/* roulang page: index */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1222;
  --bg-2:#111A2E;
  --line:rgba(122,158,214,.14);
  --line-strong:rgba(122,158,214,.28);
  --top-hl:rgba(255,255,255,.06);
  --ink-0:#F2F6FF;
  --ink-1:#A9B8D4;
  --ink-2:#6C7C99;
  --brand:#2CE0C0;
  --brand-deep:#0E9E8C;
  --accent:#FFB43C;
  --warn:#FF6B6B;
  --r-card:18px;
  --r-cover:22px;
  --r-btn:12px;
  --r-img:14px;
  --r-input:12px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --glow-brand:0 0 0 1px rgba(44,224,192,.45), 0 12px 30px -10px rgba(44,224,192,.40);
  --glow-accent:0 0 0 1px rgba(255,180,60,.45), 0 12px 30px -10px rgba(255,180,60,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dock-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink-0);font-weight:600;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0;scroll-margin-top:110px}
.section--tight{padding:72px 0}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--brand);text-transform:none}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{font-size:30px;font-weight:600;letter-spacing:-.01em;display:flex;align-items:center;gap:12px}
.sec-desc{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:620px}
.dotgrid{
  width:26px;height:26px;flex:0 0 auto;
  background-image:radial-gradient(circle,var(--brand) 1.5px,transparent 1.6px);
  background-size:9px 9px;background-position:1px 1px;
  opacity:.5;border-radius:2px;
}
.dotgrid--accent{background-image:radial-gradient(circle,var(--accent) 1.5px,transparent 1.6px);opacity:.6}

/* ============ Dock 导航 ============ */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:90;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;
  width:100%;max-width:1080px;
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 18px;
  border-radius:999px;
  background:rgba(11,18,34,.72);
  border:1px solid var(--line);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.9), inset 0 1px 0 var(--top-hl);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:padding .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.dock.is-scrolled{padding:6px 12px 6px 16px;background:rgba(11,18,34,.88);box-shadow:0 22px 46px -26px rgba(0,0,0,.95), inset 0 1px 0 var(--top-hl)}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--ink-0);font-weight:600;font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--brand)}
.brand__mark{display:grid;grid-template-columns:repeat(3,4px);gap:3px;padding:6px;border-radius:10px;background:rgba(44,224,192,.10);border:1px solid rgba(44,224,192,.24)}
.brand__mark i{width:4px;height:4px;border-radius:1px;background:var(--brand);opacity:.85;display:block}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__text small{font-size:11px;font-weight:400;color:var(--ink-2);letter-spacing:.06em}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{position:relative;padding:9px 12px;border-radius:999px;font-size:14px;color:var(--ink-1);min-height:44px;display:inline-flex;align-items:center}
.dock-nav a:hover{color:var(--ink-0);background:rgba(44,224,192,.08)}
.dock-nav a.is-active{color:var(--brand);background:rgba(44,224,192,.10)}
.dock-nav a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;border-radius:2px;background:var(--brand);opacity:.85}
.dock-tools{display:flex;align-items:center;gap:8px}
.search-pill{display:flex;align-items:center;gap:8px;background:rgba(17,26,46,.66);border:1px solid var(--line);border-radius:999px;padding:0 12px;height:44px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),width .2s var(--ease);width:170px}
.search-pill:focus-within{border-color:rgba(44,224,192,.55);box-shadow:0 0 0 4px rgba(44,224,192,.08)}
.search-pill svg{flex:0 0 auto;opacity:.7}
.search-pill input{width:100%;background:none;border:none;outline:none;font-size:13px;color:var(--ink-0)}
.search-pill input::placeholder{color:var(--ink-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:12px 22px;min-height:46px;transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn--primary{background:linear-gradient(180deg,#FFC562,#F2A323);color:#2A1D02;box-shadow:var(--glow-accent)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,180,60,.55),0 16px 34px -10px rgba(255,180,60,.5);color:#2A1D02}
.btn--ghost{background:rgba(17,26,46,.55);border:1px solid rgba(44,224,192,.34);color:var(--ink-0);box-shadow:inset 0 1px 0 var(--top-hl)}
.btn--ghost:hover{color:var(--ink-0);border-color:rgba(44,224,192,.7);box-shadow:0 0 0 1px rgba(44,224,192,.35);transform:translateY(-1px)}
.btn--pill{border-radius:999px}
.btn--sm{padding:9px 16px;font-size:14px;min-height:44px}
.btn--link{padding:0;min-height:44px;color:var(--brand);font-weight:600;background:none;box-shadow:none}
.btn--link:hover{text-decoration:underline;text-underline-offset:5px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;background:rgba(17,26,46,.6)}
.burger span{display:block;width:18px;height:2px;background:var(--ink-0);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-0);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.mobile-panel{position:fixed;inset:0;z-index:95;display:none}
.mobile-panel.is-open{display:block}
.mobile-panel__mask{position:absolute;inset:0;background:rgba(4,7,14,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.mobile-panel__card{position:absolute;left:12px;right:12px;top:12px;border-radius:24px;background:rgba(11,18,34,.96);border:1px solid var(--line);box-shadow:0 26px 60px -30px #000;padding:18px}
.mobile-panel__card a{display:flex;align-items:center;min-height:48px;padding:0 8px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-1)}
.mobile-panel__card a.is-active{color:var(--brand);font-weight:600}
.mobile-panel__card .btn{margin-top:16px;width:100%}

/* ============ Hero ============ */
.hero{position:relative;padding:150px 0 96px;overflow:hidden;background:var(--bg-0)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(122,158,214,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(122,158,214,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(120% 80% at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 80% at 50% 0%,#000 30%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;width:720px;height:720px;left:-160px;top:-280px;pointer-events:none;
  background:radial-gradient(circle,rgba(44,224,192,.12),transparent 62%);
}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:44px;font-weight:700;line-height:1.25;letter-spacing:-.02em;margin:18px 0 18px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero__sub{font-size:17px;color:var(--ink-1);max-width:520px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero__stats{display:flex;gap:28px;margin-top:38px;flex-wrap:wrap}
.stat__num{font-size:24px;font-weight:700;color:var(--ink-0);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat__label{font-size:13px;color:var(--ink-2);margin-top:2px}
.hero__cover{position:relative;border-radius:var(--r-cover);overflow:hidden;border:1px solid var(--line);background:rgba(17,26,46,.55);box-shadow:var(--shadow-card);aspect-ratio:16/11}
.hero__cover img{width:100%;height:100%;object-fit:cover}
.hero__cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.12),rgba(6,10,20,.42))}
.hero__cover .corner{position:absolute;z-index:3;left:18px;bottom:18px;display:flex;align-items:center;gap:10px;padding:8px 14px;border-radius:999px;background:rgba(6,10,20,.62);border:1px solid var(--line);font-size:12px;color:var(--ink-1);backdrop-filter:blur(8px)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(44,224,192,.16)}

/* ============ 目录卡 ============ */
.dir-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.dir-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-card);border:1px solid var(--line);
  background:rgba(17,26,46,.55);box-shadow:var(--shadow-card), inset 0 1px 0 var(--top-hl);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.dir-card:hover{transform:translateY(-4px);border-color:rgba(44,224,192,.42);box-shadow:0 24px 48px -26px rgba(0,0,0,.95),0 0 0 1px rgba(44,224,192,.2)}
.dir-card--a{grid-column:span 6}
.dir-card--b{grid-column:span 6}
.dir-card--c{grid-column:span 8}
.dir-card--d{grid-column:span 4}
.dir-card__media{position:relative;aspect-ratio:16/7;overflow:hidden}
.dir-card--d .dir-card__media{aspect-ratio:16/11}
.dir-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.dir-card:hover .dir-card__media img{transform:scale(1.03)}
.dir-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.05),rgba(6,10,20,.55))}
.dir-card__no{position:absolute;top:14px;left:16px;z-index:2;font-size:12px;letter-spacing:.08em;color:var(--ink-0);background:rgba(6,10,20,.6);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-variant-numeric:tabular-nums}
.dir-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.dir-card__title{font-size:20px;font-weight:600;color:var(--ink-0)}
.dir-card__desc{font-size:14.5px;color:var(--ink-1);line-height:1.75}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;letter-spacing:.08em;padding:5px 11px;border-radius:999px;color:var(--ink-1);background:rgba(122,158,214,.08);border:1px solid var(--line)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;padding:4px 11px;border-radius:999px;color:var(--brand);background:rgba(44,224,192,.12);border:1px solid rgba(44,224,192,.28)}
.badge--accent{color:var(--accent);background:rgba(255,180,60,.12);border-color:rgba(255,180,60,.32)}
.dir-card__more{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand)}
.dir-card__more i{font-style:normal;transition:transform .2s var(--ease)}
.dir-card:hover .dir-card__more i{transform:translateX(4px)}

/* ============ 精选 ============ */
.pick-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.pick-wide{grid-column:span 12;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);overflow:hidden;border-radius:var(--r-cover);border:1px solid var(--line);background:rgba(17,26,46,.55);box-shadow:var(--shadow-card), inset 0 1px 0 var(--top-hl);transition:transform .2s var(--ease),border-color .2s var(--ease)}
.pick-wide:hover{transform:translateY(-4px);border-color:rgba(44,224,192,.42)}
.pick-wide__media{position:relative;aspect-ratio:16/10;overflow:hidden}
.pick-wide__media img{width:100%;height:100%;object-fit:cover}
.pick-wide__body{padding:30px 32px;display:flex;flex-direction:column;gap:14px}
.pick-wide__body h3{font-size:24px}
.pick-card{grid-column:span 4;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:rgba(17,26,46,.55);box-shadow:var(--shadow-card), inset 0 1px 0 var(--top-hl);transition:transform .2s var(--ease),border-color .2s var(--ease)}
.pick-card:hover{transform:translateY(-4px);border-color:rgba(44,224,192,.42)}
.pick-card__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.pick-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.pick-card:hover .pick-card__media img{transform:scale(1.03)}
.pick-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pick-card__body h3{font-size:17px;line-height:1.5}
.meta-line{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;flex-wrap:wrap}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.news-row{
  display:flex;align-items:flex-start;gap:16px;
  padding:20px 22px;min-height:88px;
  border-radius:var(--r-card);border:1px solid var(--line);
  background:rgba(17,26,46,.5);box-shadow:inset 0 1px 0 var(--top-hl);
  transition:transform .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.news-row:hover{transform:translateY(-3px);border-color:rgba(44,224,192,.42);background:rgba(17,26,46,.72);color:inherit}
.news-row__body{min-width:0;display:flex;flex-direction:column;gap:8px}
.news-row__title{font-size:16.5px;font-weight:600;color:var(--ink-0);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row__desc{font-size:14px;color:var(--ink-1);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.news-row__time{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.news-row__arrow{margin-left:auto;flex:0 0 auto;color:var(--brand);font-size:18px;line-height:1;padding-top:4px;transition:transform .18s var(--ease)}
.news-row:hover .news-row__arrow{transform:translateX(4px)}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;border-radius:var(--r-card);border:1px dashed var(--line-strong);background:rgba(17,26,46,.4)}
.empty-state .dotgrid{margin:0 auto 18px}
.empty-state p{color:var(--ink-1);font-size:15px;margin-bottom:20px}

