/* roulang page: index */
:root{
  --ink-0:#050E12;
  --ink-1:#071318;
  --ink-2:#0C2029;
  --brand:#2FE0C8;
  --brand-dim:rgba(47,224,200,.12);
  --brand-line:rgba(47,224,200,.16);
  --amber:#FFB020;
  --text:#E8F1F2;
  --muted:#93A8AE;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.06);
  --radius-nav:999px;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-panel:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(47,224,200,.35);
  --glow-lg:0 0 32px rgba(47,224,200,.42);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,"Courier New",monospace;
  --bs-body-bg:var(--ink-1);
  --bs-body-color:var(--text);
  --bs-primary:var(--brand);
  --bs-border-color:var(--line);
  --bs-link-color:var(--muted);
  --bs-link-hover-color:var(--brand);
  --bs-border-radius:var(--radius-btn);
  --bs-font-sans-serif:var(--font-sans);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,var(--ink-1) 0%,var(--ink-2) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--muted);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.eyebrow{font-size:13px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;margin-bottom:14px;}
.sec-title{font-size:30px;margin-bottom:14px;}
.sec-sub{color:var(--muted);font-size:15px;max-width:680px;}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.text-link{font-size:14px;color:var(--muted);border-bottom:1px solid transparent;padding-bottom:2px;transition:.18s;}
.text-link:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* ============ 导航 ============ */
.nav-wrap{position:sticky;top:0;z-index:1040;padding:16px 0 6px;}
.site-nav{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  border-radius:var(--radius-nav);
  padding:10px 12px 10px 22px;
  background:rgba(8,24,30,.66);
  border:1px solid var(--brand-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 40px rgba(0,0,0,.45);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-wrap.is-stuck .site-nav{
  background:rgba(5,14,18,.92);
  border-color:rgba(47,224,200,.3);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08), 0 10px 26px rgba(0,0,0,.5);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;font-size:16px;font-weight:700;color:#04211d;
  background:linear-gradient(140deg,var(--brand),#1aa894);
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text b{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap;}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  font-size:14.5px;color:var(--muted);padding:9px 15px;border-radius:999px;
  position:relative;white-space:nowrap;transition:color .18s ease,background .18s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-menu a.active{color:var(--text);}
.nav-menu a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:var(--glow);
}
.nav-cta{display:flex;align-items:center;gap:10px;}
.btn-nav{
  font-size:14px;padding:11px 22px;border-radius:999px;border:0;
  color:#04211d;font-weight:700;
  background:linear-gradient(140deg,var(--brand),#1cb9a2);
  box-shadow:var(--glow);transition:.18s ease;
}
.btn-nav:hover{filter:brightness(1.08);box-shadow:var(--glow-lg);color:#04211d;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--text);font-size:17px;
}
.nav-toggle:hover{color:var(--brand);border-color:var(--brand-line);}
.mobile-panel{
  display:none;margin-top:12px;border-radius:20px;padding:14px;
  background:rgba(5,14,18,.96);border:1px solid var(--brand-line);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-panel);
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;min-height:56px;padding:0 16px;font-size:16px;color:var(--text);
  border-radius:12px;border-bottom:1px solid var(--line);
}
.mobile-panel a:last-of-type{border-bottom:0;}
.mobile-panel a:hover,.mobile-panel a.active{background:rgba(47,224,200,.08);color:var(--brand);}
.mobile-panel .btn-nav{display:block;width:100%;margin-top:12px;text-align:center;padding:15px;}

/* ============ Hero ============ */
.hero{
  position:relative;padding:56px 0 80px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(7,19,24,.72),rgba(7,19,24,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,var(--brand-line),transparent);
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.cover-card{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--brand-line);
  background:#0b1c22;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 40px rgba(0,0,0,.45),0 0 26px rgba(47,224,200,.14);
}
.cover-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-live{
  position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:#2a1a00;background:var(--amber);box-shadow:0 0 18px rgba(255,176,32,.4);
}
.cover-live i{width:7px;height:7px;border-radius:50%;background:#2a1a00;animation:pulse 1.4s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.75);}}
.cover-mark{position:absolute;width:16px;height:16px;border:1px solid rgba(47,224,200,.5);}
.cover-mark.tl{top:10px;left:10px;border-right:0;border-bottom:0;}
.cover-mark.tr{top:10px;right:10px;border-left:0;border-bottom:0;}
.cover-mark.bl{bottom:10px;left:10px;border-right:0;border-top:0;}
.cover-mark.br{bottom:10px;right:10px;border-left:0;border-top:0;}
.cover-foot{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:14px 18px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);
}
.cover-foot strong{color:var(--text);font-weight:400;}
.hero-copy h1{font-size:44px;line-height:1.25;margin-bottom:18px;}
.hero-copy h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:16px;color:var(--muted);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.btn-main{
  display:inline-flex;align-items:center;gap:9px;
  padding:15px 30px;border-radius:var(--radius-btn);border:0;
  font-size:15px;font-weight:700;color:#04211d;
  background:linear-gradient(140deg,var(--brand),#1cb9a2);
  box-shadow:var(--glow);transition:transform .18s ease,filter .18s ease,box-shadow .18s ease;
}
.btn-main:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 32px rgba(47,224,200,.5);color:#04211d;}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:15px 28px;border-radius:var(--radius-btn);
  font-size:15px;color:var(--text);border:1px solid var(--brand-line);
  background:rgba(255,255,255,.04);transition:.18s ease;
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(47,224,200,.42);background:rgba(47,224,200,.06);}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;}
.tag{
  font-size:12.5px;padding:6px 13px;border-radius:999px;
  color:var(--brand);background:var(--brand-dim);border:1px solid var(--brand-line);
}

/* ============ 倒计时 ============ */
.countdown-band{
  margin-top:34px;padding:22px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--brand-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.countdown-label{font-size:13px;letter-spacing:.16em;color:var(--muted);margin-bottom:6px;}
.countdown-title{font-size:17px;}
.cd-grid{display:flex;gap:10px;}
.cd-cell{
  width:78px;padding:10px 6px;border-radius:14px;text-align:center;
  background:rgba(255,255,255,.05);border:1px solid var(--brand-line);
}
.cd-cell b{display:block;font-family:var(--font-mono);font-size:40px;line-height:1.1;color:var(--brand);font-weight:700;}
.cd-cell span{font-size:12px;letter-spacing:.12em;color:var(--muted);}
.cd-live b{color:var(--amber);font-size:26px;line-height:1.7;}

/* ============ 看点 ============ */
.watch-list{border-top:1px solid var(--line);}
.watch-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.watch-item:hover{background:rgba(47,224,200,.04);}
.watch-num{font-family:var(--font-mono);font-size:22px;color:rgba(47,224,200,.5);}
.watch-body h3{font-size:18px;margin-bottom:6px;}
.watch-body p{font-size:14px;color:var(--muted);}
.watch-meta{font-size:12.5px;color:var(--muted);white-space:nowrap;font-family:var(--font-mono);}

