/* roulang page: index */
:root{
  --c-ink:#0E2B25;
  --c-ink-2:#17453A;
  --c-energy:#C7F03C;
  --c-action:#FF7A2F;
  --c-action-d:#E8651C;
  --c-bg:#F4F6F2;
  --c-card:#FFFFFF;
  --c-line:#E2E7DF;
  --c-txt:#1C1F1D;
  --c-txt-2:#5F6B63;
  --c-warn:#D93A2B;
  --c-foot-txt:#C7D3CC;
  --sh-1:0 1px 2px rgba(14,43,37,.06), 0 8px 24px -12px rgba(14,43,37,.18);
  --sh-2:0 18px 40px -18px rgba(14,43,37,.28);
  --r-card:16px;
  --r-sm:10px;
  --r-img:12px;
  --r-pill:999px;
  --stripe:repeating-linear-gradient(115deg, rgba(199,240,60,.05) 0 2px, transparent 2px 14px);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--c-txt);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-txt);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--c-ink-2);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--c-txt);}
p{margin:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--c-energy);outline-offset:2px;}
body.no-scroll{overflow:hidden;}

.grid-container{width:100%;max-width:1248px;margin:0 auto;padding-left:24px;padding-right:24px;}
.grid-x{display:flex;flex-wrap:wrap;}
.cell{min-width:0;}

/* ---------- 通用原子 ---------- */
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.section{padding:72px 0;}
.section-alt{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{font-size:30px;line-height:1.3;}
.section-sub{margin-top:8px;font-size:15px;line-height:1.7;color:var(--c-txt-2);}
.link-more{font-size:15px;font-weight:700;color:var(--c-ink);border-bottom:3px solid var(--c-energy);padding-bottom:2px;white-space:nowrap;}
.link-more:hover{color:var(--c-action);border-color:var(--c-action);}
.link-more i{margin-left:6px;font-size:12px;}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.08em;font-weight:700;
  background:rgba(199,240,60,.22);color:var(--c-ink);
}
.badge-muted{background:var(--c-bg);color:var(--c-txt-2);font-weight:500;letter-spacing:.02em;}
.badge-hot{background:rgba(255,122,47,.16);color:#A8410A;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--c-action);color:var(--c-ink);box-shadow:0 8px 20px -12px rgba(255,122,47,.9);}
.btn-primary:hover{background:var(--c-action-d);color:var(--c-ink);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.45);color:#fff;}
.btn-ghost:hover{border-color:var(--c-energy);color:var(--c-energy);}
.btn-outline{border:1.5px solid var(--c-ink);color:var(--c-ink);background:transparent;}
.btn-outline:hover{background:var(--c-ink-2);border-color:var(--c-ink-2);color:#fff;}
.btn.is-fav{background:var(--c-ink);color:var(--c-energy);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-bg);
  transition:box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{border-bottom:1px solid var(--c-line);box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:30px;height:30px;border-radius:50%;
  border:2px solid var(--c-ink);position:relative;flex:0 0 30px;
}
.logo-mark::before{
  content:"";position:absolute;left:50%;top:50%;width:2px;height:18px;
  background:var(--c-energy);transform:translate(-50%,-50%) rotate(-35deg);border-radius:2px;
}
.logo-text{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;}
.nav-card{
  flex:1 1 auto;display:flex;align-items:center;gap:4px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:6px;overflow-x:auto;scrollbar-width:none;
}
.nav-card::-webkit-scrollbar{display:none;}
.nav-item{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-txt-2);white-space:nowrap;
  min-height:40px;
}
.nav-item i{font-size:13px;}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--c-energy);transition:height .18s ease;
}
.nav-item:hover{background:var(--c-bg);color:var(--c-ink);}
.nav-item:hover::before{height:18px;}
.nav-item.active{color:var(--c-ink);font-weight:700;background:var(--c-bg);}
.nav-item.active::after{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-energy);margin-left:2px;
}
.nav-cta{flex:0 0 auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-card);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-panel{
  position:fixed;inset:72px 0 0 0;background:var(--c-ink);z-index:55;
  padding:24px;display:none;flex-direction:column;gap:20px;overflow-y:auto;
}
.mobile-panel.open{display:flex;}
.mobile-panel .panel-title{font-size:13px;letter-spacing:.08em;color:rgba(199,240,60,.8);font-weight:700;}
.mobile-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.mobile-links a{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-sm);padding:14px;color:#EAF1EC;font-size:15px;
  display:flex;align-items:center;gap:8px;
}
.mobile-links a:hover{border-color:var(--c-energy);color:var(--c-energy);}
.mobile-links a.active{color:var(--c-ink);background:var(--c-energy);font-weight:700;}
.mobile-panel .btn{width:100%;margin-top:auto;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-ink);padding:72px 0;min-height:560px;display:flex;align-items:center;}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(14,43,37,.94) 0%,rgba(14,43,37,.84) 55%,rgba(23,69,58,.9) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:var(--stripe);}
.hero::after{
  content:"";position:absolute;right:-140px;bottom:-190px;width:440px;height:440px;border-radius:50%;
  border:1px solid var(--c-energy);opacity:.14;
}
.hero .grid-container{position:relative;z-index:2;width:100%;}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.08em;color:var(--c-energy);font-weight:700;}
.eyebrow i{display:block;width:24px;height:2px;background:var(--c-energy);border-radius:2px;}
.hero h1{
  margin-top:18px;color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.25;letter-spacing:-.015em;
}
.hero-sub{margin-top:18px;max-width:520px;font-size:17px;line-height:1.8;color:#C7D3CC;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px;max-width:520px;}
.hero-metrics li{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.06);
  border-radius:var(--r-img);padding:14px 16px;
}
.hero-metrics strong{display:block;font-size:28px;line-height:1.2;color:var(--c-energy);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.hero-metrics span{display:block;font-size:13px;color:#B9C7BF;margin-top:4px;}

.hero-visual{position:relative;}
.hero-main{
  position:relative;margin:0;border-radius:var(--r-card);overflow:hidden;
  box-shadow:0 1px 2px rgba(14,43,37,.2),0 26px 50px -22px rgba(0,0,0,.6);
}
.hero-main img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-badge{position:absolute;left:16px;top:16px;}
.hero-issue{
  position:absolute;right:16px;bottom:16px;background:rgba(14,43,37,.86);color:var(--c-energy);
  font-size:12px;letter-spacing:.08em;font-weight:700;padding:6px 12px;border-radius:var(--r-pill);
  font-variant-numeric:tabular-nums;
}
.hero-mini{
  position:absolute;left:-24px;bottom:-24px;width:42%;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-img);
  padding:10px;display:block;box-shadow:var(--sh-2);
}
.hero-mini img{border-radius:8px;aspect-ratio:16/9;object-fit:cover;margin-bottom:8px;}
.hero-mini span{display:block;font-size:13px;font-weight:700;color:var(--c-ink);line-height:1.5;}
.hero-mini:hover{transform:translateY(-3px);}

/* ---------- 快捷入口 ---------- */
.quick-bar{margin-top:-1px;background:var(--c-bg);padding:32px 0 8px;}
.quick-list{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;}
.quick-list a{
  display:flex;align-items:center;gap:10px;min-height:52px;padding:8px 14px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-sm);
  font-size:14px;font-weight:600;color:var(--c-ink);
}
.quick-list a i{color:var(--c-action);font-size:15px;}
.quick-list a:hover{border-color:var(--c-energy);box-shadow:var(--sh-1);transform:translateY(-2px);}