/* ============ 信任/说明 ============ */
.value-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value-item{padding:26px 24px;border-radius:var(--r-card);border:1px solid var(--line);background:rgba(17,26,46,.45);transition:border-color .2s var(--ease),transform .2s var(--ease)}
.value-item:hover{border-color:rgba(44,224,192,.34);transform:translateY(-3px)}
.value-item h3{font-size:17px;margin:16px 0 10px}
.value-item p{font-size:14.5px;color:var(--ink-1);line-height:1.8}
.vnum{font-size:13px;color:var(--brand);letter-spacing:.08em;font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 6px 20px 18px;min-height:44px;position:relative;font-size:16.5px;font-weight:600;color:var(--ink-0)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:22px;bottom:auto;width:3px;height:20px;border-radius:2px;background:var(--brand);opacity:0;transition:opacity .2s var(--ease)}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{content:"+";flex:0 0 auto;color:var(--brand);font-size:20px;font-weight:400;transition:transform .2s var(--ease)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--brand)}
.faq-answer{padding:0 6px 22px 18px;font-size:15px;color:var(--ink-1);line-height:1.85}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:38px 40px;border-radius:var(--r-cover);
  border:1px solid var(--line);background:rgba(17,26,46,.6);
  box-shadow:var(--shadow-card), inset 0 1px 0 var(--top-hl);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.cta-card::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;background:radial-gradient(circle,rgba(44,224,192,.12),transparent 62%);pointer-events:none}
.cta-card h2{font-size:26px;margin-bottom:10px}
.cta-card p{color:var(--ink-2);font-size:14.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.share-tip{font-size:12.5px;color:var(--ink-2);margin-top:10px;width:100%;text-align:right}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.footer-brand{display:flex;flex-direction:column;gap:14px}
.footer-brand p{font-size:14px;color:var(--ink-2);max-width:360px}
.footer-col h4{font-size:14px;color:var(--ink-0);letter-spacing:.04em;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--ink-1);padding:7px 0;min-height:36px}
.footer-col a:hover{color:var(--brand)}
.footer-note{padding:22px 0;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-2);line-height:1.9}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:22px;flex-wrap:wrap;font-size:13px;color:var(--ink-2)}
.footer-bottom .to-top{display:inline-flex;align-items:center;gap:8px;color:var(--ink-1);min-height:44px}
.footer-bottom .to-top:hover{color:var(--brand)}

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

@media (max-width:1279px){
  .hero h1{font-size:40px}
}
@media (max-width:1023px){
  .dock-nav,.search-pill{display:none}
  .burger{display:flex}
  .dock{justify-content:space-between;border-radius:20px}
  .hero{padding:130px 0 72px}
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .dir-card--a,.dir-card--b,.dir-card--c,.dir-card--d{grid-column:span 6}
  .pick-card{grid-column:span 6}
  .pick-wide{grid-template-columns:1fr}
  .pick-wide__media{aspect-ratio:16/9}
  .news-grid{grid-template-columns:1fr}
  .value-list{grid-template-columns:1fr;gap:16px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero{padding:118px 0 56px}
  .hero h1{font-size:29px}
  .hero__sub{font-size:16px}
  .hero__stats{gap:20px}
  .sec-title{font-size:23px}
  .sec-head{margin-bottom:28px}
  .dir-card--a,.dir-card--b,.dir-card--c,.dir-card--d{grid-column:span 12}
  .pick-card{grid-column:span 12}
  .pick-wide__body{padding:22px 20px}
  .pick-wide__body h3{font-size:20px}
  .cta-card{padding:28px 22px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .section{padding:56px 0}
  .faq-item summary{font-size:15.5px;padding:18px 4px 18px 16px}
  .faq-answer{padding:0 4px 20px 16px}
}

/* roulang page: article */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1222;
  --bg-2:#111A2E;
  --line:rgba(122,158,214,.14);
  --hi:rgba(255,255,255,.06);
  --ink-0:#F2F6FF;
  --ink-1:#A9B8D4;
  --ink-2:#6C7C99;
  --brand:#2CE0C0;
  --brand-deep:#0E9E8C;
  --accent:#FFB43C;
  --warn:#FF6B6B;
  --glass:rgba(17,26,46,.55);
  --glass-2:rgba(11,18,34,.72);
  --r-card:18px;
  --r-lg:22px;
  --r-btn:12px;
  --r-img:14px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.9);
  --ease:200ms cubic-bezier(.22,.61,.36,1);
  --dock-h:64px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(122,158,214,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(122,158,214,.04) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4{color:var(--ink-0);margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:16px 20px 0;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1080px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px;
  border-radius:999px;
  background:var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
  transition:padding var(--ease),backdrop-filter var(--ease),background var(--ease);
}
.site-header.is-scrolled .dock{padding:7px 12px;background:rgba(9,15,29,.86);backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  width:21px;height:21px;
  flex:0 0 auto;
}
.brand__mark i{display:block;background:var(--brand);opacity:.5;border-radius:1px}
.brand__mark i:nth-child(5){opacity:.95}
.brand__text{display:flex;flex-direction:column;line-height:1.15;font-size:14px;font-weight:600;color:var(--ink-0);white-space:nowrap}
.brand__text small{font-size:10px;font-weight:400;color:var(--ink-2);letter-spacing:.08em}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap}
.dock-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:999px;
  font-size:13.5px;
  color:var(--ink-1);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.dock-nav a:hover{color:var(--ink-0);background:rgba(44,224,192,.08)}
.dock-nav a.is-active{color:var(--brand);background:rgba(44,224,192,.10);box-shadow:inset 0 0 0 1px rgba(44,224,192,.28)}
.dock-nav a.is-active::after{content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--brand)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;margin-left:6px}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--ink-1);
  background:rgba(17,26,46,.4);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(44,224,192,.4);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(1px)}
.dock-search{display:none;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:rgba(6,10,20,.7);transition:border-color var(--ease),box-shadow var(--ease)}
.dock-search.is-open{display:inline-flex}
.dock-search:focus-within{border-color:rgba(44,224,192,.55);box-shadow:0 0 0 4px rgba(44,224,192,.10)}
.dock-search input{width:170px;background:transparent;border:0;color:var(--ink-0);outline:none}
.dock-search input::placeholder{color:var(--ink-2)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink-0);background:rgba(17,26,46,.4)}
.menu-toggle span{display:block;width:16px;height:1.5px;background:currentColor;border-radius:2px;margin:3px auto}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:999px;
  font-size:14.5px;font-weight:600;
  letter-spacing:.01em;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px}
.btn-primary{
  background:linear-gradient(180deg,#FFC566,#F0A321);
  color:#20160A;
  box-shadow:0 0 0 1px rgba(255,180,60,.45),0 12px 30px -10px rgba(255,180,60,.4);
}
.btn-primary:hover{color:#20160A;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,180,60,.6),0 16px 34px -10px rgba(255,180,60,.5)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,180,60,.35),0 6px 16px -10px rgba(255,180,60,.35)}
.btn-ghost{
  background:rgba(44,224,192,.06);
  color:var(--ink-0);
  border:1px solid rgba(44,224,192,.38);
  box-shadow:0 0 0 1px rgba(44,224,192,.10),0 12px 30px -18px rgba(44,224,192,.4);
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(44,224,192,.65);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(44,224,192,.35),0 14px 32px -12px rgba(44,224,192,.4)}
.btn-ghost:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(44,224,192,.2)}
.btn-text{min-height:36px;padding:0 4px;color:var(--brand);font-weight:600}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(4,7,14,.66);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-panel{
  position:fixed;left:16px;right:16px;top:84px;z-index:80;
  background:rgba(11,18,34,.94);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow);
  padding:14px;
  transform:translateY(-10px);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-panel a.m-item{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:12px;font-size:14.5px;color:var(--ink-1)}
.mobile-panel a.m-item:hover{background:rgba(44,224,192,.08);color:var(--ink-0)}
.mobile-panel a.m-item.is-active{color:var(--brand);background:rgba(44,224,192,.10);box-shadow:inset 0 0 0 1px rgba(44,224,192,.28)}
.mobile-panel .m-cta{margin-top:10px;width:100%}
.mobile-panel .m-divider{height:1px;background:var(--line);margin:10px 0}

/* ---------- 通用组件 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:999px;
  font-size:12px;letter-spacing:.08em;
  color:var(--brand);
  background:rgba(44,224,192,.12);
  box-shadow:inset 0 0 0 1px rgba(44,224,192,.28);
}
.badge--accent{color:var(--accent);background:rgba(255,180,60,.12);box-shadow:inset 0 0 0 1px rgba(255,180,60,.3)}
.dot-grid{display:grid;grid-template-columns:repeat(3,4px);gap:3px}
.dot-grid i{width:4px;height:4px;border-radius:1px;background:var(--brand);opacity:.35}
.dot-grid i:nth-child(5){opacity:.8}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:28px;display:flex;align-items:center;gap:12px}
.section-head p{color:var(--ink-2);font-size:14px;margin-top:6px}
.card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
  padding:22px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(44,224,192,.3);box-shadow:0 0 0 1px rgba(44,224,192,.16),0 24px 48px -26px rgba(0,0,0,.95)}
.line{height:1px;background:var(--line)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:36px 0 26px;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;top:-180px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(44,224,192,.12),transparent 70%);
  pointer-events:none;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:20px;flex-wrap:nowrap;overflow:hidden}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--ink-2);opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:44ch}
.article-title-group{max-width:860px}
.article-title-group h1{
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.25;
  letter-spacing:-.02em;
  font-weight:700;
  margin:16px 0 16px;
}
.meta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-2)}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.7}
.meta-row .num{font-variant-numeric:tabular-nums}

/* ---------- 阅读区 ---------- */
.reading-wrap{
  display:grid;
  grid-template-columns:minmax(0,760px) 220px;
  gap:44px;
  justify-content:center;
  align-items:start;
  padding-bottom:8px;
}
.article-body{
  background:rgba(11,18,34,.55);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:38px 40px;
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
  font-size:16px;
  line-height:1.9;
  color:var(--ink-1);
  overflow-wrap:break-word;
}
.article-body > * + *{margin-top:1.2em}
.article-body p{font-size:16px;line-height:1.9}
.article-body h2{
  position:relative;
  font-size:26px;
  line-height:1.4;
  padding-left:16px;
  margin-top:2em;
  scroll-margin-top:110px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.35em;width:3px;height:1.1em;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:19px;margin-top:1.6em;scroll-margin-top:110px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(44,224,192,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body strong{color:var(--ink-0)}
.article-body ul,.article-body ol{padding-left:1.3em}
.article-body li{margin-top:.5em;line-height:1.85}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-variant-numeric:tabular-nums}
.article-body blockquote{
  margin-left:0;margin-right:0;
  padding:16px 18px;
  border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;
  background:var(--glass);
  color:var(--ink-1);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.article-body img{border-radius:var(--r-img);width:100%;height:auto}
.article-body figure{margin:0}
.article-body figcaption{font-size:13px;color:var(--ink-2);margin-top:10px;text-align:center}
.article-body pre{
  background:rgba(4,8,16,.85);
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px;
  overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  line-height:1.7;
  color:#D8E4FA;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  background:rgba(4,8,16,.7);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
  color:#CFE9E3;
}
.article-body pre code{background:none;border:0;padding:0}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.article-body table{width:100%;border-collapse:collapse;min-width:520px;font-size:14.5px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{color:var(--ink-0);background:rgba(17,26,46,.6);font-weight:600}
.article-body tr:last-child td{border-bottom:0}

/* 目录 */
.toc{
  position:sticky;
  top:104px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
}
.toc h4{font-size:13px;letter-spacing:.08em;color:var(--ink-2);font-weight:600;display:flex;align-items:center;gap:8px}
.toc-list{margin-top:12px;display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow:auto}
.toc-list a{display:block;font-size:13.5px;color:var(--ink-1);padding:7px 10px;border-radius:10px;line-height:1.5;border-left:2px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease)}
.toc-list a:hover{background:rgba(44,224,192,.08);color:var(--ink-0)}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(44,224,192,.08)}
.toc-toggle{display:none}

