5CC;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --paper:#F7F6FC;
  --ink:#1B1A2E;
  --ink-dim:#55526E;
  --radius:18px;
  --radius-lg:26px;
  --shadow-glow:0 24px 60px -24px rgba(124,92,255,.45);
  --shadow-soft:0 12px 32px -18px rgba(27,26,46,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-bottom:88px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:700;line-height:1.2}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
::selection{background:rgba(124,92,255,.4)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.rule{height:1px;background:linear-gradient(90deg,transparent,rgba(124,92,255,.75),transparent)}

/* ============ 导航 Dock ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;z-index:80;
  transition:all .35s var(--ease);
}
.dock-inner{
  display:flex;align-items:center;gap:18px;
  height:64px;padding:0 12px 0 20px;
  background:rgba(14,13,38,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:0 20px 50px -28px rgba(124,92,255,.65);
  transition:height .3s var(--ease),background .3s var(--ease);
}
.dock.shrink .dock-inner{height:56px;background:rgba(10,10,30,.9)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;
  border-radius:11px;border:1px solid rgba(124,92,255,.45);
  background:linear-gradient(150deg,rgba(124,92,255,.28),rgba(91,224,200,.12));
}
.brand-mark svg{width:19px;height:19px;stroke:var(--accent);fill:none;stroke-width:1.5}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:16.5px;font-weight:800;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:10.5px;color:var(--text-dim);letter-spacing:.16em}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-dim);white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.dock-nav a:hover{color:var(--mint)}
.dock-nav a.active{color:var(--text);background:rgba(124,92,255,.18)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--mint));
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:999px;
  border:1px solid transparent;transition:all .22s var(--ease);
}
.icon-btn svg{width:19px;height:19px;stroke:var(--text-dim);fill:none;stroke-width:1.5;transition:stroke .22s var(--ease)}
.icon-btn:hover{border-color:var(--line-strong);background:rgba(255,255,255,.04)}
.icon-btn:hover svg{stroke:var(--mint)}
.burger{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .25s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.5}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--primary-soft));color:#fff;box-shadow:0 12px 30px -16px rgba(124,92,255,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(124,92,255,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:13.5px}
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(10,10,30,.97);backdrop-filter:blur(6px);
  padding:96px 28px 40px;flex-direction:column;gap:6px;
  opacity:0;transition:opacity .25s var(--ease);
}
.drawer.open{display:flex;opacity:1}
.drawer a.drawer-link{
  font-size:24px;font-weight:700;padding:16px 0;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
}
.drawer a.drawer-link span{font-size:13px;color:var(--text-dim);font-weight:400}
.drawer .drawer-cta{margin-top:28px}
.drawer-close{position:absolute;top:22px;right:22px;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center}
.drawer-close svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:1.5}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
.section-paper{background:var(--paper);color:var(--ink)}
.section-paper .rule-top{background:linear-gradient(90deg,transparent,rgba(124,92,255,.5),transparent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--mint);margin-bottom:14px;
}
.eyebrow svg{width:13px;height:13px;stroke:var(--accent);fill:none;stroke-width:1.5}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:700}
.section-head p{margin-top:14px;color:var(--text-dim);font-size:16px}
.section-paper .section-head p{color:var(--ink-dim)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--text-dim);transition:color .22s var(--ease),gap .22s var(--ease)}
.arrow-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.5}
.arrow-link:hover{color:var(--mint);gap:12px}

/* ============ Hero ============ */
.hero{position:relative;padding:132px 0 72px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:radial-gradient(120% 90% at 78% 22%,rgba(124,92,255,.42),transparent 58%),
                   radial-gradient(80% 70% at 12% 88%,rgba(91,224,200,.14),transparent 62%),
                   linear-gradient(180deg,rgba(10,10,30,.92),rgba(10,10,30,.98)),
                   url('/assets/images/backpic/back-1.png');
  background-size:cover,cover,cover,cover;
  background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(1.4px 1.4px at 18% 26%,rgba(255,255,255,.55),transparent),
                   radial-gradient(1.2px 1.2px at 62% 14%,rgba(255,255,255,.4),transparent),
                   radial-gradient(1.6px 1.6px at 84% 62%,rgba(255,255,255,.45),transparent),
                   radial-gradient(1.2px 1.2px at 38% 78%,rgba(255,255,255,.35),transparent);
  opacity:.7;
}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy h1{
  font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.hero-copy h1 .hl{
  background:linear-gradient(100deg,var(--primary-soft),var(--mint));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:20px;font-size:clamp(17px,2vw,20px);color:#D6D2FF;font-weight:500}
.hero-lead{margin-top:16px;font-size:16px;color:var(--text-dim);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;border:1px solid var(--line-strong);
  font-size:13px;color:var(--text-dim);
}
.badge svg{width:14px;height:14px;stroke:var(--mint);fill:none;stroke-width:1.5}
.login-panel{
  position:relative;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(20,19,52,.96),rgba(13,12,36,.96));
  box-shadow:var(--shadow-glow);padding:26px;
}
.login-panel::before{
  content:"";position:absolute;inset:-1px;border-radius:var(--radius-lg);pointer-events:none;
  background:linear-gradient(140deg,rgba(124,92,255,.5),transparent 45%,rgba(91,224,200,.35));
  -webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.panel-head strong{font-size:16px;font-weight:700}
.panel-head span{font-size:12px;color:var(--text-dim);letter-spacing:.1em}
.skeleton{height:46px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;padding:0 14px;color:#8F8BC0;font-size:14px;margin-bottom:12px}
.skeleton.split{display:grid;grid-template-columns:1fr auto;gap:10px;padding:0;background:none;border:0;height:auto}
.skeleton.split .cell{height:46px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;padding:0 14px;color:#8F8BC0;font-size:14px}
.skeleton.split .cell.small{width:108px;justify-content:center;color:var(--mint);font-size:13.5px}
.panel-btn{margin-top:6px;width:100%;min-height:48px;border-radius:12px;background:linear-gradient(120deg,var(--primary),var(--primary-soft));color:#fff;font-weight:600;font-size:15px}
.panel-foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:13px;color:#8F8BC0}
.panel-foot a{color:var(--mint)}
.panel-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.14);
  font-size:12.5px;color:#8F8BC0;line-height:1.7;
}

/* ============ 星轨轴 ============ */
.track{position:relative;display:grid;grid-template-columns:56px 1fr;gap:0}
.track-line{position:relative}
.track-line::before{
  content:"";position:absolute;left:50%;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(124,92,255,.7) 12%,rgba(91,224,200,.5) 88%,transparent);
}
.track-node{
  position:relative;z-index:1;width:44px;height:44px;margin:0 auto;border-radius:999px;
  display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--text);
  background:var(--panel);border:1px solid rgba(124,92,255,.5);
}
.track-items{display:grid;gap:24px}
.track-card{
  border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(160deg,rgba(20,19,52,.9),rgba(13,12,36,.7));
  padding:26px 26px 22px;transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.track-card:hover{border-color:rgba(91,224,200,.5);transform:translateY(-2px)}
.track-card .ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;border:1px solid rgba(91,224,200,.4);margin-bottom:16px}
.track-card .ico svg{width:20px;height:20px;stroke:var(--mint);fill:none;stroke-width:1.5}
.track-card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.track-card p{color:var(--text-dim);font-size:15.5px}
.track-card .divider{height:1px;background:linear-gradient(90deg,rgba(124,92,255,.5),transparent);margin-top:18px}
@media (min-width:1024px){
  .track-card.off-1{margin-top:0}
  .track-card.off-2{margin-top:64px}
  .track-card.off-3{margin-top:128px}
}

/* ============ 演示 Tab ============ */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.tab{
  padding:11px 22px;border-radius:999px;border:1px solid var(--line);
  font-size:14.5px;color:var(--text-dim);transition:all .22s var(--ease);
}
.tab:hover{color:var(--mint);border-color:rgba(91,224,200,.4)}
.tab.active{background:rgba(124,92,255,.18);border-color:rgba(124,92,255,.55);color:var(--text)}
.panel{display:none}
.panel.active{display:block}
.demo-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center}
.demo-grid.flip .demo-shot{order:2}
.demo-shot{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-glow)}
.demo-shot img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .5s var(--ease)}
.demo-shot:hover img{transform:scale(1.02)}
.demo-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--text-dim);
}
.demo-list li:last-child{border-bottom:0}
.demo-list svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:1.5;flex:0 0 auto;margin-top:7px}
.demo-list strong{display:block;color:var(--text);font-size:16px;font-weight:600;margin-bottom:2px}

