/* roulang page: index */
:root{
  --c-primary:#10453A;
  --c-primary-deep:#0A2E27;
  --c-accent:#C9F04E;
  --c-cta:#FF6A3D;
  --c-bg:#F6F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E2E0D6;
  --c-ink:#14201B;
  --c-ink-soft:#4A5A52;
  --r-card:16px;
  --r-cover:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,32,27,.06), 0 10px 28px -14px rgba(16,32,27,.18);
  --shadow-2:0 2px 4px rgba(16,32,27,.08), 0 18px 36px -16px rgba(16,32,27,.28);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-num:"DIN Alternate","Oswald",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:26px;position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--c-primary);}
.section-head p{margin-top:8px;color:var(--c-ink-soft);font-size:14px;}
.text-link{font-size:14px;color:var(--c-primary);border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;white-space:nowrap;}
.text-link:hover{border-color:var(--c-accent);}
.meta-num{font-family:var(--font-num);font-size:12px;letter-spacing:.06em;color:var(--c-ink-soft);}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;}
.badge-soft{background:rgba(16,69,58,.08);color:var(--c-primary);}
.badge-accent{background:var(--c-accent);color:var(--c-primary-deep);}
.badge-outline{border:1px solid var(--c-line);color:var(--c-ink-soft);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.site-header.is-compact .nav-cats{display:none;}
.site-header.is-compact .nav-top{padding:8px 0;}
.nav-top{display:flex;align-items:center;gap:24px;padding:14px 0;transition:padding .25s ease;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex:0 0 auto;
  background:var(--c-primary);color:var(--c-accent);
  display:grid;place-items:center;font-size:18px;font-weight:800;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--c-ink-soft);letter-spacing:.06em;}
.nav-search{flex:1 1 auto;display:flex;justify-content:center;min-width:0;}
.search-form{
  display:flex;align-items:center;width:100%;max-width:560px;height:48px;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:0 6px 0 16px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(16,69,58,.08);}
.search-icon{flex:0 0 auto;color:var(--c-ink-soft);display:grid;place-items:center;margin-right:10px;}
.search-form input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  color:var(--c-ink);outline:none;font-size:15px;
}
.search-form input::placeholder{color:#8A968F;}
.search-form button{
  flex:0 0 auto;height:38px;padding:0 22px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.search-form button:hover{background:#0C372E;transform:translateY(-1px);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-action{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid transparent;transition:border-color .2s ease;}
.nav-action:hover{border-color:var(--c-accent);}
.menu-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);color:var(--c-primary);cursor:pointer;font-size:18px;line-height:1;
}
.nav-cats{
  display:flex;gap:10px;padding:0 0 14px;overflow-x:auto;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:0 0 auto;padding:8px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:600;
  color:var(--c-ink-soft);background:var(--c-bg);border:1px solid var(--c-line);
  transition:all .2s ease;white-space:nowrap;
}
.cat-pill:hover{color:var(--c-primary);border-color:var(--c-primary);}
.cat-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.mobile-drawer{
  display:none;flex-direction:column;gap:8px;padding:0 0 18px;
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{
  padding:12px 16px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);font-size:14px;font-weight:600;color:var(--c-ink);
}
.mobile-drawer a.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}

/* Hero */
.hero-wrap{padding:32px 0 0;}
.hero{
  position:relative;border-radius:24px;overflow:hidden;min-height:520px;
  display:flex;align-items:center;box-shadow:var(--shadow-2);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,46,39,.94) 0%,rgba(10,46,39,.78) 48%,rgba(10,46,39,.35) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:660px;padding:72px 60px;color:#fff;}
.hero-inner h1{
  color:#fff;font-size:38px;line-height:1.28;margin-bottom:18px;
}
.hero-inner h1 span{color:var(--c-accent);}
.hero-sub{font-size:17px;color:rgba(255,255,255,.86);margin-bottom:26px;line-height:1.75;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.hero-tag{
  font-size:12.5px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.hero-tag.is-hot{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-primary-deep);font-weight:700;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;
}
.btn-primary{background:var(--c-cta);color:#fff;box-shadow:0 10px 24px -12px rgba(255,106,61,.7);}
.btn-primary:hover{background:#F2561F;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary);color:#fff;transform:translateY(-1px);}
.btn-dark{background:var(--c-primary);color:#fff;}
.btn-dark:hover{background:#0C372E;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.hero-updated{
  position:absolute;top:24px;right:24px;z-index:3;
  display:flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--c-primary);font-size:12.5px;font-weight:600;
  box-shadow:var(--shadow-1);
}
.hero-updated i{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:block;box-shadow:0 0 0 4px rgba(201,240,78,.35);}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-42px;position:relative;z-index:4;padding:0 24px;}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
}
.stat-card strong{display:block;font-family:var(--font-num);font-size:28px;letter-spacing:.02em;color:var(--c-primary);line-height:1.2;}
.stat-card span{font-size:13px;color:var(--c-ink-soft);}

