/* roulang page: index */
:root{
  --ink-950:#0B0D12;
  --ink-900:#08090D;
  --card:#14171F;
  --card-2:#1C2029;
  --line:#262B36;
  --line-2:#343A47;
  --brand:#B7FF3C;
  --brand-hover:#C9FF66;
  --brand-active:#93E01F;
  --brand-soft:rgba(183,255,60,.12);
  --accent:#FF4D6D;
  --text:#E6E9EF;
  --text-2:#A2A9B8;
  --text-3:#5A6273;
  --ok:#38D39F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-hover:0 20px 44px -22px rgba(183,255,60,.28);
  --bs-body-bg:var(--ink-950);
  --bs-body-color:var(--text);
  --bs-border-radius:14px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink-950);
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:64px 64px;
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .15s ease,border-color .15s ease,background-color .15s ease}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}
.container-wide{max-width:1320px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{margin-bottom:40px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);display:block}
h1{font-size:clamp(32px,4.6vw,54px);font-weight:800;line-height:1.14;letter-spacing:.01em}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.28}
h3{font-size:20px;font-weight:600;line-height:1.42}
.lead{color:var(--text-2);font-size:16px;max-width:68ch}
.muted{color:var(--text-2)}
.micro{font-size:12px;line-height:1.6;letter-spacing:.06em;color:var(--text-3)}
.divider-skew{height:8px;background:var(--brand);opacity:.9}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,13,18,.86);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(8,9,13,.96);box-shadow:0 10px 30px -18px rgba(0,0,0,.95)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:26px;height:26px;flex:0 0 26px;background:var(--brand);
  clip-path:polygon(22% 0,100% 0,100% 78%,78% 100%,0 100%,0 22%);
  position:relative;
}
.brand-mark::after{content:"";position:absolute;inset:8px;background:var(--ink-950)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:15px;font-weight:700;letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.12em}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand)}
.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:300px;height:40px;
  padding:0 12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease;
}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,255,60,.18);background:var(--card-2)}
.kbd{font-size:11px;color:var(--text-3);border:1px solid var(--line);border-radius:6px;padding:1px 6px;letter-spacing:.04em}
.ghost-link{font-size:15px;color:var(--text-2)}
.ghost-link:hover{color:var(--brand)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--brand);color:#0B0D12;font-size:15px;font-weight:700;
  transition:transform .15s ease,background-color .15s ease,filter .15s ease;
}
.btn-main:hover{background:var(--brand-hover);color:#0B0D12;transform:translateY(-1px)}
.btn-main:active{transform:translateY(0);background:var(--brand-active)}
.btn-nav{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid var(--line-2);background:transparent;color:var(--text);
  font-size:15px;font-weight:600;transition:border-color .15s ease,color .15s ease,transform .15s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--brand);font-weight:600}
.link-arrow i{transition:transform .15s ease}
.link-arrow:hover i{transform:translateX(3px)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--card);border-radius:var(--r-sm);color:var(--text)}
.nav-drawer{display:none;border-top:1px solid var(--line);background:var(--ink-900);padding:18px 20px 26px}
.nav-drawer.open{display:block}
.nav-drawer .drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-pill);margin-bottom:16px}
.nav-drawer .drawer-search input{flex:1;background:none;border:0;outline:none;font-size:14px}
.nav-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.nav-drawer nav a{padding:12px 2px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2)}
.nav-drawer nav a.active{color:var(--brand)}
.nav-drawer .btn-main,.nav-drawer .btn-ghost{width:100%;margin-top:10px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:84px 0 0;
  background-image:linear-gradient(rgba(8,9,13,.72),rgba(8,9,13,.92)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);border:1px solid rgba(183,255,60,.3);
  border-radius:var(--r-pill);padding:5px 12px;margin-bottom:20px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(56,211,159,.16)}
.hero-sub{color:var(--text-2);font-size:17px;max-width:52ch;margin-top:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-list{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.trust-list li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.trust-list i{color:var(--brand);font-size:13px}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  aspect-ratio:4/3;
  background-image:linear-gradient(rgba(8,9,13,.55),rgba(8,9,13,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:24px;display:flex;flex-direction:column;justify-content:space-between;
}
.hero-visual .panel-top{display:flex;align-items:center;justify-content:space-between}
.hero-visual .panel-top span{font-size:12px;letter-spacing:.06em;color:var(--text-2)}
.panel-card{
  background:rgba(20,23,31,.92);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;display:flex;flex-direction:column;gap:12px;
}
.panel-card .rowline{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2)}
.panel-card .rowline strong{color:var(--text);font-weight:600;font-size:14px}
.panel-card .bar{height:6px;border-radius:var(--r-pill);background:var(--line);overflow:hidden}
.panel-card .bar span{display:block;height:100%;background:var(--brand);width:82%}
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);margin-top:64px;
}
.stat-bar .stat{padding:26px 22px;border-right:1px solid var(--line)}
.stat-bar .stat:first-child{padding-left:0}
.stat-bar .stat:last-child{border-right:0}
.stat-bar .num{font-size:32px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-bar .lbl{font-size:13px;color:var(--text-2);margin-top:6px}

/* ---------- cards ---------- */
.card-x{
  position:relative;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.card-x::before{content:"";position:absolute;left:0;top:22px;width:4px;height:22px;background:var(--brand);border-radius:0 4px 4px 0}
.card-x:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.card-x .icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);border:1px solid rgba(183,255,60,.28);color:var(--brand);font-size:17px;margin-bottom:16px;
}
.card-x h3{margin-bottom:10px}
.card-x p{color:var(--text-2);font-size:15px}
.card-x .list-lite{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.card-x .list-lite a{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:8px}
.card-x .list-lite a::before{content:"";width:5px;height:5px;background:var(--brand);transform:rotate(45deg);flex:0 0 5px}
.card-x .list-lite a:hover{color:var(--brand)}
.feature-card{display:grid;grid-template-columns:1fr;gap:0;padding:0;overflow:hidden}
.feature-card .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover}
.feature-card .body{padding:24px}
.badge-soft{
  display:inline-block;font-size:12px;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);border:1px solid rgba(183,255,60,.3);
  border-radius:var(--r-pill);padding:3px 10px;
}
.badge-accent{color:var(--accent);background:rgba(255,77,109,.12);border-color:rgba(255,77,109,.32)}
.row-cards{display:grid;gap:24px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.step{position:relative;padding:0 28px 0 0}
.step + .step{padding-left:28px;border-left:1px dashed var(--line-2)}
.step .watermark{font-size:52px;font-weight:800;color:rgba(183,255,60,.16);line-height:1;font-variant-numeric:tabular-nums}
.step .chip{
  display:inline-flex;align-items:center;gap:8px;margin:14px 0 12px;
  font-size:12px;color:var(--text-2);letter-spacing:.06em;
}
.step .chip i{color:var(--brand)}
.step h3{margin-bottom:8px}
.step p{color:var(--text-2);font-size:15px;margin-bottom:14px}