/* ============ 社会认同 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px}
.stat{padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(255,255,255,.02)}
.stat b{display:block;font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--text)}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-dim);letter-spacing:.02em}
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  background:linear-gradient(160deg,rgba(20,19,52,.85),rgba(13,12,36,.6));
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.voice:hover{border-color:rgba(124,92,255,.5);transform:translateY(-2px)}
.stars{display:flex;gap:4px;margin-bottom:14px}
.stars svg{width:15px;height:15px;stroke:var(--accent);fill:rgba(255,201,120,.25);stroke-width:1.5}
.voice p{font-size:15.5px;color:#DAD7F5}
.voice cite{display:block;margin-top:16px;font-style:normal;font-size:13.5px;color:var(--text-dim)}
.partners{
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;justify-content:center;
}
.partners span{
  font-size:15px;font-weight:600;color:rgba(169,165,204,.6);
  letter-spacing:.06em;transition:color .25s var(--ease);
}
.partners span:hover{color:var(--text)}

/* ============ 内容列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:linear-gradient(170deg,rgba(20,19,52,.85),rgba(13,12,36,.7));
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(91,224,200,.5);box-shadow:0 20px 42px -26px rgba(91,224,200,.55)}
.post-thumb{position:relative;overflow:hidden;background:var(--panel-2)}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-cat{
  position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:999px;
  font-size:12px;background:rgba(10,10,30,.82);border:1px solid var(--line-strong);color:var(--mint);
}
.post-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{
  font-size:14.5px;color:var(--text-dim);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-dim);
}
.post-foot svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.5;transition:transform .25s var(--ease)}
.post-card:hover .post-foot svg{transform:translateX(4px);stroke:var(--mint)}
.empty-state{
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--radius-lg);
  padding:64px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state svg{width:34px;height:34px;stroke:var(--accent);fill:none;stroke-width:1.5}
.empty-state p{color:var(--text-dim)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  position:relative;border-radius:var(--radius);background:#fff;border:1px solid rgba(27,26,46,.08);
  box-shadow:var(--shadow-soft);overflow:hidden;transition:border-color .22s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:var(--mint);opacity:0;transition:opacity .25s var(--ease);
}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q .plus{position:relative;width:20px;height:20px;flex:0 0 auto;transition:transform .3s var(--ease)}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-q .plus::before{left:9px;top:2px;width:2px;height:16px}
.faq-q .plus::after{top:9px;left:2px;height:2px;width:16px}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{padding:0 24px 22px 24px;font-size:15.5px;line-height:1.9;color:var(--ink-dim);display:none}
.faq-item.open .faq-a{display:block}
.faq-item:hover{border-color:rgba(124,92,255,.4)}

/* ============ 底部转化条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(10,10,30,.92);backdrop-filter:blur(12px);
  transform:translateY(110%);transition:transform .4s var(--ease);
}
.sticky-bar.show{transform:translateY(0)}
.sticky-bar::before{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,rgba(124,92,255,.8),transparent)}
.sticky-inner{
  max-width:1200px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:18px;
}
.sticky-inner p{font-size:14px;color:#D6D2FF}
.sticky-inner .spacer{margin-left:auto}
.sticky-inner .text-link{font-size:14px;color:var(--text-dim);transition:color .22s var(--ease)}
.sticky-inner .text-link:hover{color:var(--mint)}
.sticky-close{
  width:30px;height:30px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;flex:0 0 auto;
}
.sticky-close svg{width:14px;height:14px;stroke:var(--text-dim);fill:none;stroke-width:1.5}

/* ============ CTA 区 ============ */
.cta-band{
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(124,92,255,.22),rgba(13,12,36,.9));
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;box-shadow:var(--shadow-glow);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px)}
.cta-band p{margin-top:10px;color:var(--text-dim);font-size:15.5px;max-width:560px}

/* ============ 页脚 ============ */
.footer{background:#08081A;padding:0 0 30px;position:relative}
.footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,rgba(124,92,255,.7),transparent)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-dim);max-width:260px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-dim)}
.footer-contact span{display:flex;align-items:center;gap:9px}
.footer-contact svg{width:15px;height:15px;stroke:var(--mint);fill:none;stroke-width:1.5}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:var(--text);margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-dim);transition:color .22s var(--ease)}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7E7AA8;
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:#7E7AA8;transition:color .22s var(--ease)}
.footer-bottom a:hover{color:var(--mint)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .demo-grid{grid-template-columns:1fr;gap:26px}
  .demo-grid.flip .demo-shot{order:0}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .voices{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .track-card.off-1,.track-card.off-2,.track-card.off-3{margin-top:0}
}
@media (max-width:860px){
  .dock-nav{display:none}
  .dock-actions .btn{display:none}
  .burger{display:grid}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:52px 0}
  .hero{padding:112px 0 52px}
  .post-grid{grid-template-columns:1fr}
  .cta-band{padding:30px}
  .sticky-inner .text-link{display:none}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a{padding:0 18px 20px 18px}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .stats{grid-template-columns:1fr}
  .track{grid-template-columns:40px 1fr}
  .track-node{width:36px;height:36px;font-size:12px}
  .partners{gap:12px 24px}
  .hero-cta .btn{width:100%}
}

/* roulang page: article */
:root{
  --bg:#0A0A1E;
  --panel:#141334;
  --panel-2:#181640;
  --primary:#7C5CFF;
  --primary-soft:#A78BFA;
  --accent:#FFC978;
  --mint:#5BE0C8;
  --text:#EDEBFF;
  --text-dim:#A9A5CC;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --paper:#F7F6FC;
  --paper-text:#1B1A2E;
  --paper-dim:#55526E;
  --radius-xl:26px;
  --radius:18px;
  --radius-sm:12px;
  --shadow-glow:0 24px 60px -24px rgba(124,92,255,.45);
  --shadow-soft:0 12px 32px -18px rgba(27,26,46,.18);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --num:"Inter","SF Pro Text",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%,rgba(124,92,255,.22),transparent 62%),
    radial-gradient(760px 460px at 88% 4%,rgba(91,224,200,.10),transparent 60%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,opacity .22s ease}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:96px 0}}
.divider-glow{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,rgba(124,92,255,.85),transparent)}

/* ---------- Dock navigation ---------- */
.dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:1080px;z-index:120}
.dock-inner{
  display:flex;align-items:center;gap:14px;height:64px;padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(14,13,38,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 18px 42px -24px rgba(124,92,255,.6);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease;
}
.dock.scrolled .dock-inner{height:56px;background:rgba(10,10,30,.9);box-shadow:0 16px 38px -22px rgba(124,92,255,.7)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:30px;height:30px;display:grid;place-items:center;border-radius:10px;background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.34)}
.brand-mark svg{width:19px;height:19px;fill:var(--accent);stroke:var(--primary);stroke-width:1.2;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.02em}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:.16em;color:var(--text-dim)}
.dock-nav{display:none;align-items:center;gap:2px;margin-left:8px;flex:1}
.dock-nav a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-dim);white-space:nowrap;
}
.dock-nav a:hover{color:var(--mint)}
.dock-nav a.active{color:var(--text);background:rgba(124,92,255,.18)}
.dock-nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--mint))}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-dim);
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.icon-btn:hover{color:var(--mint);border-color:rgba(91,224,200,.45);background:rgba(91,224,200,.08)}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.burger{display:grid}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .24s ease,border-color .24s ease,color .24s ease,background .24s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-soft));color:#fff;box-shadow:0 14px 30px -16px rgba(124,92,255,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(124,92,255,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;background:rgba(10,10,30,.96);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  display:flex;flex-direction:column;padding:24px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .3s ease,visibility .3s ease,transform .3s ease;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  font-size:22px;font-weight:700;padding:14px 4px;border-bottom:1px solid var(--line);color:var(--text-dim);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--text)}
.drawer-links a.active{border-bottom-color:rgba(124,92,255,.6)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}
body.locked{overflow:hidden}

/* ---------- page banner ---------- */
.page-banner{position:relative;padding:132px 0 40px;overflow:hidden}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(10,10,30,.72),rgba(10,10,30,.96)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.55;z-index:-1;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.85),transparent);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--text-dim);margin-bottom:20px}
.crumbs a:hover{color:var(--mint)}
.crumbs span.sep{opacity:.45}
.crumbs .current{color:var(--text);max-width:min(560px,72vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(124,92,255,.4);background:rgba(124,92,255,.12);font-size:13px;color:var(--accent);margin-bottom:18px}
.article-kicker svg{width:14px;height:14px;fill:var(--accent);stroke:none}
h1.article-title{font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.2;max-width:960px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:22px;font-size:13px;letter-spacing:.02em;color:var(--text-dim)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:15px;height:15px;fill:none;stroke:var(--mint);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.meta-chip{padding:4px 12px;border-radius:999px;border:1px solid var(--line-strong);color:var(--text)}
.cover-frame{margin-top:34px;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-glow)}
.cover-frame img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-frame figcaption{font-size:13px;color:var(--text-dim);padding:12px 18px;background:rgba(255,255,255,.03);border-top:1px solid var(--line)}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media(min-width:1024px){.layout{grid-template-columns:minmax(0,1fr) 268px;gap:40px}}