/* ---------- 卡片 ---------- */
.card{
  display:block;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6DED2;}
.card:hover .card-title{color:var(--c-ink-2);}
.card-title{font-size:19px;line-height:1.45;font-weight:700;transition:color .18s ease;}
.card-desc{font-size:15px;line-height:1.7;color:var(--c-txt-2);margin-top:8px;}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--c-txt-2);}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);}

.card-a .card-media{position:relative;}
.card-a .card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.card-a .card-media .badge{position:absolute;left:14px;top:14px;}
.card-a .card-body{padding:18px 18px 20px;}
.card-a .card-meta .go{color:var(--c-energy);font-weight:700;}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}

/* 目录小卡 */
.dir-card{
  position:relative;display:flex;flex-direction:column;gap:6px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);min-height:196px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.dir-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-energy);}
.dir-num{
  font-size:48px;line-height:1;font-weight:800;color:var(--c-ink);
  opacity:.16;font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.dir-issue{position:absolute;right:20px;top:22px;font-size:12px;letter-spacing:.06em;color:var(--c-txt-2);font-variant-numeric:tabular-nums;}
.dir-card h3{font-size:17px;line-height:1.5;margin-top:6px;}
.dir-card .dir-count{font-size:13px;color:var(--c-txt-2);}
.dir-go{margin-top:auto;font-size:14px;font-weight:700;color:var(--c-ink);display:inline-flex;align-items:center;gap:6px;}
.dir-go i{font-size:12px;color:var(--c-action);transition:transform .18s ease;}
.dir-card:hover .dir-go i{transform:translateX(4px);}

/* B 型横卡 */
.card-b{display:grid;grid-template-columns:40% 1fr;gap:0;}
.card-b .card-media{position:relative;height:100%;}
.card-b .card-media img{width:100%;height:100%;min-height:168px;object-fit:cover;}
.card-b .card-media .badge{position:absolute;left:12px;top:12px;}
.card-b .card-body{padding:20px;display:flex;flex-direction:column;}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.stat-card .idx{
  position:absolute;right:18px;top:14px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-ink);opacity:.35;font-variant-numeric:tabular-nums;
}
.stat-card strong{display:block;font-size:28px;line-height:1.2;color:var(--c-ink);font-weight:800;font-variant-numeric:tabular-nums;}
.stat-card span{display:block;margin-top:6px;font-size:13px;color:var(--c-txt-2);}
.stat-card::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--c-energy);opacity:.85;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.open{border-color:#D6DED2;box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--c-txt);
}
.faq-icon{
  position:relative;flex:0 0 36px;width:36px;height:36px;border-radius:50%;
  background:var(--c-energy);transition:transform .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 18px;font-size:15px;line-height:1.8;color:var(--c-txt-2);}
.faq-item.open .faq-a{display:block;}

/* ---------- CTA 通栏 ---------- */
.cta-band{position:relative;background:var(--c-ink);overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:var(--stripe);}
.cta-band::after{
  content:"";position:absolute;left:-120px;top:-160px;width:360px;height:360px;border-radius:50%;
  border:1px solid var(--c-energy);opacity:.12;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:48px 0;}
.cta-copy h2{font-size:26px;color:#fff;}
.cta-copy p{margin-top:8px;font-size:15px;color:#C7D3CC;max-width:420px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,14px);
  background:var(--c-ink-2);color:var(--c-energy);font-size:14px;font-weight:600;
  padding:12px 20px;border-radius:var(--r-pill);border:1px solid rgba(199,240,60,.3);
  opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;z-index:200;
}
.toast.show{opacity:1;transform:translate(-50%,0);}

/* ---------- 空态 ---------- */
.empty-card{
  grid-column:1 / -1;text-align:center;padding:56px 24px;
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-card);
}
.empty-card i{font-size:40px;color:var(--c-energy);-webkit-text-stroke:1px var(--c-ink);}
.empty-card p{margin:16px 0 20px;font-size:16px;color:var(--c-txt-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:var(--c-foot-txt);border-top:1px solid var(--c-energy);padding-top:64px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{border-color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--c-foot-txt);max-width:280px;}
.footer-domain{margin-top:12px;font-size:13px;color:#8FA79C;font-variant-numeric:tabular-nums;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--c-foot-txt);}
.footer-col a:hover{color:var(--c-energy);}
.footer-col span{font-size:14px;color:var(--c-foot-txt);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.footer-bottom p{font-size:13px;color:#8FA79C;}
.to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-energy);color:var(--c-energy);
  display:inline-flex;align-items:center;justify-content:center;transition:background-color .18s ease,color .18s ease;
}
.to-top:hover{background:var(--c-energy);color:var(--c-ink);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .quick-list{grid-template-columns:repeat(3,1fr);}
  .grid-4{grid-template-columns:repeat(3,1fr);}
  .hero-grid{gap:40px;}
  .hero-metrics{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:768px){
  body{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .section-title{font-size:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .nav-card,.nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-inner{gap:12px;}
  .hero{padding:48px 0;min-height:auto;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-sub{font-size:15px;}
  .hero-metrics{grid-template-columns:repeat(3,1fr);gap:10px;}
  .hero-metrics strong{font-size:22px;}
  .hero-mini{position:relative;left:0;bottom:0;width:100%;margin-top:14px;}
  .quick-bar{padding:24px 0 0;}
  .quick-list{grid-template-columns:repeat(2,1fr);gap:12px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);gap:16px;}
  .card-b{grid-template-columns:1fr;}
  .card-b .card-media img{min-height:180px;aspect-ratio:16/9;}
  .stats{grid-template-columns:repeat(2,1fr);gap:16px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:40px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:16px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a{padding:0 18px 16px;}
}

@media (max-width:520px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .quick-list{grid-template-columns:1fr 1fr;}
  .hero-metrics{grid-template-columns:1fr;}
  .hero-metrics li{display:flex;align-items:baseline;gap:10px;}
  .hero-metrics strong{font-size:24px;}
  .hero-metrics span{margin-top:0;font-size:13px;}
  .dir-card{min-height:auto;padding:20px;}
  .dir-num{font-size:38px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom p{line-height:1.7;}
}

