/* roulang page: index */
:root{
  --bg-0:#070B14;
  --bg-1:#0D1526;
  --panel:#121A2B;
  --panel-2:#161F33;
  --primary:#2DE1C2;
  --primary-soft:rgba(45,225,194,.12);
  --primary-glow:rgba(45,225,194,.30);
  --violet:#7A5AF8;
  --amber:#FFB23F;
  --text-1:#EAF2FF;
  --text-2:#A9B6CC;
  --text-3:#6C7B94;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.14);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-nav:0 14px 32px rgba(0,0,0,.38);
  --space-section:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text-2);
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(122,90,248,.20), transparent 62%),
    radial-gradient(900px 540px at 6% 4%, rgba(45,225,194,.13), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 42%,var(--bg-0) 100%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:56px 56px, 56px 56px;
  opacity:.5;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 78%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 78%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3;font-weight:700;letter-spacing:.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary);color:#04140F}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.section{padding:var(--space-section) 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.section-title{font-size:clamp(24px,3.4vw,36px)}
.section-desc{color:var(--text-3);font-size:14.5px;max-width:640px;margin-top:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  text-transform:uppercase;font-family:var(--font-num);
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--primary);display:block}
.link-more{color:var(--primary);font-size:14.5px;display:inline-flex;align-items:center;gap:8px;transition:gap .22s ease-out}
.link-more:hover{gap:13px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--radius-pill);
  font-size:15.5px;font-weight:600;
  padding:13px 26px;border:1px solid transparent;
  transition:transform .22s ease-out, box-shadow .22s ease-out, background .22s ease-out, color .22s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--violet) 100%);
  color:#06131A;
  box-shadow:0 10px 28px rgba(45,225,194,.26);
}
.btn-primary:hover{
  color:#06131A;
  transform:translateY(-2px);
  box-shadow:0 14px 36px rgba(45,225,194,.42), 0 0 24px var(--primary-glow);
}
.btn-outline{
  background:rgba(255,255,255,.05);
  border-color:var(--line-strong);
  color:var(--text-1);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--primary);padding:10px 4px}
.btn-ghost i{transition:transform .22s ease-out}
.btn-ghost:hover i{transform:translateX(5px)}
.btn-block{width:100%}

/* ---------- nav ---------- */
.nav-shell{position:fixed;top:16px;left:0;right:0;z-index:60;display:flex;justify-content:center;pointer-events:none}
.nav-capsule{
  pointer-events:auto;
  width:min(1240px,92vw);
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  background:rgba(13,21,38,.55);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background .24s ease-out, box-shadow .24s ease-out, border-color .24s ease-out;
}
.nav-capsule.is-scrolled{
  background:rgba(10,16,30,.94);
  border-color:rgba(255,255,255,.10);
  box-shadow:var(--shadow-nav);
}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary) 0%,var(--violet) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#06131A;font-size:16px;font-weight:800;
  box-shadow:0 6px 18px rgba(45,225,194,.30);
}
.logo-text{color:var(--text-1);font-weight:700;font-size:16px;letter-spacing:.4px;white-space:nowrap}
.logo-text .logo-short{display:none}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-link{
  display:inline-block;padding:9px 15px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease-out, background .2s ease-out;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-link.is-active{color:#06131A;background:var(--primary);font-weight:600}
.nav-cta{margin-left:8px}
.nav-burger{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line-strong);
  color:var(--text-1);font-size:16px;
}
.nav-drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(6,10,20,.82);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  display:none;flex-direction:column;padding:26px 22px 40px;
}
.nav-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.07);border:1px solid var(--line-strong);
  color:var(--text-1);font-size:18px;
}
.drawer-links{display:flex;flex-direction:column;gap:20px;font-size:18px}
.drawer-links a{color:var(--text-1);padding:6px 0;border-bottom:1px solid var(--line)}
.drawer-links a.is-active{color:var(--primary)}
.drawer-foot{margin-top:auto;padding-top:28px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;padding:140px 0 76px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,11,20,.55) 0%, rgba(7,11,20,.86) 58%, var(--bg-0) 100%);
}
.hero-glow{
  position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle, rgba(45,225,194,.30) 0%, transparent 68%);
  top:-140px;right:-80px;filter:blur(12px);pointer-events:none;
}
.hero-inner{position:relative;z-index:3;max-width:900px}
.hero-title{font-size:clamp(30px,5vw,52px);margin:16px 0 0;letter-spacing:.5px}
.hero-sub{font-size:clamp(16px,1.7vw,20px);color:var(--text-2);margin-top:18px;max-width:680px;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;margin-top:46px;max-width:720px;
  padding:20px 24px;border-radius:20px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.stat{border-left:1px solid var(--line);padding-left:18px}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{font-family:var(--font-num);font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--primary);letter-spacing:.5px}
.stat-label{font-size:13.5px;color:var(--text-3);margin-top:4px}

/* ---------- rail ---------- */
.rail-shell{position:relative;margin-top:78px}
.rail{
  display:flex;gap:22px;overflow-x:auto;scroll-behavior:smooth;
  padding:6px 4px 22px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 300px;width:300px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s ease-out, box-shadow .24s ease-out, border-color .24s ease-out;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card),0 0 24px var(--primary-glow);border-color:rgba(45,225,194,.35)}
.rail-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rail-card:hover .rail-media img{transform:scale(1.04)}
.rail-badge{position:absolute;top:12px;left:12px}
.rail-body{padding:18px 18px 20px}
.rail-title{font-size:16.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease-out}
.rail-card:hover .rail-title{color:var(--primary)}
.rail-text{font-size:14.5px;color:var(--text-3);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3)}
.rail-fade{position:absolute;top:0;bottom:22px;width:78px;pointer-events:none;z-index:2}
.rail-fade.left{left:-4px;background:linear-gradient(90deg,var(--bg-0),transparent)}
.rail-fade.right{right:-4px;background:linear-gradient(270deg,var(--bg-0),transparent)}
.rail-arrows{display:flex;gap:10px}
.rail-arrow{
  width:44px;height:44px;border-radius:var(--radius-pill);
  background:var(--panel);border:1px solid var(--line-strong);
  color:var(--text-1);font-size:15px;
  transition:border-color .2s ease-out, color .2s ease-out, transform .2s ease-out;
}
.rail-arrow:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:var(--primary-soft);color:var(--primary);
  border:1px solid rgba(45,225,194,.22);
}
.badge-amber{background:var(--amber);color:#25190A;border-color:transparent}
.badge-violet{background:rgba(122,90,248,.16);color:#C4B6FF;border-color:rgba(122,90,248,.30)}
.tag{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);
  font-size:14px;color:var(--text-2);
  transition:color .2s ease-out, border-color .2s ease-out, transform .2s ease-out;
}
.tag:hover{color:var(--primary);border-color:rgba(45,225,194,.45);transform:translateY(-2px)}

/* ---------- hot ---------- */
.hot-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:stretch}
.hot-main{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow-card);
  transition:transform .24s ease-out, box-shadow .24s ease-out;
}
.hot-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-card),0 0 24px var(--primary-glow)}
.hot-main img{width:100%;height:100%;min-height:420px;object-fit:cover}
.hot-main-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,11,20,.10) 0%, rgba(7,11,20,.86) 72%, rgba(7,11,20,.96) 100%);
}
.hot-main-body{position:absolute;left:0;right:0;bottom:0;padding:28px}
.hot-main-title{font-size:clamp(20px,2.2vw,26px);margin:12px 0 10px}
.hot-main-text{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-list{display:flex;flex-direction:column;gap:14px}
.hot-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-card);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .22s ease-out, border-color .22s ease-out;
}
.hot-item:hover{transform:translateY(-4px);border-color:rgba(45,225,194,.35)}
.hot-num{
  font-family:var(--font-num);font-size:24px;font-weight:700;
  color:var(--primary);opacity:.75;line-height:1.1;min-width:38px;
}
.hot-item h3{font-size:16.5px;line-height:1.5;transition:color .2s ease-out}
.hot-item:hover h3{color:var(--primary)}
.hot-item p{font-size:14px;color:var(--text-3);margin:8px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- category strips ---------- */
.cat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.cat-card{
  display:block;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .24s ease-out, box-shadow .24s ease-out, border-color .24s ease-out;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(45,225,194,.35);box-shadow:0 18px 40px rgba(0,0,0,.45), 0 0 24px var(--primary-glow)}
.cat-card img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .3s ease-out}
.cat-card:hover img{transform:scale(1.04)}
.cat-card-body{padding:18px}
.cat-card-body h3{font-size:16.5px;line-height:1.5}
.cat-card-body p{font-size:14px;color:var(--text-3);margin:9px 0 0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;padding:26px;border-radius:var(--radius-card);background:rgba(255,255,255,.03);border:1px dashed var(--line-strong)}
.feat-row{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:center}
.feat-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line)}
.feat-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feat-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.feat-item:last-child{border-bottom:0}
.feat-icon{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:17px;
}
.feat-item h3{font-size:16.5px}
.feat-item p{font-size:14.5px;color:var(--text-3);margin:7px 0 0}