/* ---------- article body (light paper) ---------- */
.paper{
  background:var(--paper);color:var(--paper-text);
  border-radius:24px;padding:26px 20px;box-shadow:var(--shadow-soft);
}
@media(min-width:768px){.paper{padding:44px 40px}}
@media(min-width:1024px){.paper{padding:56px 56px}}
.paper-inner{max-width:780px;margin:0 auto}
.article-body{font-size:16.5px;line-height:1.9;color:var(--paper-text)}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4;
  margin:44px 0 18px;padding-top:26px;color:var(--paper-text);scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:14px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%237C5CFF'%3E%3Cpath d='M12 2.5l2.2 6.3 6.3 2.2-6.3 2.2L12 19.5l-2.2-6.3L3.5 11l6.3-2.2L12 2.5z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:left center;background-size:14px 14px;
  opacity:.85;
}
.article-body h3{
  position:relative;font-size:20px;font-weight:600;margin:32px 0 14px;padding-left:14px;color:var(--paper-text);
  scroll-margin-top:110px;
}
.article-body h3::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--mint))}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:#5b3fe0}
.article-body strong{font-weight:700}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px}
.article-body li{position:relative;padding-left:24px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.66em;width:11px;height:11px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%237C5CFF'%3E%3Cpath d='M12 2.5l2.2 6.3 6.3 2.2-6.3 2.2L12 19.5l-2.2-6.3L3.5 11l6.3-2.2L12 2.5z'/%3E%3C/svg%3E");
  background-size:contain;background-repeat:no-repeat;
}
.article-body ol{counter-reset:li}
.article-body ol li::before{
  counter-increment:li;content:counter(li) ".";
  position:absolute;left:0;top:0;font-family:var(--num);font-weight:600;color:var(--primary);font-size:15px;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:rgba(124,92,255,.09);
  border-left:4px solid var(--primary);border-radius:0 14px 14px 0;color:#3a3752;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--paper-dim);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid rgba(27,26,46,.12);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body thead th{background:rgba(124,92,255,.12);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(27,26,46,.035)}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(124,92,255,.5),transparent);margin:34px 0}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14.5px;background:rgba(124,92,255,.1);padding:2px 6px;border-radius:6px}

/* ---------- toc ---------- */
.toc{display:none}
@media(min-width:1024px){
  .toc{display:block;position:sticky;top:104px;padding:22px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line)}
}
.toc h3{font-size:13px;letter-spacing:.14em;color:var(--text-dim);font-weight:600;margin-bottom:14px}
.toc ol{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow:auto}
.toc a{display:block;font-size:14px;color:var(--text-dim);padding:7px 10px;border-radius:10px;border-left:2px solid transparent;line-height:1.5}
.toc a:hover{color:var(--mint);background:rgba(255,255,255,.04)}
.toc a.active{color:var(--text);border-left-color:var(--primary);background:rgba(124,92,255,.14)}
.toc a.lvl-3{padding-left:22px;font-size:13px}
.toc-mobile{margin-bottom:20px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);overflow:hidden}
.toc-mobile summary{list-style:none;cursor:pointer;padding:14px 18px;font-size:14.5px;font-weight:600;display:flex;align-items:center;justify-content:space-between}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary svg{width:16px;height:16px;fill:none;stroke:var(--mint);stroke-width:1.6;transition:transform .25s ease}
.toc-mobile[open] summary svg{transform:rotate(180deg)}
.toc-mobile ol{padding:0 18px 16px}
.toc-mobile a{display:block;font-size:14px;color:var(--text-dim);padding:7px 0;border-bottom:1px solid var(--line)}
.toc-mobile a:hover{color:var(--mint)}
@media(min-width:1024px){.toc-mobile{display:none}}

/* ---------- tags / prevnext / related ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(27,26,46,.12)}
.tag{padding:6px 14px;border-radius:999px;border:1px solid rgba(124,92,255,.32);background:rgba(124,92,255,.08);color:#4b3fb0;font-size:13px}
.tag:hover{background:rgba(124,92,255,.16)}
.prevnext{display:grid;grid-template-columns:1fr;gap:16px;margin-top:34px}
@media(min-width:768px){.prevnext{grid-template-columns:1fr 1fr}}
.pn-card{
  display:block;padding:20px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);transition:transform .22s ease,border-color .22s ease;
}
.pn-card:hover{transform:translateY(-2px);border-color:rgba(91,224,200,.45)}
.pn-card em{display:block;font-style:normal;font-size:12.5px;letter-spacing:.1em;color:var(--text-dim);margin-bottom:8px}
.pn-card strong{display:block;font-size:16px;font-weight:600;line-height:1.6;color:var(--text)}
.pn-card.align-right{text-align:right}

.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.sec-head p{font-size:15px;color:var(--text-dim);margin-top:8px;max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--mint)}
.link-more:hover{color:var(--accent)}
.link-more svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(91,224,200,.45);box-shadow:var(--shadow-glow)}
.post-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#0d0c26}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .badge{
  position:absolute;left:12px;top:12px;padding:4px 12px;border-radius:999px;font-size:12px;
  background:rgba(10,10,30,.78);border:1px solid rgba(255,201,120,.4);color:var(--accent);backdrop-filter:blur(6px);
}
.post-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-card h3{
  font-size:17px;font-weight:600;line-height:1.6;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card p{
  font-size:14.5px;color:var(--text-dim);margin-top:10px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-dim);
}
.post-card .foot svg{width:16px;height:16px;fill:none;stroke:var(--mint);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s ease}
.post-card:hover .foot svg{transform:translateX(3px)}

/* ---------- cta / footer ---------- */
.cta-band{
  border-radius:var(--radius-xl);padding:36px 26px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(124,92,255,.24),rgba(20,19,52,.9));
  border:1px solid rgba(124,92,255,.34);
}
@media(min-width:768px){.cta-band{padding:48px 48px}}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);font-weight:700}
.cta-band p{color:var(--text-dim);margin-top:12px;max-width:600px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.empty{
  text-align:center;padding:60px 24px;border-radius:var(--radius);border:1px dashed rgba(255,255,255,.16);background:rgba(255,255,255,.02);
}
.empty svg{width:34px;height:34px;fill:var(--accent);stroke:none;margin:0 auto 16px}
.empty p{color:var(--text-dim);margin-bottom:20px}

.footer{margin-top:80px;background:#08081A;border-top:1px solid transparent;border-image:linear-gradient(90deg,transparent,rgba(124,92,255,.85),transparent) 1;position:relative}
.footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(124,92,255,.85),transparent)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:56px 0 40px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand p{font-size:14.5px;color:var(--text-dim);margin-top:16px;max-width:280px;line-height:1.85}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:20px;font-size:13.5px;color:var(--text-dim)}
.footer-contact span{display:inline-flex;align-items:center;gap:9px}
.footer-contact svg{width:16px;height:16px;fill:none;stroke:var(--mint);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-dim)}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 0 30px;border-top:1px solid var(--line);font-size:13px;color:var(--text-dim);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a:hover{color:var(--mint)}

@media(max-width:767px){
  .dock-nav{display:none}
  .dock-actions .btn-sm{display:none}
  .page-banner{padding-top:112px}
  .article-meta{gap:8px 14px}
  .paper{padding:22px 18px}
}
@media(min-width:1024px){
  .dock-nav{display:flex}
  .burger{display:none}
}