/* roulang page: article */
:root{
  --c-ink:#0E2B25;
  --c-ink-2:#17453A;
  --c-energy:#C7F03C;
  --c-action:#FF7A2F;
  --c-action-d:#E8651C;
  --c-bg:#F4F6F2;
  --c-card:#FFFFFF;
  --c-line:#E2E7DF;
  --c-txt:#1C1F1D;
  --c-txt-2:#5F6B63;
  --c-warn:#D93A2B;
  --c-foot-txt:#C7D3CC;
  --sh-1:0 1px 2px rgba(14,43,37,.06),0 8px 24px -12px rgba(14,43,37,.18);
  --sh-2:0 18px 40px -18px rgba(14,43,37,.28);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
  --sp-6:48px;
  --sp-7:72px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--c-txt);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-txt);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-ink-2)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--c-energy);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--c-ink);letter-spacing:.01em}
p{margin:0}
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media screen and (min-width:40em){
  .grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;line-height:1;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn i{font-size:14px}
.btn-primary{background:var(--c-action);color:var(--c-ink);box-shadow:0 10px 22px -14px rgba(255,122,47,.9)}
.btn-primary:hover{background:var(--c-action-d);color:var(--c-ink);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:var(--c-energy);color:var(--c-energy);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink-2)}
.btn-outline:hover{background:var(--c-ink-2);color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.08em;line-height:1.6;
}
.badge-cat{background:rgba(199,240,60,.28);color:var(--c-ink);border:1px solid rgba(199,240,60,.6)}
.badge-time{background:var(--c-bg);color:var(--c-txt-2);border:1px solid var(--c-line)}
.badge-hot{background:var(--c-action);color:#fff}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;min-height:34px;padding:0 14px;
  border-radius:999px;border:1px solid var(--c-line);background:var(--c-card);
  font-size:13px;color:var(--c-txt-2);transition:all .18s ease;
}
.tag:hover{border-color:var(--c-energy);color:var(--c-ink);background:rgba(199,240,60,.16)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-bg);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:16px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  position:relative;width:28px;height:28px;border-radius:50%;
  border:2px solid var(--c-energy);background:var(--c-ink);flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;left:50%;top:2px;bottom:2px;width:2px;
  transform:translateX(-50%);background:var(--c-energy);opacity:.85;
}
.logo-text{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:.01em;white-space:nowrap}
.nav-card{
  display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-card::-webkit-scrollbar{display:none}
.nav-item{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:8px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-txt);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-item i{font-size:15px;color:var(--c-txt-2);transition:color .18s ease}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:20px;border-radius:2px;
  background:var(--c-energy);transform:translateY(-50%) scaleY(0);transition:transform .18s ease;
}
.nav-item:hover{background:var(--c-bg)}
.nav-item:hover i{color:var(--c-ink)}
.nav-item:hover::before{transform:translateY(-50%) scaleY(1)}
.nav-item.active{font-weight:700;color:var(--c-ink)}
.nav-item.active i{color:var(--c-ink)}
.nav-item.active::after{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-energy);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-card);color:var(--c-ink);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--c-energy)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-txt-2)}
.breadcrumb a{color:var(--c-txt-2)}
.breadcrumb a:hover{color:var(--c-ink-2)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{
  color:var(--c-txt);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头 ---------- */
.article-hero{padding:24px 0 32px}
.article-title{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.25;
  letter-spacing:.005em;
  max-width:20em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:18px}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-txt-2)}
.meta-item i{font-size:12px;color:var(--c-energy)}
.head-split{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;flex-wrap:wrap}
.share-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 14px;
  border-radius:999px;border:1px solid var(--c-line);background:var(--c-card);
  font-size:13px;color:var(--c-txt-2);transition:all .18s ease;
}
.share-btn:hover{border-color:var(--c-action);color:var(--c-action);transform:translateY(-2px)}
.share-btn.is-on{border-color:var(--c-action);color:var(--c-action);background:rgba(255,122,47,.08)}

/* ---------- 布局 ---------- */
.layout-grid{
  display:grid;grid-template-columns:minmax(0,760px) 320px;
  gap:48px;align-items:start;padding-bottom:24px;
}
.article-main{min-width:0}
.sidebar{position:sticky;top:96px;display:grid;gap:20px}
.widget{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.widget-title{font-size:16px;font-weight:800;line-height:1.4;margin-bottom:14px}
.toc-list{display:grid;gap:2px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:var(--r-sm);font-size:14px;line-height:1.6;
  color:var(--c-txt-2);border-left:3px solid transparent;
  transition:all .18s ease;
}
.toc-list a:hover{background:var(--c-bg);color:var(--c-ink)}
.toc-list a.lv3{padding-left:24px;font-size:13px}
.toc-list a.is-active{border-left-color:var(--c-energy);color:var(--c-ink);font-weight:700;background:var(--c-bg)}
.toc-empty{font-size:13px;color:var(--c-txt-2)}

/* ---------- 迷你卡 ---------- */
.mini-list{display:grid;gap:14px}
.mini-card{display:grid;grid-template-columns:88px 1fr;gap:12px;align-items:center;padding:8px;border-radius:var(--r-md);transition:background .18s ease,transform .18s ease}
.mini-card:hover{background:var(--c-bg);transform:translateY(-2px)}
.mini-card img{width:88px;height:66px;object-fit:cover;border-radius:var(--r-md);background:var(--c-bg)}
.mini-card h3{font-size:15px;font-weight:700;line-height:1.5;margin-top:6px}
.mini-card h3 span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 正文排版 ---------- */
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--c-txt);
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:30px;line-height:1.3;font-weight:800;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--c-energy);
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:700;margin:32px 0 12px}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--c-ink-2)}
.article-body ul{margin:0 0 1.2em;padding-left:18px}
.article-body ul li{position:relative;margin-bottom:8px}
.article-body ul li::before{
  content:"";position:absolute;left:-15px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--c-energy);
}
.article-body ol{margin:0 0 1.2em;padding-left:22px;list-style:decimal}
.article-body ol li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--c-energy);
  background:var(--c-bg);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-txt);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px 0;height:auto}
.article-body figure{margin:24px 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--c-txt-2);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0}
.article-body th,.article-body td{padding:10px 12px;border-bottom:1px solid var(--c-line);text-align:left;vertical-align:top}
.article-body thead th{background:var(--c-bg);font-weight:700;color:var(--c-ink)}
.article-body tbody tr:nth-child(even){background:var(--c-bg)}
.article-body pre{
  background:var(--c-ink);color:#E8F3EC;padding:16px 18px;border-radius:var(--r-md);
  overflow-x:auto;font-family:var(--font-mono);font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body code{font-family:var(--font-mono);font-size:.94em;background:var(--c-bg);padding:2px 6px;border-radius:6px}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body a{color:var(--c-ink-2);border-bottom:1px solid var(--c-energy)}
.article-body a:hover{color:var(--c-action);border-bottom-color:var(--c-action)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-card);
  padding:48px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:40px;height:40px;margin:0 auto 16px;border-radius:50%;
  border:2px solid var(--c-energy);
}
.empty-state p{font-size:16px;color:var(--c-txt-2);margin-bottom:20px}
.empty-state .empty-title{font-size:20px;font-weight:800;color:var(--c-ink);margin-bottom:8px}

/* ---------- 文末区块 ---------- */
.tail-block{margin-top:48px;max-width:760px}
.tail-title{font-size:22px;font-weight:800;margin-bottom:16px}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.pn-card{
  display:block;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:16px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-line)}
.pn-card .pn-label{font-size:12px;letter-spacing:.08em;color:var(--c-txt-2);display:block;margin-bottom:8px}
.pn-card .pn-text{font-size:16px;font-weight:700;line-height:1.5;color:var(--c-ink)}

/* ---------- 推荐卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card:hover .card-title{color:var(--c-ink-2)}
.card-thumb{position:relative;aspect-ratio:16/10;background:var(--c-bg);overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover}
.card-thumb .badge{position:absolute;left:12px;top:12px}
.card-body{padding:16px}
.card-title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  margin-top:8px;font-size:15px;line-height:1.7;color:var(--c-txt-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:14px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-txt-2);
}
.card-foot i{color:var(--c-action)}

/* ---------- 紧凑 CTA ---------- */
.cta-strip{
  margin-top:56px;
  background:var(--c-ink);
  background-image:repeating-linear-gradient(115deg,rgba(199,240,60,.05) 0 2px,transparent 2px 14px);
  border-radius:var(--r-lg);
  box-shadow:0 20px 44px -28px rgba(14,43,37,.7);
  position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-70px;top:-70px;width:180px;height:180px;border-radius:50%;
  border:1px solid rgba(199,240,60,.18);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 28px;flex-wrap:wrap;position:relative;z-index:1}
.cta-inner h2{color:#fff;font-size:21px;font-weight:800;line-height:1.3}
.cta-inner p{color:var(--c-foot-txt);font-size:14px;margin-top:6px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;background:var(--c-ink);color:var(--c-foot-txt);
  border-top:1px solid var(--c-energy);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 32px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--c-foot-txt);max-width:34em}
.footer-domain{margin-top:10px;font-size:13px;color:#8FA69B;letter-spacing:.02em}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.7;color:var(--c-foot-txt)}
.footer-col a{color:var(--c-foot-txt)}
.footer-col a:hover{color:var(--c-energy)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8FA69B}
.to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-energy);
  color:var(--c-energy);display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.to-top:hover{background:var(--c-energy);color:var(--c-ink)}