/* ============ 订阅 ============ */
.subscribe-panel{
  padding:34px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--brand-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-panel);
  display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;
}
.form-row{display:flex;gap:12px;}
.subscribe-panel input[type="text"]{
  flex:1;height:48px;padding:0 18px;border-radius:var(--radius-input);
  background:rgba(255,255,255,.05);border:1px solid transparent;color:var(--text);font-size:15px;
  transition:.18s ease;
}
.subscribe-panel input[type="text"]::placeholder{color:rgba(147,168,174,.8);}
.subscribe-panel input[type="text"]:focus{outline:none;border-color:var(--brand);background:rgba(47,224,200,.06);}
.subscribe-panel .btn-main{height:48px;padding:0 26px;}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin-top:14px;}
.form-check input{margin-top:5px;accent-color:var(--brand);}
.form-note{font-size:12px;color:rgba(147,168,174,.85);margin-top:8px;}
.form-done{
  display:none;margin-top:14px;padding:12px 16px;border-radius:12px;font-size:14px;
  color:var(--brand);background:var(--brand-dim);border:1px solid var(--brand-line);
}
.form-done.show{display:block;}

/* ============ 预告流 ============ */
.schedule{display:grid;gap:14px;}
.sch-row{
  display:grid;grid-template-columns:140px 1fr auto;gap:20px;align-items:center;
  padding:20px 22px;border-radius:var(--radius-card);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:.2s ease;
}
.sch-row:hover{border-color:var(--brand-line);transform:translateY(-3px);background:rgba(47,224,200,.05);}
.sch-time{font-family:var(--font-mono);font-size:14px;color:var(--muted);}
.sch-main h3{font-size:17px;margin-bottom:5px;}
.sch-main p{font-size:13.5px;color:var(--muted);}
.badge-state{font-size:12px;padding:5px 13px;border-radius:999px;white-space:nowrap;}
.st-soon{color:var(--brand);background:var(--brand-dim);border:1px solid var(--brand-line);}
.st-live{color:#2a1a00;background:var(--amber);border:1px solid rgba(255,176,32,.5);}
.st-over{color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--line);}
.replay-link{font-size:13.5px;color:var(--brand);}
.sch-side{display:flex;align-items:center;gap:16px;}

/* ============ 数据条 ============ */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:30px;border-radius:var(--radius-card);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.stat-cell b{display:block;font-family:var(--font-mono);font-size:32px;color:var(--brand);line-height:1.3;}
.stat-cell span{font-size:13px;color:var(--muted);}

/* ============ 资讯卡 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  border-radius:var(--radius-card);overflow:hidden;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:.2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--brand-line);background:rgba(47,224,200,.05);}
.news-thumb{display:block;overflow:hidden;background:#0b1c22;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge-cat{
  align-self:flex-start;font-size:12px;padding:4px 12px;border-radius:999px;
  color:var(--brand);background:var(--brand-dim);
}
.news-title{font-size:17px;line-height:1.5;}
.news-title a{
  color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a:hover{color:var(--brand);}
.news-desc{
  font-size:13.5px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{font-size:13px;color:var(--muted);margin-top:auto;}
.news-meta i{margin-right:6px;color:rgba(47,224,200,.6);}
.empty-state{
  padding:56px 24px;border-radius:var(--radius-card);text-align:center;
  background:rgba(255,255,255,.03);border:1px dashed var(--brand-line);
}
.empty-state i{font-size:30px;color:rgba(47,224,200,.4);display:block;margin-bottom:14px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:10px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  border-radius:var(--radius-card);background:rgba(255,255,255,.04);
  border:1px solid var(--line);overflow:hidden;transition:.2s ease;
}
.faq-item.open{border-color:var(--brand-line);background:rgba(47,224,200,.05);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:20px 22px;background:none;border:0;color:var(--text);
  font-size:16px;font-weight:700;text-align:left;cursor:pointer;
}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .2s ease;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 22px 22px;font-size:14.5px;color:var(--muted);}

/* ============ 尾部 CTA ============ */
.cta-band{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  padding:40px;display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap;
  background:rgba(255,255,255,.05);border:1px solid var(--brand-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
}
.cta-band h2{font-size:26px;margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:var(--muted);}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:var(--ink-0);border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding:60px 0 40px;}
.footer-grid h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-grid p,.footer-grid li{font-size:13.5px;color:var(--muted);line-height:2;}
.footer-grid li a{color:var(--muted);}
.footer-grid li a:hover{color:var(--brand);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--muted);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container-x{max-width:1280px;}
}
@media (max-width:1199.98px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-copy h1{font-size:38px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .subscribe-panel{grid-template-columns:1fr;}
}
@media (max-width:991.98px){
  .nav-menu,.nav-cta .btn-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .site-nav{padding:10px 12px 10px 16px;}
  .section{padding:72px 0;}
  .sec-title{font-size:26px;}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .sch-row{grid-template-columns:1fr;gap:12px;}
  .sch-side{justify-content:space-between;}
  .watch-item{grid-template-columns:48px 1fr;gap:14px;}
  .watch-meta{grid-column:2;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .section{padding:56px 0;}
  .hero{padding:34px 0 56px;}
  .hero-copy h1{font-size:30px;}
  .sec-title{font-size:23px;}
  .news-grid{grid-template-columns:1fr;}
  .site-nav,.cta-band,.subscribe-panel,.countdown-band{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
  .btn-main,.btn-ghost{box-shadow:none;}
  .cta-band{padding:28px;}
  .cta-band .btn-main{width:100%;justify-content:center;}
  .cd-cell b{font-size:32px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  .cd-grid{flex-wrap:wrap;gap:8px;}
  .cd-cell{width:calc(50% - 4px);}
  .form-row{flex-direction:column;}
  .subscribe-panel .btn-main{width:100%;justify-content:center;}
  .stat-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 30px;}
  .brand-text span{display:none;}
}

/* roulang page: article */
:root{
  --bg-0:#071318;
  --bg-1:#0C2029;
  --bg-deep:#050E12;
  --primary:#2FE0C8;
  --primary-soft:rgba(47,224,200,.12);
  --primary-line:rgba(47,224,200,.16);
  --accent:#FFB020;
  --text:#E8F1F2;
  --muted:#93A8AE;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --r-pill:999px;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(47,224,200,.35);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--text);
  --bs-primary:#2FE0C8;
  --bs-link-color:#93A8AE;
  --bs-link-hover-color:#2FE0C8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-font-sans-serif:var(--font-sans);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-sans);
  font-weight:400;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--muted);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;text-underline-offset:3px}
a:hover{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px}
ul,ol{padding-left:1.15rem}
h1,h2,h3,h4{font-weight:700;margin:0;line-height:1.32;letter-spacing:.2px}
p{margin:0}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.nav-wrap{
  position:sticky;
  top:0;
  z-index:900;
  padding:18px 0 6px;
  transition:padding .25s ease;
}
.site-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:10px 12px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(9,26,32,.72);
  border:1px solid var(--primary-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 34px rgba(0,0,0,.38);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-wrap.scrolled .site-nav{
  background:rgba(6,20,25,.92);
  border-color:rgba(47,224,200,.3);
  box-shadow:0 10px 24px rgba(0,0,0,.5);
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand:hover{color:var(--text);text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(47,224,200,.9),rgba(47,224,200,.45));
  color:#04191b;font-weight:700;font-size:19px;
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.3px}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.4px}
.nav-menu{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;
  color:var(--muted);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:var(--glass);text-decoration:none}
.nav-menu a.active{color:var(--text)}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#04191b;
  font-size:14px;font-weight:700;
  box-shadow:var(--glow);
  transition:filter .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-nav:hover{color:#04191b;text-decoration:none;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 32px rgba(47,224,200,.45)}
.btn-nav:active{transform:translateY(0);box-shadow:var(--glow)}
.nav-toggle{
  display:none;
  width:40px;height:40px;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text);font-size:16px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary-line);color:var(--primary)}
.mobile-panel{display:none}