/* roulang page: category1 */
:root{
  --bg:#0A0A1E;
  --panel:#141334;
  --panel-soft:rgba(255,255,255,.04);
  --primary:#7C5CFF;
  --primary-2:#A78BFA;
  --accent:#FFC978;
  --mint:#5BE0C8;
  --text:#EDEBFF;
  --text-dim:#A9A5CC;
  --ink:#1B1A2E;
  --ink-dim:#55526E;
  --paper:#F7F6FC;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-xl:28px;
  --radius:18px;
  --radius-sm:12px;
  --shadow-glow:0 24px 60px -24px rgba(124,92,255,.45);
  --shadow-paper:0 12px 32px -18px rgba(27,26,46,.18);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  padding-bottom:0;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
figure{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:768px){.wrap{padding:0 32px}}
.tnum{font-variant-numeric:tabular-nums}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;z-index:70;
  border-radius:999px;
  background:rgba(14,13,38,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 24px 50px -32px rgba(124,92,255,.85);
  transition:background .3s ease,box-shadow .3s ease;
}
.dock.is-shrink{background:rgba(10,10,30,.92);box-shadow:0 20px 46px -26px rgba(124,92,255,.95)}
.dock-inner{
  display:flex;align-items:center;gap:14px;
  height:64px;padding:0 10px 0 18px;
  transition:height .28s ease;
}
.dock.is-shrink .dock-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(124,92,255,.35),rgba(91,224,200,.16));
  border:1px solid rgba(255,201,120,.35);
}
.brand-mark svg{width:19px;height:19px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-dim);letter-spacing:.14em}
.dock-nav{display:none;align-items:center;gap:2px;margin:0 auto}
@media (min-width:1024px){.dock-nav{display:flex}}
.dock-nav a{
  position:relative;padding:8px 13px;border-radius:999px;
  font-size:14.5px;color:var(--text-dim);white-space:nowrap;
}
.dock-nav a:hover{color:var(--mint);background:rgba(255,255,255,.05)}
.dock-nav a.active{color:var(--text);background:rgba(124,92,255,.18)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--mint));
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
@media (min-width:1024px){.dock-actions{margin-left:0}}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--panel-soft);color:var(--text-dim);
  transition:color .2s,border-color .2s,background .2s;
}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{color:var(--mint);border-color:rgba(91,224,200,.45);background:rgba(91,224,200,.08)}
.burger{display:inline-flex}
@media (min-width:1024px){.burger{display:none}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,border-color .25s ease,color .25s ease,background .25s ease;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{
  color:#fff;background:linear-gradient(120deg,var(--primary),var(--primary-2));
  box-shadow:0 14px 34px -20px rgba(124,92,255,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(124,92,255,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{color:var(--text);border:1px solid rgba(255,255,255,.28);background:transparent}
.btn-ghost:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(10,10,30,.96);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  display:flex;flex-direction:column;
  padding:22px 24px 32px;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:14px 4px;font-size:20px;font-weight:600;color:var(--text-dim);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--mint)}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ============ 页面顶部 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:128px 0 64px;
  background-image:linear-gradient(180deg,rgba(10,10,30,.72),rgba(10,10,30,.96)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center 30%;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 78% 12%,rgba(124,92,255,.34),transparent 62%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-dim);letter-spacing:.02em;margin-bottom:22px;flex-wrap:wrap}
.crumbs a:hover{color:var(--mint)}
.crumbs span[aria-current]{color:var(--text)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.5fr 1fr;align-items:end;gap:44px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--accent);
  border:1px solid rgba(255,201,120,.32);border-radius:999px;
  padding:5px 13px;margin-bottom:20px;background:rgba(255,201,120,.07);
}
.page-hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.15;font-weight:800;margin-bottom:16px}
.lead{font-size:17px;color:var(--text-dim);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-panel{
  border:1px solid var(--line);border-radius:var(--radius-xl);
  background:linear-gradient(160deg,rgba(20,19,52,.94),rgba(10,10,30,.86));
  box-shadow:var(--shadow-glow);
  padding:22px 22px 20px;
}
.hero-panel h2{font-size:14px;color:var(--text-dim);font-weight:600;letter-spacing:.08em;margin-bottom:16px;text-transform:uppercase}
.hero-panel .row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.09);font-size:14.5px}
.hero-panel .row:last-of-type{border-bottom:0}
.hero-panel .row b{font-weight:600;color:var(--text)}
.hero-panel .row span{color:var(--text-dim)}
.dot-live{display:inline-flex;align-items:center;gap:7px;color:var(--mint);font-size:13.5px}
.dot-live i{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(91,224,200,.18)}

/* ============ 信息速览条 ============ */
.stat-strip{
  border-top:1px solid transparent;border-bottom:1px solid var(--line);
  border-image:linear-gradient(90deg,transparent,rgba(124,92,255,.75),transparent) 1;
  background:rgba(20,19,52,.5);
}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;padding:28px 0}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr);padding:32px 0}}
.stat-item{border-left:2px solid rgba(124,92,255,.55);padding-left:16px}
.stat-item b{display:block;font-size:22px;font-weight:700;letter-spacing:-.01em}
.stat-item span{font-size:13.5px;color:var(--text-dim);letter-spacing:.02em}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(25px,3.2vw,38px);margin-bottom:14px}
.section-head p{color:var(--text-dim)}
.rule-top{
  height:1px;width:100%;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.7),transparent);
}

/* ============ 步骤区 ============ */
.steps-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){.steps-layout{grid-template-columns:218px 1fr;gap:56px;align-items:start}}
.anchor-rail{display:none}
@media (min-width:1024px){
  .anchor-rail{display:block;position:sticky;top:118px}
}
.anchor-rail h3{font-size:13px;letter-spacing:.1em;color:var(--text-dim);font-weight:600;margin-bottom:16px;text-transform:uppercase}
.anchor-rail ol{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:0}
.anchor-rail a{
  display:block;padding:9px 0 9px 16px;margin-left:-1px;
  border-left:2px solid transparent;font-size:14.5px;color:var(--text-dim);
}
.anchor-rail a:hover{color:var(--mint);border-left-color:rgba(91,224,200,.55)}
.anchor-rail a.is-active{color:var(--text);border-left-color:var(--primary)}
.anchor-rail .rail-num{font-size:12px;color:rgba(169,165,204,.7);margin-right:8px;font-variant-numeric:tabular-nums}

.step-track{position:relative}
@media (min-width:1024px){.step-track{padding-left:64px}}
@media (min-width:1024px){
  .step-track::before{
    content:"";position:absolute;left:19px;top:10px;bottom:10px;width:1px;
    background:linear-gradient(180deg,rgba(124,92,255,.65),rgba(91,224,200,.35),transparent);
  }
}
.step-block{
  position:relative;
  border:1px solid var(--line);border-radius:var(--radius-xl);
  background:linear-gradient(165deg,rgba(20,19,52,.82),rgba(10,10,30,.7));
  padding:26px 22px;
  margin-bottom:24px;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.step-block:hover{border-color:rgba(91,224,200,.4);box-shadow:var(--shadow-glow)}
@media (min-width:1024px){.step-block{padding:34px 34px 30px;margin-bottom:32px}}
.step-node{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 10px;border-radius:999px;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.04em;
  color:var(--accent);background:rgba(255,201,120,.1);
  border:1px solid rgba(255,201,120,.4);
  margin-bottom:18px;
}
@media (min-width:1024px){
  .step-node{position:absolute;left:-64px;top:34px;margin-bottom:0;min-width:44px;height:44px;background:var(--bg)}
}
.step-inner{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:1024px){
  .step-inner{grid-template-columns:1.45fr .85fr;gap:32px;align-items:start}
  .step-block.reverse .step-copy{order:2}
  .step-block.reverse .step-media{order:1}
}
.step-copy h3{font-size:21px;margin-bottom:12px}
.step-copy p{color:var(--text-dim);font-size:16.5px}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.check-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--text)}
.check-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:11px;height:11px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.check-list li span{color:var(--text-dim)}
.step-note{
  margin-top:20px;padding:13px 16px;border-radius:var(--radius-sm);
  background:rgba(124,92,255,.1);border-left:3px solid var(--primary);
  font-size:14.5px;color:var(--text-dim);
}
.step-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
}
.step-media figcaption{font-size:13px;color:var(--text-dim);margin-top:10px;text-align:center}
.inline-link{color:var(--mint);border-bottom:1px solid rgba(91,224,200,.4)}
.inline-link:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ============ 浅色核对区 ============ */
.paper-section{background:var(--paper);color:var(--ink);padding:64px 0}
@media (min-width:1024px){.paper-section{padding:96px 0}}
.paper-section .section-head p{color:var(--ink-dim)}
.paper-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.paper-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.paper-grid{grid-template-columns:repeat(3,1fr)}}
.paper-card{
  background:#fff;border:1px solid rgba(27,26,46,.08);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-paper);
  transition:transform .22s ease,box-shadow .22s ease;
}
.paper-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(27,26,46,.32)}
.paper-card h3{font-size:18px;color:var(--ink);margin-bottom:10px}
.paper-card p{font-size:15.5px;color:var(--ink-dim)}
.paper-card .tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:#5b3fd6;
  background:rgba(124,92,255,.1);border-radius:999px;padding:3px 11px;margin-bottom:14px;
}
.paper-note{
  margin-top:28px;border-radius:var(--radius);background:#fff;
  border:1px solid rgba(27,26,46,.08);box-shadow:var(--shadow-paper);
  padding:24px 22px;font-size:15.5px;color:var(--ink-dim);
}
.paper-note strong{color:var(--ink)}
.paper-note a{color:#5b3fd6;border-bottom:1px solid rgba(124,92,255,.45)}
.paper-note a:hover{color:#3d27a8}

/* ============ CTA ============ */
.cta-section{padding:64px 0}
@media (min-width:1024px){.cta-section{padding:92px 0}}
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(124,92,255,.28),rgba(20,19,52,.9) 55%,rgba(10,10,30,.92));
  padding:38px 26px;
}
@media (min-width:1024px){.cta-panel{padding:56px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px}}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;pointer-events:none;
  background:radial-gradient(circle,rgba(255,201,120,.22),transparent 68%);
}
.cta-panel h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;position:relative;z-index:2}
.cta-panel p{color:var(--text-dim);max-width:560px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:2}
@media (min-width:1024px){.cta-actions{margin-top:0;flex-shrink:0}}