/* ---------- content list ---------- */
.content-list{display:grid;grid-template-columns:1.1fr 1fr;gap:22px}
.news-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:22px;border-radius:var(--radius-card);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .22s ease-out, border-color .22s ease-out, box-shadow .22s ease-out;
}
.news-item:hover{transform:translateY(-4px);border-color:rgba(45,225,194,.35);box-shadow:0 18px 40px rgba(0,0,0,.45), 0 0 24px var(--primary-glow)}
.news-thumb{flex:0 0 132px;width:132px;aspect-ratio:16/10;border-radius:var(--radius-img);overflow:hidden;background:var(--panel-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-item:hover .news-thumb img{transform:scale(1.04)}
.news-body{min-width:0}
.news-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease-out}
.news-item:hover .news-body h3{color:var(--primary)}
.news-body p{font-size:14.5px;color:var(--text-3);margin:9px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.news-arrow{color:var(--primary);font-size:13px}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;
  border:1px dashed rgba(45,225,194,.35);border-radius:var(--radius-card);
  background:rgba(45,225,194,.04);color:var(--text-3);
}
.empty-state i{font-size:26px;color:var(--primary)}

/* ---------- evidence ---------- */
.evidence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.evidence-card{padding:26px;border-radius:var(--radius-card);background:var(--panel);border:1px solid var(--line)}
.evidence-card h3{font-size:17px;margin-bottom:10px}
.evidence-card p{font-size:14.5px;color:var(--text-3)}
.progress{height:6px;border-radius:var(--radius-pill);background:rgba(255,255,255,.08);margin-top:18px;overflow:hidden}
.progress span{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--primary),var(--violet))}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border-radius:var(--radius-card);background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:border-color .22s ease-out}
.faq-item.is-open{border-color:rgba(45,225,194,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:0;
  color:var(--text-1);font-size:17px;font-weight:600;text-align:left;line-height:1.5;
}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:14px;
  transition:transform .22s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-a-inner{padding:0 22px 22px;color:var(--text-2);font-size:15px;border-top:1px solid var(--line);padding-top:16px;margin:0 22px 22px;padding-left:0;padding-right:0}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  padding:56px 44px;
  background:linear-gradient(120deg, rgba(45,225,194,.16) 0%, rgba(122,90,248,.20) 55%, rgba(7,11,20,.4) 100%);
  border:1px solid var(--line-strong);
}
.cta-band::after{
  content:"";position:absolute;top:-120px;right:-60px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(45,225,194,.34) 0%, transparent 68%);
}
.cta-band-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,3vw,32px);max-width:620px}
.cta-band p{color:var(--text-2);margin-top:12px;max-width:620px;font-size:15px}

/* ---------- footer ---------- */
.footer{
  margin-top:96px;padding:0 0 34px;
  border-top:1px solid rgba(45,225,194,.28);
  background:linear-gradient(180deg, rgba(13,21,38,.65) 0%, rgba(7,11,20,.9) 100%);
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding:56px 0 38px}
.footer-brand p{font-size:14.5px;color:var(--text-3);margin-top:16px;max-width:330px}
.footer-col h4{font-size:15px;color:var(--text-1);margin-bottom:16px;letter-spacing:.4px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:var(--text-3);transition:color .2s ease-out}
.footer-col a:hover{color:var(--primary)}
.footer-note{font-size:14px;color:var(--text-3)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3);
}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:var(--radius-pill);
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);color:var(--text-2);
  transition:color .2s ease-out, border-color .2s ease-out, transform .2s ease-out;
}
.footer-social a:hover{color:var(--primary);border-color:rgba(45,225,194,.45);transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hot-grid{grid-template-columns:1fr 1fr}
  .cat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .content-list{grid-template-columns:1fr}
}
@media (max-width:991px){
  :root{--space-section:72px}
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center}
  .hero{min-height:66vh;padding:132px 0 62px}
  .hot-grid{grid-template-columns:1fr}
  .hot-main img{min-height:300px}
  .feat-row{grid-template-columns:1fr}
  .evidence-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  :root{--space-section:56px}
  body{font-size:16px}
  .container{padding:0 16px}
  .nav-capsule{padding:9px 10px 9px 14px}
  .logo-text .logo-full{display:none}
  .logo-text .logo-short{display:inline}
  .rail-shell{margin-top:56px}
  .rail-card{flex:0 0 78vw;width:78vw}
  .hero-stats{grid-template-columns:1fr;gap:16px;padding:18px 20px}
  .stat{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:14px}
  .stat:first-child{border-top:0;padding-top:0}
  .hero-actions .btn{flex:1 1 100%}
  .cat-row{grid-template-columns:1fr}
  .evidence-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column}
  .news-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9}
  .cta-band{padding:38px 22px}
  .cta-band-inner .btn{width:100%}
  .footer-top{grid-template-columns:1fr;padding:44px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head{align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .rail{scroll-behavior:auto}
  .rail-card:hover,.cat-card:hover,.news-item:hover,.hot-item:hover,.hot-main:hover{transform:none;box-shadow:var(--shadow-card)}
  .rail-card:hover .rail-media img,.cat-card:hover img,.news-item:hover .news-thumb img{transform:none}
}

/* roulang page: article */
:root{
  --bg-0:#070B14;
  --bg-1:#0D1526;
  --panel:#121A2B;
  --panel-2:#162034;
  --primary:#2DE1C2;
  --primary-soft:rgba(45,225,194,.12);
  --primary-glow:rgba(45,225,194,.30);
  --violet:#7A5AF8;
  --amber:#FFB23F;
  --text:#EAF2FF;
  --text-2:#A9B6CC;
  --text-3:#6C7B94;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --ease:220ms ease-out;
  --space-section:88px;
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(122,90,248,.18), transparent 62%),
    radial-gradient(900px 460px at 8% 6%, rgba(45,225,194,.12), transparent 60%),
    linear-gradient(180deg,var(--bg-1) 0%,var(--bg-0) 58%,#050810 100%);
  background-attachment:fixed;
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.028) 0 1px,transparent 1px 64px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.028) 0 1px,transparent 1px 64px);
  opacity:.7;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--primary);}
h1,h2,h3,h4{color:var(--text);margin:0 0 .6em;line-height:1.35;font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(28px,4.4vw,44px);}
h2{font-size:clamp(24px,3.4vw,36px);}
h3{font-size:clamp(19px,2vw,23px);}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.15em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:var(--space-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.section-head p{margin:0;color:var(--text-3);font-size:14px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--primary),transparent);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--violet));
  color:#06121A;
  box-shadow:0 0 0 1px rgba(45,225,194,.35),0 10px 28px rgba(45,225,194,.22);
}
.btn-primary:hover{color:#06121A;filter:brightness(1.08);box-shadow:0 0 0 1px rgba(45,225,194,.55),0 0 30px rgba(45,225,194,.45);transform:translateY(-2px);}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:var(--line-2);color:var(--text);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:var(--primary);border-color:rgba(45,225,194,.5);transform:translateY(-2px);}
.btn-plain{background:none;border:none;color:var(--primary);padding:0;font-weight:600;}
.btn-plain i{transition:transform var(--ease);}
.btn-plain:hover i{transform:translateX(5px);}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-capsule{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(var(--maxw),92vw);z-index:60;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(13,21,38,.62);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.nav-capsule.is-scrolled{
  background:rgba(9,14,26,.94);
  border-color:var(--line-2);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}
.nav-logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text);flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  color:#06121A;font-size:17px;font-weight:800;
  box-shadow:0 0 18px rgba(45,225,194,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-full{font-size:15px;letter-spacing:.2px;}
.logo-short{display:none;font-size:15px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  font-size:14.5px;color:var(--text-2);padding:9px 15px;border-radius:999px;
  transition:all var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--primary);background:var(--primary-soft);}
.nav-cta{padding:10px 22px;font-size:14.5px;}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);
  color:var(--text);font-size:16px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-drawer{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(7,11,20,.86);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  padding:26px 22px;
}
.nav-drawer.is-open{display:flex;flex-direction:column;gap:8px;}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid var(--line-2);color:var(--text);font-size:17px;cursor:pointer;}
.nav-drawer .nav-link{font-size:17px;padding:14px 16px;border-radius:14px;}
.nav-drawer .nav-cta{margin-top:18px;width:100%;padding:14px;}

