/* roulang page: index */
:root{
  --bg:#0B0D10;
  --bg-2:#12151A;
  --card:#1A1F26;
  --field:#14171C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(201,240,60,.35);
  --accent:#C9F03C;
  --accent-soft:#D8FF55;
  --accent-dim:rgba(201,240,60,.14);
  --warn:#FF7A2F;
  --pop:#FF3D8B;
  --text:#F2F5F7;
  --text-2:#A9B2BC;
  --text-3:#6B7580;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 10px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(201,240,60,.55),0 0 22px rgba(201,240,60,.22);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:var(--accent);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-soft)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
}
.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:var(--sp-9) 0;position:relative}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);margin-bottom:var(--sp-6);flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.01em}
.section-head .sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}
.link-more{font-size:14px;color:var(--text-2);border-bottom:2px solid transparent;padding-bottom:2px;white-space:nowrap}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;min-height:44px;padding:0 28px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--accent);color:#0B0D10}
.btn-primary:hover{background:var(--accent-soft);color:#0B0D10;transform:translateY(-1px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{color:var(--accent);border-color:var(--accent);background:rgba(201,240,60,.12);transform:translateY(-1px)}
.btn-block{width:100%}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;line-height:1.6;
  background:var(--accent-dim);color:var(--accent);border:1px solid rgba(201,240,60,.28);
}
.tag-muted{background:rgba(255,255,255,.05);color:var(--text-2);border-color:var(--line)}

/* ---------- 顶部倒计时条 ---------- */
.ticker{background:var(--field);border-bottom:1px solid var(--line);position:relative}
.ticker::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}
.ticker-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);height:44px;font-size:14px}
.ticker-label{color:var(--text-2);display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticker-label i{color:var(--accent);font-size:12px}
.ticker-label b{color:var(--text);font-weight:700}
.ticker-clock{display:flex;align-items:center;gap:8px;flex-shrink:0}
.clock-cell{
  min-width:52px;text-align:center;padding:3px 8px;border-radius:8px;
  background:rgba(255,122,47,.10);border:1px solid rgba(255,122,47,.28);
  font-variant-numeric:tabular-nums;
}
.clock-cell span{display:block;font-size:12px;color:var(--text-3);line-height:1.3}
.clock-cell strong{display:block;font-size:16px;font-weight:700;color:var(--warn);line-height:1.35}
.ticker-clock .sep{color:var(--warn);font-weight:700;opacity:.6}

/* ---------- 导航 ---------- */
.site-header{position:relative;z-index:70}
.nav-bar{
  position:sticky;top:0;z-index:60;
  background:rgba(11,13,16,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  border:1.5px solid var(--accent);color:var(--accent);
  display:grid;place-items:center;font-size:16px;
  box-shadow:0 0 14px rgba(201,240,60,.18);
  transition:box-shadow .25s ease,transform .25s ease;
}
.brand:hover .brand-mark{box-shadow:0 0 20px rgba(201,240,60,.4);transform:translateY(-1px)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:800;color:var(--text);letter-spacing:.02em}
.brand-sub{font-size:12.5px;color:var(--text-2);letter-spacing:.05em}
.brand:hover .brand-sub{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:30px;margin:0;padding:0}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:72px;
  font-size:15px;color:var(--text-2);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .26s ease;box-shadow:0 0 12px rgba(201,240,60,.6);
}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{height:42px;min-height:42px;padding:0 22px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid var(--line);color:var(--text);
  cursor:pointer;align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:120;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(105%);transition:transform .3s ease;
  padding:20px;display:flex;flex-direction:column;gap:6px;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:12px}
.drawer-head span{font-size:14px;color:var(--text-2)}
.drawer-close{width:40px;height:40px;border-radius:10px;background:transparent;border:1px solid var(--line);color:var(--text);cursor:pointer}
.drawer-close:hover{border-color:var(--accent);color:var(--accent)}
.drawer-link{
  display:flex;align-items:center;gap:10px;
  padding:14px 12px;border-radius:10px;color:var(--text-2);font-size:15px;
  border-left:3px solid transparent;min-height:44px;
}
.drawer-link:hover{background:rgba(255,255,255,.04);color:var(--text)}
.drawer-link.active{color:var(--accent);background:var(--accent-dim);border-left-color:var(--accent)}

/* ---------- Hero ---------- */
.hero{padding:64px 0 72px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px 300px at 12% -10%,rgba(201,240,60,.10),transparent 70%);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;
  gap:var(--sp-7);align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--accent);
  background:var(--accent-dim);border:1px solid rgba(201,240,60,.3);
}
.eyebrow i{font-size:11px}
.hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;
  letter-spacing:-.012em;margin-top:18px;
}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{margin-top:16px;font-size:17px;color:var(--text-2);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats li{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;color:var(--text-2);
  background:rgba(26,31,38,.9);border:1px solid var(--line);
}
.hero-stats strong{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums}
.hero-visual{position:relative;padding:0 12px 12px 0}
.hero-frame{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid rgba(201,240,60,.32);box-shadow:var(--shadow-card);
}
.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;right:0;bottom:0;width:calc(100% - 24px);height:calc(100% - 24px);
  border-right:1px solid rgba(201,240,60,.45);border-bottom:1px solid rgba(201,240,60,.45);
  border-radius:0 0 12px 0;pointer-events:none;
}
.hero-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  color:var(--accent);background:rgba(11,13,16,.78);border:1px solid rgba(201,240,60,.5);
  backdrop-filter:blur(6px);
}