/* 合集目录 */
.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.collection-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.collection-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(16,69,58,.28);}
.collection-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEAE0;}
.collection-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.collection-card:hover .collection-cover img{transform:scale(1.03);}
.collection-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.collection-body h3{font-size:18px;}
.collection-desc{font-size:13.5px;color:var(--c-ink-soft);flex:1;}
.collection-meta{display:flex;align-items:center;gap:14px;padding-top:12px;border-top:1px solid var(--c-line);}
.collection-meta .arrow{margin-left:auto;color:var(--c-primary);font-size:16px;transition:transform .25s ease;}
.collection-card:hover .collection-meta .arrow{transform:translateX(4px);}

/* 精选条目 */
.featured{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.featured-main{
  position:relative;border-radius:var(--r-cover);overflow:hidden;min-height:420px;
  display:flex;align-items:flex-end;box-shadow:var(--shadow-1);border:1px solid var(--c-line);
}
.featured-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.featured-main:hover img{transform:scale(1.03);}
.featured-main::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,46,39,.92),rgba(10,46,39,.25) 62%,rgba(10,46,39,.05));}
.featured-main-body{position:relative;z-index:2;padding:34px 34px 32px;color:#fff;}
.featured-main-body h3{color:#fff;font-size:24px;margin:12px 0 10px;}
.featured-main-body p{font-size:14.5px;color:rgba(255,255,255,.84);}
.featured-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.mini-card{
  display:flex;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.mini-thumb{flex:0 0 116px;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#EDEAE0;}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.mini-body h3{font-size:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-body p{font-size:13px;color:var(--c-ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.featured-rows{margin-top:24px;border-top:1px solid var(--c-line);}
.row-item{
  display:flex;align-items:center;gap:18px;padding:18px 12px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease,padding-left .2s ease;
}
.row-item:hover{background:#F0EEE4;padding-left:20px;}
.row-index{font-family:var(--font-num);font-size:13px;color:var(--c-accent);background:var(--c-primary);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;}
.row-item h3{font-size:16px;flex:1 1 auto;min-width:0;}
.row-item .meta-num{flex:0 0 auto;}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-1);
}
.step-card::before{
  counter-increment:step;content:counter(step);
  font-family:var(--font-num);font-size:13px;letter-spacing:.06em;
  width:32px;height:32px;border-radius:10px;background:var(--c-primary);color:var(--c-accent);
  display:grid;place-items:center;margin-bottom:16px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:13.5px;color:var(--c-ink-soft);}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.news-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(16,69,58,.28);}
.news-title{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-sum{font-size:14px;color:var(--c-ink-soft);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--c-line);margin-top:auto;}
.news-more{font-size:13.5px;font-weight:700;color:var(--c-primary);border-bottom:1px solid transparent;transition:border-color .2s ease;}
.news-more:hover{border-color:var(--c-accent);}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  padding:52px 24px;text-align:center;color:var(--c-ink-soft);font-size:15px;
}

/* 热门分类 chips */
.chips{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);font-size:14px;font-weight:600;
  color:var(--c-ink);transition:all .2s ease;box-shadow:var(--shadow-1);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.chip em{font-style:normal;font-family:var(--font-num);font-size:12px;color:var(--c-ink-soft);letter-spacing:.06em;}

/* FAQ */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 18px;position:relative;
  font-size:16px;font-weight:700;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:4px;background:var(--c-primary);
}
.faq-item summary::after{
  content:"⌄";position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:18px;color:var(--c-primary);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);}
.faq-item p{padding:0 44px 24px 18px;font-size:15px;color:var(--c-ink-soft);}

/* CTA 条 */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  background:var(--c-primary-deep);border-radius:var(--r-cover);
  padding:34px 40px;color:#fff;box-shadow:var(--shadow-2);
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-blend-mode:multiply;
}
.cta-bar-text{flex:1 1 320px;}
.cta-bar-text h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-bar-text p{color:rgba(255,255,255,.8);font-size:14px;}
.cta-bar-actions{display:flex;flex-wrap:wrap;gap:12px;}
.share-btn{
  background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;
  height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;transition:all .22s ease;
}
.share-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.save-btn{
  background:var(--c-cta);border:1px solid var(--c-cta);color:#fff;
  height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;transition:all .22s ease;
}
.save-btn:hover{background:#F2561F;transform:translateY(-1px);}
.save-btn.is-saved{background:transparent;border-color:var(--c-accent);color:var(--c-accent);}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.75);margin-top:88px;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-accent);color:var(--c-primary-deep);}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.55);font-weight:700;margin-bottom:18px;text-transform:uppercase;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.78);border-bottom:1px solid transparent;transition:all .2s ease;}
.footer-col ul a:hover{color:var(--c-accent);border-color:var(--c-accent);}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--c-accent);}