/* ---------- case rows ---------- */
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:32px 0}
.case-row + .case-row{border-top:1px solid var(--line)}
.case-row .fig{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.case-row .fig img{width:100%;height:100%;object-fit:cover}
.case-row.reverse .fig{order:2}
.case-row h3{margin-bottom:12px}
.case-row .conclusion{color:var(--text);font-size:16px;margin-bottom:18px}
.metrics{display:flex;gap:36px;flex-wrap:wrap}
.metrics .m .v{font-size:24px;font-weight:800;color:var(--brand);line-height:1.2}
.metrics .m .k{font-size:13px;color:var(--text-2)}

/* ---------- faq ---------- */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--text-3);line-height:1;transition:transform .18s ease,color .18s ease;
}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{content:"−";color:var(--brand);transform:rotate(180deg)}
.faq-item .answer{padding:0 0 20px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:60ch}
.side-card{
  position:sticky;top:88px;
  background:var(--card-2);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
}
.side-card h3{font-size:18px;margin-bottom:10px}
.side-card p{color:var(--text-2);font-size:14px;margin-bottom:18px}
.side-card .btn-ghost{width:100%;height:44px;font-size:14px}

/* ---------- posts (cms) ---------- */
.post-feature{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;height:100%;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.post-feature:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.post-feature .post-thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.post-feature .post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-feature:hover .post-thumb img{transform:scale(1.03)}
.post-feature .post-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-feature h3{font-size:20px;line-height:1.42}
.post-feature h3 a:hover{color:var(--brand)}
.post-feature p{color:var(--text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.06em;color:var(--text-3);margin-top:auto}
.post-meta .sep{width:1px;height:11px;background:var(--line-2)}
.post-mini-list{display:flex;flex-direction:column;gap:16px;height:100%}
.post-mini{
  display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:14px;
  transition:border-color .18s ease,transform .18s ease;
}
.post-mini:hover{border-color:var(--brand);transform:translateY(-2px)}
.post-mini .mini-thumb{width:104px;aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line)}
.post-mini .mini-thumb img{width:100%;height:100%;object-fit:cover}
.post-mini h3{font-size:16px;line-height:1.45;margin-bottom:6px}
.post-mini h3 a:hover{color:var(--brand)}
.empty-state{
  border:1px dashed var(--line-2);border-radius:var(--r-md);padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state i{font-size:40px;color:rgba(183,255,60,.4)}
.empty-state p{font-size:15px;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(140deg,#12151C 0%,#0B0D12 60%);
  border:1px solid var(--brand);border-radius:var(--r-lg);
  padding:52px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--text-2);max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-note{margin-top:22px;display:flex;gap:22px;flex-wrap:wrap}
.cta-note span{font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:8px}
.cta-note i{color:var(--brand);font-size:13px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.site-footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer p.f-desc{color:var(--text-2);font-size:14px;max-width:34ch}
.f-title{font-size:13px;letter-spacing:.12em;color:var(--brand);margin-bottom:16px;font-weight:700}
.f-links{display:flex;flex-direction:column;gap:10px}
.f-links a{font-size:14px;color:var(--text-2)}
.f-links a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-search{width:200px}
  .main-nav{gap:18px}
  .section{padding:76px 0}
}
@media (max-width:991px){
  .main-nav,.nav-search,.ghost-link{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .btn-nav{display:none}
  .section{padding:64px 0}
  .hero{padding-top:56px}
  .hero-visual{margin-top:36px}
  .stat-bar{grid-template-columns:repeat(2,1fr);margin-top:48px}
  .stat-bar .stat{padding:20px 16px;border-bottom:1px solid var(--line)}
  .stat-bar .stat:nth-child(2n){border-right:0}
  .stat-bar .stat:first-child{padding-left:16px}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 26px}
  .step + .step{padding-left:0;padding-top:26px;border-left:0;border-top:1px dashed var(--line-2)}
  .case-row{grid-template-columns:1fr;gap:22px}
  .case-row.reverse .fig{order:0}
  .side-card{position:static;margin-top:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:52px 0}
  .hero{padding-top:44px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .trust-list{gap:14px}
  .post-mini{grid-template-columns:84px 1fr}
  .post-mini .mini-thumb{width:84px}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px;padding-top:44px}
}
@media (max-width:519px){
  .stat-bar{grid-template-columns:1fr}
  .stat-bar .stat{border-right:0}
  .brand-main{font-size:14px}
  .post-feature .post-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .card-x:hover,.post-feature:hover,.post-mini:hover,.btn-main:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: article */
:root{
  --ink-950:#0B0D12;
  --ink-900:#08090D;
  --surface:#14171F;
  --surface-2:#1C2029;
  --line:#262B36;
  --line-soft:#1E222B;
  --brand:#B7FF3C;
  --brand-hover:#C9FF66;
  --brand-active:#93E01F;
  --brand-soft:rgba(183,255,60,.12);
  --accent:#FF4D6D;
  --text:#E6E9EF;
  --text-2:#A2A9B8;
  --text-3:#5A6273;
  --ok:#38D39F;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-hover:0 20px 44px -22px rgba(183,255,60,.28);
  --ease:150ms ease;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-bg:var(--ink-950);
  --bs-body-color:var(--text);
  --bs-border-color:var(--line);
  --bs-link-color:var(--text);
  --bs-link-hover-color:var(--brand);
  --bs-primary:var(--brand);
  --bs-primary-rgb:183,255,60;
  --bs-border-radius:14px;
  --bs-font-sans-serif:var(--font);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background-color:var(--ink-950);
  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;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),opacity var(--ease);}
a:hover{color:var(--brand);}
button,input{font-family:inherit;}
ul,ol{margin:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,13,18,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{background:rgba(8,9,13,.96);box-shadow:0 12px 28px -20px rgba(0,0,0,1);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:64px;}
.brand{display:flex;align-items:center;gap:11px;flex:none;}
.brand-mark{
  width:30px;height:30px;flex:none;border-radius:8px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-active) 100%);
  clip-path:polygon(0 0,74% 0,100% 26%,100% 100%,0 100%);
  box-shadow:0 0 0 1px rgba(183,255,60,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--text-3);}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.main-nav .nav-link{
  position:relative;padding:6px 0;font-size:15px;color:var(--text-2);
  background:none;border:0;border-radius:0;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav .nav-link:hover{color:var(--text);}
.main-nav .nav-link:hover::after{transform:scaleX(1);}
.main-nav .nav-link.active{color:var(--text);}
.main-nav .nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.command-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:300px;height:40px;padding:0 10px 0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.command-search svg{width:16px;height:16px;flex:none;stroke:var(--text-3);fill:none;stroke-width:1.8;}
.command-search input{
  flex:1;min-width:0;background:none;border:0;color:var(--text);font-size:14px;outline:none;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  flex:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;
  color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;
}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,255,60,.18);}
.ghost-link{font-size:15px;color:var(--text-2);padding:6px 4px;border-radius:var(--r-sm);}
.ghost-link:hover{color:var(--brand);}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--brand);color:#0B0D12;font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease);
}
.btn-neon:hover{background:var(--brand-hover);color:#0B0D12;transform:translateY(-1px);box-shadow:0 10px 26px -14px rgba(183,255,60,.6);}
.btn-neon:active{background:var(--brand-active);transform:translateY(0);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  background:transparent;border:1px solid var(--line);padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;}
.nav-toggle:hover{border-color:var(--brand);}
.nav-toggle:hover span{background:var(--brand);}

/* Mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:1200;padding:76px 20px 32px;
  background:rgba(8,9,13,.97);
  display:flex;flex-direction:column;gap:4px;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.mobile-drawer.open{opacity:1;visibility:visible;}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin-bottom:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);}
.drawer-search input{flex:1;background:none;border:0;outline:none;color:var(--text);font-size:15px;}
.drawer-link{padding:14px 4px;font-size:17px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line-soft);}
.drawer-link.active,.drawer-link:hover{color:var(--brand);}
.drawer-cta{margin-top:22px;height:48px;width:100%;}
.drawer-note{margin-top:auto;font-size:13px;color:var(--text-3);}

/* ---------- Breadcrumb & article head ---------- */
.article-hero{padding:32px 0 8px;}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--text-3);text-transform:uppercase;}
.breadcrumb-nav a{color:var(--text-2);}
.breadcrumb-nav a:hover{color:var(--brand);}
.breadcrumb-nav .sep{color:var(--text-3);}
.breadcrumb-nav .current{color:var(--brand);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:44vw;}
.article-title{
  margin:20px 0 0;font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.16;letter-spacing:.01em;
  max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:12px;letter-spacing:.06em;color:var(--text-3);}
.badge-neon{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);
  border:1px solid rgba(183,255,60,.3);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);}
.meta-item{color:var(--text-2);}

/* ---------- Layout ---------- */
.article-section{padding:40px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;justify-items:center;}
.article-main{width:100%;max-width:820px;}
.article-side{display:none;width:280px;}

/* ---------- Article body ---------- */
.article-body{font-size:16px;line-height:1.82;color:#C9CFDA;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;max-width:68ch;}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:14px;
  font-size:clamp(20px,2.1vw,26px);font-weight:700;line-height:1.35;color:var(--text);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:1em;border-radius:2px;background:var(--brand);}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:600;color:var(--text);}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--text);}
.article-body a{color:var(--brand);border-bottom:1px dashed rgba(183,255,60,.5);}
.article-body a:hover{color:var(--brand-hover);border-bottom-color:var(--brand-hover);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body li{margin-bottom:8px;}
.article-body ul>li::marker{color:var(--brand);}
.article-body ol>li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:rgba(183,255,60,.06);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);
}
.article-body img{margin:24px auto;border-radius:var(--r-md);border:1px solid var(--line);}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th{
  background:rgba(255,255,255,.04);color:var(--text);font-size:12px;letter-spacing:.06em;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-2);}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;
  background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;color:var(--text);
}
.article-body hr{margin:32px 0;border:0;height:1px;background:var(--line);}

/* ---------- Empty state ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;
  padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--surface);
}
.empty-state svg{width:64px;height:64px;stroke:rgba(183,255,60,.35);fill:none;stroke-width:1.4;}
.empty-state p{font-size:15px;color:var(--text-2);}

/* ---------- Buttons ---------- */
.btn-ghost-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  background:transparent;border:1px solid #343A47;color:var(--text);font-size:15px;font-weight:600;
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost-neon:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost-neon:active{transform:translateY(0);color:var(--brand-active);border-color:var(--brand-active);}
.btn-solid-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--brand);color:#0B0D12;font-size:15px;font-weight:700;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-solid-neon:hover{background:var(--brand-hover);color:#0B0D12;transform:translateY(-1px);box-shadow:0 10px 26px -14px rgba(183,255,60,.6);}
.btn-solid-neon:active{background:var(--brand-active);transform:translateY(0);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--brand);}
.text-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;transition:transform var(--ease);}
.text-link:hover svg{transform:translateX(3px);}

/* ---------- Prev / Next ---------- */
.pager-section{padding:0 0 56px;}
.pager-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.pager-card{
  display:block;padding:22px 24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-card);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.pager-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.pager-label{font-size:12px;letter-spacing:.06em;color:var(--text-3);}
.pager-title{margin-top:8px;font-size:17px;font-weight:600;line-height:1.5;color:var(--text);}
.pager-card:hover .pager-title{color:var(--brand);}

/* ---------- Related ---------- */
.related-section{padding:0 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;}
.section-head p{margin-top:10px;font-size:14px;color:var(--text-2);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-card);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.rel-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{padding:18px 20px 24px;}
.rel-body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--text);}
.rel-body p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2);}
.rel-card:hover .rel-body h3{color:var(--brand);}

/* ---------- Side ---------- */
.side-card{
  padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
}
.side-card + .side-card{margin-top:16px;}
.side-title{font-size:13px;letter-spacing:.1em;color:var(--brand);margin-bottom:14px;}
.side-card ul{list-style:none;padding:0;margin:0;}
.side-card li{margin-bottom:10px;}
.side-card li a{font-size:14px;line-height:1.6;color:var(--text-2);display:block;}
.side-card li a:hover{color:var(--brand);}
.side-note{font-size:14px;line-height:1.7;color:var(--text-2);}

/* ---------- Slash divider ---------- */
.slash-divider{height:8px;background:var(--brand);clip-path:polygon(0 0,100% 0,calc(100% - 22px) 100%,0 100%);margin:0;}