/* ---------- 提示气泡 ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--c-ink);color:#fff;padding:12px 20px;border-radius:999px;
  font-size:14px;border:1px solid rgba(199,240,60,.4);
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:200;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .layout-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-body,.article-hero,.tail-block{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .grid-container{padding-left:16px;padding-right:16px}
  .header-inner{height:64px;gap:12px}
  .logo-text{font-size:18px}
  .nav-toggle{display:inline-flex}
  .nav-card{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:120;
    background:var(--c-ink);border:0;border-radius:0;
    padding:88px 16px 32px;display:none;flex-wrap:wrap;align-content:flex-start;gap:10px;
    overflow-y:auto;
  }
  body.nav-open .nav-card{display:flex}
  .nav-card .nav-item{
    width:calc(50% - 5px);min-height:64px;flex-direction:column;justify-content:center;
    gap:6px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
    color:#fff;font-size:13px;
  }
  .nav-card .nav-item i{font-size:17px;color:var(--c-energy)}
  .nav-card .nav-item::before{display:none}
  .nav-card .nav-item.active{background:var(--c-ink-2);color:#fff}
  .nav-card .nav-item.active::after{position:absolute;right:12px;top:12px}
  .breadcrumb .current{max-width:200px}
  .article-hero{padding:18px 0 24px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:24px;margin:32px 0 14px}
  .article-body h3{font-size:19px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .sidebar{grid-template-columns:1fr}
  .prev-next{grid-template-columns:1fr}
  .cta-inner{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:40px 0 24px}
  .footer-bottom{padding:16px 0 22px}
}
@media screen and (max-width:520px){
  .logo-text{font-size:17px}
  .header-actions .btn{display:none}
  .card-grid{grid-template-columns:1fr}
  .article-title{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .meta-row{gap:8px 12px}
  .toast{left:16px;right:16px;transform:translateY(16px);text-align:center}
  .toast.show{transform:translateY(0)}
}

/* roulang page: category1 */
:root{
  --c-ink:#0E2B25;
  --c-ink-2:#17453A;
  --c-energy:#C7F03C;
  --c-action:#FF7A2F;
  --c-action-d:#E8651C;
  --c-bg:#F4F6F2;
  --c-card:#FFFFFF;
  --c-line:#E2E7DF;
  --c-txt:#1C1F1D;
  --c-txt-2:#5F6B63;
  --c-warn:#D93A2B;
  --sh-1:0 1px 2px rgba(14,43,37,.06),0 8px 24px -12px rgba(14,43,37,.18);
  --sh-2:0 18px 40px -18px rgba(14,43,37,.28);
  --r-card:16px;
  --r-sm:10px;
  --r-img:12px;
  --s1:8px;--s2:12px;--s3:16px;--s4:24px;--s5:32px;--s6:48px;--s7:72px;--s8:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--c-txt);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-txt);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--c-ink-2);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--c-ink);letter-spacing:.01em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-energy);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

.grid-container{max-width:1200px;width:100%;padding-left:24px;padding-right:24px;margin:0 auto;}
.grid-x{display:flex;flex-flow:row wrap;}
.cell{min-width:0;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom:1px solid var(--c-line);box-shadow:var(--sh-1);}
.header-bar{display:flex;align-items:center;gap:20px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--c-ink);white-space:nowrap;}
.logo-mark{
  width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--c-energy);
  position:relative;flex:0 0 auto;
  background:radial-gradient(circle at 50% 50%,rgba(199,240,60,.18),transparent 65%);
}
.logo-mark::after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:var(--c-energy);opacity:.75;}
.logo-text{letter-spacing:.01em;}

.nav-card{
  display:flex;align-items:center;gap:4px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:6px;
  margin-left:auto;
  box-shadow:var(--sh-1);
  overflow-x:auto;
  scrollbar-width:none;
  max-width:100%;
}
.nav-card::-webkit-scrollbar{display:none;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;min-height:44px;
  border-radius:var(--r-sm);
  font-size:14px;font-weight:600;color:var(--c-txt-2);
  white-space:nowrap;position:relative;
}
.nav-item i{font-size:15px;color:var(--c-txt-2);transition:color .18s ease;}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:22px;border-radius:2px;background:var(--c-energy);
  transition:transform .18s ease;
}
.nav-item:hover{background:var(--c-bg);color:var(--c-ink);}
.nav-item:hover::before{transform:translateY(-50%) scaleY(1);}
.nav-item.active{color:var(--c-ink);font-weight:700;background:var(--c-bg);}
.nav-item.active i{color:var(--c-ink);}
.nav-item.active::after{
  content:"";position:absolute;right:10px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--c-energy);
}
.header-actions{display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-action);color:var(--c-ink);}
.btn-primary:hover{background:var(--c-action-d);color:var(--c-ink);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1.5px solid var(--c-ink);color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-ink-2);border-color:var(--c-ink-2);color:#fff;}
.btn-link{color:var(--c-ink);font-weight:700;border-bottom:3px solid var(--c-energy);padding-bottom:2px;}
.btn-link:hover{color:var(--c-action);border-bottom-color:var(--c-action);}

.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-card);
  align-items:center;justify-content:center;color:var(--c-ink);font-size:18px;
}
.menu-toggle:hover{background:var(--c-bg);}

.mobile-panel{
  position:fixed;inset:0;z-index:80;
  background:var(--c-ink);
  padding:24px 20px 32px;
  display:none;flex-direction:column;gap:24px;
  overflow-y:auto;
}
.mobile-panel.open{display:flex;}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;}
.mobile-panel-head .logo,.mobile-panel-head .logo-text{color:#fff;}
.mobile-close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:18px;}
.mobile-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.mobile-item{
  display:flex;flex-direction:column;gap:6px;
  padding:14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  color:#EDF3EF;font-size:15px;font-weight:600;
}
.mobile-item i{color:var(--c-energy);font-size:16px;}
.mobile-item.active{border-color:var(--c-energy);color:#fff;}
.mobile-panel-foot{margin-top:auto;}
.mobile-panel-foot .btn{width:100%;}

/* ============ 分类页头 ============ */
.cat-hero{
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  padding:28px 0 48px;
}
.breadcrumb{font-size:13px;color:var(--c-txt-2);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb a{color:var(--c-txt-2);}
.breadcrumb a:hover{color:var(--c-ink);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:var(--c-ink);font-weight:700;}

.cat-hero-inner{
  display:grid;grid-template-columns:1fr 380px;gap:32px;
  align-items:stretch;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  min-height:240px;
}
.cat-hero-text{padding:32px;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-txt-2);text-transform:uppercase;}
.eyebrow-line{width:24px;height:3px;border-radius:2px;background:var(--c-energy);display:inline-block;}
.cat-hero-text h1{font-size:clamp(28px,4.2vw,42px);line-height:1.25;}
.cat-hero-text p{font-size:17px;color:var(--c-txt-2);max-width:560px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:700;letter-spacing:.04em;}
.badge-cat{background:rgba(199,240,60,.18);color:var(--c-ink);}
.badge-time{background:var(--c-bg);color:var(--c-txt-2);border:1px solid var(--c-line);}
.badge-live{background:rgba(255,122,47,.14);color:#B44A0C;}
.cat-hero-media{position:relative;min-height:240px;}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;}