/* 响应式 */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-action{display:none;}
  .hero-inner{padding:56px 40px;}
  .hero-inner h1{font-size:32px;}
  .stats{grid-template-columns:repeat(2,1fr);padding:0 12px;}
  .collection-grid{grid-template-columns:repeat(2,1fr);}
  .featured{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .nav-top{flex-wrap:wrap;gap:12px;padding:12px 0;}
  .brand-text em{display:none;}
  .nav-search{order:3;flex:1 1 100%;}
  .search-form{max-width:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cats{display:none;}
  .hero{min-height:auto;border-radius:18px;}
  .hero-inner{padding:44px 26px;}
  .hero-inner h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .hero-updated{position:static;margin:0 0 18px;width:fit-content;}
  .hero-inner{padding-top:26px;}
  .stats{grid-template-columns:1fr 1fr;gap:14px;margin-top:20px;}
  .collection-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .featured-main{min-height:320px;}
  .featured-main-body{padding:24px;}
  .mini-card{flex-direction:column;}
  .mini-thumb{flex:1 1 auto;width:100%;}
  .row-item{flex-wrap:wrap;gap:10px;}
  .row-item h3{flex:1 1 100%;}
  .cta-bar{padding:28px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:22px;}
  .hero-inner h1{font-size:23px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .cta-bar-actions{width:100%;flex-direction:column;}
  .stats{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --c-primary:#10453A;
  --c-primary-deep:#0A2E27;
  --c-accent:#C9F04E;
  --c-cta:#FF6A3D;
  --c-bg:#F6F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E2E0D6;
  --c-ink:#14201B;
  --c-ink-soft:#4A5A52;
  --c-sand:#F1EFE6;

  --r-card:16px;
  --r-cover:20px;
  --r-btn:12px;
  --r-pill:999px;

  --shadow-1:0 1px 2px rgba(16,32,27,.06), 0 10px 28px -14px rgba(16,32,27,.18);
  --shadow-2:0 2px 4px rgba(16,32,27,.08), 0 18px 36px -16px rgba(16,32,27,.28);

  --container:1200px;
  --gutter:32px;
  --section-gap:88px;

  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --font-mono:"Oswald","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:120px;
}

body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(circle at 18% 8%, rgba(201,240,78,.10), transparent 42%),
    radial-gradient(circle at 88% 72%, rgba(16,69,58,.06), transparent 46%);
}

img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary-deep);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.35;}
p{margin:0;}

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

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
  position:relative;
  z-index:1;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,245,239,.94);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease, background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(246,245,239,.98);}
.site-header.is-scrolled .nav-cats{display:none;}

.header-top{
  display:flex;
  align-items:center;
  gap:24px;
  padding:14px 0 12px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:var(--c-accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:800;
  flex:0 0 auto;
  box-shadow:0 6px 16px -8px rgba(16,69,58,.7);
}
.brand-text{white-space:nowrap;}

.search-form{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  max-width:560px;
  margin:0 auto;
  height:48px;
  padding:4px 4px 4px 46px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.search-form:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(201,240,78,.35);
}
.search-ico{
  position:absolute;
  left:17px;
  top:50%;
  transform:translateY(-50%);
  width:18px;
  height:18px;
  color:var(--c-ink-soft);
}
.search-form input[type="search"]{
  flex:1 1 auto;
  min-width:0;
  height:38px;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
  color:var(--c-ink);
}
.search-form input[type="search"]::placeholder{color:#93a09a;}
.search-btn{
  flex:0 0 auto;
  height:38px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:700;
  transition:background-color .2s ease, transform .2s ease;
}
.search-btn:hover{background:var(--c-primary-deep);transform:translateY(-1px);}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.header-link{
  font-size:14px;
  font-weight:600;
  color:var(--c-ink-soft);
  padding:8px 12px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  white-space:nowrap;
}
.header-link:hover{color:var(--c-primary);border-color:var(--c-line);background:var(--c-surface);}
.menu-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
}

.nav-cats{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:0 0 14px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink-soft);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:all .2s ease;
}
.cat-pill:hover{
  color:var(--c-primary);
  border-color:var(--c-primary);
  transform:translateY(-1px);
}
.cat-pill.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
}
.cat-pill.is-active:hover{color:#fff;}