/* ============ 页脚 ============ */
.footer{
  background:#08081A;color:var(--text-dim);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(124,92,255,.75),transparent) 1;
  padding:56px 0 26px;font-size:14.5px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{max-width:300px;font-size:14.5px;line-height:1.8}
.footer-contact{display:flex;flex-direction:column;gap:9px;margin-top:18px;font-size:13.5px}
.footer-contact span{display:inline-flex;align-items:center;gap:8px}
.footer-contact svg{width:15px;height:15px;fill:none;stroke:var(--mint);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;font-weight:600;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-dim)}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(169,165,204,.85);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a:hover{color:var(--mint)}

@media (max-width:519px){
  .brand-text em{display:none}
  .hero-actions .btn{width:100%}
  .step-block{padding:22px 18px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0A1E;
  --panel:#141334;
  --panel-2:#191843;
  --primary:#7C5CFF;
  --primary-2:#A78BFA;
  --accent:#FFC978;
  --mint:#5BE0C8;
  --text:#EDEBFF;
  --text-dim:#A9A5CC;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius:18px;
  --radius-lg:26px;
  --paper:#F7F6FC;
  --paper-text:#1B1A2E;
  --paper-dim:#55526E;
  --shadow-glow:0 24px 60px -24px rgba(124,92,255,.45);
  --shadow-paper:0 12px 32px -18px rgba(27,26,46,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.24}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 浮动导航 ---------- */
.dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:1080px;z-index:60;transition:width .3s ease}
.dock-inner{
  display:flex;align-items:center;gap:16px;height:64px;padding:0 14px 0 18px;
  border-radius:999px;background:rgba(14,13,38,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);box-shadow:0 18px 46px -24px rgba(124,92,255,.6);
  transition:height .3s ease,background .3s ease;
}
.dock.is-mini .dock-inner{height:56px;background:rgba(10,10,26,.92)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:12px;
  border:1px solid rgba(124,92,255,.5);
  background:linear-gradient(140deg,rgba(124,92,255,.3),rgba(91,224,200,.12));
  color:var(--accent);
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.06}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.08em}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-dim);letter-spacing:.22em}
.dock-nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center;min-width:0}
.dock-nav a{
  position:relative;padding:8px 13px;border-radius:999px;font-size:14.5px;
  color:var(--text-dim);white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.dock-nav a:hover{color:var(--mint)}
.dock-nav a.active{color:var(--text);background:rgba(124,92,255,.18)}
.dock-nav a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--mint));
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:999px;
  border:1px solid var(--line);color:var(--text-dim);transition:.24s ease;
}
.icon-btn:hover{color:var(--mint);border-color:rgba(91,224,200,.5)}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.burger{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease,background .22s ease;
}
.btn-primary{color:#fff;background:linear-gradient(120deg,var(--primary),var(--primary-2));box-shadow:0 14px 34px -20px rgba(124,92,255,1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(124,92,255,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--mint);font-size:14.5px;font-weight:600}
.text-link:hover{color:var(--accent)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);font-size:13px;color:var(--text-dim);letter-spacing:.02em;
}
.tag .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--accent))}
.section{padding:76px 0}
.section-tight{padding:52px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin-top:14px}
.section-head p{margin-top:14px;color:var(--text-dim);font-size:16.5px}
.hr-glow{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,rgba(124,92,255,.7),transparent)}

/* ---------- 分类页首屏 ---------- */
.cat-hero{position:relative;padding:140px 0 70px;overflow:hidden}
.cat-hero-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;opacity:.3}
.cat-hero-veil{
  position:absolute;inset:0;
  background:radial-gradient(80% 110% at 12% 0%,rgba(124,92,255,.45),transparent 62%),
             linear-gradient(180deg,rgba(10,10,30,.55) 0%,var(--bg) 92%);
}
.cat-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);letter-spacing:.02em}
.crumb a:hover{color:var(--mint)}
.crumb .sep{opacity:.45}
.crumb .now{color:var(--accent)}
.cat-hero h1{font-size:clamp(32px,4.8vw,52px);font-weight:800;margin-top:22px;max-width:820px}
.cat-hero .lede{margin-top:18px;max-width:660px;font-size:17px;color:var(--text-dim)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ---------- 指标横条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.metric{
  position:relative;padding:24px 22px 22px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);overflow:hidden;transition:border-color .25s ease,transform .25s ease;
}
.metric:hover{border-color:rgba(91,224,200,.45);transform:translateY(-2px)}
.metric b{display:block;font-size:30px;font-weight:800;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.metric h3{margin-top:14px;font-size:17px}
.metric p{margin-top:8px;font-size:14.5px;color:var(--text-dim);line-height:1.7}
.metric::after{
  content:"";position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.7),transparent);
}

/* ---------- 双列图文 ---------- */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;align-items:center}
.split + .split{margin-top:72px}
.split-text h3{font-size:clamp(22px,2.4vw,28px)}
.split-text > p{margin-top:16px;color:var(--text-dim)}
.split-text .text-link{margin-top:22px}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-glow)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,10,30,0) 45%,rgba(10,10,30,.55));
}
.split.flip .split-media{order:2}
.tick-list{margin-top:22px;display:grid;gap:12px}
.tick-list li{display:flex;gap:12px;font-size:15.5px;color:var(--text-dim)}
.tick-list svg{flex:0 0 auto;width:18px;height:18px;margin-top:5px;fill:none;stroke:var(--mint);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 规范表格 ---------- */
.table-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);overflow:hidden}
.table-card header{padding:22px 24px 16px}
.table-card header h3{font-size:19px}
.table-card header p{margin-top:8px;font-size:14.5px;color:var(--text-dim)}
.table-scroll{overflow-x:auto}
.spec-table{min-width:640px;font-size:15px}
.spec-table th,.spec-table td{padding:15px 24px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.spec-table thead th{font-size:13px;letter-spacing:.08em;color:var(--accent);background:rgba(124,92,255,.12);font-weight:600}
.spec-table tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.spec-table tbody td:first-child{color:var(--text);font-weight:600}
.spec-table tbody td{color:var(--text-dim)}

/* ---------- 关联入口 ---------- */
.link-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.link-card{
  display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.link-card:hover{border-color:rgba(124,92,255,.6);transform:translateY(-2px);background:rgba(124,92,255,.08)}
.link-card h4{font-size:17px}
.link-card p{font-size:14.5px;color:var(--text-dim);line-height:1.7}
.link-card .more{margin-top:auto;font-size:14px;color:var(--mint);font-weight:600}

/* ---------- 浅色 FAQ 区 ---------- */
.paper{background:var(--paper);color:var(--paper-text);box-shadow:var(--shadow-paper)}
.paper .section-head h2{color:var(--paper-text)}
.paper .section-head p{color:var(--paper-dim)}
.paper .eyebrow{color:#6B4FE0}
.paper .eyebrow::before{background:linear-gradient(90deg,transparent,#6B4FE0)}
.faq-list{margin-top:8px}
.faq-item{
  background:#fff;border:1px solid rgba(27,26,46,.1);border-radius:var(--radius);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item + .faq-item{margin-top:14px}
.faq-item[open]{border-color:rgba(124,92,255,.45);box-shadow:0 14px 36px -24px rgba(124,92,255,.7)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;
  border:1px solid rgba(27,26,46,.18);color:#6B4FE0;transition:transform .25s ease,border-color .25s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);border-color:rgba(91,224,200,.9);color:#12A08A}
.faq-item summary .plus svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.faq-answer{position:relative;padding:0 22px 20px 22px;color:var(--paper-dim);font-size:15.5px;line-height:1.9}
.faq-answer::before{
  content:"";position:absolute;left:8px;top:2px;bottom:20px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--mint),rgba(91,224,200,0));
}
.paper .faq-answer{padding-left:36px}