/* ---------- 页头 ---------- */
.page-head{padding:44px 0 8px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;margin-bottom:22px}
.crumb .sep{color:rgba(255,255,255,.2)}
.crumb-cur{color:var(--primary)}
.page-title{font-size:44px;line-height:1.28;max-width:900px}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px;font-size:13px;color:var(--muted)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{font-size:12px;color:var(--primary);opacity:.85}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}

/* ---------- 正文 ---------- */
.article-sec{padding:42px 0 88px}
.article-cover{
  max-width:1000px;margin:0 auto 40px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  position:relative;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,19,24,0) 45%,rgba(7,19,24,.75) 100%);
  pointer-events:none;
}
.article-body{max-width:760px;margin:0 auto}
.article-body h2{font-size:30px;margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--primary);line-height:1.35}
.article-body h3{font-size:20px;margin:30px 0 12px;color:var(--text)}
.article-body p{margin:0 0 20px;font-size:16px;line-height:1.84;color:rgba(232,241,242,.9)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:1.3rem}
.article-body li{margin-bottom:10px;line-height:1.8;color:rgba(232,241,242,.88)}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;
  background:var(--glass);
  color:var(--muted);
  font-size:15px;
}
.article-body img{border-radius:var(--r-img);border:1px solid var(--line);margin:26px auto;max-width:100%}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body table{
  width:100%;display:block;overflow-x:auto;
  border-collapse:collapse;margin:26px 0;font-size:14.5px;
}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--glass);color:var(--primary);font-weight:700}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.035)}
.article-body a{color:var(--primary);text-decoration:underline;text-decoration-color:rgba(47,224,200,.4)}
.article-body a:hover{text-decoration-color:var(--primary)}

.tip-box{
  margin:0 0 34px;
  padding:20px 22px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--primary-line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.tip-box .tip-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin-bottom:10px}
.tip-box .tip-title i{color:var(--accent)}
.tip-box ul{margin:0;padding-left:1.2rem}
.tip-box li{font-size:14px;color:var(--muted);margin-bottom:6px}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:280px;padding:40px 24px;text-align:center;
  border-radius:var(--r-card);border:1px dashed var(--primary-line);background:var(--glass);
}
.empty-state i{font-size:34px;color:rgba(47,224,200,.4)}
.empty-state p{font-size:14px;color:var(--muted)}
.empty-state a{color:var(--primary);font-weight:700}

.back-links{display:flex;flex-wrap:wrap;gap:14px;max-width:760px;margin:44px auto 0}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid var(--primary-line);
  background:transparent;color:var(--text);font-size:14px;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-line:hover{border-color:var(--primary);color:var(--primary);text-decoration:none;transform:translateY(-2px)}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--primary);color:#04191b;font-size:14px;font-weight:700;
  box-shadow:var(--glow);
  transition:filter .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-solid:hover{color:#04191b;text-decoration:none;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 32px rgba(47,224,200,.45)}
.btn-solid:active{transform:translateY(0)}

/* ---------- 相关推荐 ---------- */
.related-sec{padding:0 0 88px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-head h2{font-size:30px}
.more-link{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.more-link:hover{color:var(--primary)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.r-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease;
}
.r-card:hover{transform:translateY(-4px);border-color:var(--primary-line);text-decoration:none}
.r-card .thumb{position:relative;overflow:hidden}
.r-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.r-card:hover .thumb img{transform:scale(1.03)}
.r-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px}
.r-card h3{font-size:17px;line-height:1.5}
.r-card p{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.r-card .r-more{font-size:13px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;margin-top:2px}
.badge-cat{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(7,19,24,.7);
  border:1px solid var(--primary-line);
  color:var(--primary);font-size:12px;
  backdrop-filter:blur(8px);
}

/* ---------- 尾部 CTA ---------- */
.cta-bar{padding:0 0 90px}
.cta-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:30px 32px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--primary-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
}
.cta-inner h2{font-size:24px;margin-bottom:8px}
.cta-inner p{font-size:14px;color:var(--muted);max-width:640px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text b{font-size:16px}
.site-footer h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.site-footer p{font-size:13.5px;color:var(--muted);line-height:1.8;max-width:340px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.site-footer li a{color:var(--muted)}
.site-footer li a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:rgba(147,168,174,.8);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu a{padding:8px 9px;font-size:13.5px}
  .page-title{font-size:38px}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-cta .btn-nav{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-panel{
    display:none;
    flex-direction:column;
    gap:4px;
    margin-top:10px;
    padding:14px;
    border-radius:20px;
    background:rgba(6,20,25,.96);
    border:1px solid var(--primary-line);
    backdrop-filter:blur(12px);
    box-shadow:var(--shadow-card);
  }
  .mobile-panel.open{display:flex}
  .mobile-panel a{
    display:flex;align-items:center;min-height:56px;padding:0 14px;
    font-size:15px;color:var(--muted);border-radius:12px;
  }
  .mobile-panel a:hover{background:var(--glass);color:var(--text);text-decoration:none}
  .mobile-panel a.active{color:var(--primary)}
  .mobile-panel .btn-nav{justify-content:center;height:48px;width:100%;margin-top:8px;color:#04191b}
  .page-head{padding:30px 0 4px}
  .page-title{font-size:30px}
  .article-body h2{font-size:24px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  body{font-size:15px}
  .container-x{padding:0 20px}
  .site-nav{padding:8px 10px 8px 14px}
  .brand-text span{display:none}
  .article-sec{padding:30px 0 64px}
  .related-sec,.cta-bar{padding-bottom:64px}
  .page-title{font-size:26px}
  .sec-head h2{font-size:23px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .back-links{flex-direction:column}
  .back-links a{justify-content:center;width:100%}
  .cta-inner{padding:24px 20px}
  .cta-inner h2{font-size:20px}
}
@media (max-width:520px){
  .page-title{font-size:23px}
  .meta-row{gap:8px}
  .article-body h2{font-size:21px;margin:32px 0 14px}
  .article-cover{margin-bottom:26px}
  .tip-box{padding:16px}
}

/* roulang page: category1 */
:root{
  --bg-0:#071318;
  --bg-1:#0C2029;
  --bg-deep:#050E12;
  --primary:#2FE0C8;
  --primary-soft:rgba(47,224,200,.12);
  --primary-line:rgba(47,224,200,.16);
  --accent:#FFB020;
  --text:#E8F1F2;
  --muted:#93A8AE;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.075);
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --radius-img:14px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(47,224,200,.35);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Roboto Mono","Courier New",monospace;
  --sec-space:96px;