/* ---------- 数据条 ---------- */
.metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.metric{background:var(--bg-2);padding:26px 22px;transition:background .25s ease}
.metric:hover{background:rgba(201,240,60,.05)}
.metric b{display:block;font-size:30px;font-weight:800;color:var(--accent);line-height:1.2;font-variant-numeric:tabular-nums}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-2)}

/* ---------- 卖点错位网格 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.point{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.point::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:var(--accent);transition:width .32s ease;
}
.point:hover{transform:translateY(-2px);border-color:rgba(201,240,60,.45);box-shadow:var(--shadow-card)}
.point:hover::before{width:100%}
.point-num{
  font-size:60px;font-weight:800;line-height:1;
  color:rgba(201,240,60,.18);font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.point h3{font-size:20px;line-height:1.4;font-weight:700;margin-bottom:10px}
.point p{font-size:15px;color:var(--text-2);line-height:1.85}
.point-main{grid-column:span 7;grid-row:span 2;display:flex;flex-direction:column;justify-content:center;min-height:300px}
.point-side{grid-column:span 5}
.point-side .point-num{font-size:38px;margin-bottom:10px}
.point-side h3{font-size:18px}
.point-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.point-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.point-list i{color:var(--accent);font-size:12px;margin-top:7px;flex-shrink:0}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-item{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:4/3;background:#0B0D10;
  transition:border-color .25s ease;
}
.gallery-item:hover{border-color:rgba(201,240,60,.45)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gallery-item:hover img{transform:scale(1.04)}
.gallery-tag{position:absolute;left:12px;top:12px;z-index:2;backdrop-filter:blur(4px)}
.gallery-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:26px 16px 14px;font-size:15px;font-weight:700;color:var(--text);
  background:linear-gradient(transparent,rgba(11,13,16,.94));
  opacity:0;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease;
}
.gallery-item:hover .gallery-cap{opacity:1;transform:translateY(0)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  display:grid;grid-template-columns:190px 1fr;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;color:inherit;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(201,240,60,.45);box-shadow:var(--shadow-card);color:inherit}
.news-thumb{border-radius:var(--radius-img);overflow:hidden;background:#0B0D10;aspect-ratio:16/10;align-self:start}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;min-width:0}
.news-body h3{
  font-size:17px;line-height:1.5;font-weight:700;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-body h3{color:var(--accent)}
.news-body p{
  margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.news-meta .tag{font-size:12px;padding:2px 10px}
.news-meta .arrow{margin-left:auto;color:var(--accent);font-weight:700;transition:transform .25s ease}
.news-card:hover .arrow{transform:translateX(4px)}
.empty-state{
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-card);
  min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--text-3);font-size:14px;background:rgba(26,31,38,.4);
}
.empty-state i{font-size:22px;color:rgba(201,240,60,.55)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-item{
  position:relative;padding:24px 22px 22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:border-color .25s ease,transform .25s ease;
}
.flow-item:hover{border-color:rgba(201,240,60,.45);transform:translateY(-2px)}
.flow-step{
  font-size:13px;font-weight:700;color:var(--warn);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.flow-item h3{font-size:17px;font-weight:700;margin:10px 0 8px}
.flow-item p{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- CTA 报名 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line-strong);border-radius:var(--radius-card);
  padding:44px;
  display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-7);align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-40px;width:280px;height:280px;
  background:repeating-linear-gradient(135deg,rgba(201,240,60,.09) 0 2px,transparent 2px 16px);
  transform:rotate(8deg);pointer-events:none;
}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:800}
.cta-copy p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:440px}
.cta-copy .cta-note{margin-top:20px;font-size:13.5px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.cta-copy .cta-note i{color:var(--accent)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1/-1}
.field label{font-size:14px;color:var(--text-2)}
.field label .req{color:var(--warn);margin-left:2px}
.field input,.field select{
  height:48px;padding:0 14px;border-radius:var(--radius-btn);
  background:var(--field);border:1px solid var(--line);color:var(--text);
  font-size:15px;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,240,60,.16);outline:none;
}
.field select option{background:var(--field);color:var(--text)}
.form-tip{font-size:13px;color:var(--text-3);line-height:1.7}
.form-msg{
  margin-top:12px;font-size:13.5px;color:var(--accent);
  display:none;align-items:center;gap:8px;
}
.form-msg.is-show{display:flex}