/* 文末动作 */
.action-card{
  margin-top:32px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.action-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.action-row .hint{font-size:13px;color:var(--ink-2);margin-left:auto}
.copy-tip{font-size:12px;color:var(--brand);opacity:0;transition:opacity var(--ease)}
.copy-tip.is-on{opacity:1}

/* 相关推荐 */
.related-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--glass)}
.related-list a{
  display:grid;
  grid-template-columns:1fr auto;
  gap:16px;
  align-items:center;
  padding:18px 22px;
  min-height:72px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease),padding-left var(--ease);
}
.related-list a:last-child{border-bottom:0}
.related-list a:hover{background:rgba(44,224,192,.06);padding-left:26px}
.related-list a:hover .r-title{color:var(--brand)}
.r-title{font-size:15.5px;color:var(--ink-0);font-weight:500;line-height:1.6}
.r-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--ink-2);margin-top:6px;flex-wrap:wrap}
.r-arrow{color:var(--brand);font-size:18px;opacity:.6;transition:transform var(--ease),opacity var(--ease)}
.related-list a:hover .r-arrow{transform:translateX(4px);opacity:1}

.back-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}

/* 空态 */
.empty-state{
  text-align:center;
  padding:64px 24px;
  background:var(--glass);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
}
.empty-state .dot-grid{margin:0 auto 18px;grid-template-columns:repeat(3,6px);gap:4px}
.empty-state .dot-grid i{width:6px;height:6px}
.empty-state p{font-size:16px;color:var(--ink-1);margin-bottom:18px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:72px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,18,34,.4),rgba(6,10,20,.9));position:relative;z-index:1}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding:56px 0 36px}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-top:16px;max-width:34ch}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--ink-2);font-weight:600;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--ink-1);padding:7px 0;min-height:36px}
.footer-col a:hover{color:var(--brand)}
.footer-note{border-top:1px solid var(--line);padding:22px 0;font-size:13px;color:var(--ink-2);line-height:1.9}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 34px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--ink-2)}
.footer-bottom .to-top{margin-left:auto;color:var(--brand)}
.footer-bottom .to-top:hover{text-decoration:underline;text-underline-offset:4px}

@media (prefers-reduced-motion: reduce){
  *{transition:none!important;animation:none!important}
  .card:hover,.btn:hover{transform:none}
}

@media (max-width:1023px){
  .dock-nav,.dock-search{display:none!important}
  .menu-toggle{display:inline-flex}
  .dock-actions .btn-primary{display:none}
  .reading-wrap{grid-template-columns:minmax(0,1fr);gap:20px}
  .toc{position:static;order:-1}
  .toc-toggle{display:inline-flex}
  .toc-list{max-height:none;display:none}
  .toc.is-open .toc-list{display:flex}
  .article-body{padding:30px 26px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .brand__text small{display:none}
  .brand__text{font-size:13px}
  .article-body{padding:24px 20px}
  .article-body h2{font-size:22px}
  .section{padding:56px 0}
  .footer-top{grid-template-columns:1fr;gap:26px;padding:44px 0 28px}
  .related-list a{grid-template-columns:1fr;padding:16px 18px}
  .r-arrow{display:none}
  .action-row .hint{margin-left:0;width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .site-header{padding:12px 12px 0}
  .dock{padding:8px 10px;border-radius:22px}
  .dock-actions{gap:6px;margin-left:0}
  .article-hero{padding:24px 0 18px}
  .article-body{border-radius:16px}
  .back-row .btn{flex:1 1 100%}
}

/* roulang page: category1 */
:root{
    --bg-0:#060A14;
    --bg-1:#0B1222;
    --bg-2:#111A2E;
    --line:rgba(122,158,214,.14);
    --topline:rgba(255,255,255,.06);
    --ink-0:#F2F6FF;
    --ink-1:#A9B8D4;
    --ink-2:#6C7C99;
    --brand:#2CE0C0;
    --brand-deep:#0E9E8C;
    --accent:#FFB43C;
    --warn:#FF6B6B;
    --glass:rgba(17,26,46,.55);
    --r-card:18px;
    --r-lg:22px;
    --r-btn:12px;
    --r-pill:999px;
    --r-img:14px;
    --r-input:12px;
    --shadow:0 18px 40px -24px rgba(0,0,0,.9);
    --glow-brand:0 0 0 1px rgba(44,224,192,.45), 0 12px 30px -10px rgba(44,224,192,.40);
    --glow-accent:0 0 0 1px rgba(255,180,60,.45), 0 12px 30px -10px rgba(255,180,60,.35);
    --ease:cubic-bezier(.22,.61,.36,1);
    --t:180ms;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--ink-1);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease);}
  a:hover{color:var(--brand);}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  h1,h2,h3,h4{margin:0;color:var(--ink-0);font-weight:600;letter-spacing:-.01em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  input{font:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  .section{padding:96px 0;}
  .section--tight{padding-top:64px;}

  /* 九宫格点阵母题 */
  .dots9{
    display:grid;
    grid-template-columns:repeat(3,4px);
    grid-template-rows:repeat(3,4px);
    gap:3px;
  }
  .dots9 i{display:block;width:4px;height:4px;border-radius:1px;background:rgba(44,224,192,.55);}

  /* ============ 顶部 Dock 导航 ============ */
  .site-header{position:sticky;top:0;z-index:80;padding:16px 12px 0;}
  .dock{
    max-width:1080px;
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:14px;
    padding:10px 14px 10px 16px;
    border-radius:var(--r-pill);
    background:rgba(11,18,34,.72);
    border:1px solid var(--line);
    box-shadow:var(--shadow), inset 0 1px 0 var(--topline);
    backdrop-filter:blur(14px) saturate(140%);
    transition:padding var(--t) var(--ease), background var(--t) var(--ease), backdrop-filter var(--t) var(--ease);
  }
  .site-header.is-scrolled .dock{
    padding:7px 12px 7px 14px;
    background:rgba(11,18,34,.9);
    backdrop-filter:blur(22px) saturate(150%);
  }
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand__mark{
    display:grid;
    grid-template-columns:repeat(3,4px);
    grid-template-rows:repeat(3,4px);
    gap:3px;
    padding:6px;
    border-radius:10px;
    background:rgba(44,224,192,.10);
    border:1px solid rgba(44,224,192,.22);
  }
  .brand__mark i{width:4px;height:4px;border-radius:1px;background:var(--brand);opacity:.85;}
  .brand__text{
    display:flex;
    flex-direction:column;
    font-size:15px;
    font-weight:600;
    line-height:1.15;
    color:var(--ink-0);
    white-space:nowrap;
  }
  .brand__text small{font-size:11px;font-weight:400;color:var(--ink-2);letter-spacing:.06em;margin-top:3px;}

  .dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;margin-right:auto;}
  .dock-nav a{
    position:relative;
    padding:9px 13px;
    border-radius:var(--r-pill);
    font-size:14px;
    color:var(--ink-1);
    white-space:nowrap;
    transition:background var(--t) var(--ease), color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  }
  .dock-nav a:hover{color:var(--ink-0);background:rgba(122,158,214,.10);}
  .dock-nav a.is-active{
    color:var(--brand);
    background:rgba(44,224,192,.12);
    box-shadow:inset 0 0 0 1px rgba(44,224,192,.30);
  }
  .dock-nav a.is-active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:3px;
    transform:translateX(-50%);
    width:16px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
  }

  .dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .dock-search{
    display:flex;
    align-items:center;
    gap:4px;
    padding:4px 6px 4px 4px;
    border-radius:var(--r-pill);
    background:rgba(17,26,46,.7);
    border:1px solid var(--line);
    transition:border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  }
  .dock-search.is-open{border-color:rgba(44,224,192,.45);box-shadow:0 0 0 3px rgba(44,224,192,.10);}
  .dock-search__input{
    width:0;
    opacity:0;
    height:32px;
    border:0;
    background:transparent;
    color:var(--ink-0);
    font-size:14px;
    outline:none;
    transition:width 220ms var(--ease), opacity 180ms var(--ease), padding 220ms var(--ease);
  }
  .dock-search.is-open .dock-search__input{width:168px;opacity:1;padding:0 10px;}
  .dock-search__btn{
    display:flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    border-radius:50%;
    color:var(--ink-1);
    transition:color var(--t) var(--ease), background var(--t) var(--ease);
  }
  .dock-search__btn:hover{color:var(--brand);background:rgba(44,224,192,.10);}

  .burger{display:none;width:44px;height:44px;border-radius:12px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line);background:rgba(17,26,46,.6);}
  .burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-0);transition:transform var(--t) var(--ease), opacity var(--t) var(--ease);}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .nav-mask{
    position:fixed;
    inset:0;
    background:rgba(3,6,14,.6);
    backdrop-filter:blur(4px);
    opacity:0;
    pointer-events:none;
    transition:opacity var(--t) var(--ease);
    z-index:70;
  }
  .nav-mask.is-open{opacity:1;pointer-events:auto;}

  .mobile-panel{
    position:fixed;
    top:0;
    left:0;
    right:0;
    z-index:90;
    padding:84px 16px 24px;
    background:rgba(11,18,34,.96);
    border-bottom:1px solid var(--line);
    border-radius:0 0 22px 22px;
    transform:translateY(-110%);
    transition:transform 240ms var(--ease);
    box-shadow:var(--shadow);
  }
  .mobile-panel.is-open{transform:translateY(0);}
  .mobile-panel a{
    display:flex;
    align-items:center;
    min-height:44px;
    padding:0 14px;
    border-radius:12px;
    font-size:15px;
    color:var(--ink-1);
  }
  .mobile-panel a.is-active{color:var(--brand);background:rgba(44,224,192,.12);}
  .mobile-panel .mobile-cta{
    margin-top:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:48px;
    border-radius:var(--r-pill);
    background:var(--accent);
    color:#1A1206;
    font-weight:600;
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 22px;
    border-radius:var(--r-btn);
    font-size:15px;
    font-weight:600;
    transition:transform var(--t) var(--ease), box-shadow var(--t) var(--ease), background var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t) var(--ease), filter var(--t) var(--ease);
  }
  .btn-sm{min-height:38px;padding:0 16px;font-size:13px;border-radius:var(--r-pill);}
  .btn-primary{
    background:linear-gradient(180deg,#FFC463,var(--accent));
    color:#1A1206;
    box-shadow:var(--glow-accent);
  }
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#1A1206;box-shadow:0 0 0 1px rgba(255,180,60,.55), 0 16px 34px -10px rgba(255,180,60,.5);}
  .btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,180,60,.35), 0 6px 16px -10px rgba(255,180,60,.35);}
  .btn-ghost{
    background:rgba(44,224,192,.06);
    border:1px solid rgba(44,224,192,.35);
    color:var(--brand);
  }
  .btn-ghost:hover{background:rgba(44,224,192,.14);transform:translateY(-1px);color:var(--brand);box-shadow:var(--glow-brand);}
  .btn-ghost:active{transform:translateY(1px);box-shadow:none;background:rgba(44,224,192,.18);}
  .btn-text{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    color:var(--brand);
    padding:6px 2px;
  }
  .btn-text:hover{text-decoration:underline;text-underline-offset:4px;}

  /* ============ 徽章 ============ */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:3px 11px;
    border-radius:var(--r-pill);
    font-size:12px;
    letter-spacing:.08em;
    color:var(--brand);
    background:rgba(44,224,192,.12);
    border:1px solid rgba(44,224,192,.28);
    white-space:nowrap;
  }
  .badge--accent{
    color:var(--accent);
    background:rgba(255,180,60,.12);
    border-color:rgba(255,180,60,.30);
  }
  .badge--muted{
    color:var(--ink-2);
    background:rgba(122,158,214,.08);
    border-color:var(--line);
  }