/* ---------- 底部行动卡 ---------- */
.cta-card{
  margin-top:56px;position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:44px;background:linear-gradient(125deg,#1A1846,#0E0D2A 70%);
  border:1px solid rgba(124,92,255,.35);box-shadow:0 30px 70px -34px rgba(124,92,255,.9);
  color:var(--text);display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
.cta-card h3{font-size:clamp(22px,2.6vw,30px)}
.cta-card p{margin-top:12px;color:var(--text-dim);font-size:15.5px}
.cta-card .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.footer{position:relative;background:#08081A;padding:64px 0 28px;margin-top:0}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(124,92,255,.75),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:14.5px;color:var(--text-dim);max-width:320px;line-height:1.75}
.footer-contact{margin-top:18px;display:grid;gap:10px;font-size:14px;color:var(--text-dim)}
.footer-contact span{display:inline-flex;align-items:center;gap:8px}
.footer-contact svg{width:16px;height:16px;fill:none;stroke:var(--mint);stroke-width:1.5;stroke-linecap:round}
.footer-col h4{font-size:15px;letter-spacing:.04em;margin-bottom:16px}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:var(--text-dim)}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--text-dim);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--mint)}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(10,10,30,.97);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  padding:96px 28px 36px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{font-size:21px;font-weight:600;padding:16px 0;border-bottom:1px solid var(--line);color:var(--text-dim)}
.drawer nav a.active{color:var(--text)}
.drawer nav a.active::before{content:"";display:inline-block;width:8px;height:8px;margin-right:12px;border-radius:50%;background:var(--mint)}
.drawer .drawer-cta{margin-top:auto;display:grid;gap:12px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dock-nav{display:none}
  .burger{display:grid}
  .dock-actions{margin-left:auto}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{gap:36px}
  .link-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-card{grid-template-columns:1fr;padding:34px}
  .cta-card .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .cat-hero{padding:120px 0 54px}
  .split{grid-template-columns:1fr;gap:26px}
  .split.flip .split-media{order:0}
  .split + .split{margin-top:52px}
  .link-row{grid-template-columns:1fr}
  .metrics{gap:14px}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .dock{top:10px;width:calc(100% - 20px)}
  .dock-inner{height:58px;padding:0 10px 0 12px;gap:10px}
  .dock.is-mini .dock-inner{height:54px}
  .brand-text em{display:none}
  .dock-actions .btn-sm{display:none}
  .metrics{grid-template-columns:1fr}
  .cat-hero h1{font-size:30px}
  .hero-actions .btn{width:100%}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .paper .faq-answer{padding-left:30px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .table-card header{padding:18px}
  .spec-table th,.spec-table td{padding:13px 18px}
}

/* roulang page: category3 */
:root{
  --bg:#0A0A1E;
  --panel:#141334;
  --primary:#7C5CFF;
  --primary-soft:rgba(124,92,255,.18);
  --accent:#FFC978;
  --mint:#5BE0C8;
  --text:#EDEBFF;
  --text-dim:#A9A5CC;
  --paper:#F7F6FC;
  --paper-text:#1B1A2E;
  --paper-dim:#55526E;
  --line:rgba(255,255,255,.08);
  --line-paper:rgba(27,26,46,.10);
  --radius-lg:26px;
  --radius:18px;
  --radius-sm:12px;
  --shadow-glow:0 24px 60px -24px rgba(124,92,255,.45);
  --shadow-paper:0 12px 32px -18px rgba(27,26,46,.18);
  --font: "PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{letter-spacing:-.02em;margin:0;line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
svg{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media(min-width:768px){ .wrap{padding:0 32px;} }

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 32px);
  max-width:1080px;
  z-index:80;
}
.dock-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  height:64px;
  padding:0 16px 0 18px;
  border-radius:999px;
  background:rgba(14,13,38,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glow);
  transition:height .26s ease,background .26s ease,border-color .26s ease;
}
.dock.shrink .dock-inner{
  height:56px;
  background:rgba(11,10,30,.92);
  border-color:rgba(124,92,255,.28);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(150deg,rgba(124,92,255,.35),rgba(91,224,200,.16));
  border:1px solid rgba(124,92,255,.45);
  color:var(--accent);
}
.brand-mark svg{width:19px;height:19px;stroke-width:1.4;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--text);}
.brand-text em{
  font-style:normal;
  font-size:11px;
  letter-spacing:.16em;
  color:var(--text-dim);
}
.dock-nav{
  display:none;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
  justify-content:center;
}
.dock-nav a{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-dim);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:50%;bottom:5px;
  transform:translateX(-50%) scaleX(0);
  width:60%;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  transition:transform .24s ease;
}
.dock-nav a:hover{color:var(--mint);}
.dock-nav a.active{
  color:var(--text);
  background:var(--primary-soft);
}
.dock-nav a.active::after{transform:translateX(-50%) scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-dim);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{color:var(--mint);border-color:rgba(91,224,200,.5);background:rgba(91,224,200,.08);}
.burger{display:grid;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border:0;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),#A78BFA);
  box-shadow:0 10px 28px -14px rgba(124,92,255,.7);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(124,92,255,.5);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--text);
  background:transparent;
  border:1px solid rgba(255,255,255,.28);
}
.btn-ghost:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;
  inset:0;
  background:rgba(10,10,30,.96);
  backdrop-filter:blur(8px);
  z-index:120;
  display:flex;
  flex-direction:column;
  padding:28px 24px 32px;
  opacity:0;
  visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer nav{margin-top:44px;display:flex;flex-direction:column;gap:6px;}
.drawer nav a{
  font-size:22px;
  font-weight:600;
  padding:14px 4px;
  color:var(--text-dim);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer nav a.active{color:var(--mint);}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ============ 页面横幅 ============ */
.page-banner{
  position:relative;
  padding:150px 0 76px;
  overflow:hidden;
  background-color:var(--bg);
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center 30%;
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(90% 70% at 18% 12%,rgba(124,92,255,.34),transparent 62%),
    linear-gradient(180deg,rgba(10,10,30,.82) 0%,rgba(10,10,30,.94) 62%,var(--bg) 100%);
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:0;
  opacity:.5;
  background-image:
    radial-gradient(1.6px 1.6px at 22% 34%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.4px 1.4px at 68% 22%,rgba(255,201,120,.7),transparent),
    radial-gradient(1.4px 1.4px at 84% 62%,rgba(255,255,255,.6),transparent),
    radial-gradient(1.2px 1.2px at 40% 76%,rgba(91,224,200,.6),transparent);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;max-width:840px;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--text-dim);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:var(--text-dim);}
.crumb a:hover{color:var(--mint);}
.crumb span.sep{color:rgba(169,165,204,.5);}
.crumb strong{color:var(--text);font-weight:600;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--text-dim);
  background:rgba(255,255,255,.03);
}
.tag.gold{border-color:rgba(255,201,120,.5);color:var(--accent);}
.tag svg{width:13px;height:13px;}
.page-banner h1{
  font-size:clamp(32px,5vw,52px);
  font-weight:800;
  line-height:1.15;
  margin-bottom:18px;
}
.page-banner h1 .kw{
  background:linear-gradient(120deg,var(--primary),#A78BFA 45%,var(--mint));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.banner-lead{
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-dim);
  max-width:680px;
}

/* ============ 搜索框 ============ */
.search-panel{
  position:relative;
  z-index:3;
  margin-top:36px;
  padding:22px;
  border-radius:var(--radius-lg);
  background:rgba(20,19,52,.72);
  border:1px solid rgba(124,92,255,.28);
  box-shadow:var(--shadow-glow);
}
.search-panel label{
  display:block;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--text-dim);
  margin-bottom:10px;
}
.search-box{
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 16px;
  height:52px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(124,92,255,.25);
}
.search-box svg{width:19px;height:19px;color:var(--text-dim);flex:0 0 auto;}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text);
  font-size:15.5px;
  font-family:inherit;
}
.search-box input::placeholder{color:rgba(169,165,204,.7);}
.search-clear{
  flex:0 0 auto;
  border:0;
  background:rgba(255,255,255,.06);
  color:var(--text-dim);
  border-radius:999px;
  padding:4px 12px;
  font-size:12.5px;
}
.search-clear:hover{color:var(--mint);}
.search-hint{
  margin-top:12px;
  font-size:13px;
  color:var(--text-dim);
}
.search-hint b{color:var(--accent);font-weight:600;}

/* ============ 快捷跳转 ============ */
.jump-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.jump-bar a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-dim);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
}
.jump-bar a:hover{
  color:var(--mint);
  border-color:rgba(91,224,200,.55);
  background:rgba(91,224,200,.07);
  transform:translateY(-2px);
}
.jump-bar a i{
  font-style:normal;
  font-variant-numeric:tabular-nums;
  color:var(--accent);
  font-size:13px;
}

/* ============ 浅色纸面区 ============ */
.paper-band{
  background:var(--paper);
  color:var(--paper-text);
  padding:72px 0 84px;
  border-radius:40px 40px 0 0;
  margin-top:-28px;
  position:relative;
}
.paper-band::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.55),transparent);
}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--primary);
  margin-bottom:12px;
}
.section-head .eyebrow svg{width:13px;height:13px;}
.section-head h2{
  font-size:clamp(26px,3.4vw,38px);
  font-weight:700;
  color:var(--paper-text);
  margin-bottom:14px;
}
.section-head p{color:var(--paper-dim);font-size:16px;line-height:1.9;}