/* ---------- FAQ ---------- */
.faq{max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;background:transparent;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);text-align:left;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;color:var(--accent);
  background:var(--accent-dim);font-size:13px;transition:transform .25s ease;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:0 4px 20px;font-size:15px;color:var(--text-2);line-height:1.85}
.faq-a.is-open{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);position:relative}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--sp-6);
  padding:64px 0 40px;
}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:280px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:var(--text-2);line-height:1.7}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:8px;align-items:flex-start}
.footer-contact i{color:var(--accent);font-size:13px;margin-top:6px;flex-shrink:0}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .section{padding:64px 0}
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:560px}
  .points-grid{grid-template-columns:1fr 1fr}
  .point-main{grid-column:span 2;grid-row:auto;min-height:0}
  .point-side{grid-column:span 1}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:32px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .nav-links{gap:20px}
  .nav-cta{display:none}
}
@media screen and (max-width:640px){
  .grid-container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .ticker-inner{height:40px;font-size:12.5px;gap:8px}
  .ticker-label{font-size:12.5px;max-width:44%}
  .ticker-clock{gap:4px}
  .clock-cell{min-width:38px;padding:1px 5px}
  .clock-cell span{font-size:10px}
  .clock-cell strong{font-size:13px}
  .ticker-clock .sep{display:none}
  .nav-inner{height:60px}
  .brand-mark{width:34px;height:34px;font-size:14px}
  .brand-main{font-size:15px}
  .brand-sub{font-size:11.5px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero h1{font-size:28px;line-height:1.3}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stats li{font-size:12.5px;padding:6px 12px}
  .points-grid{grid-template-columns:1fr}
  .point-main,.point-side{grid-column:span 1}
  .gallery{grid-template-columns:repeat(2,1fr);gap:12px}
  .gallery-cap{opacity:1;transform:none;font-size:13px;padding:22px 12px 10px}
  .news-card{grid-template-columns:1fr;gap:12px;padding:14px}
  .news-thumb{aspect-ratio:16/9}
  .flow{grid-template-columns:1fr}
  .cta-band{padding:24px;border-radius:14px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric{padding:18px 16px}
  .metric b{font-size:24px}
  .section-head{margin-bottom:24px}
  .faq-q{font-size:15.5px;padding:16px 2px}
}

/* roulang page: article */
:root{
  --bg:#0B0D10;
  --surface:#12151A;
  --card:#1A1F26;
  --field:#14171C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(201,240,60,.35);
  --accent:#C9F03C;
  --accent-light:#D8FF55;
  --accent-soft:rgba(201,240,60,.14);
  --warn:#FF7A2F;
  --pink:#FF3D8B;
  --text:#F2F5F7;
  --text-2:#A9B2BC;
  --text-3:#6B7580;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 10px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(201,240,60,.55), 0 0 22px rgba(201,240,60,.22);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
ul,ol{margin:0;padding:0}
li{list-style:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;width:100%}

/* ---------- 顶栏倒计时 ---------- */
.site-header{position:relative;z-index:80}
.ticker{background:var(--field);border-bottom:1px solid var(--line);height:44px}
.ticker-inner{display:flex;align-items:center;justify-content:space-between;height:44px;gap:16px}
.ticker-label{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);border-left:3px solid var(--accent);padding-left:12px;line-height:1.2}
.ticker-label i{color:var(--accent);font-size:13px}
.ticker-label b{color:var(--text);font-weight:600}
.ticker-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.clock-cell{display:flex;align-items:baseline;gap:3px}
.clock-cell span{font-size:12px;color:var(--text-3)}
.clock-cell strong{font-size:18px;font-weight:700;color:var(--warn);letter-spacing:.02em}
.ticker-clock .sep{color:rgba(255,255,255,.22);font-weight:400;font-size:14px}

/* ---------- 导航 ---------- */
.nav-bar{
  position:sticky;top:0;z-index:90;
  background:rgba(11,13,16,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line-strong);background:var(--accent-soft);color:var(--accent);font-size:16px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.brand:hover .brand-mark{box-shadow:var(--glow);transform:translateY(-1px)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--text)}
.brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:72px;
  font-size:15px;color:var(--text-2);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;
  background:transparent;transition:background-color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{background:var(--accent);box-shadow:0 0 12px rgba(201,240,60,.6)}
.nav-right{display:flex;align-items:center;gap:12px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;min-height:44px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#0B0D10}
.btn-primary:hover{background:var(--accent-light);color:#0B0D10;transform:translateY(-1px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.22);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(201,240,60,.12);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.text-link{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;font-weight:600}
.text-link:hover{color:var(--accent-light)}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:transparent;
  color:var(--text);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;z-index:110;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s ease;z-index:120;
  padding:20px;display:flex;flex-direction:column;gap:6px;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:var(--text);font-size:17px;cursor:pointer;
}
.drawer-close:hover{color:var(--accent);border-color:var(--accent)}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  border-left:3px solid transparent;border-radius:0 10px 10px 0;
  color:var(--text-2);font-size:15px;
}
.nav-drawer a.drawer-link:hover{background:rgba(255,255,255,.04);color:var(--text)}
.nav-drawer a.drawer-link.active{border-left-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.nav-drawer .btn{margin-top:16px;width:100%}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding-top:26px}
.crumb{font-size:13px;color:var(--text-2);display:flex;flex-wrap:wrap;align-items:center;gap:2px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{margin:0 8px;color:var(--text-3)}
.crumb .current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-head{max-width:800px;margin:0 auto;padding:34px 0 26px;text-align:center}
.article-head h1{
  font-size:clamp(26px,3vw,38px);line-height:1.32;font-weight:700;
  letter-spacing:.01em;margin-bottom:20px;
}
.meta-row{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:10px 16px;font-size:13px;color:var(--text-2);
}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--accent-soft);border:1px solid var(--line-strong);
  color:var(--accent);font-size:12.5px;font-weight:600;
}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.meta-item i{color:var(--text-3)}
.head-rule{max-width:800px;margin:24px auto 0;height:1px;background:var(--line)}