  /* ============ 分类页 Hero ============ */
  .hero-cat{
    position:relative;
    overflow:hidden;
    padding:56px 0 44px;
    border-bottom:1px solid var(--line);
    background:var(--bg-1);
  }
  .hero-cat__bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    opacity:.18;
  }
  .hero-cat__veil{
    position:absolute;
    inset:0;
    background:
      radial-gradient(620px 300px at 12% 0%, rgba(44,224,192,.12), transparent 70%),
      linear-gradient(180deg, rgba(6,10,20,.62) 0%, rgba(6,10,20,.94) 100%);
  }
  .hero-cat__grid{
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 80%);
  }
  .hero-cat .container{position:relative;z-index:1;}

  .crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2);}
  .crumb a{color:var(--ink-2);}
  .crumb a:hover{color:var(--brand);}
  .crumb span.sep{opacity:.6;}

  .hero-cat h1{
    margin-top:18px;
    font-size:42px;
    line-height:1.25;
    letter-spacing:-.02em;
    font-weight:700;
    max-width:840px;
  }
  .hero-cat__lead{
    margin-top:16px;
    font-size:16px;
    color:var(--ink-1);
    max-width:720px;
  }
  .hero-cat__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

  .anchor-bar{
    margin-top:28px;
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .anchor-bar::-webkit-scrollbar{height:4px;}
  .anchor-bar::-webkit-scrollbar-thumb{background:rgba(122,158,214,.25);border-radius:4px;}
  .anchor-bar a{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    min-height:40px;
    padding:0 16px;
    border-radius:var(--r-pill);
    font-size:13px;
    color:var(--ink-1);
    background:rgba(17,26,46,.6);
    border:1px solid var(--line);
    transition:border-color var(--t) var(--ease), color var(--t) var(--ease), transform var(--t) var(--ease);
  }
  .anchor-bar a:hover{color:var(--brand);border-color:rgba(44,224,192,.4);transform:translateY(-1px);}

  /* ============ 通用板块头 ============ */
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px;}
  .sec-head__title{display:flex;align-items:flex-start;gap:12px;}
  .sec-head h2{font-size:28px;line-height:1.35;}
  .sec-head p{margin-top:8px;font-size:14px;color:var(--ink-2);max-width:620px;}

  /* ============ 九宫格 ============ */
  .grid9{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:20px;
  }
  .g9-card{
    position:relative;
    overflow:hidden;
    display:flex;
    flex-direction:column;
    gap:10px;
    padding:22px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--line);
    box-shadow:var(--shadow), inset 0 1px 0 var(--topline);
    backdrop-filter:blur(14px) saturate(140%);
    transition:transform var(--t) var(--ease), border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  }
  .g9-card::after{
    content:"";
    position:absolute;
    right:-14px;
    top:-14px;
    width:56px;
    height:56px;
    background-image:radial-gradient(rgba(44,224,192,.5) 1px, transparent 1px);
    background-size:9px 9px;
    opacity:.08;
    pointer-events:none;
  }
  .g9-card:hover{
    transform:translateY(-4px);
    border-color:rgba(44,224,192,.3);
    box-shadow:var(--shadow), 0 0 0 1px rgba(44,224,192,.2), 0 18px 40px -26px rgba(44,224,192,.5);
  }
  .g9-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .g9-card__no{
    font-size:13px;
    letter-spacing:.12em;
    color:var(--brand);
    font-variant-numeric:tabular-nums;
  }
  .g9-card__icon{
    display:flex;
    align-items:center;
    justify-content:center;
    width:36px;
    height:36px;
    border-radius:11px;
    background:rgba(44,224,192,.10);
    border:1px solid rgba(44,224,192,.24);
  }
  .g9-card__icon i{width:5px;height:5px;border-radius:1px;background:var(--brand);opacity:.7;}
  .g9-card h3{font-size:17px;line-height:1.5;}
  .g9-card p{font-size:14px;line-height:1.75;color:var(--ink-1);}
  .g9-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);}
  .g9-card:hover .g9-card__foot{color:var(--brand);}

  /* ============ 图文通道说明 ============ */
  .split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:32px;align-items:center;}
  .media-frame{
    position:relative;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--bg-2);
    box-shadow:var(--shadow), inset 0 1px 0 var(--topline);
    aspect-ratio:16/10;
  }
  .media-frame img{width:100%;height:100%;object-fit:cover;border-radius:0;}
  .media-frame::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(6,10,20,.12), rgba(6,10,20,.55));
  }
  .media-frame__tag{
    position:absolute;
    left:16px;
    bottom:16px;
    z-index:2;
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:var(--r-pill);
    background:rgba(6,10,20,.62);
    border:1px solid var(--line);
    font-size:12px;
    letter-spacing:.06em;
    color:var(--ink-0);
    backdrop-filter:blur(8px);
  }

  .ticket{
    position:relative;
    display:flex;
    gap:16px;
    padding:20px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--line);
    box-shadow:var(--shadow), inset 0 1px 0 var(--topline);
    backdrop-filter:blur(14px) saturate(140%);
    transition:transform var(--t) var(--ease), border-color var(--t) var(--ease);
  }
  .ticket + .ticket{margin-top:14px;}
  .ticket:hover{transform:translateX(4px);border-color:rgba(44,224,192,.3);}
  .ticket__no{
    flex:0 0 auto;
    width:40px;
    height:40px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    font-size:14px;
    color:var(--brand);
    background:rgba(44,224,192,.10);
    border:1px solid rgba(44,224,192,.24);
    font-variant-numeric:tabular-nums;
  }
  .ticket h3{font-size:16px;margin-bottom:4px;}
  .ticket p{font-size:14px;line-height:1.75;color:var(--ink-1);}

  /* ============ 状态信息条 ============ */
  .status-wrap{
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    background:rgba(11,18,34,.6);
    box-shadow:var(--shadow), inset 0 1px 0 var(--topline);
    overflow:hidden;
  }
  .status-row{
    display:grid;
    grid-template-columns:auto minmax(0,1fr) auto;
    gap:16px;
    align-items:center;
    padding:20px 24px;
    border-bottom:1px solid var(--line);
    transition:background var(--t) var(--ease);
  }
  .status-row:last-child{border-bottom:0;}
  .status-row:hover{background:rgba(44,224,192,.05);}
  .status-row__dot{
    width:10px;
    height:10px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 0 4px rgba(44,224,192,.14);
  }
  .status-row__dot--accent{background:var(--accent);box-shadow:0 0 0 4px rgba(255,180,60,.14);}
  .status-row h3{font-size:16px;margin-bottom:4px;}
  .status-row p{font-size:14px;line-height:1.75;color:var(--ink-1);}
  .status-row__meta{font-size:13px;color:var(--ink-2);white-space:nowrap;font-variant-numeric:tabular-nums;}

  .stats{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:16px;
    margin-top:24px;
  }
  .stat{
    padding:20px;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:rgba(17,26,46,.45);
    transition:border-color var(--t) var(--ease), transform var(--t) var(--ease);
  }
  .stat:hover{border-color:rgba(44,224,192,.3);transform:translateY(-3px);}
  .stat strong{
    display:block;
    font-size:26px;
    font-weight:700;
    color:var(--ink-0);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.01em;
  }
  .stat span{display:block;margin-top:4px;font-size:13px;color:var(--ink-2);}

  /* ============ 相邻分类跳转 ============ */
  .adj-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .adj-card{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:24px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--line);
    box-shadow:var(--shadow), inset 0 1px 0 var(--topline);
    backdrop-filter:blur(14px) saturate(140%);
    transition:transform var(--t) var(--ease), border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  }
  .adj-card:hover{
    transform:translateY(-4px);
    border-color:rgba(44,224,192,.3);
    box-shadow:var(--shadow), 0 0 0 1px rgba(44,224,192,.2);
  }
  .adj-card small{display:block;font-size:12px;letter-spacing:.08em;color:var(--ink-2);margin-bottom:6px;}
  .adj-card strong{display:block;font-size:18px;color:var(--ink-0);font-weight:600;}
  .adj-card__arrow{font-size:20px;color:var(--brand);}

  /* ============ FAQ ============ */
  .faq-wrap{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:40px;}
  .faq-aside h2{font-size:28px;line-height:1.35;}
  .faq-aside p{margin-top:12px;font-size:14px;color:var(--ink-2);max-width:320px;}
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 4px 20px 16px;
    cursor:pointer;
    list-style:none;
    font-size:16px;
    color:var(--ink-0);
    transition:color var(--t) var(--ease), padding-left var(--t) var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::before{
    content:"";
    position:absolute;
    left:0;
    top:50%;
    transform:translateY(-50%);
    width:3px;
    height:0;
    border-radius:3px;
    background:var(--brand);
    transition:height 200ms var(--ease);
  }
  .faq-item summary:hover{color:var(--brand);}
  .faq-item[open] summary{color:var(--brand);}
  .faq-item[open] summary::before{height:22px;}
  .faq-item summary .plus{
    flex:0 0 auto;
    width:22px;
    height:22px;
    position:relative;
    border-radius:50%;
    border:1px solid var(--line);
  }
  .faq-item summary .plus::before,
  .faq-item summary .plus::after{
    content:"";
    position:absolute;
    left:50%;
    top:50%;
    background:var(--ink-1);
    transform:translate(-50%,-50%);
    transition:transform 200ms var(--ease), background var(--t) var(--ease);
  }
  .faq-item summary .plus::before{width:10px;height:1.5px;}
  .faq-item summary .plus::after{width:1.5px;height:10px;}
  .faq-item[open] summary .plus{border-color:rgba(44,224,192,.4);}
  .faq-item[open] summary .plus::before,
  .faq-item[open] summary .plus::after{background:var(--brand);}
  .faq-item[open] summary .plus::after{transform:translate(-50%,-50%) scaleY(0);}
  .faq-item__body{padding:0 4px 22px 16px;font-size:15px;line-height:1.85;color:var(--ink-1);}

  /* ============ CTA ============ */
  .cta-card{
    position:relative;
    overflow:hidden;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    padding:32px;
    border-radius:var(--r-lg);
    background:var(--glass);
    border:1px solid var(--line);
    box-shadow:var(--shadow), inset 0 1px 0 var(--topline);
    backdrop-filter:blur(14px) saturate(140%);
  }
  .cta-card::before{
    content:"";
    position:absolute;
    inset:0;
    background:
      radial-gradient(420px 200px at 88% 10%, rgba(44,224,192,.12), transparent 70%),
      linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size:auto, 56px 56px;
    pointer-events:none;
  }
  .cta-card__text{position:relative;z-index:1;max-width:620px;}
  .cta-card h2{font-size:24px;}
  .cta-card p{margin-top:10px;font-size:14px;color:var(--ink-1);}
  .cta-card__actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}
  .copy-hint{
    position:relative;
    display:inline-flex;
    align-items:center;
    font-size:12px;
    color:var(--ink-2);
  }
  .copy-hint__tip{
    position:absolute;
    left:50%;
    bottom:130%;
    transform:translateX(-50%);
    padding:4px 10px;
    border-radius:8px;
    background:rgba(6,10,20,.92);
    border:1px solid var(--line);
    color:var(--ink-1);
    white-space:nowrap;
    opacity:0;
    pointer-events:none;
    transition:opacity var(--t) var(--ease);
  }
  .cta-card__actions:hover .copy-hint__tip{opacity:1;}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:40px;
    padding:64px 0 28px;
    background:var(--bg-1);
    border-top:1px solid var(--line);
  }
  .footer-top{
    display:grid;
    grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);
    gap:40px;
    padding-bottom:36px;
    border-bottom:1px solid var(--line);
  }
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--ink-2);max-width:420px;}
  .footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--ink-0);margin-bottom:14px;}
  .footer-col a{
    display:block;
    padding:6px 0;
    font-size:14px;
    color:var(--ink-2);
  }
  .footer-col a:hover{color:var(--brand);}
  .footer-note{
    padding:22px 0;
    font-size:13px;
    line-height:1.85;
    color:var(--ink-2);
    border-bottom:1px solid var(--line);
  }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding-top:22px;
    font-size:13px;
    color:var(--ink-2);
  }
  .to-top{color:var(--ink-2);}
  .to-top:hover{color:var(--brand);}

  section[id],div[id]{scroll-margin-top:110px;}

  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
    .g9-card:hover,.adj-card:hover,.ticket:hover,.stat:hover,.anchor-bar a:hover,.btn:hover{transform:none !important;}
  }