/* ============ 主体区 ============ */
.page-main{
  padding:36px 0 0;
}

.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--c-ink-soft);
  margin-bottom:28px;
}
.breadcrumb a{color:var(--c-ink-soft);border-bottom:1px solid transparent;padding-bottom:1px;}
.breadcrumb a:hover{color:var(--c-primary);border-bottom-color:var(--c-accent);}
.breadcrumb .sep{color:#c3c0b3;}
.breadcrumb .current{color:var(--c-ink);font-weight:600;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{
  max-width:760px;
  margin:0 auto 34px;
}
.article-head .head-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:rgba(16,69,58,.08);
  border:1px solid rgba(16,69,58,.18);
  color:var(--c-primary);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
}
.article-head h1{
  font-size:34px;
  line-height:1.36;
  font-weight:800;
  margin:18px 0 16px;
  color:var(--c-ink);
  word-break:break-word;
}
.article-lead{
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-soft);
  padding-left:16px;
  border-left:3px solid var(--c-accent);
  margin-bottom:26px;
  word-break:break-word;
}

.meta-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 0;
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.meta-left{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--c-ink-soft);
}
.meta-left .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);}
.meta-actions{display:flex;gap:10px;flex-wrap:wrap;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn:active{transform:translateY(0);}
.btn-cta{background:var(--c-cta);color:#fff;}
.btn-cta:hover{background:#f05a2b;color:#fff;}
.btn-cta.is-saved{background:transparent;color:var(--c-cta);border-color:var(--c-cta);box-shadow:none;}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary);color:#fff;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px);
  justify-content:center;
  gap:44px;
  padding-bottom:20px;
}

.article-content{
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  word-break:break-word;
  overflow-wrap:break-word;
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 20px;}
.article-content h2{
  font-size:26px;
  font-weight:800;
  line-height:1.4;
  margin:44px 0 18px;
  padding-left:16px;
  border-left:4px solid var(--c-primary);
  scroll-margin-top:130px;
}
.article-content h3{
  font-size:19px;
  font-weight:700;
  margin:30px 0 14px;
  color:var(--c-primary-deep);
  scroll-margin-top:130px;
}
.article-content h4{font-size:17px;font-weight:700;margin:24px 0 12px;}
.article-content ul,
.article-content ol{
  padding-left:24px;
  margin:0 0 22px;
}
.article-content li{margin-bottom:10px;}
.article-content li::marker{color:var(--c-primary);font-weight:700;}
.article-content blockquote{
  margin:26px 0;
  padding:20px 24px;
  background:var(--c-sand);
  border-left:4px solid var(--c-primary);
  border-radius:0 14px 14px 0;
  color:var(--c-ink-soft);
  font-size:15.5px;
  line-height:1.85;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:16px;
  margin:26px 0 10px;
  background:var(--c-sand);
  box-shadow:var(--shadow-1);
}
.article-content figure{margin:26px 0;}
.article-content figcaption{
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--c-ink-soft);
  text-align:center;
  margin-top:10px;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:14.5px;
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow:hidden;
}
.article-content thead{background:var(--c-primary);color:#fff;}
.article-content th,
.article-content td{
  padding:12px 16px;
  text-align:left;
  border-bottom:1px solid var(--c-line);
}
.article-content tbody tr:nth-child(even){background:var(--c-sand);}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content a{
  color:var(--c-primary);
  border-bottom:1px solid var(--c-accent);
  padding-bottom:1px;
}
.article-content a:hover{color:var(--c-primary-deep);}
.article-content code{
  background:var(--c-sand);
  padding:2px 7px;
  border-radius:6px;
  font-size:14px;
}
.article-content hr{
  border:0;
  border-top:1px solid var(--c-line);
  margin:36px 0;
}

/* 目录 */
.toc{
  align-self:start;
  position:sticky;
  top:120px;
  padding:22px 20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}
.toc-title{
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.14em;
  color:var(--c-ink-soft);
  text-transform:uppercase;
  margin-bottom:14px;
}
.toc ul{list-style:none;padding:0;margin:0;}
.toc li{margin-bottom:10px;}
.toc a{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--c-ink-soft);
  border-left:2px solid transparent;
  padding-left:12px;
  transition:all .2s ease;
}
.toc a:hover{color:var(--c-primary);border-left-color:var(--c-accent);}

/* 文末 */
.article-foot{
  max-width:760px;
  margin:56px auto 0;
  padding-top:28px;
  border-top:1px solid var(--c-line);
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:26px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  font-size:13.5px;
  color:var(--c-ink-soft);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}