/* ---------- 主侧布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:48px;padding:36px 0 72px;align-items:start;
}
.article-main{min-width:0}
.article-body{
  font-size:17px;line-height:1.9;color:#DDE3E9;max-width:760px;
}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;color:var(--text);
  margin:40px 0 16px;padding-left:12px;border-left:3px solid var(--accent);
}
.article-body h3{font-size:20px;line-height:1.4;color:var(--text);margin:30px 0 12px}
.article-body h4{font-size:17px;color:var(--text);margin:24px 0 10px}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-light)}
.article-body strong{color:var(--text);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:22px}
.article-body ul li{list-style:disc;margin-bottom:8px}
.article-body ol li{list-style:decimal;margin-bottom:8px}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--accent);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;background:var(--field);
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:26px 0}
.article-body img{border-radius:var(--radius-img);width:100%;height:auto}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;line-height:1.6}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--field);color:var(--text)}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body code{
  background:var(--field);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;font-size:14px;color:var(--accent-light);
}
.article-empty{
  max-width:760px;border:1px dashed rgba(255,255,255,.18);border-radius:var(--radius-card);
  background:var(--surface);padding:56px 24px;text-align:center;min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.article-empty i{font-size:30px;color:var(--text-3)}
.article-empty h2{font-size:20px;border:0;padding:0;margin:0}
.article-empty p{color:var(--text-2);font-size:14px;margin:0}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;align-self:start}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{
  display:block;padding:12px 0;font-size:14px;line-height:1.6;color:var(--text-2);
}
.side-list a:hover{color:var(--accent)}
.side-list .side-time{display:block;margin-top:4px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.tag-group{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;
  background:var(--field);border:1px solid var(--line);color:var(--text-2);font-size:13px;
}
.tag:hover{color:var(--accent);border-color:var(--line-strong);background:rgba(201,240,60,.08)}
.side-card .btn{width:100%}
.side-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:12px}

/* ---------- 文章底部操作 ---------- */
.article-actions{
  max-width:760px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:28px;margin-top:12px;border-top:1px solid var(--line);flex-wrap:wrap;
}
.article-actions .to-top{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px}
.article-actions .to-top:hover{color:var(--accent)}

/* ---------- 相关推荐 ---------- */
.related{max-width:760px;margin-top:48px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-head h2{font-size:22px;font-weight:700}
.related-head a{font-size:14px;color:var(--text-2)}
.related-head a:hover{color:var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.related-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--glow)}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--field)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .body{padding:16px}
.related-card h3{font-size:16px;line-height:1.55;color:var(--text);margin-bottom:10px}
.related-card:hover h3{color:var(--accent)}
.related-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);position:relative;margin-top:20px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(201,240,60,0),var(--accent) 30%,rgba(201,240,60,.25) 70%,rgba(201,240,60,0));
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;padding:64px 0 44px;
}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;line-height:1.7;max-width:220px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.footer-contact i{color:var(--accent);font-size:13px;margin-top:6px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-container{padding-left:20px;padding-right:20px}
  .nav-inner{height:64px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-bottom:56px}
  .side{position:static;margin-top:36px;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
}
@media (max-width:768px){
  .ticker-inner{gap:10px}
  .ticker-label{font-size:13px;padding-left:10px}
  .ticker-label span{display:inline}
  .clock-cell strong{font-size:16px}
  .article-head{padding:26px 0 20px}
  .article-body{font-size:16.5px;line-height:1.9}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .side{flex-direction:column}
  .side-card{flex:auto;width:100%}
}
@media (max-width:640px){
  .grid-container{padding-left:16px;padding-right:16px}
  .ticker{height:40px}
  .ticker-inner{height:40px}
  .ticker-label b{display:none}
  .clock-cell span{display:none}
  .nav-inner{height:60px}
  .brand-main{font-size:15px}
  .brand-sub{font-size:11px}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .crumb-wrap{padding-top:18px}
  .article-head h1{font-size:24px}
  .meta-row{font-size:12.5px;gap:8px 12px}
  .article-actions{flex-direction:column;align-items:flex-start}
  .article-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-body h2{margin-top:32px}
}