.quick-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px;}
.quick-tile{
  display:flex;align-items:center;gap:12px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:12px 14px;min-height:64px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.quick-tile:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:rgba(199,240,60,.5);}
.quick-tile i{font-size:18px;color:var(--c-ink);width:22px;text-align:center;}
.quick-tile strong{display:block;font-size:14px;color:var(--c-ink);}
.quick-tile span{display:block;font-size:12px;color:var(--c-txt-2);}

/* ============ 板块 ============ */
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.3;}
.section-head .lead{margin-top:10px;font-size:16px;color:var(--c-txt-2);max-width:660px;}
.section-head .actions{display:flex;align-items:center;gap:12px;}

/* 卡片网格 */
.card-grid{margin-left:-12px;margin-right:-12px;}
.card-grid > .cell{padding:0 12px;margin:0 0 24px;}

.card-a{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;height:100%;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;
}
.card-a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(199,240,60,.55);}
.card-a:hover .card-title{color:var(--c-ink-2);}
.card-a:hover .card-arrow{background:var(--c-action);color:var(--c-ink);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-bg);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card-a:hover .card-media img{transform:scale(1.03);}
.card-media .badge-cat{position:absolute;left:12px;top:12px;}
.card-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;line-height:1.45;font-weight:700;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-excerpt{font-size:15px;line-height:1.7;color:var(--c-txt-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-txt-2);
}
.card-arrow{
  width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-bg);color:var(--c-ink);font-size:13px;transition:background-color .18s ease,color .18s ease;
}
.card-a-link{display:flex;flex-direction:column;height:100%;}

/* 深色面板：阅读路径 */
.dark-panel{
  background:var(--c-ink);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--r-card);
  padding:48px 40px;
  position:relative;overflow:hidden;
  background-image:repeating-linear-gradient(115deg,rgba(199,240,60,.05) 0 2px,transparent 2px 14px);
  box-shadow:var(--sh-1);
}
.dark-panel::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;
  border-radius:50%;border:1px solid rgba(199,240,60,.16);pointer-events:none;
}
.dark-panel h2{color:#fff;font-size:30px;line-height:1.3;}
.dark-panel .lead{color:#C7D3CC;margin-top:10px;font-size:16px;max-width:680px;}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
.step-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-sm);
  padding:20px;
}
.step-num{font-size:28px;font-weight:800;color:var(--c-energy);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.step-card h3{color:#fff;font-size:17px;margin:10px 0 8px;}
.step-card p{color:#C7D3CC;font-size:15px;line-height:1.75;}

/* FAQ */
.faq-list{max-width:860px;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item.open{box-shadow:var(--sh-1);border-color:rgba(199,240,60,.55);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:700;color:var(--c-ink);
}
.faq-q .plus{
  flex:0 0 auto;width:36px;height:36px;border-radius:50%;
  background:rgba(199,240,60,.2);color:var(--c-ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
  transition:transform .22s ease,background-color .22s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--c-energy);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--c-txt-2);}

/* CTA 通栏 */
.cta-bar{
  background:var(--c-ink);
  background-image:repeating-linear-gradient(115deg,rgba(199,240,60,.05) 0 2px,transparent 2px 14px);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--r-card);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
  box-shadow:var(--sh-1);
}
.cta-bar::before{
  content:"";position:absolute;left:-60px;top:-80px;width:200px;height:200px;border-radius:50%;
  border:1px solid rgba(199,240,60,.14);pointer-events:none;
}
.cta-bar h2{color:#fff;font-size:26px;line-height:1.35;position:relative;}
.cta-bar p{color:#C7D3CC;font-size:15px;margin-top:8px;position:relative;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
.cta-bar .btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;}
.cta-bar .btn-ghost:hover{background:var(--c-ink-2);border-color:var(--c-energy);color:#fff;}
.copy-tip{
  position:fixed;left:50%;bottom:40px;transform:translate(-50%,12px);
  background:var(--c-ink);color:#fff;font-size:14px;
  padding:10px 20px;border-radius:999px;box-shadow:var(--sh-2);
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:90;
}
.copy-tip.show{opacity:1;transform:translate(-50%,0);}

/* 交叉链接 */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cross-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cross-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(199,240,60,.55);}
.cross-card h3{font-size:18px;}
.cross-card p{font-size:15px;color:var(--c-txt-2);line-height:1.75;}
.cross-more{margin-top:auto;font-size:14px;font-weight:700;color:var(--c-ink);display:inline-flex;align-items:center;gap:8px;}
.cross-card:hover .cross-more{color:var(--c-action);}

/* 页脚 */
.site-footer{
  background:var(--c-ink);
  color:#C7D3CC;
  border-top:1px solid var(--c-energy);
  padding:64px 0 24px;
  margin-top:72px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#C7D3CC;max-width:320px;}
.footer-domain{margin-top:12px;font-size:13px;color:#8FA79C;letter-spacing:.04em;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#C7D3CC;font-size:14px;}
.footer-col a:hover{color:var(--c-energy);}
.footer-col span{color:#C7D3CC;font-size:14px;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8FA79C;}
.to-top{
  width:44px;height:44px;border-radius:50%;
  border:1.5px solid var(--c-energy);color:var(--c-energy);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.to-top:hover{background:var(--c-energy);color:var(--c-ink);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .nav-card{display:none;}
  .menu-toggle{display:inline-flex;}
  .cat-hero-inner{grid-template-columns:1fr;}
  .cat-hero-media{min-height:200px;order:-1;}
  .quick-tiles{grid-template-columns:repeat(2,1fr);}
  .step-grid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .dark-panel{padding:36px 28px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .section-tight{padding:32px 0;}
  .section-head h2,.dark-panel h2{font-size:24px;}
  .cat-hero{padding:20px 0 32px;}
  .cat-hero-text{padding:24px 20px;}
  .hero-meta{gap:8px;}
  .quick-tiles{grid-template-columns:1fr;gap:12px;}
  .card-grid{margin-left:-8px;margin-right:-8px;}
  .card-grid > .cell{padding:0 8px;margin-bottom:16px;}
  .cross-grid{grid-template-columns:1fr;}
  .cta-bar{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .header-bar{min-height:64px;gap:12px;}
  .logo{font-size:18px;}
  .header-actions .btn-primary{display:none;}
}
@media screen and (max-width:480px){
  .cat-hero-text h1{font-size:26px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .mobile-nav{grid-template-columns:1fr;}
}
@media screen and (min-width:1280px){
  .cat-hero-inner{min-height:280px;}
}

/* roulang page: category2 */
:root{
  --c-ink:#0E2B25;
  --c-ink-2:#17453A;
  --c-energy:#C7F03C;
  --c-action:#FF7A2F;
  --c-action-d:#E8651C;
  --c-bg:#F4F6F2;
  --c-card:#FFFFFF;
  --c-line:#E2E7DF;
  --c-txt:#1C1F1D;
  --c-txt-2:#5F6B63;
  --c-warn:#D93A2B;
  --sh-1:0 1px 2px rgba(14,43,37,.06), 0 8px 24px -12px rgba(14,43,37,.18);
  --sh-2:0 18px 40px -18px rgba(14,43,37,.28);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:72px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--c-txt);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-txt);text-decoration:none;transition:color .18s ease}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer}

:focus-visible{outline:2px solid var(--c-energy);outline-offset:2px;border-radius:6px}

.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;gap:16px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:50%;
  border:2px solid var(--c-ink);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:5px;border-radius:50%;
  border:2px solid var(--c-energy);
  clip-path:polygon(0 0,100% 0,100% 62%,0 62%);
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.01em;color:var(--c-ink)}