.back-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
}

/* 空态 */
.empty-state{
  max-width:760px;
  margin:0 auto;
  padding:64px 40px;
  text-align:center;
  background:var(--c-surface);
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}
.empty-state h1{
  font-size:26px;
  font-weight:800;
  margin-bottom:14px;
  color:var(--c-ink);
}
.empty-state p{
  font-size:15px;
  color:var(--c-ink-soft);
  margin-bottom:24px;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--section-gap);
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.76);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  background:rgba(201,240,78,.14);
  color:var(--c-accent);
  box-shadow:none;
}
.footer-brand strong{
  color:#fff;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
}
.footer-col p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:360px;
}
.footer-col h4{
  font-size:13px;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--c-accent);
  margin-bottom:18px;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:12px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.76);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.footer-col a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:22px 0;
  font-size:13px;
  color:rgba(255,255,255,.52);
  letter-spacing:.02em;
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,760px);}
  .toc{display:none;}
}

@media (max-width:1023px){
  :root{--gutter:24px;--section-gap:64px;}
  .header-top{flex-wrap:wrap;gap:12px;}
  .brand{flex:1 1 auto;}
  .search-form{order:3;flex:1 1 100%;max-width:none;margin:0;}
  .menu-toggle{display:inline-flex;}
  .header-link{display:none;}
  .nav-cats{display:none;}
  .nav-cats.is-open{display:flex;flex-wrap:wrap;padding-bottom:16px;}
  .cat-pill{flex:0 1 auto;}
  .article-head h1{font-size:29px;}
  .article-content h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:640px){
  :root{--gutter:20px;--section-gap:44px;}
  body{font-size:15.5px;}
  .page-main{padding-top:24px;}
  .article-head h1{font-size:25px;line-height:1.4;}
  .article-lead{font-size:15px;padding-left:14px;}
  .article-content{font-size:15.5px;line-height:1.85;}
  .article-content h2{font-size:21px;margin-top:34px;}
  .article-content h3{font-size:17.5px;}
  .article-content table{font-size:13.5px;}
  .article-content th,.article-content td{padding:10px 12px;}
  .meta-bar{flex-direction:column;align-items:flex-start;}
  .meta-actions{width:100%;}
  .meta-actions .btn{flex:1 1 auto;}
  .breadcrumb .current{max-width:180px;}
  .empty-state{padding:44px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}

/* Foundation 覆盖 */
.reveal,.columns,[class*="column"]{min-width:0;}
table{border-collapse:collapse;}
button,.button{border-radius:var(--r-btn);}

/* roulang page: category2 */
:root{
  --c-primary:#10453A;
  --c-primary-deep:#0A2E27;
  --c-accent:#C9F04E;
  --c-cta:#FF6A3D;
  --c-bg:#F6F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E2E0D6;
  --c-ink:#14201B;
  --c-ink-soft:#4A5A52;
  --r-card:16px;
  --r-cover:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,32,27,.06),0 10px 28px -14px rgba(16,32,27,.18);
  --shadow-2:0 2px 4px rgba(16,32,27,.06),0 18px 36px -16px rgba(16,32,27,.28);
  --w:1200px;
  --font-mono:"Oswald",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,239,.95);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.nav-top{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:26px;padding:14px 0 10px;
  transition:padding .25s ease;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:none;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:none;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  color:var(--c-accent);display:grid;place-items:center;
  font-weight:800;font-size:19px;letter-spacing:0;
  box-shadow:0 6px 16px -8px rgba(16,69,58,.7);
}
.brand-text{font-weight:800;font-size:17.5px;color:var(--c-ink);white-space:nowrap;letter-spacing:-.01em;}
.nav-search{
  position:relative;display:flex;align-items:center;
  height:48px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);padding:0 6px 0 46px;
  transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(201,240,78,.4);}
.nav-search .s-icon{
  position:absolute;left:17px;width:18px;height:18px;
  color:var(--c-ink-soft);pointer-events:none;
}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  outline:none;font-size:15px;
}
.nav-search input::placeholder{color:#93a19a;}
.nav-search button{
  flex:none;height:36px;padding:0 22px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-weight:700;font-size:14px;
  cursor:pointer;transition:background .2s,transform .2s;
}
.nav-search button:hover{background:var(--c-primary-deep);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);display:grid;place-items:center;cursor:pointer;
  color:var(--c-ink-soft);transition:.2s;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.nav-cats{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:none;padding:8px 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;font-weight:600;color:var(--c-ink-soft);
  white-space:nowrap;transition:.2s;
}
.cat-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.cat-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
body.nav-condensed .nav-cats{display:none;}
body.nav-condensed .nav-top{padding:9px 0;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);padding:44px 0 46px;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(16,69,58,.08) 1px,transparent 1px);
  background-size:18px 18px;opacity:.7;
}
.page-head .container{position:relative;z-index:1;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-soft);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{border-bottom:1px solid transparent;transition:.2s;}
.crumbs a:hover{color:var(--c-primary);border-bottom-color:var(--c-accent);}
.crumbs .sep{color:#b6beb9;}
.crumbs .cur{color:var(--c-ink);font-weight:600;}
.head-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;align-items:center;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag{
  padding:4px 13px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700;
  background:rgba(201,240,78,.42);color:#25431c;border:1px solid rgba(37,67,28,.14);
}
.tag.plain{background:rgba(16,69,58,.07);color:var(--c-primary);border-color:rgba(16,69,58,.14);}
.page-head h1{font-size:36px;line-height:1.28;margin-bottom:16px;}
.head-lead{font-size:16px;color:var(--c-ink-soft);max-width:620px;}
.head-lead + .head-lead{margin-top:10px;}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.stat{
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:14px;
  padding:12px 20px;min-width:132px;
}
.stat b{display:block;font-family:var(--font-mono);font-size:20px;letter-spacing:.04em;color:var(--c-primary);font-weight:600;line-height:1.3;}
.stat span{font-size:12.5px;color:var(--c-ink-soft);}
.head-art{
  border-radius:var(--r-cover);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--shadow-1);background:#efece2;
}
.head-art img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 筛选条 ---------- */
.filter-bar{background:var(--c-bg);border-bottom:1px solid var(--c-line);padding:14px 0;}
.filter-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;}
.filter-inner::-webkit-scrollbar{display:none;}
.filter-label{flex:none;font-size:12.5px;letter-spacing:.1em;color:var(--c-ink-soft);font-weight:700;padding-right:6px;}
.chip{
  flex:none;padding:7px 15px;border-radius:var(--r-pill);
  border:1px dashed var(--c-line);background:var(--c-surface);
  font-size:13px;color:var(--c-ink-soft);transition:.2s;white-space:nowrap;
}
.chip:hover{border-style:solid;border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-on{background:rgba(16,69,58,.08);border:1px solid var(--c-primary);color:var(--c-primary);font-weight:700;}