/* roulang page: category1 */
:root{
  --bg:#0B0D10;
  --bg-2:#12151A;
  --card:#1A1F26;
  --field:#14171C;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.16);
  --line-lime:rgba(201,240,60,.35);
  --lime:#C9F03C;
  --lime-light:#D8FF55;
  --lime-soft:rgba(201,240,60,.14);
  --orange:#FF7A2F;
  --pink:#FF3D8B;
  --text:#F2F5F7;
  --muted:#A9B2BC;
  --faint:#6B7580;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(201,240,60,.55),0 0 22px rgba(201,240,60,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;border:0}
a{color:var(--lime);text-decoration:none;transition:color .18s ease,border-color .18s ease}
a:hover{color:var(--lime-light)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:800;letter-spacing:0;line-height:1.3}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:20px;line-height:1.4}
p{margin:0 0 1.15em;color:var(--muted);font-size:16px;line-height:1.85}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-container::before,.grid-container::after{display:none}
/* ============ 顶部倒计时条 ============ */
.site-header{position:sticky;top:0;z-index:90;background:rgba(11,13,16,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.ticker{background:var(--field);border-bottom:1px solid var(--line)}
.ticker-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:44px;max-width:1200px}
.ticker-label{display:flex;align-items:center;gap:10px;border-left:3px solid var(--lime);padding-left:12px;font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticker-label i{color:var(--lime);font-size:13px}
.ticker-label b{color:var(--text);font-weight:700}
.ticker-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.clock-cell{display:flex;align-items:baseline;gap:4px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:8px;padding:2px 9px}
.clock-cell span{font-size:11px;color:var(--faint)}
.clock-cell strong{font-size:17px;color:var(--orange);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.5}
.ticker-clock .sep{color:var(--faint);font-size:14px}
/* ============ 导航 ============ */
.nav-bar{border-bottom:1px solid var(--line);background:rgba(11,13,16,.92)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;max-width:1200px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  border:1px solid var(--line-lime);
  background:var(--lime-soft);
  color:var(--lime);display:flex;align-items:center;justify-content:center;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.02em}
.brand-sub{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
.nav-links li{margin:0}
.nav-links a{
  display:block;position:relative;padding:10px 14px;min-height:44px;
  font-size:15px;color:var(--muted);border-radius:8px;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--lime);opacity:0;transition:opacity .18s ease,box-shadow .18s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{opacity:.55}
.nav-links a.active{color:var(--text);font-weight:700}
.nav-links a.active::after{opacity:1;box-shadow:0 0 12px rgba(201,240,60,.75)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-soft);border-radius:10px;color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--lime);color:#0B0D10;font-weight:700}
.btn-primary:hover{background:var(--lime-light);color:#0B0D10;transform:translateY(-1px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{color:var(--lime);border-color:var(--lime);background:rgba(201,240,60,.12);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.nav-cta{min-height:44px;padding:0 22px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--lime);
  border-bottom:2px solid rgba(201,240,60,.4);padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--lime);color:var(--lime-light)}
.text-link i{font-size:12px;transition:transform .18s ease}
.text-link:hover i{transform:translateX(3px)}
/* ============ 面包屑 ============ */
.crumbs-wrap{border-bottom:1px solid var(--line);background:rgba(18,21,26,.6)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:var(--faint)}
.crumbs .current{color:var(--text);font-weight:600}
/* ============ 页头 ============ */
.page-head{position:relative;padding:64px 0 56px;background:
  radial-gradient(900px 320px at 82% 0%,rgba(201,240,60,.10),transparent 62%),
  linear-gradient(180deg,#0E1116 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-head-inner{display:grid;grid-template-columns:1.35fr .85fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;border:1px solid var(--line-lime);
  background:var(--lime-soft);color:var(--lime);
  font-size:13px;font-weight:700;margin-bottom:18px;
}
.page-head h1{margin-bottom:18px}
.page-head h1 .hl{color:var(--lime)}
.page-head .lead{max-width:620px;font-size:16.5px;color:var(--muted);line-height:1.85}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.page-head-media{position:relative}
.page-head-media img{
  width:100%;height:auto;border-radius:var(--r-img);
  border:1px solid var(--line-lime);
  box-shadow:var(--shadow);
  aspect-ratio:16/11;object-fit:cover;
}
.page-head-media::after{
  content:"";position:absolute;right:-10px;bottom:-10px;width:70%;height:60%;
  border:1px solid rgba(201,240,60,.45);border-radius:var(--r-img);z-index:-1;
}
.head-badge{
  position:absolute;left:16px;top:16px;
  padding:5px 12px;border-radius:999px;
  background:rgba(11,13,16,.82);border:1px solid rgba(255,255,255,.22);
  font-size:12.5px;color:var(--text);font-weight:600;
}
/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:116px;z-index:80;
  background:rgba(18,21,26,.96);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;padding-top:12px;padding-bottom:12px;overflow-x:auto}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line-soft);color:var(--muted);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:all .18s ease;
}
.anchor-pill:hover{color:var(--lime);border-color:var(--lime)}
.anchor-pill.is-active{background:var(--lime);border-color:var(--lime);color:#0B0D10;box-shadow:0 0 16px rgba(201,240,60,.28)}
/* ============ 板块通用 ============ */
.block{padding:88px 0}
.block-tight{padding:64px 0}
.block-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-label{display:inline-block;font-size:13px;font-weight:700;color:var(--lime);letter-spacing:.08em;margin-bottom:12px}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--muted)}
/* ============ 图文交替 ============ */
.split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;align-items:center;
}
.split + .split{margin-top:72px}
.split-media{position:relative}
.split-media img{
  width:100%;border-radius:var(--r-img);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:16/10;object-fit:cover;
}
.split-media::before{
  content:"";position:absolute;left:-10px;top:-10px;width:64%;height:52%;
  border:1px solid rgba(201,240,60,.28);border-radius:var(--r-img);
}
.split--reverse .split-media{order:2}
.split--reverse .split-media::before{left:auto;right:-10px}
.split-text h2{margin-bottom:16px}
.split-text h2 .num{
  font-size:13px;font-weight:700;color:var(--lime);letter-spacing:.1em;
  display:block;margin-bottom:10px;
}
.data-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
.data-chip{
  flex:1 1 150px;min-width:140px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;
}
.data-chip b{display:block;font-size:22px;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.3}
.data-chip span{font-size:13px;color:var(--faint)}
/* 步骤列表 */
.steps{margin:24px 0 26px}
.steps li{
  display:flex;gap:16px;padding:14px 0;border-top:1px solid var(--line);
}
.steps li:first-child{border-top:0;padding-top:0}
.steps .step-no{
  flex:0 0 40px;font-size:22px;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1.35;
}
.steps .step-body h3{font-size:16.5px;margin-bottom:4px}
.steps .step-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.7}
/* 要点列表 */
.tick-list{margin:20px 0 24px}
.tick-list li{position:relative;padding-left:24px;margin-bottom:10px;font-size:15px;color:var(--muted)}
.tick-list li::before{
  content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--lime);transform:rotate(45deg);
}
.tick-list li b{color:var(--text);font-weight:700}
/* ============ 迷你 CTA 条 ============ */
.mini-cta{
  position:relative;overflow:hidden;
  border:1px solid var(--line-lime);border-radius:var(--r-card);
  background:linear-gradient(120deg,#151A16 0%,#12151A 60%);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.mini-cta::after{
  content:"";position:absolute;right:-40px;top:-60px;width:280px;height:280px;
  background:repeating-linear-gradient(135deg,rgba(201,240,60,.14) 0 2px,transparent 2px 14px);
  border-radius:50%;pointer-events:none;
}
.mini-cta-text{position:relative;z-index:1;max-width:640px}
.mini-cta-text h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.mini-cta-text p{font-size:15px;margin:0}
.mini-cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
/* ============ FAQ ============ */
.faq-list{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;color:var(--text);text-align:left;
  font-size:17px;font-weight:700;line-height:1.6;
  padding:22px 0;min-height:44px;cursor:pointer;transition:color .18s ease;
}
.faq-q:hover{color:var(--lime)}
.faq-icon{flex:0 0 24px;color:var(--lime);font-size:15px;font-weight:700;text-align:center;transition:transform .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--muted);margin:0;max-width:760px}
/* ============ 页脚 ============ */
.site-footer{background:#080A0C;border-top:1px solid var(--line);padding:64px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--lime),rgba(201,240,60,.15),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--faint);max-width:240px;line-height:1.7}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--muted)}
.footer-col ul a:hover{color:var(--lime)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.footer-contact i{color:var(--lime);font-size:13px;margin-top:6px;flex:0 0 16px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--faint);
}
/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:200;display:none;
  background:rgba(5,6,8,.72);backdrop-filter:blur(4px);
}
.drawer.is-open{display:block}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(320px,84vw);
  background:#0E1116;border-left:1px solid var(--line);
  padding:20px 22px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
}
.drawer-close{
  align-self:flex-end;width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid var(--line-soft);color:var(--text);
  font-size:18px;cursor:pointer;
}
.drawer-close:hover{border-color:var(--lime);color:var(--lime)}
.drawer-links{list-style:none;margin:0;padding:0}
.drawer-links li{border-bottom:1px solid var(--line)}
.drawer-links a{
  display:block;padding:16px 14px;min-height:44px;font-size:15.5px;color:var(--muted);
  border-left:3px solid transparent;
}
.drawer-links a:hover{color:var(--text)}
.drawer-links a.active{color:var(--lime);border-left-color:var(--lime);background:rgba(201,240,60,.06)}
.drawer .btn{width:100%}
/* ============ 响应式 ============ */
@media (max-width:1024px){
  .block{padding:64px 0}
  .split{gap:36px}
  .split + .split{margin-top:56px}
  .page-head{padding:48px 0 44px}
  .page-head-inner{grid-template-columns:1fr;gap:32px}
  .page-head-media{max-width:560px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-links a{padding:10px 10px;font-size:14px}
}
@media (max-width:768px){
  .grid-container{padding-left:16px;padding-right:16px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-inner{height:60px}
  .ticker-inner{height:40px}
  .ticker-label span{font-size:12.5px}
  .clock-cell{padding:2px 7px}
  .clock-cell strong{font-size:15px}
  .anchor-bar{position:static}
  .split{grid-template-columns:1fr;gap:24px}
  .split--reverse .split-media{order:0}
  .mini-cta{padding:26px 22px;flex-direction:column;align-items:flex-start;gap:20px}
  .mini-cta-actions{width:100%}
  .mini-cta-actions .btn{flex:1 1 auto}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .block{padding:48px 0}
  .block-tight{padding:44px 0}
  .section-head{margin-bottom:28px}
  .split + .split{margin-top:44px}
  .head-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .data-chip{flex:1 1 100%}
  .faq-q{font-size:16px;padding:18px 0}
  .page-head-media::after{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg:#0B0D10;
  --surface:#12151A;
  --card:#1A1F26;
  --field:#14171C;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.22);
  --lime:#C9F03C;
  --lime-soft:#D8FF55;
  --lime-tint:rgba(201,240,60,0.14);
  --lime-line:rgba(201,240,60,0.35);
  --orange:#FF7A2F;
  --pink:#FF3D8B;
  --text:#F2F5F7;
  --text-2:#A9B2BC;
  --text-3:#6B7580;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow:0 10px 28px rgba(0,0,0,0.45);
  --glow:0 0 0 1px rgba(201,240,60,0.55), 0 0 22px rgba(201,240,60,0.22);
  --maxw:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
a{color:var(--lime);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--lime-soft);}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ 顶部倒计时条 ============ */
.site-header{position:sticky;top:0;z-index:80;}
.ticker{background:var(--field);border-bottom:1px solid var(--line);}
.ticker-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;border-left:3px solid var(--lime);padding-left:16px;}
.ticker-label{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.ticker-label i{color:var(--lime);font-size:13px;}
.ticker-label b{color:var(--text);font-weight:600;}
.ticker-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.clock-cell{display:flex;align-items:baseline;gap:4px;}
.clock-cell span{font-size:12px;color:var(--text-3);}
.clock-cell strong{font-size:16px;font-weight:700;color:var(--orange);}
.ticker-clock .sep{color:var(--text-3);font-weight:700;}