/* ---------- CTA ---------- */
.cta-section{padding:72px 0;}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:48px;border-radius:var(--r-lg);background:var(--ink-900);
  border:1px solid var(--brand);box-shadow:0 24px 60px -40px rgba(183,255,60,.5);
}
.cta-box h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.28;}
.cta-box p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:52ch;}
.cta-buttons{display:flex;gap:12px;flex-wrap:wrap;}
.cta-points{margin-top:18px;display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.cta-points span{display:inline-flex;align-items:center;gap:6px;}
.cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.f-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.f-brand .brand-mark{width:26px;height:26px;}
.brand-text .brand-main{font-size:15px;}
.f-desc{font-size:14px;line-height:1.8;color:var(--text-2);max-width:34ch;}
.f-title{font-size:13px;letter-spacing:.1em;color:var(--brand);margin-bottom:16px;}
.f-links{display:flex;flex-direction:column;gap:11px;}
.f-links a{font-size:14px;color:var(--text-2);}
.f-links a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,820px) 280px;justify-items:stretch;}
  .article-side{display:block;position:sticky;top:88px;align-self:start;}
}
@media (max-width:1199px){
  .command-search{width:220px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .command-search{display:none;}
  .ghost-link{display:none;}
  .header-actions .btn-neon{display:none;}
  .nav-toggle{display:flex;}
  .brand-sub{display:none;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-box{padding:36px;}
}
@media (max-width:767px){
  .article-hero{padding:24px 0 0;}
  .article-title{max-width:none;}
  .breadcrumb-nav .current{max-width:38vw;}
  .article-section{padding:28px 0 56px;}
  .rel-grid{grid-template-columns:1fr;}
  .pager-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-box{padding:28px 22px;}
  .cta-buttons{width:100%;}
  .cta-buttons .btn-solid-neon,.cta-buttons .btn-ghost-neon{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink-950:#0B0D12;
  --ink-900:#08090D;
  --surface:#14171F;
  --surface-2:#1C2029;
  --line:#262B36;
  --line-strong:#343A47;
  --brand:#B7FF3C;
  --brand-hover:#C9FF66;
  --brand-press:#93E01F;
  --brand-soft:rgba(183,255,60,.12);
  --brand-line:rgba(183,255,60,.30);
  --accent:#FF4D6D;
  --text:#E6E9EF;
  --text-2:#A2A9B8;
  --text-3:#5A6273;
  --ok:#38D39F;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-card-hover:0 20px 44px -22px rgba(183,255,60,.28);
  --t:150ms ease;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  padding-top:64px;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.035;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.container-wide{max-width:1320px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:64px;
  background:rgba(11,13,18,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:background var(--t),box-shadow var(--t);
}
.site-header.scrolled{
  background:rgba(8,9,13,.96);
  box-shadow:0 12px 28px -20px rgba(0,0,0,1);
}
.header-inner{
  height:64px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border-radius:7px;
  background:linear-gradient(135deg,var(--brand) 0 55%,var(--brand-press) 55% 100%);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
  box-shadow:0 0 0 1px rgba(183,255,60,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:15px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.nav-link:hover{color:var(--text);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.cmd-search{
  position:relative;display:flex;align-items:center;
  width:300px;height:40px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 12px 0 14px;transition:border-color var(--t),box-shadow var(--t);
}
.cmd-search i{color:var(--text-3);font-size:13px;}
.cmd-search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--text);
  font-size:14px;padding:0 10px;font-family:inherit;
}
.cmd-search input::placeholder{color:var(--text-3);}
.cmd-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,255,60,.18);}
.kbd{
  font-size:11px;color:var(--text-3);border:1px solid var(--line-strong);
  border-radius:6px;padding:2px 6px;letter-spacing:.04em;white-space:nowrap;
}
.ghost-link{font-size:15px;color:var(--text-2);}
.ghost-link:hover{color:var(--brand);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--brand);color:#0B0D12;font-size:15px;font-weight:700;
  border:0;cursor:pointer;transition:transform var(--t),background var(--t),box-shadow var(--t);
}
.btn-brand:hover{background:var(--brand-hover);color:#0B0D12;transform:translateY(-1px);}
.btn-brand:active{background:var(--brand-press);transform:translateY(0);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:transparent;border:1px solid var(--line-strong);color:var(--text);
  cursor:pointer;font-size:16px;line-height:1;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,4,7,.7);z-index:1090;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:1100;
  background:var(--ink-900);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 200ms ease;
  padding:22px 20px 32px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{background:transparent;border:1px solid var(--line-strong);color:var(--text);width:36px;height:36px;border-radius:10px;cursor:pointer;}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:20px;
}
.drawer-search input{background:transparent;border:0;outline:none;color:var(--text);font-size:14px;width:100%;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  padding:12px 14px;border-radius:var(--r-sm);font-size:16px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--surface);color:var(--text);}
.drawer-nav a.active{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand);}
.drawer .btn-brand{width:100%;height:48px;}

/* ---------- Buttons ---------- */
.btn-primary-x{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--brand);color:#0B0D12;font-size:16px;font-weight:700;border:0;cursor:pointer;
  transition:transform var(--t),background var(--t),box-shadow var(--t);
}
.btn-primary-x:hover{background:var(--brand-hover);color:#0B0D12;transform:translateY(-1px);box-shadow:0 14px 30px -18px rgba(183,255,60,.7);}
.btn-primary-x:active{background:var(--brand-press);transform:translateY(0);}
.btn-ghost-x{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line-strong);color:var(--text);
  font-size:16px;font-weight:600;cursor:pointer;transition:border-color var(--t),color var(--t),transform var(--t);
}
.btn-ghost-x:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost-x:active{transform:translateY(0);}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--brand);font-weight:600;}
.text-link i{transition:transform var(--t);}
.text-link:hover i{transform:translateX(3px);}

/* ---------- Badges ---------- */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand);
}
.badge-hot{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,77,109,.12);border:1px solid rgba(255,77,109,.34);color:#FF8A9E;
}
.micro{font-size:12px;letter-spacing:.06em;color:var(--text-3);}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,13,18,.94) 0%,rgba(11,13,18,.82) 48%,rgba(11,13,18,.72) 100%);
}
.page-head .container{position:relative;z-index:2;}
.page-head-inner{padding:44px 0 52px;max-width:820px;}
.breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb-x a{color:var(--text-3);}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x .sep{color:var(--line-strong);}
.breadcrumb-x .cur{color:var(--brand);}
h1.page-title{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.14;letter-spacing:.01em;
  margin:14px 0 14px;
}
.page-lead{font-size:16px;color:var(--text-2);max-width:640px;}
.head-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}

/* ---------- Status strip ---------- */
.status-strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--ink-900);
}
.status-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
}
.status-item{
  padding:20px 22px;border-right:1px solid var(--line);
}
.status-item:last-child{border-right:0;}
.status-num{font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.status-label{font-size:13px;color:var(--text-2);margin-top:4px;}
.status-sub{font-size:12px;color:var(--text-3);letter-spacing:.04em;}

/* ---------- Sections ---------- */
.section{padding:72px 0;position:relative;}
.section-alt{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:38px;}
.sec-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
h2.sec-title{font-size:clamp(23px,2.5vw,32px);font-weight:700;line-height:1.28;margin:12px 0 10px;}
.sec-desc{font-size:15px;color:var(--text-2);max-width:68ch;}
.slant-divider{
  height:8px;background:var(--brand);transform:skewY(-.35deg);
}