/* ---------- 目录双栏 ---------- */
.index-wrap{padding:56px 0 20px;}
.index-grid{display:grid;grid-template-columns:252px minmax(0,1fr);gap:48px;align-items:start;}
.toc{position:sticky;top:112px;}
.toc-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 18px;box-shadow:var(--shadow-1);
}
.toc-card h2{font-size:13px;letter-spacing:.14em;color:var(--c-ink-soft);font-weight:700;margin-bottom:14px;}
.toc-list li + li{margin-top:2px;}
.toc-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:14.5px;
  color:var(--c-ink-soft);transition:.18s;
}
.toc-list a:hover{background:var(--c-bg);color:var(--c-primary);}
.toc-list a.is-current{background:var(--c-primary);color:#fff;font-weight:700;}
.toc-list .count{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;opacity:.75;}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:12.5px;color:var(--c-ink-soft);line-height:1.8;
}

/* ---------- 条目分组 ---------- */
.group{scroll-margin-top:140px;}
.group + .group{margin-top:56px;}
.group-head{
  display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;
  padding-bottom:14px;border-bottom:2px solid var(--c-primary);margin-bottom:4px;
}
.group-head h2{font-size:24px;}
.group-head .count{font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;color:var(--c-ink-soft);}
.group-intro{margin:14px 0 4px;font-size:14.5px;color:var(--c-ink-soft);max-width:760px;}
.row{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:22px;align-items:start;
  padding:22px 16px;border-bottom:1px solid var(--c-line);border-radius:12px;
  transition:background .2s,transform .2s;
}
.row:hover{background:rgba(16,69,58,.045);}
.row-idx{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;
  color:var(--c-primary);background:rgba(16,69,58,.07);
  border:1px solid rgba(16,69,58,.14);border-radius:9px;
  padding:3px 9px;margin-top:3px;
}
.row h3{font-size:18px;line-height:1.55;}
.row h3 a{transition:.2s;}
.row h3 a:hover{color:var(--c-primary);box-shadow:inset 0 -2px 0 var(--c-accent);}
.row-desc{
  margin-top:7px;color:var(--c-ink-soft);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-meta{margin-top:11px;display:flex;flex-wrap:wrap;gap:9px 16px;align-items:center;font-size:12.5px;color:var(--c-ink-soft);}
.row-meta time{font-family:var(--font-mono);letter-spacing:.05em;}
.row-go{
  font-size:13px;font-weight:700;color:var(--c-primary);white-space:nowrap;
  margin-top:5px;transition:.2s;
}
.row:hover .row-go{color:var(--c-cta);transform:translateX(3px);}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:48px;}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 15px;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;font-weight:600;color:var(--c-ink-soft);transition:.2s;
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.pager .is-cur{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- 相关分类 ---------- */
.related{padding:64px 0 0;}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:20px;}
.sec-head h2{font-size:24px;}
.sec-head .more{font-size:13.5px;font-weight:700;color:var(--c-primary);border-bottom:1px solid transparent;transition:.2s;}
.sec-head .more:hover{border-bottom-color:var(--c-accent);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- FAQ ---------- */
.faq-sec{padding:72px 0 0;}
.faq-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.faq-list details{border-bottom:1px solid var(--c-line);}
.faq-list details:last-child{border-bottom:0;}
.faq-list summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 52px 20px 22px;font-size:16px;font-weight:700;
  transition:background .2s;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;
  border-radius:0 4px 4px 0;background:var(--c-primary);
}
.faq-list summary::after{