/* ---------- 文章页头部 ---------- */
.page-hero{
  position:relative;padding:150px 0 40px;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(700px 300px at 78% 0%, rgba(122,90,248,.24), transparent 66%),
    linear-gradient(180deg,rgba(7,11,20,.6),rgba(7,11,20,.96));
}
.page-hero > .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--text-2);}
.article-title{max-width:900px;}
.article-lead{
  max-width:780px;color:var(--text-2);font-size:16.5px;margin-top:6px;
}
.meta-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px;
  padding:14px 20px;border-radius:999px;
  background:rgba(13,21,38,.6);border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  font-size:13.5px;color:var(--text-3);
}
.meta-bar .badge{
  background:var(--primary-soft);color:var(--primary);
  padding:4px 12px;border-radius:999px;font-weight:600;font-size:13px;
}
.meta-bar .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}
.meta-bar .author{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);}
.meta-bar .author i{color:var(--primary);}

/* ---------- 正文双栏 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;align-items:start;padding-bottom:96px;
}
.article-panel{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
  padding:40px 44px;
}
.article-body{max-width:100%;font-size:17px;color:var(--text-2);}
.article-body h2{
  position:relative;padding-left:18px;margin-top:2em;
  font-size:clamp(21px,2.4vw,27px);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--violet));
}
.article-body h3{font-size:19.5px;margin-top:1.6em;color:#DCE7F8;}
.article-body p{margin:0 0 1em;}
.article-body strong{color:var(--text);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(45,225,194,.35);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body ul li,.article-body ol li{margin-bottom:.5em;}
.article-body img{margin:24px 0;border:1px solid var(--line);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(45,225,194,.06);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:#C9D6EA;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(45,225,194,.08);color:var(--text);font-weight:600;}
.article-body tr:last-child td{border-bottom:none;}
.article-body code{
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  padding:2px 7px;border-radius:6px;font-size:14px;color:#CFEFE8;
}
.article-body pre{
  background:#0A1120;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:18px 20px;overflow:auto;font-size:14px;color:#C9D6EA;
}
.article-divider{height:1px;background:var(--line);margin:36px 0;}
.empty-state{
  text-align:center;padding:60px 24px;border:1px dashed rgba(45,225,194,.4);
  border-radius:var(--radius-lg);background:rgba(45,225,194,.04);
}
.empty-state i{font-size:34px;color:var(--primary);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state a{margin-top:18px;}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 22px 20px;box-shadow:var(--shadow-card);
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--primary);font-size:14px;}
.toc-list{list-style:none;margin:0;padding:0;font-size:14.5px;}
.toc-list li{margin-bottom:4px;}
.toc-list a{
  display:block;padding:8px 12px;border-radius:10px;color:var(--text-2);
  border-left:2px solid transparent;transition:all var(--ease);
}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--primary);border-left-color:var(--primary);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:13px;padding:6px 13px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);transition:all var(--ease);
}
.tag:hover{background:rgba(45,225,194,.22);color:#CFF9F1;}
.tag.tag-violet{background:rgba(122,90,248,.16);color:#C3B6FF;}
.tag.tag-amber{background:rgba(255,178,63,.16);color:var(--amber);}
.side-note{font-size:13.5px;color:var(--text-3);line-height:1.85;}
.side-cta{display:block;text-align:center;margin-top:14px;}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card),0 0 24px var(--primary-glow);border-color:rgba(45,225,194,.35);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:0;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:18px 20px 20px;}
.card-body h3{font-size:17px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-body h3{color:var(--primary);}
.card-body p{font-size:14px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card-foot .arrow{color:var(--primary);transition:transform var(--ease);}
.card:hover .card-foot .arrow{transform:translateX(5px);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:border-color var(--ease);
}
.faq-item.is-open{border-color:rgba(45,225,194,.35);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;
  color:var(--text);font-size:17px;font-weight:600;text-align:left;
}
.faq-q .sign{color:var(--primary);font-size:19px;transition:transform var(--ease);flex-shrink:0;}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease);background:rgba(6,10,19,.6);}
.faq-a p{padding:16px 22px;margin:0;color:var(--text-2);font-size:15.5px;}

/* ---------- 返回入口 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid rgba(45,225,194,.28);
  background:
    radial-gradient(620px 220px at 12% 0%, rgba(45,225,194,.20), transparent 65%),
    radial-gradient(520px 220px at 88% 100%, rgba(122,90,248,.24), transparent 62%),
    var(--panel);
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:8px;}
.cta-band p{margin:0;color:var(--text-2);max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.footer{margin-top:40px;border-top:1px solid rgba(45,225,194,.28);background:rgba(7,11,20,.72);position:relative;z-index:1;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:64px 0 44px;}
.footer-brand p{font-size:14.5px;color:var(--text-3);margin-top:16px;max-width:360px;}
.footer h4{font-size:15px;color:var(--text);margin-bottom:16px;}
.footer ul{list-style:none;padding:0;margin:0;}
.footer ul li{margin-bottom:10px;font-size:14.5px;}
.footer ul li a{color:var(--text-2);}
.footer ul li a:hover{color:var(--primary);}
.footer-note{color:var(--text-3);font-size:14px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:20px 0 30px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3);
}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);font-size:14px;
}
.footer-social a:hover{color:var(--primary);border-color:rgba(45,225,194,.4);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
  .article-panel{padding:34px 32px;}
}
@media (max-width:991px){
  :root{--space-section:64px;}
  .nav-links,.nav-capsule .nav-cta{display:none;}
  .nav-burger{display:inline-flex;margin-left:auto;}
  .article-layout{grid-template-columns:1fr;}
  .article-aside{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .page-hero{padding:132px 0 32px;}
}
@media (max-width:767px){
  .logo-full{display:none;}
  .logo-short{display:inline;}
  .logo-text{font-size:14.5px;}
  .container{padding:0 16px;}
  .article-panel{padding:26px 20px;}
  .meta-bar{border-radius:18px;padding:12px 16px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;}
  .cta-actions .btn{width:100%;}
  .article-body{font-size:16px;}
  .footer-top{grid-template-columns:1fr;padding:48px 0 32px;}
}
@media (max-width:520px){
  .article-title{font-size:26px;}
  .faq-q{font-size:16px;padding:16px 16px;}
  .section{padding:48px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .card:hover{transform:none;box-shadow:var(--shadow-card);}
}

/* roulang page: category1 */
:root{
  --bg-0:#070B14;
  --bg-1:#0D1526;
  --panel:#121A2B;
  --panel-soft:#0F1725;
  --primary:#2DE1C2;
  --primary-12:rgba(45,225,194,.12);
  --primary-20:rgba(45,225,194,.20);
  --violet:#7A5AF8;
  --amber:#FFB23F;
  --text:#EAF2FF;
  --text-body:#A9B6CC;
  --text-muted:#6C7B94;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(45,225,194,.30);
  --dur:240ms;
  --ease:cubic-bezier(.22,.68,.32,1);
  --container:1240px;
  --section:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--text-body);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(45,225,194,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(122,90,248,.14), transparent 66%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 58%,#080D18 100%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.9), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.9), transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:2;
}
.section{padding:var(--section) 0;position:relative;z-index:2;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:clamp(24px,3.4vw,36px);line-height:1.3;}
.section-head p{margin:0;color:var(--text-muted);font-size:14px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--primary);
  margin-bottom:14px;
  font-family:var(--font-num);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7;}