/* ============ 导航 ============ */
.nav-bar{background:rgba(11,13,16,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{width:40px;height:40px;border-radius:10px;border:1px solid var(--lime-line);background:var(--lime-tint);display:flex;align-items:center;justify-content:center;color:var(--lime);font-size:17px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;}
.nav-links a{position:relative;display:inline-block;padding:8px 0;font-size:15px;color:var(--text-2);}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);opacity:0;transform:scaleX(.4);transition:all .22s ease;}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(201,240,60,.6);}
.nav-links a.active{color:var(--text);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-strong);background:transparent;color:var(--text);font-size:17px;cursor:pointer;}
.nav-toggle:hover{border-color:var(--lime-line);color:var(--lime);}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:all .2s ease;min-width:44px;}
.btn-primary{background:var(--lime);color:#0B0D10;}
.btn-primary:hover{background:var(--lime-soft);color:#0B0D10;transform:translateY(-1px);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--lime-line);color:var(--lime);background:rgba(201,240,60,0.12);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.text-link{color:var(--lime);border-bottom:2px solid rgba(201,240,60,.4);padding-bottom:1px;font-weight:600;}
.text-link:hover{border-bottom-color:var(--lime-soft);}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  padding:32px 0 64px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(11,13,16,.82) 0%, rgba(11,13,16,.96) 70%, var(--bg) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:32px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text);}
.head-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center;}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--lime);background:var(--lime-tint);border:1px solid var(--lime-line);border-radius:999px;padding:5px 14px;margin-bottom:18px;}
.head-copy h1{font-size:clamp(30px,4vw,46px);line-height:1.25;letter-spacing:.01em;margin-bottom:16px;}
.head-copy .lead{font-size:16px;color:var(--text-2);max-width:600px;margin-bottom:24px;}
.head-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--text-2);}
.head-meta span{display:inline-flex;align-items:center;gap:8px;}
.head-meta i{color:var(--lime);font-size:13px;}
.head-figure{position:relative;}
.head-figure img{width:100%;border-radius:var(--radius-img);border:1px solid var(--lime-line);box-shadow:var(--shadow);}
.head-figure::after{content:"";position:absolute;inset:auto -8px -8px auto;width:100%;height:100%;border:1px solid var(--lime-line);border-radius:var(--radius-img);z-index:-1;}