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .grid9{grid-template-columns:repeat(3,minmax(0,1fr));}
  }
  @media (max-width:1023px){
    .dock-nav,.dock-search{display:none;}
    .burger{display:flex;}
    .hero-cat h1{font-size:34px;}
    .section{padding:72px 0;}
    .grid9{grid-template-columns:repeat(2,minmax(0,1fr));}
    .split{grid-template-columns:1fr;}
    .faq-wrap{grid-template-columns:1fr;gap:24px;}
    .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
    .footer-brand{grid-column:1 / -1;}
    .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:767px){
    .site-header{padding:10px 10px 0;}
    .dock{border-radius:20px;padding:8px 12px;}
    .brand__text small{display:none;}
    .hero-cat{padding:40px 0 34px;}
    .hero-cat h1{font-size:28px;}
    .section{padding:56px 0;}
    .sec-head h2,.faq-aside h2{font-size:23px;}
    .grid9{grid-template-columns:1fr;}
    .adj-grid{grid-template-columns:1fr;}
    .status-row{grid-template-columns:auto minmax(0,1fr);}
    .status-row__meta{grid-column:2;justify-self:start;}
    .stats{grid-template-columns:1fr 1fr;}
    .cta-card{padding:24px;}
    .footer-top{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:519px){
    .hero-cat h1{font-size:26px;}
    .stats{grid-template-columns:1fr;}
    .btn{width:100%;}
    .cta-card__actions{width:100%;}
  }

/* roulang page: category3 */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1222;
  --bg-2:#111A2E;
  --line:rgba(122,158,214,.14);
  --line-2:rgba(122,158,214,.26);
  --top-hi:rgba(255,255,255,.06);
  --ink-0:#F2F6FF;
  --ink-1:#A9B8D4;
  --ink-2:#6C7C99;
  --brand:#2CE0C0;
  --brand-deep:#0E9E8C;
  --accent:#FFB43C;
  --warn:#FF6B6B;
  --glass:rgba(17,26,46,.55);
  --r-card:18px;
  --r-lg:22px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dock-h:72px;
}

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

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  padding-top:100px;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{display:block;max-width:100%;height:auto;}

a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand);}

button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}

h1,h2,h3,h4{margin:0;color:var(--ink-0);font-weight:600;line-height:1.3;}
h1{font-size:clamp(28px,4vw,42px);font-weight:700;line-height:1.25;letter-spacing:-.02em;}
h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.01em;}
h3{font-size:18px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}

::selection{background:rgba(44,224,192,.28);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

.section{padding:92px 0;position:relative;}
.section--tint{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tight{padding:56px 0;}

#symptom,#checklist,#before,#faq,#notify,#save{scroll-margin-top:112px;}

.sec-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:34px;}
.sec-head .dotgrid{margin-top:11px;flex:0 0 auto;}
.sec-head p{margin-top:8px;color:var(--ink-2);font-size:15px;line-height:1.8;}

/* 九宫格点阵 */
.dotgrid{display:grid;grid-template-columns:repeat(3,4px);gap:3px;}
.dotgrid i{width:4px;height:4px;border-radius:1px;background:var(--brand);opacity:.08;display:block;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.08em;line-height:1.7;
  color:var(--brand);background:rgba(44,224,192,.12);
  border:1px solid rgba(44,224,192,.28);
  white-space:nowrap;
}
.badge--accent{color:var(--accent);background:rgba(255,180,60,.12);border-color:rgba(255,180,60,.3);}
.badge--plain{color:var(--ink-2);background:rgba(122,158,214,.08);border-color:var(--line);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),filter .18s var(--ease),color .18s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn--accent{
  background:linear-gradient(180deg,#FFC86E,#FFB43C);
  color:#2A1A02;
  box-shadow:0 0 0 1px rgba(255,180,60,.42),0 12px 30px -10px rgba(255,180,60,.42);
}
.btn--accent:hover{transform:translateY(-1px);filter:brightness(1.06);color:#2A1A02;box-shadow:0 0 0 1px rgba(255,180,60,.55),0 16px 34px -10px rgba(255,180,60,.52);}
.btn--accent:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,180,60,.34),0 6px 16px -10px rgba(255,180,60,.34);}
.btn--ghost{
  background:rgba(44,224,192,.06);color:var(--brand);
  border:1px solid rgba(44,224,192,.42);
  box-shadow:0 0 0 1px rgba(44,224,192,.16),0 12px 30px -14px rgba(44,224,192,.34);
}
.btn--ghost:hover{background:rgba(44,224,192,.12);transform:translateY(-1px);color:var(--brand);box-shadow:0 0 0 1px rgba(44,224,192,.34),0 14px 32px -12px rgba(44,224,192,.42);}
.btn--ghost:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(44,224,192,.22),0 6px 16px -12px rgba(44,224,192,.28);}
.btn--text{min-height:44px;padding:0 4px;color:var(--brand);font-weight:600;}
.btn--text:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}

/* 导航 Dock */
.dock-head{position:fixed;top:0;left:0;right:0;z-index:60;padding:16px 16px 0;transition:padding .2s var(--ease);}
.dock-head.is-scrolled{padding-top:8px;}
.dock{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:9px 12px 9px 18px;
  border-radius:var(--r-pill);
  background:rgba(11,18,34,.74);
  border:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.9),inset 0 1px 0 var(--top-hi);
  transition:background .2s var(--ease),backdrop-filter .2s var(--ease),box-shadow .2s var(--ease);
}
.dock-head.is-scrolled .dock{background:rgba(11,18,34,.9);backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%);}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{display:grid;grid-template-columns:repeat(3,4px);gap:3px;flex:0 0 auto;}
.brand__mark i{width:4px;height:4px;border-radius:1px;background:var(--brand);opacity:.5;display:block;}
.brand__mark i:nth-child(5){opacity:1;}
.brand__text{display:flex;flex-direction:column;font-size:14px;font-weight:700;color:var(--ink-0);line-height:1.25;letter-spacing:.01em;white-space:nowrap;}
.brand__text small{font-size:11px;font-weight:400;color:var(--ink-2);letter-spacing:.04em;}
.brand:hover .brand__text{color:var(--brand);}

.dock-nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center;min-width:0;}
.dock-nav a{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 11px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--ink-1);white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.dock-nav a:hover{color:var(--ink-0);background:rgba(122,158,214,.09);}
.dock-nav a.is-active{color:var(--brand);background:rgba(44,224,192,.12);}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}

.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.search-box{display:flex;align-items:center;border-radius:var(--r-pill);transition:background .18s var(--ease);}
.search-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:grid;place-items:center;color:var(--ink-1);
  border:1px solid transparent;transition:all .18s var(--ease);
}
.search-btn:hover{color:var(--brand);border-color:rgba(44,224,192,.32);background:rgba(44,224,192,.08);}
.search-btn svg{width:18px;height:18px;}
.search-input{
  width:0;opacity:0;padding:0;border:0;height:40px;border-radius:var(--r-pill);
  background:var(--bg-0);color:var(--ink-0);font-size:14px;
  transition:width .22s var(--ease),opacity .22s var(--ease),padding .22s var(--ease),border-color .18s var(--ease);
}
.search-input::placeholder{color:var(--ink-2);}
.search-box.is-open .search-input{width:176px;opacity:1;padding:0 14px;border:1px solid rgba(44,224,192,.42);}
.search-box.is-open .search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(44,224,192,.12);}

.dock-cta{min-height:40px;padding:0 18px;font-size:14px;}

.dock-burger{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);place-items:center;color:var(--ink-0);
  background:rgba(17,26,46,.5);
}
.dock-burger span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;margin:3px auto;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.dock-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.dock-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.dock-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.dock-mobile{
  display:none;flex-direction:column;gap:4px;
  max-width:1080px;margin:10px auto 0;padding:14px;
  border-radius:var(--r-lg);
  background:rgba(11,18,34,.96);
  border:1px solid var(--line);
  backdrop-filter:blur(22px) saturate(150%);
  -webkit-backdrop-filter:blur(22px) saturate(150%);
  box-shadow:0 24px 50px -28px rgba(0,0,0,.95);
}
.dock-mobile.is-open{display:flex;}
.dock-mobile a{
  display:flex;align-items:center;min-height:44px;padding:0 14px;
  border-radius:14px;font-size:15px;color:var(--ink-1);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.dock-mobile a:hover{background:rgba(122,158,214,.1);color:var(--ink-0);}
.dock-mobile a.is-active{color:var(--brand);background:rgba(44,224,192,.12);}
.dock-mobile .btn{margin-top:8px;width:100%;}

.dock-overlay{
  position:fixed;inset:0;z-index:55;display:none;
  background:rgba(4,7,15,.66);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.dock-overlay.is-open{display:block;}

/* Hero */
.page-hero{position:relative;padding:60px 0 48px;background:var(--bg-1);border-bottom:1px solid var(--line);overflow:hidden;}
.page-hero__bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.16;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(122,158,214,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,158,214,.04) 1px,transparent 1px);
  background-size:56px 56px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(58% 80% at 10% 0%,rgba(44,224,192,.13),transparent 62%);
}
.page-hero__inner{position:relative;z-index:2;}
.page-hero h1{margin:18px 0 14px;max-width:900px;}
.page-hero__lead{max-width:640px;color:var(--ink-1);font-size:16px;}

.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);flex-wrap:wrap;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb span[aria-current]{color:var(--ink-1);}

.anchor-bar{display:flex;gap:10px;overflow-x:auto;margin-top:30px;padding-bottom:4px;scrollbar-width:none;}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-bar a{
  flex:0 0 auto;display:inline-flex;align-items:center;min-height:40px;
  padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-1);
  background:rgba(17,26,46,.6);border:1px solid var(--line);
  transition:all .18s var(--ease);
}
.anchor-bar a:hover{color:var(--brand);border-color:rgba(44,224,192,.4);background:rgba(44,224,192,.08);}

/* 玻璃卡片 */
.card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--top-hi),transparent);
  opacity:.9;pointer-events:none;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(44,224,192,.3);
  box-shadow:var(--shadow-card),0 0 0 1px rgba(44,224,192,.16),0 20px 42px -22px rgba(44,224,192,.32);
}

/* 双栏对照 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare__col{padding:26px 24px;}
.compare__col h3{margin-bottom:6px;}
.compare__col .compare__note{color:var(--ink-2);font-size:14px;margin-bottom:18px;}
.tick-list li{
  position:relative;padding:16px 0 16px 26px;
  border-top:1px solid var(--line);
  font-size:15px;line-height:1.85;color:var(--ink-1);
}
.tick-list li:first-child{border-top:0;padding-top:6px;}
.tick-list li::before{
  content:"";position:absolute;left:2px;top:26px;
  width:8px;height:8px;border-radius:2px;background:var(--brand);opacity:.75;
}
.tick-list li:first-child::before{top:16px;}
.tick-list strong{display:block;color:var(--ink-0);font-weight:600;font-size:15px;}