  content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--c-ink-soft);border-bottom:2px solid var(--c-ink-soft);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq-list details[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-list summary:hover{background:var(--c-bg);}
.faq-list .faq-a{padding:0 52px 22px 22px;color:var(--c-ink-soft);font-size:15px;line-height:1.85;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  position:relative;overflow:hidden;margin-top:76px;
  background:var(--c-primary-deep);border-radius:var(--r-cover);
  padding:34px 38px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;color:#fff;
}
.cta-bar::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(201,240,78,.28),transparent 68%);
  pointer-events:none;
}
.cta-bar h2{font-size:23px;margin-bottom:8px;}
.cta-bar p{font-size:14.5px;color:#a9c2ba;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;border:1px solid transparent;
  cursor:pointer;transition:.2s;white-space:nowrap;
}
.btn-primary{background:var(--c-cta);color:#fff;}
.btn-primary:hover{background:#f2592b;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);}
.btn-outline{background:var(--c-surface);border-color:var(--c-line);color:var(--c-ink);}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn.is-saved{background:transparent;border-color:var(--c-accent);color:var(--c-accent);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#cfdcd6;padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;color:#fff;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:17px;border-radius:12px;background:rgba(201,240,78,.15);color:var(--c-accent);box-shadow:none;}
.footer-brand strong{font-size:16.5px;font-weight:800;}
.footer-col p{font-size:14px;line-height:1.9;color:#9fb3ad;}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:#b9c9c3;border-bottom:1px solid transparent;transition:.2s;}
.footer-col a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:12px;
  flex-wrap:wrap;font-size:13px;color:#8ba39c;
}
.footer-bottom a{color:#b9c9c3;transition:.2s;}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:14px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);display:grid;place-items:center;
  box-shadow:var(--shadow-1);cursor:pointer;opacity:0;visibility:hidden;transition:.25s;
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .head-grid{grid-template-columns:minmax(0,1fr) 280px;gap:36px;}
}
@media (max-width:1023px){
  .nav-top{grid-template-columns:1fr auto;row-gap:12px;gap:14px;}
  .brand{grid-column:1;grid-row:1;}
  .nav-actions{grid-column:2;grid-row:1;}
  .nav-search{grid-column:1 / -1;grid-row:2;height:46px;}
  .container{padding:0 26px;}
  .head-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .head-art{max-width:520px;}
  .page-head h1{font-size:31px;}
  .index-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .toc{position:static;}
  .toc-card{padding:18px 16px;}
  .toc-list{display:flex;flex-wrap:wrap;gap:8px;}
  .toc-list li + li{margin-top:0;}
  .toc-list a{background:var(--c-bg);border-radius:var(--r-pill);padding:7px 14px;font-size:13.5px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .group-head h2{font-size:21px;}
  .sec-head h2,.cta-bar h2{font-size:21px;}
  .faq-list .faq-a{padding-right:22px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .page-head{padding:32px 0 36px;}
  .page-head h1{font-size:26px;}
  .head-lead{font-size:15px;}
  .stat{min-width:110px;padding:10px 16px;}
  .index-wrap{padding:36px 0 10px;}
  .row{grid-template-columns:minmax(0,1fr);gap:12px;padding:20px 10px;}
  .row-idx{justify-self:start;}
  .row-go{margin-top:2px;}
  .cta-bar{padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .to-top{right:16px;bottom:16px;}
  .nav-search button{padding:0 16px;font-size:13.5px;}
}