/* ============ 文档布局 ============ */
.doc-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:56px;align-items:start;padding-top:64px;padding-bottom:24px;}
.doc-toc{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 20px;box-shadow:var(--shadow);}
.toc-title{font-size:13px;letter-spacing:.1em;color:var(--text-3);margin:0 0 14px;padding-left:12px;}
.doc-toc ul{list-style:none;}
.doc-toc li{margin-bottom:2px;}
.doc-toc a{display:block;position:relative;padding:10px 12px;font-size:14px;color:var(--text-2);border-radius:8px;border-left:2px solid transparent;transition:all .2s ease;}
.doc-toc a:hover{color:var(--text);background:rgba(255,255,255,0.04);}
.doc-toc a.active{color:var(--lime);background:rgba(201,240,60,0.10);border-left-color:var(--lime);font-weight:600;}
.toc-btn{width:100%;margin-top:18px;}
.doc-body{max-width:820px;}
.doc-section{padding-bottom:36px;margin-bottom:36px;border-bottom:1px solid var(--line);}
.doc-section:last-child{border-bottom:none;margin-bottom:0;}
.doc-section h2{font-size:clamp(22px,2.4vw,30px);display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;}
.sec-num{flex:0 0 auto;font-size:15px;font-weight:700;color:#0B0D10;background:var(--lime);border-radius:8px;padding:2px 9px;font-variant-numeric:tabular-nums;margin-top:6px;}
.doc-section p{font-size:17px;line-height:1.9;color:var(--text-2);}
.doc-section p strong{color:var(--text);font-weight:600;}