/* ---------- Link matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.matrix-card{
  position:relative;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 26px 22px;box-shadow:var(--shadow-card);
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.matrix-card::before{
  content:"";position:absolute;top:0;left:26px;width:34px;height:4px;border-radius:0 0 4px 4px;background:var(--brand);
}
.matrix-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-card-hover);}
.matrix-card.tall{grid-row:span 1;}
.mc-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.mc-icon{
  width:38px;height:38px;flex:0 0 auto;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand);font-size:15px;
}
.mc-title{font-size:19px;font-weight:600;line-height:1.42;}
.mc-note{font-size:13px;color:var(--text-3);margin:6px 0 14px;}
.link-list{display:flex;flex-direction:column;gap:2px;}
.link-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--r-sm);font-size:15px;color:var(--text-2);
  border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t);
}
.link-list a i{font-size:11px;color:var(--brand);opacity:.9;}
.link-list a .arrow{margin-left:auto;font-size:11px;color:var(--text-3);transition:transform var(--t),color var(--t);}
.link-list a:hover{background:var(--surface-2);border-color:var(--line);color:var(--text);}
.link-list a:hover .arrow{transform:translateX(3px);color:var(--brand);}
.mc-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);}

/* ---------- Status table ---------- */
.status-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
}
.sp-row{
  display:grid;grid-template-columns:1.3fr 1fr 1.6fr .9fr;gap:16px;align-items:center;
  padding:16px 22px;border-bottom:1px solid var(--line);
}
.sp-row:last-child{border-bottom:0;}
.sp-row.sp-head{background:var(--surface-2);font-size:12px;letter-spacing:.06em;color:var(--text-3);padding:12px 22px;}
.sp-name{font-size:15px;font-weight:600;}
.sp-desc{font-size:14px;color:var(--text-2);}
.sp-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.dot{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(56,211,159,.16);}
.dot.warn::before{background:var(--warn);box-shadow:0 0 0 3px rgba(255,176,32,.16);}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:3/2;box-shadow:var(--shadow-card);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,18,.15) 0%,rgba(11,13,18,.62) 100%);
}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);}
.check-list li i{color:var(--brand);margin-top:5px;font-size:13px;}
.check-list li strong{color:var(--text);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1.6fr .9fr;gap:32px;align-items:start;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .fx{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform 180ms ease,color var(--t),border-color var(--t);
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .fx{transform:rotate(180deg);border-color:var(--brand-line);color:var(--brand);}
.faq-body{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:68ch;}
.faq-aside{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow-card);
  position:sticky;top:92px;
}
.faq-aside h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.faq-aside p{font-size:14px;color:var(--text-2);margin-bottom:18px;}

/* ---------- Related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:10px;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.rel-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-card-hover);}
.rel-card h3{font-size:19px;font-weight:600;line-height:1.42;}
.rel-card p{font-size:14px;color:var(--text-2);}
.rel-card .text-link{margin-top:auto;}
.rel-card.current{border-color:var(--brand-line);background:linear-gradient(180deg,rgba(183,255,60,.07),rgba(183,255,60,0));}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);border:1px solid var(--brand-line);border-radius:var(--r-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;}
.cta-band p{font-size:15px;color:var(--text-2);margin-top:10px;max-width:60ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
.cta-trust{display:flex;gap:20px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:var(--text-3);}
.cta-trust span{display:inline-flex;align-items:center;gap:7px;}
.cta-trust i{color:var(--brand);font-size:12px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:56px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.f-desc{font-size:14px;color:var(--text-2);max-width:38ch;}
.f-title{font-size:13px;letter-spacing:.1em;color:var(--brand);margin-bottom:16px;font-weight:700;}
.f-links{display:flex;flex-direction:column;gap:10px;}
.f-links a{font-size:14px;color:var(--text-2);}
.f-links a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .cmd-search{width:220px;}
  .main-nav{gap:20px;}
  .split{gap:32px;}
}
@media (max-width:991.98px){
  .main-nav,.cmd-search,.ghost-link{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .status-grid{grid-template-columns:repeat(2,1fr);}
  .status-item:nth-child(2){border-right:0;}
  .status-item:nth-child(1),.status-item:nth-child(2){border-bottom:1px solid var(--line);}
  .matrix{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .sp-row{grid-template-columns:1fr 1fr;row-gap:8px;}
  .sp-row.sp-head{display:none;}
}
@media (max-width:767.98px){
  body{padding-top:56px;}
  .site-header,.header-inner{height:56px;}
  .section{padding:48px 0;}
  .page-head-inner{padding:32px 0 38px;}
  .head-actions .btn-primary-x,.head-actions .btn-ghost-x{width:100%;}
  .mc-foot .text-link{font-size:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-primary-x,.cta-actions .btn-ghost-x{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sec-head.row-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .status-grid{grid-template-columns:1fr;}
  .status-item{border-right:0;border-bottom:1px solid var(--line);}
  .status-item:last-child{border-bottom:0;}
  .matrix-card{padding:22px 18px 18px;}
  .matrix-card::before{left:18px;}
  .sp-row{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink-950:#0B0D12;
  --ink-900:#08090D;
  --surface:#14171F;
  --surface-2:#1C2029;
  --line:#262B36;
  --line-2:#343A47;
  --brand:#B7FF3C;
  --brand-hover:#C9FF66;
  --brand-active:#93E01F;
  --brand-weak:rgba(183,255,60,.12);
  --accent:#FF4D6D;
  --text:#E6E9EF;
  --text-2:#A2A9B8;
  --text-3:#5A6273;
  --ok:#38D39F;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-brand:0 20px 44px -22px rgba(183,255,60,.28);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Consolas,monospace;
  --bs-gutter-x:1.5rem;
  --bs-gutter-y:1.5rem;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -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,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:72px 72px;
  opacity:.03;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .15s ease,border-color .15s ease,background-color .15s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
main{position:relative;z-index:1}
.section{padding:88px 0;position:relative}
.section-alt{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:40px;max-width:760px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:inline-block}
h2.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.28;letter-spacing:.005em}
.sec-sub{color:var(--text-2);font-size:15px;margin-top:12px;max-width:68ch}
.lede{color:var(--text-2);font-size:16px;max-width:68ch}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,13,18,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(8,9,13,.97);box-shadow:0 14px 34px -22px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:26px;height:26px;flex:0 0 auto;background:var(--brand);
  clip-path:polygon(0 0,72% 0,100% 28%,100% 100%,28% 100%,0 72%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;background:var(--ink-950);
  clip-path:polygon(0 0,72% 0,100% 28%,100% 100%,28% 100%,0 72%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--text)}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.14em}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{font-size:15px;color:var(--text-2);padding:6px 0;position:relative;white-space:nowrap}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-15px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:9px;width:300px;height:40px;
  padding:0 10px 0 14px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);transition:border-color .15s ease,box-shadow .15s ease;
}
.cmd-search i{color:var(--text-3);font-size:13px}
.cmd-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text)}
.cmd-search input::placeholder{color:var(--text-3)}
.cmd-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,255,60,.18)}
.cmd-search .kbd{
  font-family:var(--mono);font-size:11px;color:var(--text-3);
  border:1px solid var(--line-2);border-radius:6px;padding:1px 6px;line-height:1.5;
}
.ghost-link{font-size:15px;color:var(--text-2);padding:6px 4px;white-space:nowrap}
.ghost-link:hover{color:var(--brand)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--brand);color:#0B0D12;font-size:15px;font-weight:700;
  transition:background-color .15s ease,transform .15s ease,color .15s ease;
}
.btn-brand:hover{background:var(--brand-hover);color:#0B0D12;transform:translateY(-1px)}
.btn-brand:active{background:var(--brand-active);transform:translateY(0)}
.btn-brand:disabled{background:var(--line-2);color:var(--text-3);cursor:not-allowed;transform:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);color:var(--text);align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* 移动抽屉 */
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:64px;bottom:0;z-index:99;
  background:rgba(8,9,13,.98);border-top:1px solid var(--line);
  padding:24px 20px 40px;overflow-y:auto;
}
.mobile-drawer.open{display:block}
.mobile-drawer .cmd-search{width:100%;margin-bottom:20px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-nav a{
  font-size:16px;color:var(--text-2);padding:13px 4px;border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:12px}
.drawer-actions .btn-brand{width:100%;height:48px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  border:1px solid var(--line-2);color:var(--text);font-size:15px;background:transparent;
  transition:border-color .15s ease,color .15s ease,transform .15s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-lg{height:48px;padding:0 24px;font-size:15px}
.btn-block{width:100%}