/* 行式清单 */
.rowlist{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.row-item{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;
  align-items:center;gap:18px;
  padding:20px 24px;min-height:76px;
  border-top:1px solid var(--line);
  transition:background .18s var(--ease);
}
.row-item:first-child{border-top:0;}
.row-item:nth-child(even){background:rgba(122,158,214,.035);}
.row-item:hover{background:rgba(44,224,192,.07);}
.row-item__no{
  font-size:15px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.row-item__main{min-width:0;}
.row-item__title{
  display:block;color:var(--ink-0);font-size:16px;font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.row-item__desc{
  display:block;margin-top:4px;font-size:14px;line-height:1.75;color:var(--ink-2);
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.row-item__meta{display:flex;align-items:center;gap:14px;}
.row-item__arrow{color:var(--ink-2);font-size:18px;transition:transform .18s var(--ease),color .18s var(--ease);}
.row-item:hover .row-item__arrow{color:var(--brand);transform:translateX(3px);}

/* 图文分栏 */
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:center;}
.split__media{
  position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;background:var(--bg-2);
}
.split__media img{width:100%;height:100%;object-fit:cover;}
.split__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,10,20,.12),rgba(6,10,20,.42));
}
.split__body .badge{margin-bottom:14px;}
.split__body h2{margin-bottom:10px;}
.split__body > p{color:var(--ink-2);font-size:15px;margin-bottom:22px;}

.steps li{display:grid;grid-template-columns:48px minmax(0,1fr);gap:16px;padding:18px 0;border-top:1px solid var(--line);}
.steps li:first-child{border-top:0;padding-top:4px;}
.steps__no{
  font-size:14px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
  padding-top:3px;letter-spacing:.06em;
}
.steps h3{margin-bottom:4px;font-size:16px;}
.steps p{color:var(--ink-2);font-size:14px;line-height:1.8;}

/* 相邻分类 */
.adjacent{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.adj-card{
  display:flex;flex-direction:column;gap:6px;
  padding:22px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.adj-card:hover{transform:translateY(-4px);border-color:rgba(44,224,192,.3);box-shadow:var(--shadow-card),0 0 0 1px rgba(44,224,192,.16);}
.adj-card__label{font-size:12px;letter-spacing:.08em;color:var(--ink-2);}
.adj-card__title{font-size:17px;font-weight:600;color:var(--ink-0);}
.adj-card__desc{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* FAQ */
.faq-list{border:1px solid var(--line);border-radius:var(--r-card);background:var(--glass);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--shadow-card);overflow:hidden;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:first-child{border-top:0;}
.faq-item summary{
  position:relative;display:block;cursor:pointer;list-style:none;
  padding:20px 52px 20px 24px;
  color:var(--ink-0);font-size:16px;font-weight:600;line-height:1.7;
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:26px;width:3px;height:0;
  border-radius:2px;background:var(--brand);transition:height .2s var(--ease);
}
.faq-item[open] summary::before{height:20px;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:20px;line-height:1;font-weight:400;
}
.faq-item[open] summary::after{content:"–";}
.faq-item summary:hover{color:var(--brand);}
.faq-body{padding:0 24px 22px 24px;color:var(--ink-1);font-size:15px;line-height:1.9;}

/* 提醒表单 */
.notice-card{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center;
  padding:36px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(17,26,46,.7),rgba(11,18,34,.55));
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.notice-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(46% 120% at 88% 6%,rgba(44,224,192,.12),transparent 64%);
}
.notice-card > *{position:relative;z-index:2;}
.notice-card h2{margin-bottom:10px;}
.notice-card p{color:var(--ink-2);font-size:15px;}

.notice-form label{display:block;font-size:13px;color:var(--ink-1);margin-bottom:8px;letter-spacing:.02em;}
.notice-form__row{display:flex;gap:12px;flex-wrap:wrap;}
.field{
  flex:1 1 180px;min-width:0;height:46px;padding:0 16px;
  border-radius:var(--r-btn);
  background:var(--bg-0);border:1px solid var(--line);
  color:var(--ink-0);font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field::placeholder{color:var(--ink-2);}
.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(44,224,192,.12);}
.field.is-error{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,107,107,.12);}
.notice-form__hint{margin-top:10px;font-size:13px;color:var(--ink-2);}
.notice-form__hint.is-error{color:var(--warn);}
.notice-form__hint.is-success{color:var(--brand);}

/* CTA 收尾 */
.cta-card{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:34px 38px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(17,26,46,.75),rgba(11,18,34,.6));
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(52% 130% at 12% 100%,rgba(44,224,192,.12),transparent 66%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-card__text h2{margin-bottom:8px;}
.cta-card__text p{color:var(--ink-2);font-size:15px;max-width:440px;}
.cta-card__actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-card__note{width:100%;color:var(--ink-2);font-size:13px;}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:56px 0 28px;margin-top:20px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:32px;}
.footer-brand p{margin-top:14px;color:var(--ink-2);font-size:14px;line-height:1.85;max-width:380px;}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--ink-2);font-weight:600;margin-bottom:4px;}
.footer-col a{font-size:14px;color:var(--ink-1);display:inline-flex;min-height:28px;align-items:center;}
.footer-col a:hover{color:var(--brand);}
.footer-note{
  border-top:1px solid var(--line);padding:22px 0;
  color:var(--ink-2);font-size:13px;line-height:1.9;
}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--ink-2);font-size:13px;
}
.to-top{color:var(--ink-1);display:inline-flex;align-items:center;min-height:44px;}
.to-top:hover{color:var(--brand);}

/* 响应式 */
@media (max-width:1180px){
  .dock-nav a{padding:0 9px;font-size:13px;}
  .search-box.is-open .search-input{width:140px;}
}
@media (max-width:1023px){
  body{padding-top:92px;}
  .dock-nav{display:none;}
  .dock-burger{display:grid;}
  .search-box{display:none;}
  .dock-cta{display:none;}
  .dock{justify-content:space-between;}
  .section{padding:72px 0;}
  .section--tight{padding:48px 0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split__media{aspect-ratio:16/10;}
  .notice-card{grid-template-columns:1fr;gap:24px;padding:28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:768px){
  body{padding-top:84px;font-size:15.5px;}
  .section{padding:56px 0;}
  .section--tight{padding:40px 0;}
  .dock-head{padding:10px 12px 0;}
  .dock{padding:8px 10px 8px 14px;}
  .brand__text{font-size:13px;}
  .brand__text small{display:none;}
  .page-hero{padding:44px 0 38px;}
  .compare{grid-template-columns:1fr;gap:16px;}
  .compare__col{padding:22px 20px;}
  .row-item{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:18px 18px;}
  .row-item__meta{grid-column:2;justify-content:flex-start;gap:10px;}
  .row-item__title{white-space:normal;overflow:visible;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  .adjacent{grid-template-columns:1fr;}
  .cta-card{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .cta-card__actions{width:100%;}
  .cta-card__actions .btn{flex:1 1 auto;}
  .notice-card{padding:24px 20px;}
  .notice-form__row .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:18px 46px 18px 18px;font-size:15px;}
  .faq-body{padding:0 18px 20px 18px;font-size:14.5px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .anchor-bar a{font-size:13px;padding:0 14px;}
  .steps li{grid-template-columns:38px minmax(0,1fr);gap:12px;}
  .row-item__no{font-size:14px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .card:hover,.adj-card:hover,.btn:hover{transform:none !important;}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1222;
  --bg-2:#111A2E;
  --line:rgba(122,158,214,.14);
  --top-hi:rgba(255,255,255,.06);
  --ink-0:#F2F6FF;
  --ink-1:#A9B8D4;
  --ink-2:#6C7C99;
  --brand:#2CE0C0;
  --brand-deep:#0E9E8C;
  --accent:#FFB43C;
  --warn:#FF6B6B;
  --r-card:18px;
  --r-lg:22px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --glow-brand:0 0 0 1px rgba(44,224,192,.45),0 12px 30px -10px rgba(44,224,192,.40);
  --glow-accent:0 0 0 1px rgba(255,180,60,.45),0 12px 30px -10px rgba(255,180,60,.36);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease),opacity .18s var(--ease);}
a:hover{color:var(--brand);}
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;color:var(--ink-0);font-weight:600;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
[id]{scroll-margin-top:120px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
main{padding-top:104px;}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 32px);
  max-width:1080px;
  z-index:80;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 12px 10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(11,18,34,.72);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:padding .22s var(--ease),background-color .22s var(--ease),backdrop-filter .22s var(--ease);
}
.dock.is-scrolled{
  padding:6px 10px 6px 14px;
  background:rgba(11,18,34,.88);
  backdrop-filter:blur(20px) saturate(150%);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-0);}
.brand__mark{
  display:grid;
  grid-template-columns:repeat(3,4px);
  grid-template-rows:repeat(3,4px);
  gap:3px;
  flex:0 0 auto;
}
.brand__mark i{display:block;width:4px;height:4px;border-radius:1px;background:var(--brand);opacity:.5;}
.brand__mark i:nth-child(2),
.brand__mark i:nth-child(4),
.brand__mark i:nth-child(5),
.brand__mark i:nth-child(6),
.brand__mark i:nth-child(8){opacity:.85;}
.brand__text{
  display:flex;
  flex-direction:column;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand__text small{font-size:11px;font-weight:400;color:var(--ink-2);letter-spacing:.06em;margin-top:2px;}

.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 13px;
  border-radius:999px;
  font-size:14px;
  color:var(--ink-1);
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--ink-0);background:rgba(44,224,192,.08);}
.dock-nav a.is-active{
  color:var(--brand);
  background:rgba(44,224,192,.10);
  box-shadow:inset 0 0 0 1px rgba(44,224,192,.30);
}
.dock-nav a.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}

.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-search{
  display:flex;
  align-items:center;
  gap:6px;
  padding:3px;
  border-radius:999px;
  border:1px solid transparent;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.dock-search:focus-within{
  border-color:rgba(44,224,192,.45);
  background:rgba(44,224,192,.06);
  box-shadow:0 0 0 4px rgba(44,224,192,.08);
}
.dock-search input{
  width:0;
  min-width:0;
  opacity:0;
  padding:0;
  border:0;
  background:transparent;
  color:var(--ink-0);
  font-size:14px;
  outline:none;
  transition:width .22s var(--ease),opacity .22s var(--ease),padding .22s var(--ease);
}
.dock-search input::placeholder{color:var(--ink-2);}
.dock-search:focus-within input{width:168px;opacity:1;padding:0 4px;}
.icon-btn{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-1);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(44,224,192,.35);background:rgba(44,224,192,.08);}

.dock-toggle{display:none;width:44px;height:44px;place-items:center;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--ink-0);}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;position:relative;}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;}
.dock-toggle span::before{top:-6px;}
.dock-toggle span::after{top:6px;}

.mobile-backdrop{
  position:fixed;
  inset:0;
  z-index:78;
  background:rgba(4,7,14,.62);
  backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.mobile-backdrop.is-open{opacity:1;visibility:visible;pointer-events:auto;}
.mobile-panel{
  position:fixed;
  top:82px;
  left:50%;
  z-index:79;
  width:calc(100% - 24px);
  max-width:520px;
  padding:14px;
  display:flex;
  flex-direction:column;
  gap:4px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(11,18,34,.95);
  backdrop-filter:blur(18px) saturate(150%);
  box-shadow:var(--shadow-card);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform:translateX(-50%) translateY(-10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
}
.mobile-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:14px;
  font-size:15px;
  color:var(--ink-1);
}
.mobile-panel a:hover{background:rgba(44,224,192,.08);color:var(--ink-0);}
.mobile-panel a.is-active{color:var(--brand);background:rgba(44,224,192,.10);box-shadow:inset 0 0 0 1px rgba(44,224,192,.28);}
.mobile-panel .btn{margin-top:8px;width:100%;}