/* ---------- 导航 ---------- */
.nav-capsule{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1240px,92vw);
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:var(--radius-pill);
  background:rgba(13,21,38,.62);
  border:1px solid var(--border-strong);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  z-index:60;
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-capsule.is-scrolled{
  background:rgba(10,16,30,.94);
  border-color:rgba(255,255,255,.10);
  box-shadow:0 16px 34px rgba(0,0,0,.55);
}
.nav-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  color:#06131A;
  font-weight:800;
  font-size:18px;
  box-shadow:0 0 18px rgba(45,225,194,.35);
  font-family:var(--font-cn);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-full{color:var(--text);font-weight:700;font-size:15px;letter-spacing:.3px;}
.logo-short{display:none;color:var(--text);font-weight:700;font-size:15px;}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-link{
  padding:9px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  color:var(--text-body);
  white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{
  color:#04140F;
  background:linear-gradient(135deg,var(--primary),#4FD8C4);
  font-weight:700;
  box-shadow:0 0 18px rgba(45,225,194,.35);
}
.nav-cta{flex:0 0 auto;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:var(--radius-pill);
  padding:12px 24px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  cursor:pointer;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--violet));
  color:#06131A;
  box-shadow:0 0 0 1px rgba(45,225,194,.45),0 10px 26px rgba(45,225,194,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(45,225,194,.6),0 14px 34px rgba(45,225,194,.4);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  color:var(--text);
  border:1px solid var(--border-strong);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-text{
  background:none;
  border:none;
  color:var(--primary);
  padding:4px 0;
  font-size:15px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.btn-text i{transition:transform var(--dur) var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.nav-burger{
  display:none;
  width:42px;height:42px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  color:var(--text);
  font-size:16px;
  align-items:center;
  justify-content:center;
}
.nav-drawer-mask{display:none;}
body.nav-open{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  padding:118px 0 0;
  position:relative;
  z-index:2;
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-muted);
  flex-wrap:wrap;
}
.crumb a{color:var(--text-body);transition:color var(--dur) var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.5;font-family:var(--font-num);}
.crumb .current{color:var(--primary);}

/* ---------- 窄带 Hero ---------- */
.cat-hero{
  position:relative;
  min-height:40vh;
  display:flex;
  align-items:flex-end;
  margin-top:22px;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow-card);
  isolation:isolate;
}
.cat-hero img.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:-2;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(560px 300px at 82% 12%, rgba(45,225,194,.22), transparent 66%),
    linear-gradient(180deg, rgba(7,11,20,.42) 0%, rgba(7,11,20,.86) 62%, rgba(7,11,20,.96) 100%);
}
.cat-hero-inner{padding:56px 48px 48px;max-width:820px;}
.cat-hero h1{
  font-size:clamp(30px,5vw,48px);
  line-height:1.22;
  margin-bottom:16px;
  text-shadow:0 6px 26px rgba(0,0,0,.6);
}
.cat-hero .hero-lead{
  font-size:clamp(16px,1.6vw,19px);
  color:#D6E3F5;
  margin:0 0 22px;
  max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;
  color:var(--primary);
  background:var(--primary-12);
  border:1px solid rgba(45,225,194,.25);
}
.tag-amber{color:#2B1C03;background:var(--amber);border-color:transparent;font-weight:700;}
.tag-violet{color:#DCD4FF;background:rgba(122,90,248,.22);border-color:rgba(122,90,248,.4);}

/* ---------- 栏目说明 ---------- */
.intro-panel{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:36px 40px;
  box-shadow:var(--shadow-card);
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:40px;
  align-items:center;
}
.intro-panel h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:16px;}
.intro-panel p{color:var(--text-body);margin-bottom:14px;}
.intro-panel p:last-child{margin-bottom:0;}
.intro-figure{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--border);
  aspect-ratio:4/3;
  background:var(--panel-soft);
}
.intro-figure img{width:100%;height:100%;object-fit:cover;}
.stat-row{display:flex;gap:28px;margin-top:22px;flex-wrap:wrap;}
.stat-item{display:flex;flex-direction:column;gap:2px;}
.stat-num{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-label{font-size:13px;color:var(--text-muted);}

/* ---------- 编号条目 ---------- */
.entry-list{display:flex;flex-direction:column;gap:18px;}
.entry-item{
  display:grid;
  grid-template-columns:112px 1fr;
  gap:28px;
  align-items:flex-start;
  padding:30px 34px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.entry-item:hover{
  transform:translateY(-4px);
  border-color:rgba(45,225,194,.35);
  box-shadow:0 22px 46px rgba(0,0,0,.5),var(--glow);
}
.entry-num{
  font-family:var(--font-num);
  font-size:clamp(38px,4.4vw,58px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-variant-numeric:tabular-nums;
  padding-top:4px;
}
.entry-body h3{font-size:20px;margin-bottom:10px;}
.entry-body p{margin:0 0 12px;color:var(--text-body);}
.entry-meta{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-muted);
  font-family:var(--font-num);
}
.entry-meta .badge{
  font-family:var(--font-cn);
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  color:var(--primary);
  background:var(--primary-12);
}
.entry-meta .badge-amber{color:#2B1C03;background:var(--amber);font-weight:700;}

/* ---------- 核对清单 ---------- */
.check-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.media-frame{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--border);
  aspect-ratio:16/10;
  background:var(--panel-soft);
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.media-frame:hover img{transform:scale(1.04);}
.check-list{display:flex;flex-direction:column;gap:16px;}
.check-list li{
  display:grid;
  grid-template-columns:34px 1fr;
  gap:14px;
  padding:18px 20px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:14px;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.check-list li:hover{border-color:rgba(45,225,194,.3);transform:translateY(-3px);}
.check-list .ico{
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  background:var(--primary-12);
  color:var(--primary);
  font-size:14px;
}
.check-list strong{display:block;color:var(--text);font-size:16px;margin-bottom:4px;}
.check-list span{font-size:14px;color:var(--text-body);}

/* ---------- 标签云 ---------- */
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  padding:32px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.tag-cloud a{
  padding:10px 20px;
  border-radius:var(--radius-pill);
  font-size:15px;
  color:var(--text-body);
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  transition:all var(--dur) var(--ease);
}
.tag-cloud a:hover{
  color:#06131A;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  border-color:transparent;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(45,225,194,.25);
}
.tag-cloud a:nth-child(3n+2){font-size:16px;}

/* ---------- 底部 CTA ---------- */
.cta-strip{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(45,225,194,.28);
  background:
    radial-gradient(620px 260px at 14% 0%, rgba(45,225,194,.20), transparent 68%),
    radial-gradient(560px 240px at 88% 100%, rgba(122,90,248,.26), transparent 70%),
    var(--panel);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--shadow-card);
}
.cta-strip::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--primary),var(--violet),transparent);
}
.cta-strip h2{font-size:clamp(22px,3vw,32px);margin-bottom:12px;}
.cta-strip p{margin:0;color:var(--text-body);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:96px;
  border-top:1px solid var(--border);
  position:relative;
  z-index:2;
  background:linear-gradient(180deg,rgba(7,11,20,0),rgba(6,9,17,.9));
}
.footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;
  width:180px;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 0 44px;
}
.footer-brand p{font-size:14px;color:var(--text-muted);margin:18px 0 0;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:var(--text-body);transition:color var(--dur) var(--ease);}
.footer-col a:hover{color:var(--primary);}
.footer-note{font-size:14px;color:var(--text-muted);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0 34px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-muted);
}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:36px;height:36px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  color:var(--text-body);
  transition:all var(--dur) var(--ease);
}
.footer-social a:hover{color:#06131A;background:var(--primary);border-color:transparent;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-link{padding:9px 11px;font-size:14px;}
  .intro-panel{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:991px){
  :root{--section:72px;}
  .nav-capsule{padding:10px 12px;gap:12px;}
  .nav-links{
    position:fixed;
    inset:0;
    flex-direction:column;
    justify-content:center;
    align-items:stretch;
    gap:20px;
    padding:88px 32px 48px;
    background:rgba(9,14,26,.94);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    transform:translateY(-102%);
    opacity:0;
    pointer-events:none;
    transition:transform 280ms var(--ease),opacity 240ms var(--ease);
    z-index:80;
  }
  body.nav-open .nav-links{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-link{font-size:19px;padding:16px 20px;border-radius:14px;border:1px solid var(--border);}
  .nav-link.is-active{color:#04140F;}
  .nav-burger{display:flex;margin-left:auto;z-index:90;}
  .nav-cta{display:none;}
  .logo-full{display:none;}
  .logo-short{display:block;}
  .crumb-bar{padding:104px 0 0;}
  .cat-hero-inner{padding:40px 28px 32px;}
  .entry-item{grid-template-columns:80px 1fr;gap:20px;padding:24px;}
  .check-wrap{grid-template-columns:1fr;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:40px 28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767px){
  :root{--section:56px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .cat-hero{min-height:44vh;border-radius:18px;}
  .cat-hero-inner{padding:32px 20px 28px;}
  .intro-panel{padding:26px 22px;}
  .entry-item{grid-template-columns:1fr;gap:12px;padding:22px;}
  .entry-num{font-size:40px;}
  .tag-cloud{padding:22px;gap:10px;}
  .tag-cloud a{padding:8px 16px;font-size:14px;}
  .cta-strip{padding:32px 20px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .stat-row{gap:20px;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:26px;}
  .hero-tags{gap:8px;}
  .tag{font-size:12px;padding:5px 11px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .entry-item:hover,.check-list li:hover,.btn:hover{transform:none;box-shadow:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B14;
  --bg-1:#0D1526;
  --panel:#121A2B;
  --panel-2:#16203310;
  --primary:#2DE1C2;
  --primary-dim:rgba(45,225,194,.12);
  --primary-glow:rgba(45,225,194,.30);
  --violet:#7A5AF8;
  --amber:#FFB23F;
  --text:#EAF2FF;
  --body:#A9B6CC;
  --muted:#6C7B94;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.14);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 22px 46px rgba(0,0,0,.5), 0 0 24px var(--primary-glow);
  --ease:240ms ease-out;
  --gap-section:88px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 55%,var(--bg-0) 100%);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:56px 56px;
  z-index:0;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);font-weight:700;line-height:1.3;letter-spacing:.01em;}
h1{font-size:clamp(30px,5vw,52px);}
h2{font-size:clamp(24px,3.4vw,36px);}
h3{font-size:20px;}
h4{font-size:17px;}
p{margin:0 0 1em;color:var(--body);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:rgba(45,225,194,.28);color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:var(--gap-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head .eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--primary);text-transform:uppercase;margin-bottom:10px;}
.section-head p{max-width:640px;margin:0;font-size:15px;color:var(--muted);}