  --bs-primary:#2FE0C8;
  --bs-primary-rgb:47,224,200;
  --bs-body-bg:#071318;
  --bs-body-color:#E8F1F2;
  --bs-body-font-family:var(--font-sans);
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:16px;
  --bs-link-color:#93A8AE;
  --bs-link-hover-color:#2FE0C8;
  --bs-emphasis-color:#E8F1F2;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:linear-gradient(180deg,#071318 0%,#0C2029 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--muted);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.01em;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
::selection{background:rgba(47,224,200,.3);color:#fff;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-space) 0;position:relative;}
.section-head{max-width:720px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--primary-soft);border:1px solid var(--primary-line);
  color:var(--primary);font-size:12.5px;letter-spacing:.14em;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(47,224,200,.9);}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15.5px;max-width:660px;}

/* ---------- 导航 ---------- */
.nav-wrap{
  position:sticky;top:0;z-index:1030;
  padding:18px 0 6px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,padding .25s ease,border-color .25s ease;
}
.nav-wrap.scrolled{
  background:rgba(6,16,21,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  padding:10px 0;
}
.site-nav{
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 16px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--primary-line);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 8px 30px rgba(0,0,0,.32);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.nav-wrap.scrolled .site-nav{border-color:rgba(47,224,200,.28);box-shadow:0 10px 26px rgba(0,0,0,.42);}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  display:grid;place-items:center;width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;font-size:18px;font-weight:700;color:#062018;
  background:linear-gradient(135deg,#2FE0C8,#7FF3E2);
  box-shadow:0 0 20px rgba(47,224,200,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.02em;white-space:nowrap;}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.08em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--muted);white-space:nowrap;transition:color .18s ease,background .18s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-menu a.active{color:var(--text);background:rgba(47,224,200,.1);}
.nav-menu a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(47,224,200,.75);
}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:700;color:#04211C;
  background:linear-gradient(135deg,#2FE0C8,#5EF0D9);
  box-shadow:var(--glow);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-nav:hover{color:#04211C;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 32px rgba(47,224,200,.5);}
.btn-nav:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.06);border:1px solid var(--primary-line);
  color:var(--text);font-size:16px;cursor:pointer;place-items:center;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:rgba(47,224,200,.12);border-color:rgba(47,224,200,.34);}
.mobile-panel{display:none;}

/* ---------- 按钮 ---------- */
.btn-primary-x{
  display:inline-flex;align-items:center;gap:9px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;color:#04211C;
  background:linear-gradient(135deg,#2FE0C8,#5EF0D9);
  box-shadow:var(--glow);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-primary-x:hover{color:#04211C;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 32px rgba(47,224,200,.5);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{
  display:inline-flex;align-items:center;gap:9px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;color:var(--text);
  background:rgba(255,255,255,.04);
  border:1px solid var(--primary-line);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.btn-ghost-x:hover{color:var(--primary);border-color:rgba(47,224,200,.42);background:rgba(47,224,200,.08);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumb span{color:rgba(255,255,255,.22);}
.crumb .cur{color:var(--primary);}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;padding:64px 0 72px;overflow:hidden;}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.22;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 380px at 16% 18%, rgba(47,224,200,.16), transparent 70%),
    linear-gradient(180deg, rgba(7,19,24,.5) 0%, rgba(7,19,24,.94) 100%);
}
.cat-hero .container-x{position:relative;z-index:2;}
.cat-hero h1{font-size:44px;max-width:820px;margin-bottom:20px;}
.hero-sub{max-width:660px;color:var(--muted);font-size:16.5px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags li{
  padding:7px 14px;border-radius:var(--radius-pill);
  font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.hero-tags li i{color:var(--primary);margin-right:6px;font-size:11px;}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:relative;z-index:5;
  padding:16px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(8,22,27,.6);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.anchor-list{display:flex;flex-wrap:wrap;gap:10px;}
.anchor-list a{
  padding:8px 16px;border-radius:var(--radius-pill);
  font-size:13.5px;color:var(--muted);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.anchor-list a:hover{color:var(--primary);border-color:rgba(47,224,200,.4);background:rgba(47,224,200,.08);}

/* ---------- 时间轴 ---------- */
.timeline{margin-top:8px;}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:56px minmax(0,1fr) 280px;
  gap:26px;align-items:start;padding-bottom:42px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child .tl-line{display:none;}
.tl-line{
  position:absolute;left:27px;top:62px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(47,224,200,.5),rgba(47,224,200,.04));
}
.tl-num{
  position:relative;z-index:2;
  width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;
  font-family:var(--font-mono);font-size:17px;font-weight:700;color:#04211C;
  background:linear-gradient(135deg,#2FE0C8,#6FF2DD);
  box-shadow:0 0 22px rgba(47,224,200,.26);
}
.tl-body h3{font-size:20px;margin-bottom:10px;}
.tl-body p{color:var(--muted);font-size:15px;max-width:560px;}
.tl-meta{
  display:inline-flex;align-items:center;gap:7px;margin-top:14px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;color:var(--primary);
  background:var(--primary-soft);border:1px solid var(--primary-line);
}
.tl-media{
  border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  box-shadow:var(--shadow-card);
  transition:border-color .25s ease,transform .25s ease;
}
.tl-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);transition:transform .35s ease;}
.tl-item:hover .tl-media{border-color:rgba(47,224,200,.34);transform:translateY(-3px);}
.tl-item:hover .tl-media img{transform:scale(1.03);}

/* ---------- 功能面板 ---------- */
.feat-panel{
  padding:34px;border-radius:20px;
  background:var(--glass);border:1px solid var(--primary-line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
}
.feat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 34px;}
.feat-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);}
.feat-grid .feat-item:nth-last-child(-n+2){border-bottom:0;}
.feat-ico{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;font-size:14px;color:var(--primary);
  background:var(--primary-soft);border:1px solid var(--primary-line);
}
.feat-item h3{font-size:16.5px;margin-bottom:6px;}
.feat-item p{color:var(--muted);font-size:14px;}

/* ---------- 数字条 ---------- */
.numbers{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;margin-top:12px;
}
.num-card{
  padding:26px 22px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  text-align:left;transition:border-color .22s ease,transform .22s ease;
}
.num-card:hover{border-color:rgba(47,224,200,.34);transform:translateY(-4px);}
.num-card b{
  display:block;font-family:var(--font-mono);font-size:34px;line-height:1.2;
  color:var(--primary);letter-spacing:.02em;
}
.num-card span{display:block;margin-top:10px;font-size:13px;color:var(--muted);letter-spacing:.04em;}