/* ---------- 通用 ---------- */
.section{padding:96px 0;}
.section--alt{background:var(--bg-1);}
.section--tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:30px;line-height:1.3;}
.sec-head p{margin-top:10px;font-size:15px;color:var(--ink-1);max-width:640px;}
.sec-dots{
  display:grid;
  grid-template-columns:repeat(3,4px);
  gap:3px;
  margin-bottom:14px;
  opacity:.6;
}
.sec-dots i{display:block;width:4px;height:4px;border-radius:1px;background:var(--brand);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--brand);
  background:rgba(44,224,192,.12);
  border:1px solid rgba(44,224,192,.28);
}
.badge--accent{
  color:var(--accent);
  background:rgba(255,180,60,.12);
  border-color:rgba(255,180,60,.30);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),filter .18s var(--ease);
}
.btn--pill{border-radius:999px;}
.btn--primary{
  color:#20160A;
  background:linear-gradient(180deg,#FFC768,#FFB43C 62%,#E7961F);
  box-shadow:var(--glow-accent);
}
.btn--primary:hover{
  color:#20160A;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(255,180,60,.62),0 16px 34px -10px rgba(255,180,60,.5);
}
.btn--primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,180,60,.34);}
.btn--ghost{
  color:var(--brand);
  background:rgba(44,224,192,.06);
  border:1px solid rgba(44,224,192,.34);
  box-shadow:0 0 0 1px rgba(44,224,192,.10);
}
.btn--ghost:hover{
  color:var(--brand);
  transform:translateY(-1px);
  border-color:rgba(44,224,192,.58);
  box-shadow:0 12px 30px -14px rgba(44,224,192,.5);
}
.btn--ghost:active{transform:translateY(1px);box-shadow:none;}
.btn--text{
  min-height:44px;
  padding:8px 4px;
  color:var(--brand);
  font-weight:600;
}
.btn--text:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 分类页窄 Hero ---------- */
.page-hero{
  position:relative;
  padding:44px 0 56px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.14;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(620px 320px at 14% 0%,rgba(44,224,192,.12),transparent 70%);
}
.page-hero .container{position:relative;z-index:1;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .crumb-cur{color:var(--ink-1);}
.page-hero h1{
  margin-top:14px;
  font-size:40px;
  line-height:1.25;
  letter-spacing:-.02em;
  max-width:880px;
}
.hero-lede{margin-top:14px;font-size:16px;color:var(--ink-1);max-width:660px;}
.anchor-bar{
  display:flex;
  gap:10px;
  margin-top:28px;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-bar a{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:8px 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--ink-1);
  border:1px solid var(--line);
  background:rgba(17,26,46,.55);
  backdrop-filter:blur(10px);
}
.anchor-bar a:hover{
  color:var(--brand);
  border-color:rgba(44,224,192,.40);
  transform:translateY(-1px);
}

/* ---------- 时间线主体版式 ---------- */
.tl{margin-top:8px;}
.tl-item{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:24px;
  padding-bottom:26px;
}
.tl-axis{position:relative;display:flex;justify-content:center;padding-top:4px;}
.tl-axis::before{
  content:"";
  position:absolute;
  top:56px;
  bottom:-26px;
  left:50%;
  width:1px;
  transform:translateX(-50%);
  background:var(--line);
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child .tl-axis::before{display:none;}
.tl-node{
  position:relative;
  z-index:1;
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  border-radius:999px;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  border:1px solid rgba(44,224,192,.32);
  background:linear-gradient(rgba(44,224,192,.13),rgba(44,224,192,.13)),var(--bg-1);
}
.tl-card{
  position:relative;
  overflow:hidden;
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(17,26,46,.55);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.tl-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--top-hi);
}
.tl-card:hover{
  transform:translateY(-4px);
  border-color:rgba(44,224,192,.30);
  box-shadow:0 0 0 1px rgba(44,224,192,.18),0 22px 44px -26px rgba(0,0,0,.95);
}
.tl-card h3{font-size:19px;line-height:1.5;}
.tl-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--ink-1);max-width:760px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tl-tags span{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ink-1);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.step-stat{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
  margin-top:6px;
}
.step-stat b{color:var(--brand);font-weight:700;}

/* ---------- 准备事项 ---------- */
.prepare-grid{
  display:grid;
  grid-template-columns:380px 1fr;
  gap:48px;
  align-items:start;
}
.prepare-intro h2{font-size:28px;line-height:1.35;margin-top:14px;}
.prepare-intro p{margin-top:12px;font-size:15px;color:var(--ink-1);}
.prepare-intro .btn{margin-top:22px;}
.prepare-figure{
  margin-top:26px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  position:relative;
}
.prepare-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.12),rgba(6,10,20,.55));
}
.prepare-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.prep-list{border-top:1px solid var(--line);}
.prep-item{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:18px;
  padding:22px 4px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s var(--ease);
}
.prep-item:hover{background:rgba(44,224,192,.045);}
.prep-idx{
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  padding-top:2px;
}
.prep-item h3{font-size:17px;}
.prep-item p{margin-top:6px;font-size:14.5px;line-height:1.8;color:var(--ink-1);}

/* ---------- 常见卡点 ---------- */
.note-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.note-card{
  position:relative;
  overflow:hidden;
  padding:22px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(17,26,46,.55);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.note-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--top-hi);}
.note-card:hover{
  transform:translateY(-4px);
  border-color:rgba(44,224,192,.30);
  box-shadow:0 0 0 1px rgba(44,224,192,.18),0 22px 44px -26px rgba(0,0,0,.95);
}
.note-card h3{font-size:17px;}
.note-card p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--ink-1);}
.note-flag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--accent);
  margin-bottom:10px;
}
.note-flag::before{
  content:"";
  width:6px;height:6px;border-radius:999px;background:var(--accent);
  box-shadow:0 0 0 3px rgba(255,180,60,.16);
}

/* ---------- 相邻分类跳转 ---------- */
.nav-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.pair-card{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(17,26,46,.55);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.pair-card:hover{
  transform:translateY(-4px);
  border-color:rgba(44,224,192,.30);
  box-shadow:0 0 0 1px rgba(44,224,192,.18),0 22px 44px -26px rgba(0,0,0,.95);
}
.pair-label{font-size:12px;letter-spacing:.08em;color:var(--ink-2);}
.pair-card strong{font-size:18px;color:var(--ink-0);font-weight:600;}
.pair-desc{font-size:14px;color:var(--ink-1);}
.pair-card .pair-arrow{
  margin-top:8px;
  font-size:14px;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start;}
.faq-intro h2{font-size:28px;line-height:1.35;}
.faq-intro p{margin-top:12px;font-size:15px;color:var(--ink-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  position:relative;
  padding:20px 44px 20px 0;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--ink-0);
  list-style:none;
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  position:absolute;
  right:12px;
  top:calc(50% - 5px);
  width:9px;
  height:9px;
  border-right:2px solid var(--ink-2);
  border-bottom:2px solid var(--ink-2);
  transform:rotate(45deg);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand);}
.faq-body{position:relative;padding:0 40px 22px 0;font-size:15px;line-height:1.9;color:var(--ink-1);}
.faq-item[open] .faq-body{padding-left:16px;}
.faq-item[open] .faq-body::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  width:3px;
  height:20px;
  border-radius:3px;
  background:var(--brand);
  opacity:.85;
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr 300px;
  gap:32px;
  align-items:center;
  padding:40px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(17,26,46,.6);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.cta-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 260px at 88% 0%,rgba(44,224,192,.12),transparent 70%);
  pointer-events:none;
}
.cta-card > *{position:relative;z-index:1;}
.cta-copy h2{font-size:28px;line-height:1.35;}
.cta-copy p{margin-top:12px;font-size:15px;color:var(--ink-1);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative;}
.copy-tip{
  align-self:center;
  font-size:13px;
  color:var(--brand);
  opacity:0;
  transform:translateY(4px);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.copy-tip.is-visible{opacity:1;transform:translateY(0);}
.cta-note{
  font-size:13.5px;
  line-height:1.9;
  color:var(--ink-2);
  padding-left:20px;
  border-left:1px solid var(--line);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  padding:64px 0 32px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:48px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--ink-2);max-width:380px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--ink-0);margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:6px 0;}
.footer-col a:hover{color:var(--brand);}
.footer-note{
  padding:26px 0;
  font-size:13.5px;
  line-height:1.9;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  padding-top:24px;
  font-size:13px;
  color:var(--ink-2);
}
.to-top{color:var(--ink-1);}
.to-top:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  main{padding-top:88px;}
  .dock-nav,.dock-search{display:none;}
  .dock-toggle{display:grid;}
  .dock{padding:8px 10px 8px 14px;gap:10px;}
  .brand__text{font-size:14px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .page-hero{padding:34px 0 44px;}
  .page-hero h1{font-size:32px;}
  .prepare-grid,.faq-wrap{grid-template-columns:1fr;gap:36px;}
  .cta-card{grid-template-columns:1fr;gap:24px;padding:32px;}
  .cta-note{border-left:0;padding-left:0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .sec-head h2,.prepare-intro h2,.faq-intro h2,.cta-copy h2{font-size:24px;}
  .page-hero h1{font-size:29px;line-height:1.32;}
  .hero-lede{font-size:15px;}
  .tl-item{grid-template-columns:1fr;gap:14px;padding-bottom:20px;}
  .tl-axis{justify-content:flex-start;padding-top:0;}
  .tl-axis::before{display:none;}
  .tl-node{width:42px;height:42px;}
  .note-grid,.nav-pair{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .dock-search{display:none;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand__text small{display:none;}
  .brand__text{font-size:13.5px;}
  .tl-card{padding:20px;}
  .cta-card{padding:24px;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .anchor-bar a{font-size:13px;padding:8px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
  .tl-card:hover,.note-card:hover,.pair-card:hover,.btn:hover,.anchor-bar a:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1222;
  --bg-2:#111A2E;
  --line:rgba(122,158,214,.14);
  --line-strong:rgba(122,158,214,.28);
  --ink-0:#F2F6FF;
  --ink-1:#A9B8D4;
  --ink-2:#6C7C99;
  --brand:#2CE0C0;
  --brand-deep:#0E9E8C;
  --accent:#FFB43C;
  --warn:#FF6B6B;
  --r-card:18px;
  --r-lg:22px;
  --r-btn:12px;
  --r-img:14px;
  --glass:rgba(17,26,46,.55);
  --glass-strong:rgba(17,26,46,.82);
  --shadow:0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-soft:0 14px 32px -22px rgba(0,0,0,.85);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dock-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-0);font-weight:600;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
[id]{scroll-margin-top:104px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--brand);text-transform:uppercase}
.dot9{display:inline-grid;grid-template-columns:repeat(3,3px);grid-auto-rows:3px;gap:3px;opacity:.7}
.dot9 i{width:3px;height:3px;background:var(--brand);border-radius:1px;display:block}
.deco-grid{
  position:absolute;width:78px;height:78px;pointer-events:none;opacity:.08;
  background-image:radial-gradient(circle,var(--brand) 1.4px,transparent 1.6px);
  background-size:13px 13px;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:28px;line-height:1.35}
.sec-head p{color:var(--ink-2);font-size:15px;max-width:560px;margin-top:8px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);min-height:44px}
.link-more:hover{text-decoration:underline}