/* ============ FAQ 组 ============ */
.faq-group{margin-bottom:56px;}
.faq-group:last-of-type{margin-bottom:0;}
.group-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:22px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line-paper);
}
.group-no{
  flex:0 0 auto;
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:14px;
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  background:rgba(124,92,255,.1);
  border:1px solid rgba(124,92,255,.3);
}
.group-head h3{
  font-size:20px;
  font-weight:700;
  color:var(--paper-text);
}
.group-head .count{
  margin-left:auto;
  font-size:13px;
  color:var(--paper-dim);
  font-variant-numeric:tabular-nums;
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line-paper);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.faq-item:hover{
  border-color:rgba(124,92,255,.45);
  box-shadow:var(--shadow-paper);
  transform:translateY(-2px);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:2px;
  border-radius:0 2px 2px 0;
  background:transparent;
  transition:background .22s ease;
}
.faq-item[open]::before{background:var(--mint);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--paper-text);
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q-star{
  flex:0 0 auto;
  margin-top:5px;
  width:14px;height:14px;
  color:var(--primary);
}
.faq-item summary .q-star svg{width:14px;height:14px;}
.faq-item summary .sign{
  flex:0 0 auto;
  margin-left:auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:999px;
  border:1px solid var(--line-paper);
  color:var(--paper-dim);
  transition:transform .26s ease,color .26s ease,border-color .26s ease;
}
.faq-item summary .sign svg{width:14px;height:14px;}
.faq-item[open] summary .sign{
  transform:rotate(45deg);
  color:var(--primary);
  border-color:rgba(124,92,255,.45);
}
.faq-body{
  padding:0 22px 22px 50px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--paper-dim);
}
.faq-body p+p{margin-top:12px;}
.faq-body ol{margin:12px 0 0;padding-left:0;list-style:none;counter-reset:step;}
.faq-body ol li{
  position:relative;
  padding-left:30px;
  margin-bottom:8px;
  counter-increment:step;
}
.faq-body ol li::before{
  content:counter(step);
  position:absolute;
  left:0;top:3px;
  width:20px;height:20px;
  display:grid;place-items:center;
  border-radius:7px;
  font-size:11.5px;
  font-weight:700;
  color:var(--primary);
  background:rgba(124,92,255,.1);
  font-variant-numeric:tabular-nums;
}
.faq-body strong{color:var(--paper-text);font-weight:600;}
.faq-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.faq-body a:hover{color:#5b3fd6;}
.empty-tip{
  display:none;
  padding:26px;
  text-align:center;
  font-size:15px;
  color:var(--paper-dim);
  background:#fff;
  border:1px dashed rgba(124,92,255,.4);
  border-radius:var(--radius);
}
.empty-tip.show{display:block;}

/* ============ 相关入口卡 ============ */
.relate-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  margin-top:8px;
}
.relate-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line-paper);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.relate-card:hover{
  transform:translateY(-3px);
  border-color:rgba(124,92,255,.45);
  box-shadow:var(--shadow-paper);
}
.relate-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:rgba(124,92,255,.08);
}
.relate-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.relate-card:hover .relate-thumb img{transform:scale(1.03);}
.relate-thumb span{
  position:absolute;
  left:14px;top:14px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  color:#fff;
  background:rgba(10,10,30,.72);
  backdrop-filter:blur(6px);
}
.relate-body{padding:20px 22px 22px;}
.relate-body h4{
  font-size:18px;
  font-weight:700;
  color:var(--paper-text);
  margin-bottom:10px;
}
.relate-body p{
  font-size:15px;
  line-height:1.85;
  color:var(--paper-dim);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.relate-foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line-paper);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13.5px;
  color:var(--paper-dim);
}
.relate-foot .go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
}
.relate-foot .go svg{width:15px;height:15px;transition:transform .22s ease;}
.relate-card:hover .relate-foot .go svg{transform:translateX(4px);}

/* ============ 深色 CTA 区 ============ */
.cta-band{
  position:relative;
  background:var(--bg);
  padding:76px 0 84px;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.6),transparent);
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:30px;
  padding:38px 30px;
  border-radius:var(--radius-lg);
  background:linear-gradient(150deg,rgba(20,19,52,.95),rgba(10,10,30,.95));
  border:1px solid rgba(124,92,255,.3);
  box-shadow:var(--shadow-glow);
}
.cta-inner h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  margin-bottom:14px;
}
.cta-inner p{
  color:var(--text-dim);
  font-size:16px;
  line-height:1.9;
  max-width:620px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}
.cta-side{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:22px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
}
.cta-side .row{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14.5px;
  color:var(--text-dim);
}
.cta-side .row svg{width:18px;height:18px;color:var(--mint);flex:0 0 auto;}
.cta-side .row b{color:var(--text);font-weight:600;}

/* ============ 页脚 ============ */
.footer{
  background:#08081A;
  padding:66px 0 30px;
  position:relative;
}
.footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.55),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
}
.footer-brand p{
  margin:16px 0 18px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--text-dim);
  max-width:320px;
}
.footer-contact{display:flex;flex-direction:column;gap:10px;}
.footer-contact span{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:var(--text-dim);
}
.footer-contact svg{width:16px;height:16px;color:var(--accent);flex:0 0 auto;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--text-dim);
}
.footer-col a:hover{color:var(--mint);}
.footer-bottom{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.07);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(169,165,204,.8);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom .links a{color:rgba(169,165,204,.8);}
.footer-bottom .links a:hover{color:var(--mint);}

/* ============ 响应式 ============ */
@media(min-width:768px){
  .relate-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;}
  .cta-inner{grid-template-columns:1.5fr 1fr;align-items:center;padding:44px 40px;}
  .paper-band{padding:84px 0 96px;}
}
@media(min-width:1024px){
  .dock-nav{display:flex;}
  .burger{display:none;}
  .page-banner{padding:172px 0 92px;}
}
@media(max-width:1023px){
  .dock-nav{display:none;}
}
@media(max-width:767px){
  body{font-size:16px;}
  .page-banner{padding:126px 0 62px;}
  .paper-band{border-radius:28px 28px 0 0;padding:56px 0 66px;}
  .faq-item summary{padding:18px 18px;font-size:16px;}
  .faq-body{padding:0 18px 20px 42px;font-size:15px;}
  .cta-inner{padding:30px 22px;}
  .search-panel{padding:18px;}
}
@media(max-width:520px){
  .brand-text em{display:none;}
  .group-head{flex-wrap:wrap;}
  .group-head .count{margin-left:0;width:100%;}
  .jump-bar a{font-size:13.5px;padding:8px 13px;}
  .btn{padding:0 20px;font-size:14.5px;}
}

/* roulang page: category4 */
:root{
  --bg:#0A0A1E;
  --panel:#141334;
  --panel-2:rgba(255,255,255,.04);
  --primary:#7C5CFF;
  --primary-2:#A78BFA;
  --accent:#FFC978;
  --mint:#5BE0C8;
  --text:#EDEBFF;
  --text-dim:#A9A5CC;
  --paper:#F7F6FC;
  --paper-text:#1B1A2E;
  --paper-dim:#55526E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --r-xl:26px;
  --r-lg:18px;
  --r-sm:12px;
  --glow:0 24px 60px -24px rgba(124,92,255,.45);
  --glow-soft:0 12px 32px -18px rgba(27,26,46,.18);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--accent);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:18px;height:1px;background:linear-gradient(90deg,transparent,var(--accent));
}
.grad-line{height:1px;width:100%;background:linear-gradient(90deg,transparent,rgba(124,92,255,.85),transparent)}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;z-index:60;
  border-radius:999px;
  background:rgba(14,13,38,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 18px 44px -22px rgba(124,92,255,.55);
  transition:background .3s ease,box-shadow .3s ease;
}
.dock.shrink{background:rgba(10,10,30,.92);box-shadow:0 16px 40px -20px rgba(124,92,255,.65)}
.dock-inner{
  display:flex;align-items:center;gap:16px;
  height:64px;padding:0 14px 0 18px;
  transition:height .3s ease;
}
.dock.shrink .dock-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:12px;
  background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.38);
}
.brand-mark svg{width:19px;height:19px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:700}
.brand-text em{font-style:normal;font-size:10.5px;letter-spacing:.16em;color:var(--text-dim)}
.dock-nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center}
.dock-nav a{
  position:relative;padding:8px 13px;border-radius:999px;
  font-size:14px;color:var(--text-dim);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a:hover{color:var(--mint)}
.dock-nav a.active{color:#fff;background:rgba(124,92,255,.18)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--mint),var(--primary));
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-dim);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{color:var(--mint);border-color:rgba(91,224,200,.45);background:rgba(91,224,200,.08)}
.burger{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{
  color:#fff;
  background:linear-gradient(120deg,var(--primary),var(--primary-2));
  box-shadow:0 14px 32px -18px rgba(124,92,255,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(124,92,255,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--text);border:1px solid rgba(255,255,255,.28);background:transparent;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:70;
  background:rgba(10,10,30,.96);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:none;flex-direction:column;
  padding:104px 28px 32px;gap:4px;
}
.drawer.open{display:flex;animation:fadeIn .25s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.drawer a.drawer-link{
  font-size:22px;font-weight:600;padding:14px 4px;
  border-bottom:1px solid var(--line);color:var(--text);
}
.drawer a.drawer-link:hover{color:var(--mint)}
.drawer .btn{margin-top:22px}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  padding:150px 0 72px;
  background-image:linear-gradient(180deg,rgba(10,10,30,.72),rgba(10,10,30,.96)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center 30%;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 320px at 18% 34%,rgba(124,92,255,.30),transparent 68%);
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-dim);letter-spacing:.02em}
.crumb a{color:var(--text-dim);transition:color .2s ease}
.crumb a:hover{color:var(--mint)}
.crumb span[aria-current]{color:var(--text)}
.crumb i{font-style:normal;opacity:.5}
.page-hero h1{
  margin:20px 0 16px;
  font-size:clamp(32px,5vw,54px);font-weight:800;line-height:1.15;
}
.page-hero h1 .hl{
  background:linear-gradient(100deg,var(--mint),var(--primary-2) 60%,var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{max-width:640px;font-size:17px;color:var(--text-dim)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  border:1px solid var(--line-strong);font-size:13px;color:var(--text-dim);
}
.badge svg{width:14px;height:14px;fill:none;stroke:var(--mint);stroke-width:1.6;stroke-linejoin:round}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 板块 ---------- */
.section{padding:80px 0;position:relative}
.section--tight{padding:64px 0}
.section--paper{
  background:var(--paper);color:var(--paper-text);
  border-top:1px solid rgba(27,26,46,.08);
}
.section--paper .sec-desc{color:var(--paper-dim)}
.section--paper .eyebrow{color:#6b4fd8}
.section--paper .eyebrow::before{background:linear-gradient(90deg,transparent,#6b4fd8)}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:38px;
}
.sec-head h2{font-size:clamp(24px,3.4vw,36px);margin-top:12px}
.sec-desc{max-width:520px;font-size:15.5px;color:var(--text-dim)}