/* ---------- 表单 / 订阅 ---------- */
.sub-box{
  margin-top:44px;padding:30px;border-radius:20px;
  background:var(--glass);border:1px solid var(--primary-line);
  box-shadow:var(--shadow-card);
}
.sub-box h3{font-size:19px;margin-bottom:8px;}
.sub-box .hint{color:var(--muted);font-size:14px;margin-bottom:20px;}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;}
.sub-form input[type="text"]{
  flex:1 1 260px;height:48px;padding:0 18px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);font-size:15px;outline:none;
  transition:border-color .18s ease,background .18s ease;
}
.sub-form input[type="text"]::placeholder{color:rgba(147,168,174,.7);}
.sub-form input[type="text"]:focus{border-color:var(--primary);background:rgba(47,224,200,.06);}
.sub-form button{
  height:48px;padding:0 28px;border:0;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;color:#04211C;cursor:pointer;
  background:linear-gradient(135deg,#2FE0C8,#5EF0D9);
  box-shadow:var(--glow);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.sub-form button:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 32px rgba(47,224,200,.5);}
.sub-form button:active{transform:translateY(0);}
.sub-check{display:flex;align-items:flex-start;gap:9px;margin-top:16px;font-size:13px;color:var(--muted);}
.sub-check input{margin-top:5px;accent-color:#2FE0C8;}
.sub-note{margin-top:10px;font-size:12px;color:rgba(147,168,174,.8);}
.sub-done{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-btn);
  font-size:14px;color:var(--primary);
  background:var(--primary-soft);border:1px solid var(--primary-line);
}
.sub-done.show{display:block;}

/* ---------- FAQ ---------- */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-color:#E8F1F2;--bs-accordion-active-color:#2FE0C8;--bs-accordion-active-bg:rgba(47,224,200,.06);--bs-accordion-inner-border-radius:16px;--bs-accordion-btn-padding-y:20px;--bs-accordion-btn-padding-x:22px;}
.accordion-item{
  background:var(--glass);border:1px solid var(--primary-line)!important;
  border-radius:var(--radius-card)!important;margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--text);font-size:16px;font-weight:700;
  box-shadow:none!important;border-radius:var(--radius-card)!important;
  transition:color .18s ease;
}
.accordion-button:not(.collapsed){color:var(--primary);}
.accordion-button::after{
  content:"+";display:grid;place-items:center;
  width:26px;height:26px;font-size:19px;font-weight:700;line-height:1;
  color:var(--primary);background:none;background-image:none;
  transform:none;transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);}
.accordion-body{color:var(--muted);font-size:14.5px;padding:0 22px 22px;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding:34px 36px;border-radius:20px;
  background:var(--glass-strong);border:1px solid var(--primary-line);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.cta-bar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,224,200,.85),transparent);
}
.cta-bar h2{font-size:24px;margin-bottom:8px;}
.cta-bar p{color:var(--muted);font-size:14.5px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;padding:64px 0 26px;
  background:var(--bg-deep);border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:16px;border-radius:10px;}
.footer-brand b{font-size:15.5px;}
.site-footer p{color:var(--muted);font-size:14px;max-width:340px;}
.site-footer h4{font-size:13.5px;letter-spacing:.1em;color:var(--text);margin-bottom:16px;}
.site-footer ul li{margin-bottom:11px;}
.site-footer ul a,.site-footer ul li{font-size:14px;color:var(--muted);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:rgba(147,168,174,.8);
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container-x{max-width:1180px;}
}
@media (max-width:1199px){
  .nav-menu a{padding:9px 11px;font-size:13.5px;}
  .cat-hero h1{font-size:38px;}
  .tl-item{grid-template-columns:56px minmax(0,1fr) 236px;gap:22px;}
}
@media (max-width:991px){
  :root{--sec-space:72px;}
  .nav-menu{display:none;}
  .nav-cta .btn-nav{display:none;}
  .nav-toggle{display:grid;}
  .site-nav{padding:8px 10px 8px 14px;}
  .mobile-panel{
    display:none;
    position:fixed;left:16px;right:16px;top:80px;z-index:1040;
    padding:14px;border-radius:20px;
    background:rgba(8,22,27,.95);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border:1px solid var(--primary-line);
    box-shadow:0 24px 60px rgba(0,0,0,.55);
  }
  .mobile-panel.open{display:block;}
  .mobile-panel a{
    display:flex;align-items:center;min-height:56px;padding:0 14px;
    border-radius:12px;font-size:15px;color:var(--text);
    border-bottom:1px solid var(--line);
  }
  .mobile-panel a:last-child{border-bottom:0;}
  .mobile-panel a.active{color:var(--primary);background:rgba(47,224,200,.08);}
  .mobile-panel .btn-nav{margin-top:12px;width:100%;height:48px;border-bottom:0;}
  .cat-hero{padding:48px 0 56px;}
  .cat-hero h1{font-size:32px;}
  .hero-sub{font-size:15.5px;}
  .tl-item{grid-template-columns:48px minmax(0,1fr);gap:16px;padding-bottom:34px;}
  .tl-num{width:48px;height:48px;border-radius:14px;font-size:15px;}
  .tl-line{left:23px;top:54px;}
  .tl-media{grid-column:2;margin-top:6px;max-width:420px;}
  .feat-grid{grid-template-columns:1fr;}
  .feat-grid .feat-item:nth-last-child(-n+2){border-bottom:1px solid var(--line);}
  .feat-grid .feat-item:last-child{border-bottom:0;}
  .numbers{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .feat-panel,.sub-box,.cta-bar{padding:26px;}
}
@media (max-width:767px){
  :root{--sec-space:60px;}
  .container-x{padding:0 20px;}
  .section-head h2{font-size:23px;}
  .cat-hero h1{font-size:28px;}
  .site-nav{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);}
  .glass-blur-off{backdrop-filter:none;}
  .btn-primary-x,.btn-ghost-x,.sub-form button{width:100%;justify-content:center;}
  .hero-actions{gap:12px;}
  .tl-item{padding-bottom:30px;}
  .tl-media{max-width:100%;}
  .numbers{grid-template-columns:1fr;}
  .num-card b{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-bar{flex-direction:column;align-items:flex-start;}
  .cta-bar .btn-primary-x{width:100%;justify-content:center;}
}
@media (max-width:575px){
  .brand-text span{display:none;}
  .cat-hero h1{font-size:25px;}
  .hero-tags li{font-size:12px;padding:6px 12px;}
  .num-card b{font-size:27px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#071318;
  --bg-1:#0C2029;
  --surface:#050E12;
  --primary:#2FE0C8;
  --primary-dim:rgba(47,224,200,.12);
  --primary-line:rgba(47,224,200,.16);
  --accent:#FFB020;
  --text:#E8F1F2;
  --muted:#93A8AE;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.07);
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --shadow-1:inset 0 0 0 1px rgba(255,255,255,.06), 0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(47,224,200,.35);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --container:1200px;
  --sec-gap:96px;
  --bs-primary:#2FE0C8;
  --bs-body-bg:#071318;
  --bs-body-color:#E8F1F2;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#93A8AE;
  --bs-link-hover-color:#2FE0C8;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-weight:400;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--muted);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
::selection{background:rgba(47,224,200,.28);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 导航 ---------- */
.nav-wrap{position:sticky;top:14px;z-index:1030;padding:0 20px;}
.site-nav{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  max-width:var(--container);margin:0 auto;
  padding:10px 14px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(9,26,32,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--primary-line);
  box-shadow:0 12px 34px rgba(0,0,0,.34);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-wrap.is-scrolled .site-nav{
  background:rgba(6,20,26,.88);
  border-color:rgba(47,224,200,.3);
  box-shadow:0 10px 26px rgba(0,0,0,.42);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(47,224,200,.9),rgba(47,224,200,.45));
  color:#04211C;font-weight:700;font-size:18px;
  box-shadow:0 0 18px rgba(47,224,200,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.24;}
.brand-text b{font-size:15.5px;color:var(--text);font-weight:700;letter-spacing:.3px;}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.6px;}
.nav-menu{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;}
.nav-menu a{
  position:relative;
  font-size:13.5px;color:var(--muted);
  padding:8px 12px;border-radius:var(--r-pill);
  white-space:nowrap;transition:color .18s ease,background .18s ease;
}
.nav-menu a:hover{color:var(--text);background:var(--glass);text-decoration:none;}
.nav-menu a.active{color:var(--text);}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:10px;}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:var(--r-btn);
  font-size:13.5px;font-weight:700;color:#04211C;
  background:linear-gradient(135deg,#4BEDD6,#2FE0C8);
  box-shadow:var(--glow);
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-nav:hover{color:#04211C;text-decoration:none;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 32px rgba(47,224,200,.45);}
.btn-nav:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--text);cursor:pointer;
}
.nav-toggle:hover{color:var(--primary);border-color:var(--primary-line);}
.mobile-panel{
  display:none;max-width:var(--container);margin:10px auto 0;
  padding:14px;border-radius:20px;
  background:rgba(6,20,26,.95);
  backdrop-filter:blur(14px);
  border:1px solid var(--primary-line);
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;min-height:56px;padding:0 14px;
  font-size:15px;color:var(--muted);border-radius:12px;
}
.mobile-panel a:hover,.mobile-panel a.active{color:var(--primary);background:var(--glass);text-decoration:none;}
.mobile-panel .btn-nav{justify-content:center;margin-top:10px;min-height:52px;}