/* ===== 导航 ===== */
.nav-capsule{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1240px,92vw);
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 18px;
  border-radius:var(--radius-pill);
  background:rgba(13,21,38,.62);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  z-index:120;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.nav-capsule.is-scrolled{
  background:rgba(9,14,26,.94);
  border-color:var(--line-strong);
  box-shadow:0 16px 36px rgba(0,0,0,.5);
}
.nav-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--violet) 135%);
  color:#06121A;font-weight:800;font-size:18px;
  box-shadow:0 0 18px rgba(45,225,194,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-full{font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;}
.logo-short{display:none;font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-link{
  display:inline-block;
  padding:8px 14px;
  font-size:14.5px;
  color:var(--body);
  border-radius:var(--radius-pill);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--primary);background:var(--primary-dim);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--violet) 135%);
  color:#06121A;
  box-shadow:0 0 0 1px rgba(45,225,194,.35),0 10px 26px rgba(45,225,194,.22);
}
.btn-primary:hover{color:#06121A;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(45,225,194,.6),0 14px 32px rgba(45,225,194,.45);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  color:var(--text);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:var(--primary);border-color:rgba(45,225,194,.5);transform:translateY(-2px);}
.btn-text{color:var(--primary);padding:8px 0;font-weight:600;}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover i{transform:translateX(5px);}
.nav-cta{padding:10px 20px;font-size:14.5px;}
.nav-burger{
  display:none;
  width:42px;height:42px;flex:0 0 42px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
  font-size:17px;
  align-items:center;justify-content:center;
}

/* ===== 面包屑 ===== */
.crumb-bar{padding:120px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--body);}

/* ===== 页头 ===== */
.page-hero{
  position:relative;
  margin-top:26px;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#0B1220;
  min-height:280px;
  display:flex;
  align-items:center;
}
.page-hero .hero-bg{position:absolute;inset:0;}
.page-hero .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42;}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,20,.95) 0%,rgba(7,11,20,.72) 46%,rgba(122,90,248,.32) 100%);
}
.page-hero .hero-inner{position:relative;z-index:2;padding:52px 48px;max-width:820px;}
.page-hero h1{margin-bottom:16px;}
.page-hero .hero-lead{font-size:17px;color:var(--body);max-width:660px;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;
  background:var(--primary-dim);
  color:var(--primary);
  border:1px solid rgba(45,225,194,.22);
}
.tag.is-amber{background:rgba(255,178,63,.16);color:var(--amber);border-color:rgba(255,178,63,.3);}
.tag.is-violet{background:rgba(122,90,248,.18);color:#B9A8FF;border-color:rgba(122,90,248,.32);}

/* ===== 栏目说明 ===== */
.note-strip{
  margin-top:22px;
  padding:18px 24px;
  border-radius:var(--radius-card);
  background:var(--panel);
  border:1px solid var(--line);
  font-size:15px;
  color:var(--body);
}
.note-strip strong{color:var(--text);}

/* ===== 主区分栏 ===== */
.split{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:32px;
  align-items:start;
  padding-top:64px;
}
.filter-col{
  position:sticky;
  top:104px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 18px;
  box-shadow:var(--shadow-card);
}
.filter-col h2{font-size:16px;letter-spacing:.06em;color:var(--muted);font-weight:600;text-transform:none;margin-bottom:14px;}
.filter-list li+li{margin-top:6px;}
.filter-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--body);
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.filter-list a i{color:var(--muted);font-size:13px;transition:color var(--ease);}
.filter-list a:hover{background:rgba(255,255,255,.05);color:var(--text);}
.filter-list a:hover i{color:var(--primary);}
.filter-list a.is-current{background:var(--primary-dim);color:var(--primary);border-color:rgba(45,225,194,.24);}
.filter-list a.is-current i{color:var(--primary);}
.filter-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.filter-foot a{color:var(--primary);}

.grid-col{min-width:0;}
.col-head{margin-bottom:26px;}
.col-head h2{margin-bottom:8px;}
.col-head p{margin:0;font-size:15px;color:var(--muted);}

/* ===== 卡片网格 ===== */
.sec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.sec-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(45,225,194,.28);}
.sec-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0A101C;}
.sec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.sec-card:hover .thumb img{transform:scale(1.04);}
.sec-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,0) 45%,rgba(7,11,20,.72) 100%);
}
.sec-card .thumb .badge{position:absolute;left:14px;bottom:12px;z-index:2;}
.badge{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(45,225,194,.14);color:var(--primary);
  border:1px solid rgba(45,225,194,.24);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.sec-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.sec-card h3{font-size:19px;margin-bottom:10px;transition:color var(--ease);}
.sec-card:hover h3{color:var(--primary);}
.sec-card .desc{font-size:15px;color:var(--body);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:13.5px;}
.card-foot .go i{transition:transform var(--ease);}
.sec-card:hover .card-foot .go i{transform:translateX(4px);}

/* ===== 验证流程 ===== */
.flow{
  margin-top:64px;
  padding:34px 30px;
  border-radius:var(--radius-card);
  background:linear-gradient(160deg,#101A2C 0%,#0C1424 100%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.flow h2{font-size:24px;margin-bottom:10px;}
.flow > p{font-size:15px;color:var(--muted);margin-bottom:28px;}
.flow-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.flow-step{position:relative;padding-top:18px;}
.flow-step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--primary) 0%,rgba(45,225,194,.12) 100%);
}
.flow-step .num{font-family:Inter,system-ui,sans-serif;font-size:13px;letter-spacing:.14em;color:var(--primary);font-weight:700;}
.flow-step h3{font-size:16.5px;margin:8px 0 8px;}
.flow-step p{font-size:14px;color:var(--muted);margin:0;}

/* ===== 通栏提示带 ===== */
.alert-band{
  margin-top:64px;
  border-radius:var(--radius-card);
  padding:32px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:linear-gradient(120deg,rgba(45,225,194,.14) 0%,rgba(122,90,248,.2) 60%,rgba(18,26,43,.9) 100%);
  border:1px solid rgba(45,225,194,.26);
  flex-wrap:wrap;
}
.alert-band .txt{max-width:660px;}
.alert-band h3{font-size:21px;margin-bottom:8px;}
.alert-band p{font-size:15px;color:#C6D1E2;margin:0;}
.alert-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.footer{
  margin-top:96px;
  padding-top:1px;
  background:linear-gradient(180deg,rgba(9,14,26,.2) 0%,rgba(7,11,20,.95) 100%);
  border-top:1px solid var(--line);
  position:relative;z-index:1;
}
.footer::before{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--primary) 0%,rgba(122,90,248,.6) 42%,rgba(45,225,194,0) 100%);
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;
  padding:64px 0 40px;
}
.footer-brand p{font-size:14.5px;color:var(--muted);margin:16px 0 0;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li+li{margin-top:10px;}
.footer-col a{font-size:14.5px;color:var(--body);}
.footer-note{font-size:14.5px;color:var(--muted);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 34px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:var(--radius-pill);
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--body);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:rgba(45,225,194,.45);transform:translateY(-2px);}