/* 步骤列表 */
.step-list{list-style:none;margin:22px 0 4px;}
.step-list li{display:grid;grid-template-columns:66px minmax(0,1fr);gap:16px;align-items:start;padding:16px 0;border-top:1px dashed rgba(255,255,255,0.09);}
.step-list li:first-child{border-top:1px solid var(--line);}
.step-no{font-size:28px;font-weight:800;color:var(--lime);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.step-title{font-size:16px;font-weight:700;margin-bottom:4px;color:var(--text);}
.step-list p{margin:0;font-size:15px;line-height:1.8;color:var(--text-2);}

/* 检查列表 */
.check-list{list-style:none;margin-top:22px;display:grid;gap:12px;}
.check-list li{display:grid;grid-template-columns:26px minmax(0,1fr);gap:12px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:all .2s ease;}
.check-list li:hover{border-color:var(--lime-line);transform:translateY(-2px);}
.check-list i{color:var(--orange);font-size:15px;margin-top:4px;}
.check-list strong{display:block;font-size:15.5px;color:var(--text);margin-bottom:2px;}
.check-list span{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* 提示条 */
.note-bar{display:flex;gap:14px;align-items:flex-start;background:var(--field);border-left:3px solid var(--lime);border-radius:10px;padding:16px 20px;margin:22px 0 4px;}
.note-bar i{color:var(--lime);font-size:16px;margin-top:4px;}
.note-bar p{margin:0;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-section{padding:72px 0 8px;border-top:1px solid var(--line);}
.section-head{margin-bottom:28px;max-width:720px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15px;margin:0;}
.faq-list{max-width:820px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;background:none;border:0;color:var(--text);font-size:17px;font-weight:600;text-align:left;cursor:pointer;transition:color .2s ease;min-height:44px;}
.faq-q:hover{color:var(--lime-soft);}
.faq-q i{color:var(--lime);font-size:14px;transition:transform .28s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 0 20px;margin:0;font-size:15px;line-height:1.85;color:var(--text-2);max-width:720px;}

/* ============ CTA ============ */
.cta-section{padding:72px 0 88px;}
.cta-block{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--lime-line);border-radius:var(--radius-card);padding:44px 48px;display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;box-shadow:var(--shadow);}
.cta-block::after{content:"";position:absolute;top:-40%;right:-10%;width:340px;height:340px;background:repeating-linear-gradient(135deg,rgba(201,240,60,.16) 0 2px,transparent 2px 14px);transform:skewX(-12deg);pointer-events:none;}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-copy p{color:var(--text-2);font-size:15px;margin:0;max-width:520px;}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-stats{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13.5px;color:var(--text-2);margin-top:4px;}
.cta-stats b{color:var(--lime);font-variant-numeric:tabular-nums;}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding-top:56px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--lime),rgba(201,240,60,0));}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin:0;max-width:230px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:flex-start;}
.footer-contact i{color:var(--lime);font-size:13px;margin-top:6px;flex:0 0 auto;}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3);}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .head-grid{grid-template-columns:1fr;gap:32px;}
  .head-figure{max-width:520px;}
  .doc-layout{grid-template-columns:1fr;gap:32px;padding-top:48px;}
  .doc-toc{position:static;top:auto;padding:18px;}
  .doc-toc ul{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin;}
  .doc-toc li{margin:0;flex:0 0 auto;}
  .doc-toc a{border-left:0;border-bottom:2px solid transparent;white-space:nowrap;padding:8px 12px;}
  .doc-toc a.active{border-left:0;border-bottom-color:var(--lime);}
  .toc-btn{margin-top:14px;}
  .doc-body{max-width:none;}
  .cta-block{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:768px){
  .nav-links{position:fixed;top:0;right:0;bottom:0;width:min(300px,82vw);background:#0E1116;flex-direction:column;align-items:stretch;gap:0;padding:88px 20px 24px;transform:translateX(102%);transition:transform .3s ease;border-left:1px solid var(--line);z-index:90;box-shadow:-16px 0 40px rgba(0,0,0,.5);}
  .nav-bar.menu-open .nav-links{transform:translateX(0);}
  .nav-links li{border-bottom:1px solid var(--line);}
  .nav-links a{display:block;padding:16px 12px;font-size:16px;border-left:3px solid transparent;}
  .nav-links a::after{display:none;}
  .nav-links a.active{border-left-color:var(--lime);background:rgba(201,240,60,0.08);padding-left:14px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-inner{min-height:60px;}
  .nav-cta{display:none;}
  .ticker-inner{min-height:40px;padding-left:12px;}
  .ticker-label span{font-size:12.5px;}
  .clock-cell strong{font-size:14px;}
  .page-head{padding:24px 0 48px;}
  .head-copy h1{font-size:clamp(26px,7vw,34px);}
  .doc-section p{font-size:16px;}
  .step-list li{grid-template-columns:52px minmax(0,1fr);gap:12px;}
  .step-no{font-size:24px;}
  .faq-section,.cta-section{padding-top:48px;}
  .cta-section{padding-bottom:56px;}
  .cta-block{padding:28px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-sub{font-size:11px;}
  .brand-main{font-size:16px;}
  .head-meta{gap:8px 16px;font-size:13px;}
  .clock-cell span{display:none;}
  .ticker-label span b{display:none;}
  .btn{width:100%;}
  .cta-side{width:100%;}
  .doc-toc{padding:14px;}
  .check-list li{padding:14px;}
}