.nav-card{
  flex:1 1 auto;min-width:0;
  display:flex;align-items:center;gap:4px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:6px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-card::-webkit-scrollbar{display:none}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;
  min-height:44px;
  border-radius:var(--r-sm);
  font-size:14px;
  font-weight:500;
  color:var(--c-txt-2);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-item i{font-size:14px;color:var(--c-txt-2);transition:color .18s ease}
.nav-item:hover{background:var(--c-bg);color:var(--c-ink)}
.nav-item:hover i{color:var(--c-ink-2)}
.nav-item.active{background:var(--c-bg);color:var(--c-ink);font-weight:700}
.nav-item.active i{color:var(--c-ink-2)}
.nav-item.active::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--c-energy);
}
.nav-item.active span{margin-left:6px}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1.5px solid var(--c-ink);
  background:transparent;
  border-radius:var(--r-sm);
  color:var(--c-ink);
  font-size:16px;
  align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease;
}
.nav-toggle:hover{background:var(--c-ink-2);color:#fff;border-color:var(--c-ink-2)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:700;
  border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-action);color:var(--c-ink)}
.btn-primary:hover{background:var(--c-action-d);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink-2);color:#fff;border-color:var(--c-ink-2);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{border-color:var(--c-energy);color:var(--c-energy);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{height:40px;padding:0 16px;font-size:14px}

/* 移动端面板 */
.mobile-panel{
  position:fixed;inset:72px 0 0 0;
  background:var(--c-ink);
  padding:24px;
  display:none;
  flex-direction:column;
  gap:20px;
  overflow-y:auto;
  z-index:55;
}
.mobile-panel.is-open{display:flex}
.mobile-label{
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:rgba(199,240,60,.85);font-weight:700;
}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mobile-grid a{
  display:flex;align-items:center;gap:10px;
  min-height:56px;padding:14px 16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--r-md);
  color:#fff;font-size:15px;font-weight:600;
}
.mobile-grid a.is-current{border-color:var(--c-energy);color:var(--c-energy)}
.mobile-panel .btn{margin-top:auto}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 4px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--c-txt-2)}
.crumb li{display:inline-flex;align-items:center;gap:6px}
.crumb li:not(:last-child)::after{content:"/";color:var(--c-line)}
.crumb a{color:var(--c-txt-2)}
.crumb a:hover{color:var(--c-ink-2)}
.crumb li[aria-current]{color:var(--c-ink);font-weight:600}

/* ---------- 分类页头 ---------- */
.cat-hero{
  position:relative;
  margin-top:12px;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--c-ink);
  color:#fff;
  padding:48px 40px;
  border:1px solid rgba(255,255,255,.06);
  box-shadow:var(--sh-1);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg, rgba(199,240,60,.05) 0 2px, transparent 2px 14px);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:-90px;bottom:-110px;
  width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(199,240,60,.16);
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:1;max-width:720px}
.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.eyebrow-line{width:24px;height:2px;background:var(--c-energy);display:inline-block}
.eyebrow span{font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--c-energy)}
h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
}
.cat-hero p.lead{
  margin-top:16px;
  font-size:17px;
  line-height:1.8;
  color:#C7D3CC;
  max-width:620px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cat-hero-meta{
  display:flex;flex-wrap:wrap;gap:24px;
  margin-top:32px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  position:relative;z-index:1;
}
.cat-hero-meta div{min-width:120px}
.cat-hero-meta strong{
  display:block;font-size:28px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;color:#fff;
}
.cat-hero-meta span{font-size:13px;color:#C7D3CC}

/* ---------- 主布局：目录侧栏 + 长列表 ---------- */
.section-pad{padding:var(--sp-7) 0}
.cat-layout{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:32px;
  align-items:start;
}
.side-rail{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
}
.side-title{
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--c-txt-2);text-transform:uppercase;margin-bottom:12px;
}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav a{
  position:relative;
  display:block;
  padding:10px 10px 10px 16px;
  font-size:14px;
  color:var(--c-txt-2);
  border-radius:8px;
  transition:background .18s ease,color .18s ease;
}
.side-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--c-energy);
  border-radius:2px;transition:height .2s ease;
}
.side-nav a:hover{background:var(--c-bg);color:var(--c-ink)}
.side-nav a:hover::before{height:18px}
.side-nav a.is-active{background:var(--c-bg);color:var(--c-ink);font-weight:700}
.side-nav a.is-active::before{height:22px}
.side-card-dark{
  background:var(--c-ink);
  color:#fff;
  border-color:rgba(255,255,255,.06);
}
.side-card-dark p{font-size:14px;line-height:1.7;color:#C7D3CC;margin-bottom:16px}
.side-card-dark h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:10px}

/* 右侧长列表 */
.doc-head{margin-bottom:24px}
.doc-head h2{
  font-size:30px;line-height:1.3;font-weight:800;color:var(--c-ink);
}
.doc-head .sub{margin-top:10px;font-size:15px;color:var(--c-txt-2);line-height:1.8}
.list-block{display:flex;flex-direction:column;gap:24px}
.list-item{
  display:grid;
  grid-template-columns:40% 1fr;
  gap:20px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.list-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6DED4}
.list-item figure{margin:0;border-radius:var(--r-md);overflow:hidden;background:var(--c-bg)}
.list-item figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.list-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  background:rgba(199,240,60,.18);color:var(--c-ink-2);
  align-self:flex-start;
}
.badge-time{background:var(--c-bg);color:var(--c-txt-2);letter-spacing:.02em}
.badge-hot{background:rgba(255,122,47,.16);color:var(--c-action-d)}
.list-body h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--c-ink);transition:color .18s ease}
.list-item:hover h3{color:var(--c-ink-2)}
.list-body p{font-size:15px;line-height:1.7;color:var(--c-txt-2)}
.list-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:12px;border-top:1px solid var(--c-line);
}
.list-foot .time{font-size:13px;color:var(--c-txt-2);font-variant-numeric:tabular-nums}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-ink);
}
.arrow-link i{transition:transform .18s ease}
.list-item:hover .arrow-link i{transform:translateX(4px)}
.list-divider{height:1px;background:var(--c-line);margin:0}
.list-num{
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-txt-2);font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.section-head{margin-bottom:32px;max-width:720px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;color:var(--c-ink)}
.section-head p{margin-top:10px;font-size:15px;color:var(--c-txt-2);line-height:1.8}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:0 20px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease;
}
.faq-item[open]{box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;
  font-size:16px;font-weight:700;color:var(--c-ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-sign{
  position:relative;flex:0 0 auto;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-line);
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-ink);
  transition:background .2s ease;
}
.faq-sign::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-sign::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item[open] .faq-sign{transform:rotate(45deg);background:var(--c-energy);border-color:var(--c-energy)}
.faq-item[open] .faq-sign::before,
.faq-item[open] .faq-sign::after{background:var(--c-ink-2)}
.faq-body{padding:0 0 18px;font-size:15px;line-height:1.8;color:var(--c-txt-2);max-width:820px}

/* ---------- 相关推荐 ---------- */
.reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.reco-card{
  display:flex;flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.reco-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.reco-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.reco-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.reco-body h3{font-size:17px;font-weight:700;line-height:1.45;color:var(--c-ink)}
.reco-card:hover h3{color:var(--c-ink-2)}
.reco-body p{font-size:14px;line-height:1.7;color:var(--c-txt-2)}
.reco-body .arrow-link{margin-top:auto}