/* ===== 移动端抽屉 ===== */
.drawer-mask{
  position:fixed;inset:0;z-index:130;
  background:rgba(4,7,14,.72);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
body.nav-open .drawer-mask{opacity:1;visibility:visible;}
body.nav-open{overflow:hidden;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .split{grid-template-columns:220px minmax(0,1fr);gap:24px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:26px;}
}
@media (max-width:991px){
  :root{--gap-section:64px;}
  .nav-links{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(360px,86vw);
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:20px;
    padding:88px 26px 40px;
    margin-left:0;
    background:rgba(11,17,31,.94);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform 280ms ease-out;
    z-index:140;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-link{padding:12px 14px;font-size:16px;border-radius:14px;}
  .nav-cta{display:none;}
  .nav-burger{display:flex;margin-left:auto;z-index:150;position:relative;}
  .split{grid-template-columns:1fr;padding-top:48px;}
  .filter-col{position:static;}
  .filter-list{display:flex;flex-wrap:wrap;gap:8px;}
  .filter-list li+li{margin-top:0;}
  .sec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .flow-track{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .page-hero .hero-inner{padding:40px 32px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:767px){
  :root{--gap-section:52px;}
  .container{padding:0 16px;}
  .crumb-bar{padding-top:104px;}
  .sec-grid{grid-template-columns:1fr;}
  .flow-track{grid-template-columns:1fr;}
  .flow{padding:26px 22px;}
  .alert-band{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .alert-actions{width:100%;}
  .alert-actions .btn{width:100%;}
  .page-hero .hero-inner{padding:32px 22px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .footer-top{grid-template-columns:1fr;padding:48px 0 28px;}
  .logo-full{display:none;}
  .logo-short{display:inline;}
  .nav-capsule{padding:8px 10px 8px 14px;}
}
@media (max-width:520px){
  .sec-card .body{padding:18px 18px 20px;}
  .card-foot{flex-direction:column;align-items:flex-start;gap:8px;}
  .note-strip{padding:16px 18px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .sec-card:hover{transform:none;box-shadow:var(--shadow-card);}
  .sec-card:hover .thumb img{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070B14;
  --bg-1:#0D1526;
  --panel:#121A2B;
  --panel-2:#151F33;
  --primary:#2DE1C2;
  --primary-soft:rgba(45,225,194,.12);
  --violet:#7A5AF8;
  --amber:#FFB23F;
  --text:#EAF2FF;
  --text-body:#A9B6CC;
  --text-mute:#6C7B94;
  --border:rgba(255,255,255,.10);
  --border-soft:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(45,225,194,.30);
  --section-y:88px;
  --ease:260ms cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text-body);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(122,90,248,.20), transparent 62%),
    radial-gradient(900px 520px at 8% 6%, rgba(45,225,194,.12), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%, var(--bg-1) 52%, var(--bg-0) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--primary);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.32;letter-spacing:.2px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:2;
}
.section{padding:var(--section-y) 0;position:relative;z-index:2;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:clamp(24px,3.4vw,36px);}
.section-head .section-sub{color:var(--text-mute);font-size:14.5px;margin-top:10px;max-width:640px;}
.link-more{
  color:var(--primary);
  font-size:14.5px;
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(5px);}

/* ============ 导航 ============ */
.nav-capsule{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1240px,92vw);
  z-index:60;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 20px;
  border-radius:999px;
  background:rgba(13,21,38,.62);
  border:1px solid var(--border);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 12px 34px rgba(0,0,0,.34);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.nav-capsule.is-scrolled{
  background:rgba(9,14,26,.94);
  border-color:var(--border-strong);
  box-shadow:0 16px 38px rgba(0,0,0,.55);
}
.nav-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  font-size:17px;
  font-weight:700;
  color:#05201B;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 0 18px rgba(45,225,194,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-full{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.3px;}
.logo-short{display:none;font-size:15px;font-weight:700;color:var(--text);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-link{
  font-size:14.5px;
  color:var(--text-body);
  padding:8px 14px;
  border-radius:999px;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:#06231F;background:var(--primary);font-weight:600;box-shadow:0 0 18px rgba(45,225,194,.28);}
.nav-cta{
  flex:0 0 auto;
  padding:10px 22px !important;
  font-size:14.5px !important;
}
.nav-burger{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  color:var(--text);
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  font-size:17px;
}

/* 抽屉 */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:20px;
  padding:88px 26px 40px;
  background:rgba(7,11,20,.94);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-close{
  position:absolute;
  top:22px;right:22px;
  width:44px;height:44px;
  border-radius:50%;
  color:var(--text);
  background:rgba(255,255,255,.07);
  border:1px solid var(--border);
  font-size:18px;
}
.drawer-link{
  font-size:19px;
  color:var(--text-body);
  padding:12px 4px;
  border-bottom:1px solid var(--border-soft);
}
.drawer-link.is-active{color:var(--primary);font-weight:700;}
.drawer-cta{margin-top:12px;width:100%;justify-content:center;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  color:#05201B;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 10px 30px rgba(45,225,194,.26),0 0 0 1px rgba(45,225,194,.30) inset;
}
.btn-primary:hover{color:#05201B;transform:translateY(-2px);box-shadow:0 16px 38px rgba(45,225,194,.42);}
.btn-ghost{
  color:var(--text);
  border:1px solid var(--border-strong);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:var(--primary);border-color:rgba(45,225,194,.55);transform:translateY(-2px);}
.btn-text{
  color:var(--primary);
  padding:6px 0;
  background:none;
}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover i{transform:translateX(5px);}

/* ============ Hero（分类页窄带） ============ */
.cat-hero{
  position:relative;
  min-height:44vh;
  display:flex;
  align-items:flex-end;
  padding:170px 0 62px;
  overflow:hidden;
  border-bottom:1px solid var(--border-soft);
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center 30%;
  transform:scale(1.02);
}
.cat-hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(760px 420px at 18% 88%, rgba(45,225,194,.22), transparent 66%),
    linear-gradient(180deg, rgba(7,11,20,.80) 0%, rgba(7,11,20,.92) 62%, rgba(7,11,20,.98) 100%);
}
.cat-hero .container{width:100%;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  color:var(--text-mute);
  margin-bottom:18px;
}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--text-body);}
.cat-hero h1{
  font-size:clamp(30px,5vw,52px);
  margin-bottom:16px;
  max-width:900px;
}
.cat-hero .lead{
  max-width:700px;
  font-size:17px;
  color:var(--text-body);
  margin:0;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  font-size:13px;
  border-radius:999px;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(45,225,194,.24);
}
.tag-violet{color:#C4B7FF;background:rgba(122,90,248,.16);border-color:rgba(122,90,248,.32);}
.tag-amber{color:#2A1A00;background:var(--amber);border-color:transparent;font-weight:700;}

/* ============ 兼容性速览 ============ */
.overview{padding-top:72px;}
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-card{
  background:var(--panel);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(45,225,194,.30);box-shadow:var(--shadow-card),var(--glow);}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,34px);
  font-weight:700;
  color:var(--primary);
  letter-spacing:.5px;
  line-height:1.2;
}
.stat-num small{font-size:15px;color:var(--text-mute);margin-left:4px;font-weight:500;}
.stat-label{margin-top:10px;font-size:15px;color:var(--text);font-weight:600;}
.stat-desc{margin-top:8px;font-size:13.5px;color:var(--text-mute);line-height:1.7;}