/* ---------- 通用区块 ---------- */
main{padding-bottom:20px;}
.section{padding:var(--sec-gap) 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head h2{font-size:30px;}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.6px;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--primary-dim);border:1px solid var(--primary-line);
}
.eyebrow i{font-size:11px;}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;
  background:var(--primary-dim);color:var(--primary);
}
.badge-live{background:rgba(255,176,32,.14);color:var(--accent);}
.badge-over{background:rgba(255,255,255,.08);color:var(--muted);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:56px 0 40px;
  background-image:linear-gradient(180deg,rgba(7,19,24,.78) 0%,rgba(7,19,24,.94) 62%,var(--bg-0) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.hero h1{font-size:44px;letter-spacing:.4px;}
.hero h1 span{color:var(--primary);}
.hero-sub{margin-top:18px;color:#B8CBCF;font-size:16px;max-width:600px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-figure{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--primary-line);
  box-shadow:var(--shadow-1);
  background:#0A1A20;
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-figure .fig-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 16px;font-size:13px;color:#D6E5E7;
  background:linear-gradient(180deg,rgba(4,14,18,0) 0%,rgba(4,14,18,.9) 100%);
}
.hero-figure .fig-badge{
  position:absolute;top:14px;left:14px;
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,176,32,.16);color:var(--accent);
  font-size:12px;font-weight:700;border:1px solid rgba(255,176,32,.32);
}
.hero-figure .fig-badge i{font-size:8px;}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
}
.anchor-bar a{
  padding:8px 18px;border-radius:var(--r-pill);
  font-size:13px;color:var(--muted);border:1px solid transparent;
}
.anchor-bar a:hover{
  color:var(--primary);background:var(--primary-dim);
  border-color:var(--primary-line);text-decoration:none;
}

/* ---------- 卡片矩阵 ---------- */
.card-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.show-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-card);
  background:var(--glass-strong);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.show-card:hover{transform:translateY(-4px);border-color:var(--primary-line);box-shadow:inset 0 0 0 1px rgba(47,224,200,.22),0 18px 40px rgba(0,0,0,.5);}
.show-thumb{position:relative;overflow:hidden;background:#0A1A20;}
.show-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.show-card:hover .show-thumb img{transform:scale(1.03);}
.show-thumb .st-badge{position:absolute;top:12px;left:12px;}
.show-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.show-body h3{font-size:20px;line-height:1.45;}
.show-meta{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
}
.show-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.show-note{font-size:14px;color:var(--muted);line-height:1.75;}
.show-link{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--primary);}
.show-link i{margin-left:6px;font-size:11px;transition:transform .18s ease;}
.show-link:hover i{transform:translateX(3px);}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.prep-item{
  padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease;
}
.prep-item:hover{border-color:var(--primary-line);background:var(--glass-strong);}
.prep-num{font-family:var(--font-mono);font-size:13px;color:rgba(47,224,200,.55);letter-spacing:2px;}
.prep-item h3{font-size:17px;margin-top:10px;}
.prep-item p{font-size:14px;color:var(--muted);margin-top:8px;}

/* ---------- 对比表 ---------- */
.compare-wrap{
  border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
.skin-table{width:100%;min-width:820px;border-collapse:collapse;font-size:14px;}
.skin-table thead th{
  text-align:left;padding:16px 20px;font-size:13px;font-weight:700;
  color:var(--primary);letter-spacing:.8px;
  background:rgba(47,224,200,.07);
  border-bottom:1px solid var(--primary-line);
  white-space:nowrap;
}
.skin-table tbody td{
  padding:16px 20px;color:var(--muted);
  border-bottom:1px solid var(--line);vertical-align:top;
}
.skin-table tbody tr:nth-child(even){background:rgba(255,255,255,.025);}
.skin-table tbody tr:hover{background:rgba(47,224,200,.05);}
.skin-table tbody tr:last-child td{border-bottom:none;}
.skin-table td strong{color:var(--text);font-weight:700;display:block;margin-bottom:4px;font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-col{max-width:900px;}
.accordion-item{
  background:var(--glass);border:1px solid var(--line) !important;
  border-radius:var(--r-card) !important;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--text);
  font-size:16px;font-weight:700;padding:20px 22px;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--primary);background:rgba(47,224,200,.06);}
.accordion-button::after{
  content:"+";background-image:none !important;
  width:auto;height:auto;font-size:20px;font-weight:400;
  color:var(--primary);transform:none;transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.accordion-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;padding:44px 40px;
  background:linear-gradient(120deg,rgba(47,224,200,.13),rgba(255,255,255,.05));
  border:1px solid var(--primary-line);
  backdrop-filter:blur(14px);
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{font-size:26px;}
.cta-inner p{color:var(--muted);font-size:14.5px;margin-top:10px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap;}
.btn-primary-x{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:14px;font-weight:700;color:#04211C;
  background:linear-gradient(135deg,#4BEDD6,#2FE0C8);
  box-shadow:var(--glow);
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease;
}
.btn-primary-x:hover{color:#04211C;text-decoration:none;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 32px rgba(47,224,200,.45);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:14px;font-weight:700;color:var(--text);
  background:transparent;border:1px solid var(--primary-line);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(47,224,200,.08);text-decoration:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;background:var(--surface);
  border-top:1px solid var(--line);padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text b{font-size:15px;}
.site-footer p{color:var(--muted);font-size:13.5px;line-height:1.85;max-width:340px;}
.site-footer h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.5px;}
.site-footer li{font-size:13.5px;color:var(--muted);margin-bottom:10px;line-height:1.7;}
.site-footer li a{font-size:13.5px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){:root{--container:1280px;}}
@media (max-width:1199.98px){
  .hero h1{font-size:38px;}
  .card-matrix{grid-template-columns:repeat(2,1fr);}
  .prep-grid{grid-template-columns:repeat(2,1fr);}
  .nav-menu a{padding:8px 9px;font-size:13px;}
  .brand-text span{display:none;}
}
@media (max-width:991.98px){
  :root{--sec-gap:72px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:32px;}
  .sec-head h2{font-size:26px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:767.98px){
  :root{--sec-gap:56px;}
  .container-x{padding:0 20px;}
  .nav-wrap{top:8px;padding:0 12px;}
  .site-nav{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:8px 10px 8px 12px;}
  .btn-nav{box-shadow:none;}
  .hero{padding:36px 0 28px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:15px;}
  .sec-head h2{font-size:23px;}
  .card-matrix,.prep-grid{grid-template-columns:1fr;}
  .accordion-button{font-size:15px;padding:17px 18px;}
  .cta-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions a{flex:1;justify-content:center;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .hero h1{font-size:25px;}
  .brand-text b{font-size:14px;}
  .anchor-bar{padding:10px;gap:8px;border-radius:18px;}
  .anchor-bar a{padding:7px 14px;font-size:12.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 22px;}
}