/* 指标条 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 22px 20px;
  background:linear-gradient(160deg,rgba(124,92,255,.12),rgba(20,19,52,.66));
  transition:border-color .25s ease,transform .25s ease;
}
.metric:hover{border-color:rgba(91,224,200,.42);transform:translateY(-3px)}
.metric b{display:block;font-size:28px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-dim)}

/* 平台矩阵 */
.layout-matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:start}
.matrix-side{display:grid;gap:22px}
.card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:rgba(20,19,52,.72);
  padding:26px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.card:hover{border-color:rgba(124,92,255,.5);box-shadow:var(--glow)}
.card-feature{padding:0;overflow:hidden}
.card-feature .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-feature:hover .thumb img{transform:scale(1.03)}
.card-feature .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,10,30,.1),rgba(10,10,30,.82));
}
.card-feature .thumb .tag{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(124,92,255,.9);color:#fff;
}
.card-feature .body{padding:26px}
.card h3{font-size:21px;margin-bottom:10px}
.card p{font-size:15.5px;color:var(--text-dim)}
.checklist{margin-top:16px;display:grid;gap:10px}
.checklist li{display:flex;gap:10px;font-size:14.5px;color:var(--text-dim)}
.checklist li svg{flex:0 0 auto;width:15px;height:15px;margin-top:6px;fill:none;stroke:var(--accent);stroke-width:1.6;stroke-linejoin:round}
.card .divider{height:1px;background:var(--line);margin:20px 0 16px}
.card-kv{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text-dim)}
.card-kv b{color:var(--text);font-weight:600}

/* 表格 */
.table-shell{
  margin-top:24px;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow-x:auto;background:rgba(20,19,52,.55);
}
table.spec{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}
table.spec th,table.spec td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line)}
table.spec th{font-size:13px;letter-spacing:.08em;color:var(--accent);font-weight:600;background:rgba(124,92,255,.1)}
table.spec tbody tr:nth-child(odd){background:rgba(255,255,255,.02)}
table.spec tbody tr:hover{background:rgba(124,92,255,.09)}
table.spec td:first-child{color:var(--text);font-weight:600}
table.spec td{color:var(--text-dim)}

/* 时间轴 */
.timeline{position:relative;padding-left:30px;display:grid;gap:26px}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(124,92,255,.8),rgba(91,224,200,.25),transparent);
}
.timeline li{position:relative}
.tl-dot{
  position:absolute;left:-30px;top:9px;width:13px;height:13px;border-radius:50%;
  background:var(--bg);border:1px solid var(--mint);
  box-shadow:0 0 0 4px rgba(91,224,200,.12);
}
.tl-body{border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;background:rgba(20,19,52,.6);transition:border-color .25s ease}
.tl-body:hover{border-color:rgba(255,201,120,.45)}
.tl-body time{font-size:13px;letter-spacing:.06em;color:var(--accent);font-variant-numeric:tabular-nums}
.tl-body h3{font-size:18px;margin:8px 0 8px}
.tl-body p{font-size:15px;color:var(--text-dim)}

/* 图文区 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.split .media{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);position:relative}
.split .media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split .media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(124,92,255,.16),rgba(10,10,30,.5))}
.step-list{display:grid;gap:18px;margin-top:22px}
.step-list li{display:flex;gap:16px;align-items:flex-start}
.step-no{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--mint);border:1px solid rgba(91,224,200,.35);background:rgba(91,224,200,.08);
}
.step-list h3{font-size:17px;margin-bottom:6px}
.step-list p{font-size:15px;color:var(--text-dim)}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-group{margin-bottom:34px}
.faq-group > h3{
  font-size:15px;letter-spacing:.1em;color:#6b4fd8;margin-bottom:14px;
}
.faq-item{
  border:1px solid rgba(27,26,46,.12);border-radius:var(--r-lg);
  background:#fff;margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(124,92,255,.4)}
.faq-item.open{border-color:rgba(124,92,255,.55);box-shadow:0 12px 32px -18px rgba(27,26,46,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--paper-text);text-align:left;
}
.faq-q .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .3s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:#6b4fd8;border-radius:2px;
}
.faq-q .plus::before{left:0;top:10px;width:22px;height:2px}
.faq-q .plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a .inner{padding:0 22px 22px 22px;position:relative}
.faq-a .inner::before{
  content:"";position:absolute;left:22px;top:2px;bottom:22px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--mint),rgba(91,224,200,0));
}
.faq-a p{padding-left:18px;font-size:15.5px;line-height:1.9;color:var(--paper-dim)}

/* 内链卡 */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.link-card{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  background:rgba(20,19,52,.6);display:flex;flex-direction:column;gap:10px;
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.link-card:hover{transform:translateY(-3px);border-color:rgba(91,224,200,.5);background:rgba(124,92,255,.12)}
.link-card h3{font-size:18px}
.link-card p{font-size:14.5px;color:var(--text-dim)}
.link-card .more{margin-top:auto;font-size:14px;color:var(--mint);display:inline-flex;align-items:center;gap:6px}
.link-card .more svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* CTA 卡 */
.cta-card{
  border-radius:var(--r-xl);padding:44px 40px;
  border:1px solid rgba(124,92,255,.35);
  background:linear-gradient(120deg,rgba(124,92,255,.22),rgba(20,19,52,.9) 62%);
  box-shadow:var(--glow);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-card h2{font-size:clamp(22px,3vw,30px)}
.cta-card p{margin-top:10px;font-size:15.5px;color:var(--text-dim);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.footer{
  background:#08081A;border-top:1px solid var(--line);
  padding:64px 0 26px;margin-top:0;position:relative;
}
.footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.85),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--text-dim);max-width:300px}
.footer-contact{display:grid;gap:10px;margin-top:18px}
.footer-contact span{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-dim)}
.footer-contact svg{width:16px;height:16px;fill:none;stroke:var(--mint);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-dim);transition:color .2s ease}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13.5px;color:var(--text-dim);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a{color:var(--text-dim);transition:color .2s ease}
.footer-bottom .links a:hover{color:var(--mint)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dock-nav{display:none}
  .burger{display:grid}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .layout-matrix{grid-template-columns:1fr}
  .link-cards{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero{padding:132px 0 62px}
}
@media (max-width:768px){
  .section{padding:62px 0}
  .split{grid-template-columns:1fr;gap:26px}
  .split .media{order:-1}
  .cta-card{padding:32px 26px}
  .link-cards{grid-template-columns:1fr}
  .sec-head{margin-bottom:28px}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .metrics{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .dock-inner{padding:0 12px 0 14px}
  .btn{padding:0 18px;font-size:14.5px}
  .page-hero{padding:120px 0 52px}
  .card{padding:22px}
  .faq-q{padding:18px;font-size:16px}
}