/* ---------- 顶部 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;
  width:100%;max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  border-radius:999px;
  background:rgba(11,18,34,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:padding .2s var(--ease),background .2s var(--ease),backdrop-filter .2s var(--ease);
}
.dock-wrap.is-scrolled .dock{
  padding:6px 10px 6px 16px;
  background:rgba(9,15,29,.86);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand__mark{
  display:grid;grid-template-columns:repeat(3,4px);grid-auto-rows:4px;gap:3px;
  padding:7px;border-radius:12px;background:rgba(44,224,192,.08);
  border:1px solid rgba(44,224,192,.22);
}
.brand__mark i{width:4px;height:4px;background:var(--brand);border-radius:1px;display:block;opacity:.9}
.brand__text{display:flex;flex-direction:column;line-height:1.15;font-size:15px;font-weight:600;color:var(--ink-0);white-space:nowrap}
.brand__text small{font-size:11px;font-weight:400;color:var(--ink-2);letter-spacing:.06em}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.dock-nav a{
  position:relative;padding:9px 13px;border-radius:999px;font-size:14px;color:var(--ink-1);white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.dock-nav a:hover{color:var(--ink-0);background:rgba(122,158,214,.08)}
.dock-nav a.is-active{color:var(--brand);background:rgba(44,224,192,.10);box-shadow:inset 0 0 0 1px rgba(44,224,192,.26)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;color:var(--ink-1);border:1px solid transparent;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{color:var(--brand);background:rgba(44,224,192,.08);border-color:rgba(44,224,192,.22)}
.dock-search{
  display:flex;align-items:center;gap:8px;width:0;opacity:0;overflow:hidden;
  border-radius:999px;border:1px solid transparent;
  transition:width .22s var(--ease),opacity .22s var(--ease),border-color .22s var(--ease),padding .22s var(--ease);
}
.dock-search.is-open{width:186px;opacity:1;padding:0 12px;border-color:var(--line-strong);background:rgba(6,10,20,.6)}
.dock-search input{
  width:100%;height:40px;background:transparent;border:none;color:var(--ink-0);font-size:14px;outline:none;
}
.dock-search input::placeholder{color:var(--ink-2)}
.dock-search.is-open:focus-within{border-color:rgba(44,224,192,.55);box-shadow:0 0 0 4px rgba(44,224,192,.10)}
.menu-btn{display:none;width:44px;height:44px;border-radius:999px;color:var(--ink-1);align-items:center;justify-content:center;border:1px solid var(--line)}
.menu-btn:hover{color:var(--brand);border-color:rgba(44,224,192,.3)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:999px}
.btn--amber{
  background:linear-gradient(180deg,#FFC466,#FFB43C);
  color:#26170A;
  box-shadow:0 0 0 1px rgba(255,180,60,.45),0 12px 30px -12px rgba(255,180,60,.55);
}
.btn--amber:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,180,60,.6),0 16px 34px -12px rgba(255,180,60,.6)}
.btn--amber:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,180,60,.4),0 6px 16px -10px rgba(255,180,60,.45)}
.btn--ghost{
  background:rgba(17,26,46,.55);color:var(--ink-0);
  border-color:rgba(44,224,192,.32);
  box-shadow:0 0 0 1px rgba(44,224,192,.14),0 12px 30px -18px rgba(44,224,192,.4);
  backdrop-filter:blur(12px) saturate(140%);
}
.btn--ghost:hover{color:var(--brand);border-color:rgba(44,224,192,.6);transform:translateY(-1px);background:rgba(44,224,192,.08)}
.btn--ghost:active{transform:translateY(1px)}
.btn--text{min-height:44px;padding:0 6px;color:var(--brand);font-size:14px;font-weight:500;border-radius:8px}
.btn--text:hover{text-decoration:underline}

/* 移动面板 */
.mobile-backdrop{
  position:fixed;inset:0;background:rgba(4,7,15,.72);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);z-index:70;
}
.mobile-backdrop.is-open{opacity:1;visibility:visible}
.mobile-panel{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(9,15,29,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(150%);
  transform:translateY(-104%);
  transition:transform .26s var(--ease);
  padding:74px 20px 24px;
  box-shadow:var(--shadow);
}
.mobile-panel.is-open{transform:translateY(0)}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--ink-1);border:1px solid transparent;
}
.mobile-panel a:hover{background:rgba(122,158,214,.08);color:var(--ink-0)}
.mobile-panel a.is-active{color:var(--brand);background:rgba(44,224,192,.10);border-color:rgba(44,224,192,.24)}
.mobile-panel .mobile-cta{margin-top:14px;width:100%}

/* ---------- 面包屑 / 窄 Hero ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{opacity:.55}
.crumb .current{color:var(--ink-1)}

.hero-narrow{
  position:relative;overflow:hidden;
  padding:136px 0 56px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#080E1C 0%,var(--bg-0) 100%);
}
.hero-narrow::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.16;filter:saturate(.85);
  pointer-events:none;
}
.hero-narrow::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(to right,rgba(122,158,214,.055) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(to bottom,rgba(122,158,214,.055) 0 1px,transparent 1px 72px),
    radial-gradient(560px 300px at 12% 6%,rgba(44,224,192,.11),transparent 72%);
}
.hero-narrow .container{position:relative;z-index:2}
.hero-narrow .deco-grid{top:96px;right:6%;}
.hero-narrow h1{font-size:clamp(28px,4.2vw,44px);line-height:1.25;letter-spacing:-.02em;font-weight:700;margin:18px 0 16px;max-width:840px}
.hero-narrow .hero-lead{font-size:17px;color:var(--ink-1);max-width:680px}
.hero-narrow .hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:26px}
.hero-meta div{display:flex;align-items:baseline;gap:8px;font-size:13px;color:var(--ink-2)}
.hero-meta b{font-size:20px;color:var(--ink-0);font-variant-numeric:tabular-nums;font-weight:600}
.anchor-bar{
  display:flex;gap:10px;margin-top:32px;padding-bottom:4px;
  overflow-x:auto;scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  min-height:44px;padding:0 16px;border-radius:999px;font-size:14px;
  color:var(--ink-1);background:rgba(17,26,46,.55);border:1px solid var(--line);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.anchor-bar a:hover{color:var(--brand);border-color:rgba(44,224,192,.36);background:rgba(44,224,192,.08);transform:translateY(-1px)}
.anchor-bar a i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block;opacity:.85}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;letter-spacing:.08em;
  color:var(--brand);background:rgba(44,224,192,.12);border:1px solid rgba(44,224,192,.28);
  white-space:nowrap;
}
.badge--amber{color:var(--accent);background:rgba(255,180,60,.12);border-color:rgba(255,180,60,.3)}
.tag{
  display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--ink-1);background:rgba(17,26,46,.55);border:1px solid var(--line);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.tag:hover{color:var(--brand);border-color:rgba(44,224,192,.32);background:rgba(44,224,192,.07)}

/* ---------- 图卡流（两列不等高） ---------- */
.qa-flow{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.qa-col{display:flex;flex-direction:column;gap:24px}
.qcard{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.qcard:hover{transform:translateY(-4px);border-color:rgba(44,224,192,.32);box-shadow:0 22px 46px -26px rgba(0,0,0,.95),0 0 0 1px rgba(44,224,192,.16)}
.qcard__media{position:relative;display:block;overflow:hidden;background:#0A1120}
.qcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.qcard__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,0) 40%,rgba(6,10,20,.55) 100%);
}
.qcard:hover .qcard__media img{transform:scale(1.03)}
.ratio-4x3{aspect-ratio:4/3}
.ratio-16x9{aspect-ratio:16/9}
.ratio-3x2{aspect-ratio:3/2}
.ratio-16x10{aspect-ratio:16/10}
.ratio-1x1{aspect-ratio:1/1}
.qcard__body{padding:20px 22px 22px}
.qcard__body h3{font-size:18px;line-height:1.5;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qcard__body h3 a:hover{color:var(--brand)}
.qcard__body p{font-size:14px;line-height:1.75;color:var(--ink-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qcard__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-2)}
.qcard__meta .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand)}
.qcard__num{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;font-variant-numeric:tabular-nums;
  color:var(--ink-0);background:rgba(6,10,20,.66);border:1px solid var(--line-strong);
  backdrop-filter:blur(8px);
}

/* ---------- 标签索引 ---------- */
.tag-index{
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,34,.9),rgba(6,10,20,.6));
  padding:32px;position:relative;overflow:hidden;
}
.tag-index::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(44,224,192,.12),transparent 68%);pointer-events:none;
}
.tag-index h2{font-size:24px;margin-bottom:10px}
.tag-index .tag-index__desc{font-size:14.5px;color:var(--ink-2);max-width:640px;margin-bottom:24px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:48px;align-items:start}
.faq-side h2{font-size:28px;line-height:1.35;margin-bottom:12px}
.faq-side p{font-size:14.5px;color:var(--ink-2);max-width:320px}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 44px 22px 0;color:var(--ink-0);font-size:16.5px;font-weight:600;
  display:flex;align-items:center;gap:12px;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--brand);background:rgba(44,224,192,.10);border:1px solid rgba(44,224,192,.24);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item[open] summary::after{content:"–";background:rgba(44,224,192,.18)}
.faq-item summary::before{
  content:"";position:absolute;left:-14px;top:26px;width:3px;height:0;border-radius:3px;
  background:var(--brand);transition:height .2s var(--ease);
}
.faq-item[open] summary::before{height:22px}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{padding:0 44px 24px 0;font-size:15px;line-height:1.85;color:var(--ink-1)}

/* ---------- 相邻目录 ---------- */
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.next-card{
  display:block;padding:24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-soft),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.next-card:hover{transform:translateY(-4px);border-color:rgba(44,224,192,.32)}
.next-card .label{font-size:12px;letter-spacing:.08em;color:var(--ink-2)}
.next-card h3{font-size:19px;margin:10px 0 8px}
.next-card p{font-size:14px;color:var(--ink-2)}
.next-card .arrow{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.5px;color:var(--brand)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:40px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(17,26,46,.86),rgba(11,18,34,.66));
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    repeating-linear-gradient(to right,rgba(122,158,214,.05) 0 1px,transparent 1px 64px),
    radial-gradient(420px 220px at 88% 10%,rgba(44,224,192,.10),transparent 70%);
}
.cta-card__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-card h2{font-size:26px;margin-bottom:10px}
.cta-card p{font-size:14.5px;color:var(--ink-2);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.copy-hint{
  margin-top:12px;font-size:13px;color:var(--brand);min-height:20px;opacity:0;transition:opacity .2s var(--ease);
}
.copy-hint.is-visible{opacity:1}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:24px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand p{font-size:14px;color:var(--ink-2);margin-top:16px;max-width:360px;line-height:1.8}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--ink-0);margin-bottom:16px}
.footer-col a{display:flex;align-items:center;min-height:44px;font-size:14px;color:var(--ink-1)}
.footer-col a:hover{color:var(--brand)}
.footer-note{border-top:1px solid var(--line);padding:24px 0;font-size:13px;line-height:1.9;color:var(--ink-2)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding:20px 0 32px;font-size:13px;color:var(--ink-2)}
.footer-bottom .to-top{color:var(--brand);display:inline-flex;align-items:center;min-height:44px}
.site-footer .brand{margin-bottom:4px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .dock-nav{display:none}
  .menu-btn{display:inline-flex}
  .qa-flow{grid-template-columns:1fr}
  .qa-col{gap:20px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero-narrow{padding:118px 0 44px}
  .hero-narrow .deco-grid{display:none}
  .hero-narrow h1{font-size:28px}
  .hero-narrow .hero-lead{font-size:15.5px}
  .next-grid{grid-template-columns:1fr}
  .sec-head h2{font-size:23px}
  .tag-index{padding:22px}
  .cta-card{padding:26px}
  .cta-card h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-top{grid-template-columns:1fr;padding:44px 0 28px}
  .qcard__body{padding:18px}
  .faq-item summary{font-size:15.5px;padding:18px 40px 18px 0}
  .faq-answer{padding:0 20px 20px 0}
  .dock-search.is-open{width:132px}
}
@media (max-width:520px){
  .brand__text small{display:none}
  .brand__text{font-size:13.5px}
  .dock{padding:8px 10px 8px 12px;gap:10px}
  .dock-search.is-open{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .qcard:hover,.next-card:hover,.anchor-bar a:hover{transform:none}
}