/* roulang page: category3 */
:root{
  --bg:#071318;
  --bg-soft:#0C2029;
  --bg-deep:#050E12;
  --primary:#2FE0C8;
  --primary-dark:#1AA894;
  --primary-12:rgba(47,224,200,.12);
  --primary-16:rgba(47,224,200,.16);
  --accent:#FFB020;
  --text:#E8F1F2;
  --muted:#93A8AE;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.08);
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --shadow-soft:0 18px 40px rgba(0,0,0,.45);
  --shadow-inset:inset 0 1px 0 rgba(255,255,255,.08);
  --glow:0 0 24px rgba(47,224,200,.35);
  --glow-lg:0 0 32px rgba(47,224,200,.42);
  --gap-section:96px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --bs-primary:#2FE0C8;
  --bs-primary-rgb:47,224,200;
  --bs-body-bg:#071318;
  --bs-body-color:#E8F1F2;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#93A8AE;
  --bs-link-hover-color:#2FE0C8;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:transparent;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-color:#E8F1F2;
  --bs-accordion-active-color:#2FE0C8;
  --bs-accordion-active-bg:rgba(47,224,200,.06);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,#071318 0%,#0C2029 52%,#071318 100%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--muted);text-decoration:none;transition:color .18s ease,text-decoration-color .18s ease;}
a:hover{color:var(--primary);text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text);}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

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

/* ---------- 导航 ---------- */
.nav-wrap{position:sticky;top:0;z-index:120;padding:16px 0 0;transition:padding .25s ease;}
.site-nav{
  display:flex;align-items:center;gap:20px;
  padding:10px 14px 10px 14px;
  border-radius:var(--r-pill);
  background:rgba(9,26,32,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--primary-16);
  box-shadow:var(--shadow-soft),var(--shadow-inset);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-wrap.scrolled .site-nav{
  background:rgba(7,19,24,.94);
  border-color:rgba(47,224,200,.32);
  box-shadow:0 10px 26px rgba(0,0,0,.5),var(--shadow-inset);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,#2FE0C8,#17897B);
  color:#04181B;font-weight:700;font-size:18px;
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.2px;}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.6px;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  position:relative;
  padding:10px 14px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-menu a.active{color:var(--primary);}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);box-shadow:var(--glow);
}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--primary);
  color:#04181B;font-size:14.5px;font-weight:700;
  box-shadow:var(--glow);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-nav:hover{color:#04181B;filter:brightness(1.08);box-shadow:var(--glow-lg);transform:translateY(-2px);}
.btn-nav:active{transform:translateY(0);box-shadow:var(--glow);}
.nav-toggle{
  display:none;width:44px;height:44px;
  border-radius:12px;border:1px solid var(--primary-16);
  background:var(--glass);color:var(--text);font-size:16px;
  cursor:pointer;
}
.mobile-panel{display:none;}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  margin-top:28px;
  padding:72px 0 64px;
  border-radius:24px;
  overflow:hidden;
  background-image:linear-gradient(120deg,rgba(7,19,24,.94) 0%,rgba(9,32,40,.82) 55%,rgba(7,19,24,.92) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,224,200,.6),transparent);
}
.page-hero .container-x{position:relative;z-index:2;}
.hero-inner{max-width:760px;}
.pill-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:20px;
  border-radius:var(--r-pill);
  background:var(--primary-12);
  border:1px solid var(--primary-16);
  color:var(--primary);font-size:12.5px;letter-spacing:1px;
}
.pill-tag i{font-size:8px;}
.page-hero h1{
  font-size:44px;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.hero-sub{font-size:17px;color:#B9CACF;max-width:640px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.btn-primary-x{
  display:inline-flex;align-items:center;gap:10px;
  height:50px;padding:0 26px;
  border-radius:var(--r-btn);
  background:var(--primary);color:#04181B;
  font-weight:700;font-size:15px;
  box-shadow:var(--glow);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-primary-x:hover{color:#04181B;filter:brightness(1.08);box-shadow:var(--glow-lg);transform:translateY(-2px);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{
  display:inline-flex;align-items:center;gap:10px;
  height:50px;padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid var(--primary-16);
  background:rgba(255,255,255,.04);
  color:var(--text);font-size:15px;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost-x:hover{color:var(--primary);border-color:rgba(47,224,200,.4);transform:translateY(-2px);}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13px;color:var(--muted);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--primary);font-size:12px;}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:88px;z-index:90;
  display:flex;gap:10px;overflow-x:auto;
  margin-top:26px;padding:12px;
  border-radius:var(--r-pill);
  background:rgba(9,26,32,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-bar a{
  flex:0 0 auto;
  height:34px;padding:0 16px;
  display:inline-flex;align-items:center;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  background:rgba(255,255,255,.05);
  color:var(--muted);font-size:13.5px;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.anchor-bar a:hover{color:var(--primary);background:var(--primary-12);border-color:var(--primary-16);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--gap-section) 0 0;}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head h2{font-size:30px;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:2px;
  color:var(--primary);text-transform:uppercase;
}

/* ---------- 卖点条 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.value-card{
  padding:24px 22px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.value-card:hover{border-color:var(--primary-16);transform:translateY(-4px);box-shadow:var(--shadow-soft);}
.value-card .icon{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-12);color:var(--primary);
  margin-bottom:16px;font-size:17px;
}
.value-card h3{font-size:17px;margin-bottom:8px;}
.value-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- 快速排查流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-item{
  position:relative;
  padding:26px 22px 24px;
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);
}
.flow-item .num{
  font-family:var(--font-mono);font-size:13px;letter-spacing:2px;
  color:rgba(47,224,200,.55);margin-bottom:14px;display:block;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--muted);}

/* ---------- 双栏问答 ---------- */
.qa-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;}
.qa-group{margin-bottom:48px;}
.qa-group:last-child{margin-bottom:0;}
.qa-group-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.qa-group-head h2{font-size:24px;}
.qa-group-head .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:var(--glow);flex:0 0 8px;}
.qa-group-desc{color:var(--muted);font-size:14px;margin:-8px 0 20px;}