/* ============ 卡片墙（不等高，标题叠图） ============ */
.wall{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  align-items:start;
}
.wall-card{
  position:relative;
  display:block;
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--panel);
  border:1px solid var(--border-soft);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.wall-card:nth-child(even){margin-top:56px;}
.wall-card:hover{transform:translateY(-4px);border-color:rgba(45,225,194,.30);box-shadow:var(--shadow-card),var(--glow);}
.wall-media{position:relative;width:100%;overflow:hidden;}
.wall-card.is-tall .wall-media{aspect-ratio:4/3;}
.wall-card.is-short .wall-media{aspect-ratio:16/10;}
.wall-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 420ms cubic-bezier(.22,.61,.36,1);
}
.wall-card:hover .wall-media img{transform:scale(1.04);}
.wall-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(7,11,20,.10) 0%, rgba(7,11,20,.62) 52%, rgba(7,11,20,.95) 100%);
}
.wall-overlay{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:28px 26px 24px;
  z-index:2;
}
.wall-overlay .badge-line{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
.wall-overlay h3{
  font-size:clamp(19px,2.1vw,23px);
  margin-bottom:10px;
  color:#fff;
}
.wall-card:hover .wall-overlay h3{color:var(--primary);}
.wall-overlay p{
  font-size:14.5px;
  color:rgba(233,242,255,.78);
  margin:0 0 14px;
  max-width:52ch;
}
.wall-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-mute);
  font-family:var(--font-num);
}
.wall-meta i{color:var(--primary);}

/* ============ 适配速查 ============ */
.fit-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.fit-card{
  background:var(--panel);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-card);
  padding:28px 26px;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.fit-card:hover{transform:translateY(-4px);border-color:rgba(122,90,248,.38);box-shadow:var(--shadow-card),0 0 24px rgba(122,90,248,.24);}
.fit-icon{
  width:46px;height:46px;
  border-radius:14px;
  display:grid;place-items:center;
  font-size:18px;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(45,225,194,.24);
  margin-bottom:18px;
}
.fit-card h3{font-size:19px;margin-bottom:12px;}
.fit-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--text-body);
  margin-bottom:10px;
}
.fit-list li:last-child{margin-bottom:0;}
.fit-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:2px;
  border-radius:2px;
  background:var(--primary);
}

/* ============ 检查清单 ============ */
.check-wrap{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px 26px;
  counter-reset:step;
}
.check-item{
  display:flex;
  gap:18px;
  padding:24px;
  background:var(--panel);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-card);
  transition:transform var(--ease),border-color var(--ease);
}
.check-item:hover{transform:translateY(-4px);border-color:rgba(45,225,194,.28);}
.check-num{
  flex:0 0 auto;
  width:44px;height:44px;
  border-radius:13px;
  display:grid;place-items:center;
  font-family:var(--font-num);
  font-size:17px;
  font-weight:700;
  color:var(--primary);
  background:rgba(45,225,194,.10);
  border:1px solid rgba(45,225,194,.24);
}
.check-item h3{font-size:17px;margin-bottom:8px;}
.check-item p{font-size:14.5px;margin:0;color:var(--text-body);}

/* ============ FAQ ============ */
.faq-block{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item.is-open{border-color:rgba(45,225,194,.34);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 24px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:16px;
  color:var(--primary);
  background:rgba(45,225,194,.10);
  border:1px solid rgba(45,225,194,.24);
  transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(135deg);background:rgba(45,225,194,.20);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms cubic-bezier(.22,.61,.36,1);
}
.faq-a-inner{
  padding:0 24px 24px;
  font-size:15px;
  color:var(--text-body);
  border-top:1px solid var(--border-soft);
  padding-top:18px;
  margin:0 24px 0;
  padding-left:0;
  padding-right:0;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  padding:54px 46px;
  background:linear-gradient(135deg, rgba(45,225,194,.16), rgba(122,90,248,.22));
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow-card);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--violet),transparent);
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px;}
.cta-band p{max-width:560px;margin:0;color:var(--text-body);font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.footer{
  margin-top:40px;
  padding:0 0 34px;
  background:rgba(6,10,18,.72);
  border-top:1px solid var(--border-soft);
  position:relative;
  z-index:2;
}
.footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,225,194,.65),transparent);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 0 44px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;
  color:var(--text-mute);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:.3px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14.5px;color:var(--text-body);}
.footer-note{font-size:14.5px;color:var(--text-mute);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid var(--border-soft);
  font-size:13.5px;
  color:var(--text-mute);
}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:38px;height:38px;
  border-radius:50%;
  display:grid;place-items:center;
  color:var(--text-body);
  background:rgba(255,255,255,.05);
  border:1px solid var(--border-soft);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:rgba(45,225,194,.45);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{gap:2px;}
  .nav-link{padding:8px 11px;font-size:14px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--section-y:66px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-burger{display:grid;place-items:center;margin-left:auto;}
  .logo-full{display:none;}
  .logo-short{display:block;}
  .cat-hero{padding:132px 0 52px;min-height:38vh;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .fit-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{padding:44px 32px;}
}
@media (max-width:767px){
  :root{--section-y:52px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .wall{grid-template-columns:1fr;gap:18px;}
  .wall-card:nth-child(even){margin-top:0;}
  .wall-card.is-tall .wall-media{aspect-ratio:16/11;}
  .wall-card.is-short .wall-media{aspect-ratio:16/11;}
  .wall-overlay{padding:22px 20px 20px;}
  .stat-row{grid-template-columns:1fr;}
  .fit-grid{grid-template-columns:1fr;}
  .check-wrap{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:34px 22px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a-inner{margin:0 18px;padding-top:16px;}
}
@media (max-width:520px){
  .cat-hero{padding:118px 0 44px;}
  .cat-hero h1{font-size:28px;}
  .logo-mark{width:30px;height:30px;font-size:15px;border-radius:10px;}
  .nav-capsule{padding:8px 10px 8px 14px;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .stat-card:hover,.wall-card:hover,.fit-card:hover,.check-item:hover{transform:none;box-shadow:var(--shadow-card);}
  .wall-card:hover .wall-media img{transform:none;}
}

/* roulang page: category4 */
:root{
  --bg-0:#070B14;
  --bg-1:#0D1526;
  --panel:#121A2B;
  --panel-2:#162034;
  --primary:#2DE1C2;
  --primary-dark:#0F8F7C;
  --violet:#7A5AF8;
  --amber:#FFB23F;
  --text:#EAF2FF;
  --text-2:#A9B6CC;
  --text-3:#6C7B94;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.16);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(45,225,194,.30);
  --ease:220ms ease-out;
  --container:1240px;
  --space-block:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text-2);
  background:linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 46%,#0A1120 100%);
  background-attachment:fixed;
  -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(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  opacity:.5;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.3;letter-spacing:.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 导航 ---------- */
.nav-capsule{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1240px,92vw);
  display:flex;
  align-items:center;
  gap:18px;
  padding:9px 12px 9px 16px;
  border-radius:999px;
  background:rgba(13,21,38,.60);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  z-index:120;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.nav-capsule.scrolled{
  background:rgba(8,13,24,.95);
  border-color:var(--line-2);
  box-shadow:0 16px 36px rgba(0,0,0,.55);
}
.nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:34px;height:34px;
  border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  color:#061019;
  font-weight:800;
  font-size:16px;
  box-shadow:0 0 18px rgba(45,225,194,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-full{font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;}
.logo-short{display:none;font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  display:block;
  padding:9px 15px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07);}
.nav-link.is-active{
  color:#05121A;
  font-weight:600;
  background:linear-gradient(135deg,var(--primary),#63EBD4);
  box-shadow:0 0 20px rgba(45,225,194,.35);
}
.nav-cta{
  flex:0 0 auto;
  padding:11px 22px;
  font-size:14.5px;
}
.nav-burger{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--line-2);
  color:var(--text);
  background:rgba(255,255,255,.05);
  place-items:center;
  flex:0 0 auto;
}
.nav-burger:hover{color:var(--primary);border-color:var(--primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:13px 28px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{
  color:#04131A;
  background:linear-gradient(135deg,var(--primary) 0%,var(--violet) 135%);
  box-shadow:0 0 0 1px rgba(45,225,194,.4),0 10px 26px rgba(45,225,194,.24);
}
.btn-primary:hover{
  color:#04131A;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(45,225,194,.6),0 14px 34px rgba(45,225,194,.42),var(--glow);
}
.btn-ghost{
  color:var(--text);
  border-color:var(--line-2);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(45,225,194,.08);}
.btn-text{
  padding:0;
  color:var(--primary);
  font-weight:600;
  background:none;
}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover i{transform:translateX(5px);}
.btn:active{transform:translateY(0);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  padding-top:104px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(255,255,255,.22);}
.crumb .current{color:var(--text-2);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  margin-top:20px;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line);
  min-height:340px;
  display:flex;
  align-items:flex-end;
  background-color:#0A1120;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-card);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(760px 320px at 12% 96%,rgba(45,225,194,.20),transparent 62%),
    linear-gradient(180deg,rgba(7,11,20,.55) 0%,rgba(7,11,20,.88) 60%,rgba(7,11,20,.97) 100%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  padding:44px 44px 40px;
  max-width:820px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  letter-spacing:.4px;
  color:var(--primary);
  background:rgba(45,225,194,.12);
  border:1px solid rgba(45,225,194,.26);
  margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  margin-bottom:16px;
}
.cat-hero .lede{
  font-size:17px;
  color:var(--text-2);
  max-width:640px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  margin-top:30px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-stat .n{
  font-size:24px;
  font-weight:700;
  color:var(--primary);
  line-height:1.2;
}
.hero-stat .t{font-size:13px;color:var(--text-3);}