.cross-links{
  margin-top:32px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:20px 24px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.cross-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.cross-card strong{display:block;font-size:17px;font-weight:700;color:var(--c-ink)}
.cross-card span{display:block;font-size:14px;color:var(--c-txt-2);margin-top:4px;line-height:1.7}
.cross-card i{color:var(--c-ink);font-size:18px}

/* ---------- 紧凑 CTA ---------- */
.cta-strip{
  position:relative;overflow:hidden;
  background:var(--c-ink);
  color:#fff;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.06);
  box-shadow:var(--sh-1);
  padding:32px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg, rgba(199,240,60,.05) 0 2px, transparent 2px 14px);
  pointer-events:none;
}
.cta-strip > *{position:relative;z-index:1}
.cta-strip h2{font-size:22px;font-weight:800;color:#fff}
.cta-strip p{margin-top:8px;font-size:14px;color:#C7D3CC}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.copy-tip{
  position:fixed;left:50%;bottom:40px;transform:translate(-50%,16px);
  background:var(--c-ink-2);color:#fff;
  padding:10px 20px;border-radius:var(--r-pill);
  font-size:14px;opacity:0;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;z-index:80;
}
.copy-tip.is-show{opacity:1;transform:translate(-50%,0)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;
  background:var(--c-ink);
  color:#C7D3CC;
  border-top:1px solid var(--c-energy);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{border-color:rgba(255,255,255,.6)}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:#C7D3CC;max-width:320px}
.footer-domain{margin-top:10px;font-size:13px;color:#8FA69B;font-variant-numeric:tabular-nums}
.footer-col h3{
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:#fff;margin-bottom:14px;text-transform:uppercase;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:#C7D3CC;line-height:1.7}
.footer-col a:hover{color:var(--c-energy)}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8FA69B}
.to-top{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-energy);
  background:transparent;color:var(--c-energy);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease;
}
.to-top:hover{background:var(--c-energy);color:var(--c-ink)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .cat-layout{grid-template-columns:1fr;gap:24px}
  .side-rail{position:static}
  .reco-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-card{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .header-actions{margin-left:auto}
  .cat-hero{padding:40px 28px}
  .cross-links{grid-template-columns:1fr}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .grid-container{padding-left:16px;padding-right:16px}
  .header-inner{height:64px}
  .mobile-panel{inset:64px 0 0 0}
  .section-pad{padding:48px 0}
  .cat-hero{padding:32px 20px;border-radius:14px}
  .cat-hero p.lead{font-size:15px}
  .cat-hero-meta{gap:20px}
  .cat-hero-meta strong{font-size:24px}
  .list-block{gap:16px}
  .list-item{grid-template-columns:1fr;padding:16px;gap:14px}
  .list-item figure img{aspect-ratio:16/10}
  .doc-head h2,.section-head h2{font-size:24px}
  .reco-grid{grid-template-columns:1fr;gap:16px}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:24px 20px}
  .faq-item{padding:0 16px}
  .site-footer{margin-top:48px;padding:40px 0 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1 / -1}
}
@media screen and (max-width:480px){
  .header-inner{gap:10px}
  .logo-text{font-size:18px}
  .mobile-grid{grid-template-columns:1fr}
  .cat-hero-actions .btn{width:100%}
  .reco-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --c-ink:#0E2B25;
  --c-ink-2:#17453A;
  --c-energy:#C7F03C;
  --c-action:#FF7A2F;
  --c-action-d:#E8651C;
  --c-bg:#F4F6F2;
  --c-card:#FFFFFF;
  --c-line:#E2E7DF;
  --c-txt:#1C1F1D;
  --c-txt-2:#5F6B63;
  --c-warn:#D93A2B;
  --c-foot-txt:#C7D3CC;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,43,37,.06), 0 8px 24px -12px rgba(14,43,37,.18);
  --sh-2:0 18px 40px -18px rgba(14,43,37,.28);
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
  --sp-6:48px;
  --sp-7:72px;
  --sp-8:96px;
  --wrap:1200px;
  --wrap-narrow:980px;
  --t:180ms ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--c-txt);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--c-txt);text-decoration:none;transition:color var(--t)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;font-family:inherit}
p{margin:0}
:focus-visible{outline:2px solid var(--c-energy);outline-offset:2px;border-radius:4px}
.grid-container{max-width:var(--wrap);padding-left:24px;padding-right:24px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:var(--wrap-narrow);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-bg);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t);
}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.head-inner{
  max-width:var(--wrap);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:16px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:50%;position:relative;flex:0 0 auto;
  border:2px solid var(--c-ink);display:inline-block;
}
.logo-mark::after{
  content:"";position:absolute;inset:6px;border-radius:50%;background:var(--c-energy);
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.01em;color:var(--c-ink);white-space:nowrap}
.nav-card{
  flex:1 1 auto;min-width:0;
  display:flex;align-items:center;gap:4px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:6px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-card::-webkit-scrollbar{display:none}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;min-height:44px;
  border-radius:var(--r-sm);
  font-size:14px;color:var(--c-txt-2);
  white-space:nowrap;
  transition:background var(--t),color var(--t);
}
.nav-item i{font-size:14px;color:var(--c-txt-2);transition:color var(--t)}
.nav-item:hover{background:var(--c-bg);color:var(--c-txt)}
.nav-item:hover i{color:var(--c-ink-2)}
.nav-item:hover::after{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--c-energy);
}
.nav-item.active{color:var(--c-txt);font-weight:700;background:var(--c-bg)}
.nav-item.active i{color:var(--c-ink)}
.nav-item.active::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--c-energy);flex:0 0 auto;
}
.head-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-card);color:var(--c-ink);
  align-items:center;justify-content:center;font-size:16px;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:700;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--c-action);color:var(--c-ink);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-action-d);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink-2);color:#fff;border-color:var(--c-ink-2)}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.42)}
.btn-ghost-light:hover{border-color:var(--c-energy);color:var(--c-energy)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.link-btn{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;
  font-size:15px;font-weight:700;color:var(--c-ink);
  border-bottom:3px solid var(--c-energy);padding-bottom:2px;
}
.link-btn:hover{color:var(--c-action);border-bottom-color:var(--c-action)}

/* 移动端面板 */
.mobile-panel{
  display:none;position:fixed;inset:0;z-index:90;
  background:var(--c-ink);
  padding:20px 20px 28px;flex-direction:column;gap:20px;
  overflow-y:auto;
}
.mobile-panel.open{display:flex}
.mp-head{display:flex;align-items:center;justify-content:space-between}
.mp-head .logo-text{color:#fff}
.mp-head .logo-mark{border-color:var(--c-energy)}
.mp-close{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.16);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.mp-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mp-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-sm);
  padding:14px 14px;min-height:88px;
  display:flex;flex-direction:column;justify-content:space-between;gap:10px;
  color:#fff;font-size:15px;font-weight:700;
}
.mp-card i{font-size:18px;color:var(--c-energy)}
.mp-card.is-active{background:rgba(199,240,60,.14);border-color:rgba(199,240,60,.4)}
.mp-cta{margin-top:auto}
.mp-note{color:var(--c-foot-txt);font-size:13px;line-height:1.7}