/* ========== 页头 ========== */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(8,9,13,.95) 0%,rgba(8,9,13,.88) 42%,rgba(11,13,18,.72) 100%);
}
.page-hero-inner{position:relative;padding:56px 0}
.breadcrumb-line{
  font-size:12px;letter-spacing:.06em;color:var(--text-3);
  display:flex;align-items:center;gap:9px;margin-bottom:20px;
}
.breadcrumb-line a{color:var(--text-2)}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line .sep{color:var(--line-2)}
.breadcrumb-line .current{color:var(--brand)}
.hero-title{
  font-size:clamp(32px,4.6vw,54px);font-weight:800;line-height:1.14;
  letter-spacing:.01em;max-width:20ch;
}
.hero-lead{font-size:17px;color:var(--text-2);margin-top:18px;max-width:44ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;letter-spacing:.06em;padding:6px 13px;border-radius:var(--r-pill);
  background:var(--brand-weak);border:1px solid rgba(183,255,60,.3);color:var(--brand);
}
.tag-accent{background:rgba(255,77,109,.12);border-color:rgba(255,77,109,.35);color:var(--accent)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
.dot.warn{background:var(--warn)}

/* ========== 卡片 ========== */
.card-surface{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-card);
  transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease;
}
.card-surface::before{
  content:"";position:absolute;left:24px;top:22px;width:22px;height:4px;
  background:var(--brand);border-radius:2px;opacity:.9;
}
.card-surface:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-brand)}
.card-surface.no-mark::before{display:none}
.card-pad-lg{padding:28px}
.card-title{font-size:19px;font-weight:600;line-height:1.42;margin-top:20px}
.card-text{font-size:14px;color:var(--text-2);margin-top:10px}
.card-media{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  background:var(--surface-2);aspect-ratio:16/9;
}
.card-media img{width:100%;height:100%;object-fit:cover}
.stack{display:flex;flex-direction:column;gap:20px}
.mini-num{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--brand);
  display:block;margin-bottom:4px;
}

/* ========== 时间线 ========== */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:34px;width:2px;
  background:linear-gradient(180deg,rgba(183,255,60,.55),rgba(38,43,54,1));
}
.tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:22px;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  width:48px;height:48px;border-radius:var(--r-md);background:var(--surface);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:15px;font-weight:700;color:var(--brand);
  position:relative;z-index:1;
}
.tl-body h3{font-size:19px;font-weight:600;line-height:1.42}
.tl-body p{font-size:14px;color:var(--text-2);margin-top:8px;max-width:62ch}

/* ========== 图文交错 ========== */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.media-row + .media-row{margin-top:56px}
.media-row .media-img{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:3/2;background:var(--surface-2);
}
.media-row .media-img img{width:100%;height:100%;object-fit:cover}
.media-row.reverse .media-img{order:2}
.media-copy h3{font-size:21px;font-weight:600;line-height:1.42}
.media-copy p{color:var(--text-2);font-size:15px;margin-top:12px}
.metrics{display:flex;flex-wrap:wrap;gap:26px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.metric b{display:block;font-size:22px;font-weight:800;color:var(--brand);font-family:var(--mono);letter-spacing:.02em}
.metric span{font-size:13px;color:var(--text-3)}

/* ========== 清单 ========== */
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);font-size:15px;color:var(--text-2);
  transition:border-color .15s ease,transform .15s ease;
}
.check-list li:hover{border-color:var(--brand);transform:translateY(-2px)}
.check-list li i{color:var(--brand);font-size:14px;margin-top:5px}

/* ========== 侧栏提示卡 ========== */
.sticky-card{position:sticky;top:88px}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow-card);
}
.note-card h3{font-size:19px;font-weight:600}
.note-list{margin:16px 0 20px}
.note-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text-2);margin-bottom:10px;
}
.note-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
  background:var(--brand-weak);border:1px solid var(--brand);border-radius:3px;
}
.note-card .hint{font-size:13px;color:var(--text-3);margin-bottom:18px}

/* ========== FAQ ========== */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .18s ease;
}
.faq-item[open]{border-color:rgba(183,255,60,.5)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;transition:transform .18s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;transition:transform .18s ease,opacity .18s ease}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:70ch}

/* ========== CTA ========== */
.cta-band{
  position:relative;background:linear-gradient(115deg,#0F1218 0%,#141A22 100%);
  border:1px solid rgba(183,255,60,.45);border-radius:var(--r-lg);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-card);overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;
  background:var(--brand-weak);border-radius:50%;filter:blur(6px);pointer-events:none;
}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3}
.cta-copy p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:52ch}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;position:relative;z-index:1}
.cta-foot{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:13px;color:var(--text-3)}
.cta-foot span{display:inline-flex;align-items:center;gap:7px}

/* ========== 相关分类 ========== */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{display:block}
.rel-card .rel-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rel-card i.rel-ico{color:var(--brand);font-size:17px}
.rel-card h3{font-size:19px;font-weight:600;line-height:1.42;margin-top:18px}
.rel-card p{font-size:14px;color:var(--text-2);margin-top:10px}
.rel-more{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--brand);margin-top:18px;
}
.rel-more i{transition:transform .15s ease}
.rel-card:hover .rel-more i{transform:translateX(3px)}
.badge-now{
  font-size:12px;letter-spacing:.06em;color:var(--accent);
  border:1px solid rgba(255,77,109,.35);background:rgba(255,77,109,.12);
  border-radius:var(--r-pill);padding:4px 10px;
}