/* ---------- 分组标签条 ---------- */
.tabbar{
  position:sticky;
  top:82px;
  z-index:60;
  margin:34px 0 0;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(10,16,30,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 12px 30px rgba(0,0,0,.42);
}
.tabbar-inner{
  display:flex;
  align-items:center;
  gap:6px;
  padding:8px 10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.tabbar-inner::-webkit-scrollbar{display:none;}
.tab-item{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.tab-item .idx{
  font-size:12px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.tab-item:hover{color:var(--text);background:rgba(255,255,255,.06);}
.tab-item.is-current{
  color:#05121A;
  font-weight:600;
  background:linear-gradient(135deg,var(--primary),#63EBD4);
}
.tab-item.is-current .idx{color:rgba(5,18,26,.65);}

/* ---------- 版块通用 ---------- */
.section{padding:var(--space-block) 0 0;}
.section:last-of-type{padding-bottom:var(--space-block);}
.section-head{margin-bottom:34px;max-width:760px;}
.section-head h2{font-size:clamp(23px,3vw,32px);margin-bottom:12px;}
.section-head p{color:var(--text-2);}
.section-head .bar{
  display:block;width:56px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--primary),var(--violet));
  margin-bottom:18px;
}
.intro-note{
  margin-top:26px;
  padding:22px 24px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(45,225,194,.06),rgba(122,90,248,.05));
  color:var(--text-2);
  font-size:15.5px;
}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  padding-left:44px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:13px;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,rgba(45,225,194,.55),rgba(122,90,248,.30),rgba(122,90,248,0));
}
.tl-group{
  position:relative;
  padding-bottom:52px;
}
.tl-group:last-child{padding-bottom:0;}
.tl-group::before{
  content:"";
  position:absolute;
  left:-39px;
  top:14px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--bg-0);
  border:2px solid var(--primary);
  box-shadow:0 0 14px rgba(45,225,194,.55);
}
.group-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:14px;
  margin-bottom:20px;
}
.group-head .num{
  font-size:15px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:1px;
  font-variant-numeric:tabular-nums;
}
.group-head h3{font-size:clamp(20px,2.4vw,25px);}
.group-head .group-note{
  flex:1 1 100%;
  font-size:14.5px;
  color:var(--text-3);
}

/* ---------- 宽卡 ---------- */
.wide-card{
  display:grid;
  grid-template-columns:230px 1fr;
  gap:26px;
  padding:22px;
  border-radius:var(--radius-lg);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  margin-bottom:22px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.wide-card:last-child{margin-bottom:0;}
.wide-card:hover{
  transform:translateY(-4px);
  border-color:rgba(45,225,194,.35);
  box-shadow:var(--shadow-card),var(--glow);
}
.wide-card.no-media{grid-template-columns:1fr;}
.wc-media{
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:4/3;
  background:#0B1220;
}
.wc-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 260ms ease-out;
}
.wide-card:hover .wc-media img{transform:scale(1.04);}
.wc-body{display:flex;flex-direction:column;gap:12px;}
.wc-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  color:var(--primary);
  background:rgba(45,225,194,.12);
  border:1px solid rgba(45,225,194,.22);
}
.badge.amber{
  color:#2A1B02;
  background:var(--amber);
  border-color:transparent;
}
.wc-body h4{
  font-size:19px;
  line-height:1.45;
}
.wide-card:hover .wc-body h4{color:var(--primary);}
.wc-body p{font-size:15.5px;color:var(--text-2);}
.wc-steps{
  display:flex;
  flex-direction:column;
  gap:9px;
  margin-top:2px;
}
.wc-steps li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  color:var(--text-2);
}
.wc-steps li::before{
  content:"";
  position:absolute;
  left:4px;
  top:10px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(45,225,194,.6);
}
.wc-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:6px;
}
.tag{
  display:inline-flex;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(45,225,194,.4);background:rgba(45,225,194,.08);}

/* ---------- 自检清单 ---------- */
.checklist{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.check-item{
  display:flex;
  gap:16px;
  padding:20px 22px;
  border-radius:var(--radius-lg);
  background:var(--panel-2);
  border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.check-item:hover{border-color:rgba(45,225,194,.32);transform:translateY(-3px);}
.check-item .mark{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  color:var(--primary);
  background:rgba(45,225,194,.10);
  border:1px solid rgba(45,225,194,.24);
  font-size:14px;
}
.check-item strong{display:block;color:var(--text);font-size:16px;margin-bottom:6px;}
.check-item span{font-size:14.5px;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  border:1px solid rgba(45,225,194,.28);
  background:
    radial-gradient(620px 260px at 8% 0%,rgba(45,225,194,.20),transparent 62%),
    radial-gradient(520px 300px at 92% 100%,rgba(122,90,248,.24),transparent 66%),
    var(--panel);
  padding:48px 44px;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px;}
.cta-band p{max-width:640px;color:var(--text-2);margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:var(--space-block);
  border-top:1px solid var(--line);
  background:rgba(6,10,19,.72);
  padding:60px 0 28px;
  position:relative;
  z-index:1;
}
.footer::before{
  content:"";
  position:absolute;
  top:-1px;left:50%;
  transform:translateX(-50%);
  width:min(1240px,92vw);
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,225,194,.6),transparent);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:38px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;
  color:var(--text-3);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--text);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-note{
  font-size:14.5px;
  color:var(--text-2);
  transition:color var(--ease);
}
.footer-col a:hover{color:var(--primary);}
.footer-note{color:var(--text-3);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:24px;
  font-size:13.5px;
  color:var(--text-3);
}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:36px;height:36px;
  border-radius:50%;
  display:grid;place-items:center;
  color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:var(--primary);background:rgba(45,225,194,.10);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--space-block:76px;}
  .nav-link{padding:9px 12px;font-size:14px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:991px){
  :root{--space-block:60px;}
  .nav-capsule{gap:12px;padding:8px 10px 8px 14px;}
  .nav-links{
    position:fixed;
    left:4vw;
    right:4vw;
    top:80px;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    padding:22px;
    border-radius:24px;
    background:rgba(8,13,24,.96);
    border:1px solid var(--line-2);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:0 24px 50px rgba(0,0,0,.6);
    display:none;
    margin-left:0;
  }
  .nav-capsule.open .nav-links{display:flex;}
  .nav-link{padding:13px 16px;font-size:15.5px;border-radius:14px;}
  .nav-burger{display:grid;margin-left:auto;}
  .nav-cta{display:none;}
  body.nav-open{overflow:hidden;}
  .cat-hero-inner{padding:32px 26px 30px;}
  .timeline{padding-left:32px;}
  .timeline::before{left:8px;}
  .tl-group::before{left:-31px;width:12px;height:12px;}
  .wide-card{grid-template-columns:1fr;}
  .wc-media{aspect-ratio:16/9;}
  .checklist{grid-template-columns:1fr;}
  .cta-band{padding:36px 26px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .crumb{padding-top:96px;}
  .logo-full{display:none;}
  .logo-short{display:inline-flex;}
  .cat-hero{margin-top:14px;border-radius:18px;min-height:300px;}
  .cat-hero-inner{padding:26px 20px 26px;}
  .hero-stats{gap:22px;}
  .tabbar{top:76px;border-radius:18px;}
  .tabbar-inner{padding:7px 8px;}
  .timeline{padding-left:24px;}
  .timeline::before{left:6px;}
  .tl-group::before{left:-24px;top:16px;width:10px;height:10px;}
  .wide-card{padding:16px;gap:18px;}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn{width:100%;}
}
@media (min-width:768px) and (max-width:991px){
  .wide-card{grid-template-columns:200px 1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .wide-card:hover,.check-item:hover{transform:none;box-shadow:var(--shadow-card);}
  .wide-card:hover .wc-media img{transform:none;}
}