.qa-accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.qa-accordion .accordion-item:hover{border-color:var(--primary-16);}
.qa-accordion .accordion-header{margin:0;}
.qa-accordion .accordion-button{
  display:flex;align-items:center;gap:14px;
  width:100%;padding:18px 20px;
  background:transparent;
  color:var(--text);
  font-size:16px;font-weight:400;line-height:1.6;
  border:0;box-shadow:none;
  transition:background .2s ease,color .2s ease;
}
.qa-accordion .accordion-button:not(.collapsed){
  background:rgba(47,224,200,.06);
  color:var(--primary);
}
.qa-accordion .accordion-button::after{display:none;}
.qa-accordion .accordion-button::before{
  content:"+";
  order:2;
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:18px;line-height:1;
  color:var(--primary);
  transition:transform .2s ease;
}
.qa-accordion .accordion-button:not(.collapsed)::before{content:"−";}
.qa-accordion .accordion-body{
  padding:2px 20px 20px;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.85;
  border-top:1px solid var(--line);
  margin:0 20px 0;
  padding-left:0;padding-right:0;
}
.qa-accordion .accordion-body strong{color:var(--text);font-weight:700;}
.qa-accordion .accordion-collapse{transition:height .2s ease;}

/* 右栏 */
.qa-side{position:sticky;top:150px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  padding:22px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-inset);
}
.side-card h3{font-size:15px;margin-bottom:14px;letter-spacing:.4px;}
.side-card h3 i{color:var(--primary);margin-right:8px;}
.side-links li{margin-bottom:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--muted);
  padding:8px 10px;border-radius:10px;
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.side-links a:hover{background:var(--primary-12);color:var(--primary);padding-left:14px;}
.side-links a span{font-family:var(--font-mono);font-size:12px;opacity:.6;}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.8;}
.side-cover{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);margin-bottom:16px;}
.side-cover img{width:100%;height:150px;object-fit:cover;}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;margin-top:16px;
  border-radius:var(--r-btn);
  background:var(--primary);color:#04181B;font-weight:700;font-size:14.5px;
  box-shadow:var(--glow);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.side-cta:hover{color:#04181B;filter:brightness(1.08);box-shadow:var(--glow-lg);transform:translateY(-2px);}
.side-back{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);padding:6px 0;
}
.side-back:hover{color:var(--primary);}

/* ---------- 反馈区 ---------- */
.feedback-box{
  display:grid;grid-template-columns:1.1fr .9fr;gap:28px;
  padding:34px;
  border-radius:20px;
  background:var(--glass);
  border:1px solid var(--primary-16);
  box-shadow:var(--shadow-soft);
}
.feedback-box h2{font-size:26px;margin-bottom:12px;}
.feedback-box p{color:var(--muted);font-size:14.5px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:#C4D4D8;margin-bottom:12px;
}
.check-list i{color:var(--primary);margin-top:6px;font-size:12px;}
.feedback-form .field{margin-bottom:14px;}
.feedback-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}
.feedback-form input,.feedback-form textarea{
  width:100%;padding:13px 16px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);font-size:14.5px;
  font-family:inherit;
  transition:border-color .18s ease,background .18s ease;
}
.feedback-form textarea{resize:vertical;min-height:96px;}
.feedback-form input::placeholder,.feedback-form textarea::placeholder{color:rgba(147,168,174,.6);}
.feedback-form input:focus,.feedback-form textarea:focus{
  outline:none;border-color:var(--primary);background:rgba(47,224,200,.06);
}
.feedback-form .submit-btn{
  width:100%;height:48px;border:0;border-radius:var(--r-btn);
  background:var(--primary);color:#04181B;font-weight:700;font-size:15px;
  box-shadow:var(--glow);cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.feedback-form .submit-btn:hover{filter:brightness(1.08);box-shadow:var(--glow-lg);transform:translateY(-2px);}
.feedback-form .submit-btn:active{transform:translateY(0);}
.form-tip{font-size:12px;color:rgba(147,168,174,.8);margin-top:10px;}

/* ---------- 底部 CTA ---------- */
.cta-bar{
  position:relative;
  margin-top:var(--gap-section);
  padding:38px 40px;
  border-radius:20px;
  background:var(--glass);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  overflow:hidden;
}
.cta-bar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,224,200,.75),transparent);
}
.cta-bar h2{font-size:24px;margin-bottom:8px;}
.cta-bar p{color:var(--muted);font-size:14.5px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--gap-section);
  padding:64px 0 0;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-text b{font-size:16px;}
.site-footer p{color:var(--muted);font-size:14px;line-height:1.85;}
.site-footer h4{font-size:14.5px;margin-bottom:16px;letter-spacing:.4px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a,.site-footer ul li{font-size:14px;color:var(--muted);}
.site-footer ul a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(147,168,174,.85);
}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .container-x{max-width:1280px;}
}
@media (max-width:1199px){
  .nav-menu a{padding:10px 10px;font-size:13.5px;}
  .qa-layout{grid-template-columns:minmax(0,1fr) 288px;gap:28px;}
}
@media (max-width:991px){
  :root{--gap-section:72px;}
  .nav-menu,.nav-cta .btn-nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .site-nav{justify-content:space-between;}
  .brand-text span{display:none;}
  .mobile-panel{
    display:none;
    flex-direction:column;
    margin-top:12px;
    padding:16px;
    border-radius:20px;
    background:rgba(9,26,32,.96);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border:1px solid var(--primary-16);
    box-shadow:var(--shadow-soft);
  }
  .mobile-panel.open{display:flex;}
  .mobile-panel a{
    min-height:56px;display:flex;align-items:center;
    padding:0 8px;font-size:15px;color:var(--muted);
    border-bottom:1px solid var(--line);
  }
  .mobile-panel a.active{color:var(--primary);}
  .mobile-panel a.btn-nav{
    margin-top:14px;border-bottom:0;justify-content:center;color:#04181B;
  }
  .page-hero{padding:56px 0 50px;border-radius:20px;}
  .page-hero h1{font-size:32px;}
  .hero-sub{font-size:15.5px;}
  .qa-layout{grid-template-columns:1fr;}
  .qa-side{position:static;top:auto;}
  .value-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .feedback-box{grid-template-columns:1fr;padding:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .anchor-bar{top:80px;}
  .anchor-bar a{backdrop-filter:none;}
}
@media (max-width:767px){
  :root{--gap-section:60px;}
  body{font-size:15px;}
  .page-hero h1{font-size:26px;}
  .section-head h2{font-size:23px;}
  .qa-group-head h2{font-size:20px;}
  .cta-bar{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-bar h2{font-size:20px;}
  .value-grid,.flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .glass-blur-reduce,.site-nav,.anchor-bar{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
  .btn-nav,.side-cta,.btn-primary-x{box-shadow:none;}
}
@media (max-width:575px){
  .container-x{padding:0 20px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-primary-x,.btn-ghost-x{justify-content:center;width:100%;}
  .page-hero h1{font-size:23px;line-height:1.4;}
  .qa-accordion .accordion-button{font-size:15px;padding:16px 16px;}
  .qa-accordion .accordion-body{margin:0 16px;}
  .side-card{padding:18px;}
}