/* ========== 页脚 ========== */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:60px 0 26px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.f-brand .brand-mark{width:24px;height:24px}
.f-desc{font-size:14px;color:var(--text-2);max-width:40ch;line-height:1.8}
.f-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);margin-bottom:14px}
.f-links a{display:block;font-size:14px;color:var(--text-2);padding:6px 0}
.f-links a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ========== 响应式 ========== */
@media (max-width:1199px){
  .cmd-search{width:220px}
  .main-nav{gap:20px}
  .media-row{gap:32px}
}
@media (max-width:991px){
  .main-nav,.cmd-search,.ghost-link{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{gap:10px}
  .section{padding:64px 0}
  .page-hero-inner{padding:44px 0}
  .sticky-card{position:static;margin-top:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .check-list{grid-template-columns:1fr}
  .media-row{grid-template-columns:1fr}
  .media-row.reverse .media-img{order:0}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .hero-title{font-size:clamp(27px,7.4vw,34px);max-width:none}
  .hero-lead{font-size:16px}
  .section-head{margin-bottom:28px}
  .card-surface{padding:20px}
  .card-surface::before{left:20px;top:18px}
  .card-title{font-size:18px;margin-top:16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .rel-grid{grid-template-columns:1fr}
  .brand-main{font-size:15px}
  .brand-sub{display:none}
  .btn-brand,.btn-ghost{width:100%}
  .hero-tags{gap:8px}
  .tl-item{grid-template-columns:40px 1fr;gap:16px}
  .tl-num{width:40px;height:40px;font-size:13px}
  .timeline::before{left:19px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink-950:#0B0D12;
  --ink-900:#08090D;
  --surface:#14171F;
  --surface-2:#1C2029;
  --line:#262B36;
  --line-2:#343A47;
  --brand:#B7FF3C;
  --brand-hover:#C9FF66;
  --brand-active:#93E01F;
  --brand-soft:rgba(183,255,60,.12);
  --accent:#FF4D6D;
  --text:#E6E9EF;
  --text-2:#A2A9B8;
  --text-3:#5A6273;
  --ok:#38D39F;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-hover:0 20px 44px -22px rgba(183,255,60,.28);
  --tr:150ms ease;
  --maxw:1200px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  -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,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;opacity:.35;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--brand);}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;position:relative;z-index:1;}
.narrow{max-width:820px;}

/* ---------- 顶部命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,13,18,.86);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:background var(--tr),box-shadow var(--tr);
}
.site-header.is-scrolled{
  background:rgba(8,9,13,.96);
  box-shadow:0 14px 30px -22px rgba(0,0,0,.95);
}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;flex:0 0 auto;border-radius:7px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-active) 100%);
  clip-path:polygon(0 0,72% 0,100% 28%,100% 100%,28% 100%,0 72%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:15px;font-weight:800;letter-spacing:.01em;color:var(--text);}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--text-3);}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--tr);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:10px;
  width:300px;height:40px;padding:0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color var(--tr),box-shadow var(--tr);
}
.command-search i{color:var(--text-3);font-size:13px;}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;color:var(--text);font-size:14px;outline:none;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,255,60,.18);}
.command-search:focus-within i{color:var(--brand);}
.kbd{
  font-size:11px;color:var(--text-3);border:1px solid var(--line-2);border-radius:6px;
  padding:1px 6px;line-height:1.5;white-space:nowrap;
}
.ghost-link{font-size:15px;color:var(--text-2);white-space:nowrap;}
.ghost-link:hover{color:var(--brand);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#0B0D12;font-size:15px;font-weight:700;
  transition:transform var(--tr),background var(--tr),box-shadow var(--tr);
  white-space:nowrap;cursor:pointer;
}
.btn-brand:hover{background:var(--brand-hover);color:#0B0D12;transform:translateY(-1px);box-shadow:0 12px 26px -16px rgba(183,255,60,.6);}
.btn-brand:active{background:var(--brand-active);transform:translateY(0);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--ink-900);
  padding:20px;position:relative;z-index:99;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .m-search{margin-bottom:18px;}
.mobile-drawer .m-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;}
.mobile-drawer .m-nav a{
  padding:12px 14px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;color:var(--text-2);background:var(--surface);
}
.mobile-drawer .m-nav a.active{color:var(--brand);border-color:rgba(183,255,60,.35);background:var(--brand-soft);}
.mobile-drawer .btn-brand{width:100%;height:46px;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(95deg,rgba(8,9,13,.95) 0%,rgba(8,9,13,.86) 48%,rgba(8,9,13,.68) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:8px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--brand) 34%,transparent 34%);
  opacity:.9;
}
.breadcrumb-bar{
  display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
  color:var(--text-3);text-transform:uppercase;margin-bottom:22px;
}
.breadcrumb-bar a{color:var(--text-3);}
.breadcrumb-bar a:hover{color:var(--brand);}
.breadcrumb-bar .sep{color:var(--line-2);}
.breadcrumb-bar .cur{color:var(--brand);}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.16;max-width:22ch;
}
.lede{margin-top:16px;font-size:17px;color:var(--text-2);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);border:1px solid var(--brand);
  background:var(--brand);color:#0B0D12;font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--tr),background var(--tr),box-shadow var(--tr);
}
.btn-primary-solid:hover{background:var(--brand-hover);color:#0B0D12;transform:translateY(-1px);box-shadow:0 16px 34px -20px rgba(183,255,60,.75);}
.btn-primary-solid:active{transform:translateY(0);background:var(--brand-active);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid var(--line-2);background:transparent;color:var(--text);font-size:15px;cursor:pointer;
  transition:border-color var(--tr),color var(--tr),transform var(--tr);
}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.trust-list{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:14px;color:var(--text-2);}
.trust-list li{display:flex;align-items:center;gap:8px;}
.trust-list i{color:var(--brand);font-size:12px;}

.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);border:1px solid rgba(183,255,60,.3);
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;
  color:#FFD9E0;background:rgba(255,77,109,.14);border:1px solid rgba(255,77,109,.4);
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;position:relative;}
.section.tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.28;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;}
.section-head.row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;max-width:none;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--brand);
}
.text-link i{transition:transform var(--tr);font-size:12px;}
.text-link:hover i{transform:translateX(3px);}
.divider-slant{
  height:8px;background:var(--brand);width:120px;border-radius:2px;margin:0 0 28px;
  clip-path:polygon(0 0,100% 0,94% 100%,6% 100%);
}