/* ============ 页面头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  padding:48px 0 56px;
}
.page-hero::after{
  content:"";position:absolute;top:0;bottom:0;right:0;width:38%;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.28;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 65%);
  mask-image:linear-gradient(90deg,transparent 0%,#000 65%);
  pointer-events:none;
}
.page-hero > *{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-txt-2);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-txt-2)}
.breadcrumb a:hover{color:var(--c-ink)}
.breadcrumb .current{color:var(--c-txt);font-weight:700}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--c-ink-2);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--c-energy)}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.25;color:var(--c-ink);letter-spacing:-.01em;
  max-width:760px;
}
.lede{
  margin-top:16px;max-width:660px;
  font-size:17px;line-height:1.9;color:var(--c-txt-2);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;font-weight:700;
}
.badge-cat{background:rgba(199,240,60,.2);color:var(--c-ink)}
.badge-time{background:var(--c-card);border:1px solid var(--c-line);color:var(--c-txt-2)}
.badge-hot{background:var(--c-action);color:#3a1a05}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:0 0 88px}
.sec-head{margin-bottom:40px;max-width:720px}
.sec-head h2{font-size:30px;color:var(--c-ink);letter-spacing:-.01em}
.sec-head p{margin-top:12px;color:var(--c-txt-2);font-size:16px;line-height:1.8}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-head-row .sec-head{margin-bottom:0}

/* 快捷要点条 */
.quick-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.quick-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:16px;display:flex;align-items:center;gap:12px;
  font-size:14px;font-weight:700;color:var(--c-txt);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  min-height:64px;
}
.quick-card i{font-size:18px;color:var(--c-ink-2);flex:0 0 auto}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-energy)}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  display:grid;grid-template-columns:1fr 1fr;
  column-gap:72px;row-gap:28px;
}
.timeline::before{
  content:"";position:absolute;left:50%;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,transparent,var(--c-line) 6%,var(--c-line) 94%,transparent);
  transform:translateX(-.5px);
}
.tl-item{position:relative;padding-right:0}
.tl-item:nth-child(odd){padding-right:0}
.tl-node{
  position:absolute;top:22px;width:12px;height:12px;border-radius:50%;
  background:var(--c-energy);border:3px solid var(--c-bg);
  box-shadow:0 0 0 1px rgba(199,240,60,.5);
  z-index:2;
}
.tl-item:nth-child(odd) .tl-node{right:-42px}
.tl-item:nth-child(even) .tl-node{left:-42px}
.tl-card{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:20px 22px 22px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  height:100%;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-line)}
.tl-top{display:flex;align-items:flex-start;gap:14px;margin-bottom:10px}
.tl-num{
  font-size:48px;line-height:1;font-weight:800;color:var(--c-ink-2);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  padding:2px 8px 6px;border-radius:var(--r-md);
  background:rgba(199,240,60,.22);
  flex:0 0 auto;
}
.tl-title{font-size:20px;font-weight:700;color:var(--c-ink);line-height:1.4;padding-top:6px}
.tl-card p{font-size:15px;line-height:1.8;color:var(--c-txt-2)}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}
.tl-time{font-size:13px;color:var(--c-txt-2);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px;display:flex;flex-direction:column;gap:12px;
  transition:transform var(--t),box-shadow var(--t);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene-icon{
  width:46px;height:46px;border-radius:var(--r-md);
  background:rgba(199,240,60,.22);color:var(--c-ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.scene-card h3{font-size:20px;color:var(--c-ink)}
.scene-card p{font-size:15px;line-height:1.8;color:var(--c-txt-2)}

/* ============ 内容卡 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-a{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.card-a:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card-a .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg);position:relative}
.card-a .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.card-a:hover .thumb img{transform:scale(1.04)}
.card-a .thumb .badge{position:absolute;left:12px;top:12px}
.card-a .body{padding:16px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-a h3{
  font-size:18px;color:var(--c-ink);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t);
}
.card-a:hover h3{color:var(--c-ink-2)}
.card-a .excerpt{
  font-size:15px;line-height:1.7;color:var(--c-txt-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-txt-2);font-variant-numeric:tabular-nums;
}
.card-foot .arrow{color:var(--c-ink);transition:transform var(--t),color var(--t)}
.card-a:hover .card-foot .arrow{transform:translateX(4px);color:var(--c-action)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-item.open{box-shadow:var(--sh-1);border-color:var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:700;color:var(--c-ink);
  min-height:56px;
}
.faq-icon{
  width:36px;height:36px;flex:0 0 auto;border-radius:50%;
  background:rgba(199,240,60,.24);color:var(--c-ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;transition:transform var(--t),background var(--t);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--c-energy)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms ease}
.faq-a-inner{padding:0 22px 18px;font-size:15px;line-height:1.8;color:var(--c-txt-2)}

/* ============ CTA 通栏（紧凑） ============ */
.cta-band{
  background:var(--c-ink);color:#fff;border-radius:var(--r-lg);
  padding:28px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,.06);
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(199,240,60,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:20px;color:#fff;line-height:1.4}
.cta-band p{margin-top:6px;font-size:14px;color:var(--c-foot-txt)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.copy-tip{
  position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(12px);
  background:var(--c-ink);color:#fff;font-size:14px;
  padding:10px 20px;border-radius:var(--r-pill);
  border:1px solid rgba(199,240,60,.4);
  opacity:0;pointer-events:none;transition:opacity var(--t),transform var(--t);z-index:120;
}
.copy-tip.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============ 数据条 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 18px;position:relative;overflow:hidden;
}
.stat-card .idx{
  position:absolute;right:14px;top:12px;
  font-size:12px;letter-spacing:.08em;color:var(--c-txt-2);font-variant-numeric:tabular-nums;
}
.stat-card .num{
  font-size:28px;font-weight:800;color:var(--c-ink);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.stat-card .num::after{
  content:"";display:block;width:22px;height:3px;border-radius:2px;
  background:var(--c-energy);margin-top:10px;
}
.stat-card .label{margin-top:10px;font-size:13px;color:var(--c-txt-2);line-height:1.6}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);color:var(--c-foot-txt);
  border-top:1px solid var(--c-energy);
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{border-color:var(--c-energy)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--c-foot-txt);max-width:320px}
.footer-domain{margin-top:10px;font-size:13px;color:rgba(199,211,204,.7);font-variant-numeric:tabular-nums}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.7;color:var(--c-foot-txt)}
.footer-col a{color:var(--c-foot-txt)}
.footer-col a:hover{color:var(--c-energy)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(199,211,204,.78)}
.to-top{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-energy);color:var(--c-energy);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t),color var(--t),transform var(--t);
}
.to-top:hover{background:var(--c-energy);color:var(--c-ink);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .head-inner{height:68px}
  .nav-card{padding:5px}
  .nav-item{padding:8px 10px;font-size:13px}
  .quick-row{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .wrap,.wrap-narrow,.head-inner,.grid-container{padding-left:16px;padding-right:16px}
  .nav-card{display:none}
  .nav-toggle{display:inline-flex}
  .head-actions .btn{display:none}
  .section{padding:48px 0}
  .section-tight{padding:0 0 48px}
  .page-hero{padding:32px 0 40px}
  .page-hero::after{display:none}
  .sec-head{margin-bottom:28px}
  .sec-head h2{font-size:24px}
  .sec-head p{font-size:15px}
  .lede{font-size:16px}
  .timeline{grid-template-columns:1fr;column-gap:0;row-gap:16px}
  .timeline::before{display:none}
  .tl-item{padding-right:0 !important;padding-left:0 !important}
  .tl-node{display:none}
  .tl-num{font-size:36px;padding:2px 8px 4px}
  .tl-title{font-size:18px;padding-top:4px}
  .scene-grid{grid-template-columns:1fr;gap:16px}
  .grid-3{grid-template-columns:1fr;gap:16px}
  .quick-row{grid-template-columns:1fr 1fr;gap:12px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .cta-band{padding:22px 20px;flex-direction:column;align-items:stretch}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{margin-top:32px}
}
@media (max-width:480px){
  .head-inner{gap:10px}
  .logo-text{font-size:17px}
  .quick-row{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}