/* ---------- 版本速览 ---------- */
.version-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:24px;align-items:stretch;}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-card);
  transition:border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.card::before{
  content:"";position:absolute;left:22px;top:0;width:44px;height:4px;border-radius:0 0 3px 3px;background:var(--brand);
}
.card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.card h3{font-size:20px;font-weight:600;line-height:1.42;margin-bottom:10px;}
.card p{color:var(--text-2);font-size:14px;line-height:1.75;}
.primary-card{display:flex;flex-direction:column;gap:20px;background:linear-gradient(160deg,var(--surface-2) 0%,var(--surface) 70%);}
.primary-card .pc-top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.primary-card h3{font-size:26px;font-weight:800;}
.ver-no{font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;font-size:34px;font-weight:800;color:var(--brand);letter-spacing:.02em;}
.spec-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px;margin-top:4px;}
.spec-list li{border-top:1px solid var(--line);padding-top:10px;}
.spec-list .k{font-size:12px;letter-spacing:.06em;color:var(--text-3);display:block;}
.spec-list .v{font-size:15px;color:var(--text);font-weight:600;}
.mini-card{display:flex;flex-direction:column;gap:14px;}
.mini-icon{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);background:var(--surface-2);color:var(--brand);font-size:16px;
}
.mini-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;letter-spacing:.06em;color:var(--text-3);}

/* ---------- 参数对照表 ---------- */
.table-shell{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  overflow:hidden;box-shadow:var(--shadow-card);
}
.table-scroll{overflow-x:auto;}
table.spec-table{width:100%;border-collapse:collapse;min-width:760px;}
table.spec-table thead th{
  font-size:12px;letter-spacing:.08em;color:var(--brand);font-weight:600;text-align:left;
  padding:16px 20px;background:rgba(183,255,60,.06);border-bottom:1px solid var(--line);white-space:nowrap;
}
table.spec-table tbody td{
  padding:16px 20px;font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line);
  vertical-align:middle;
}
table.spec-table tbody tr:nth-child(odd){background:rgba(255,255,255,.018);}
table.spec-table tbody tr:hover{background:rgba(183,255,60,.05);}
table.spec-table tbody tr:last-child td{border-bottom:0;}
table.spec-table .cell-strong{color:var(--text);font-weight:600;}
.tag{
  display:inline-block;padding:2px 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.04em;
  border:1px solid rgba(183,255,60,.3);background:var(--brand-soft);color:var(--brand);
}
.tag.gray{border-color:var(--line-2);background:var(--surface-2);color:var(--text-2);}
.table-note{margin-top:16px;font-size:13px;color:var(--text-3);}

/* ---------- 宽幅图 + 校验要点 ---------- */
.wide-visual{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);position:relative;
  box-shadow:var(--shadow-card);
}
.wide-visual img{width:100%;aspect-ratio:16/6;object-fit:cover;}
.wide-visual .overlay{
  position:absolute;inset:0;display:flex;align-items:flex-end;
  background:linear-gradient(180deg,rgba(8,9,13,.35) 0%,rgba(8,9,13,.9) 100%);
  padding:32px;
}
.wide-visual .overlay h3{font-size:22px;font-weight:700;max-width:24ch;}
.wide-visual .overlay p{margin-top:10px;color:var(--text-2);font-size:14px;max-width:52ch;}
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px;}
.check-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  padding:22px;transition:border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.check-item:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.check-item .idx{
  font-family:ui-monospace,Menlo,monospace;font-size:13px;color:var(--brand);letter-spacing:.1em;
}
.check-item h4{font-size:18px;font-weight:600;margin:10px 0 8px;}
.check-item p{font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;}
.faq-item{
  border-bottom:1px solid var(--line);padding:18px 0;position:relative;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;padding-right:36px;
  font-size:17px;font-weight:600;color:var(--text);transition:color var(--tr);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before,
.faq-item summary::after{
  content:"";position:absolute;right:4px;top:50%;background:var(--text-2);
  transition:transform var(--tr),opacity var(--tr),background var(--tr);
}
.faq-item summary::before{width:14px;height:2px;transform:translateY(-50%);}
.faq-item summary::after{width:2px;height:14px;transform:translate(-6px,-50%);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::before{background:var(--brand);}
.faq-item[open] summary::after{opacity:0;transform:translate(-6px,-50%) rotate(90deg);}
.faq-body{padding-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:62ch;}
.faq-aside{
  border:1px solid rgba(183,255,60,.3);border-radius:var(--r-md);
  background:linear-gradient(170deg,rgba(183,255,60,.08) 0%,rgba(20,23,31,.9) 60%);
  padding:24px;display:flex;flex-direction:column;gap:14px;height:fit-content;
}
.faq-aside h3{font-size:19px;font-weight:600;}
.faq-aside p{font-size:14px;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  border:1px solid var(--brand);border-radius:var(--r-lg);
  background:linear-gradient(120deg,#101319 0%,#0B0D12 60%);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(183,255,60,.08);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-foot{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:var(--text-3);}
.cta-foot span{display:flex;align-items:center;gap:8px;}
.cta-foot i{color:var(--brand);font-size:11px;}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.related-card{
  display:flex;gap:18px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  transition:border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.related-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.related-card img{width:96px;height:72px;object-fit:cover;border-radius:var(--r-sm);flex:0 0 auto;}
.related-card h3{font-size:19px;font-weight:600;}
.related-card p{margin-top:6px;font-size:14px;color:var(--text-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.brand-text .brand-main{font-size:16px;}
.f-desc{font-size:14px;color:var(--text-2);max-width:34ch;}
.f-title{font-size:13px;letter-spacing:.1em;color:var(--brand);margin-bottom:16px;}
.f-links{display:flex;flex-direction:column;gap:10px;}
.f-links a{font-size:14px;color:var(--text-2);}
.f-links a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .command-search{width:220px;}
  .main-nav{gap:20px;}
}
@media (max-width:991.98px){
  .main-nav,.header-tools .command-search,.header-tools .ghost-link{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:64px 0;}
  .version-grid{grid-template-columns:1fr 1fr;}
  .primary-card{grid-column:1 / -1;}
  .check-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .wide-visual .overlay{padding:22px;}
}
@media (max-width:767.98px){
  .header-inner{height:56px;gap:12px;}
  .brand-main{font-size:14px;}
  .brand-sub{display:none;}
  .page-hero{padding:40px 0 48px;}
  .lede{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-primary-solid,.btn-outline{width:100%;}
  .section{padding:48px 0;}
  .version-grid{grid-template-columns:1fr;gap:16px;}
  .spec-list{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .related-card{flex-direction:column;}
  .related-card img{width:100%;height:150px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:24px;}
  .cta-actions{width:100%;}
  .section-head.row{flex-direction:column;align-items:flex-start;}
  .wide-visual img{aspect-ratio:4/3;}
  .wide-visual .overlay h3{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover,.check-item:hover,.related-card:hover,.btn-brand:hover,.btn-primary-solid:hover,.btn-outline:hover{transform:none;}
}