/* roulang page: category1 */
/* ============ 设计令牌 ============ */
:root{
  --c-primary:#10453A;
  --c-primary-deep:#0A2E27;
  --c-accent:#C9F04E;
  --c-cta:#FF6A3D;
  --c-bg:#F6F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E2E0D6;
  --c-ink:#14201B;
  --c-ink-soft:#4A5A52;
  --r-card:16px;
  --r-cover:20px;
  --r-btn:12px;
  --shadow-1:0 1px 2px rgba(16,32,27,.06), 0 10px 28px -14px rgba(16,32,27,.18);
  --shadow-2:0 2px 4px rgba(16,32,27,.08), 0 18px 36px -16px rgba(16,32,27,.28);
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,"Courier New",monospace;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --section-y:88px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;}
a:hover{border-bottom-color:var(--c-accent);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-accent);color:var(--c-primary-deep);}
.foundation-reset-fix,.row,.column{max-width:none;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,245,239,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-compact{box-shadow:var(--shadow-1);}
.header-top{padding:14px 0 12px;}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  border-bottom:0;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--c-primary);
  color:var(--c-accent);
  font-weight:800;
  font-size:19px;
  letter-spacing:-0.02em;
  box-shadow:var(--shadow-1);
  flex-shrink:0;
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
}
.brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--c-primary-deep);
  white-space:nowrap;
}
.brand-sub{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--c-ink-soft);
  text-transform:uppercase;
}
.brand:hover .brand-name{border-bottom-color:transparent;}

.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  height:48px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:999px;
  box-shadow:var(--shadow-1);
  padding-left:18px;
  padding-right:5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(16,69,58,.10),var(--shadow-1);
}
.nav-search .fa-magnifying-glass{
  color:var(--c-ink-soft);
  font-size:15px;
  margin-right:12px;
}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  font-size:15px;
  color:var(--c-ink);
  outline:none;
}
.nav-search input::placeholder{color:#93A29A;}
.search-submit{
  flex:0 0 auto;
  height:38px;
  padding:0 22px;
  border-radius:999px;
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.search-submit:hover{background:#0C362D;transform:translateY(-1px);box-shadow:var(--shadow-1);}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-primary);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.menu-toggle{display:none;}

/* 分类胶囊行 */
.nav-cats-wrap{border-top:1px solid var(--c-line);transition:max-height .3s ease,opacity .25s ease;}
.site-header.is-compact .nav-cats-wrap{max-height:0;opacity:0;overflow:hidden;border-top-color:transparent;}
.nav-cats{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 0 13px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  font-size:14px;
  font-weight:600;
  color:var(--c-ink-soft);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.cat-pill:hover{
  color:var(--c-primary);
  border-color:var(--c-primary);
  transform:translateY(-1px);
}
.cat-pill.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
}
.cat-pill.is-active:hover{color:#fff;}

/* 移动抽屉 */
.nav-drawer{
  display:none;
  padding:8px 0 18px;
  border-top:1px solid var(--c-line);
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;
  padding:12px 4px;
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.nav-drawer a.is-active{color:var(--c-primary);}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  font-size:13px;
  color:var(--c-ink-soft);
}
.crumb a{border-bottom:1px solid transparent;}
.crumb a:hover{border-bottom-color:var(--c-accent);color:var(--c-primary);}
.crumb .sep{color:#B7B5A7;}
.crumb .current{color:var(--c-primary);font-weight:700;}

/* ============ Hero（分类页：左文右图 + 数据条） ============ */
.cat-hero{padding:34px 0 8px;}
.hero-panel{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:36px;
  align-items:stretch;
  background:var(--c-primary-deep);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.hero-copy{
  padding:52px 44px 46px;
  color:#EAF0EA;
  position:relative;
}
.hero-copy::after{
  content:"";
  position:absolute;
  right:0;top:0;bottom:0;
  width:1px;
  background:linear-gradient(180deg,rgba(201,240,78,0) 0%,rgba(201,240,78,.35) 50%,rgba(201,240,78,0) 100%);
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(201,240,78,.14);
  border:1px solid rgba(201,240,78,.42);
  color:var(--c-accent);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  margin-bottom:22px;
}
.hero-title{
  font-size:36px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-0.01em;
  color:#fff;
  margin-bottom:16px;
}
.hero-sub{
  font-size:16px;
  line-height:1.85;
  color:#C4D3CA;
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border-bottom:0;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--c-cta);color:#231208;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);border-bottom-color:transparent;color:#231208;background:#FF7C52;}
.btn-ghost{
  background:transparent;
  color:#EAF0EA;
  border:1px solid rgba(234,240,234,.42);
}
.btn-ghost:hover{border-color:var(--c-accent);color:#fff;transform:translateY(-1px);}
.btn-outline{
  background:var(--c-surface);
  color:var(--c-primary);
  border:1px solid var(--c-line);
}
.btn-outline:hover{border-color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.hero-media{
  position:relative;
  min-height:340px;
  background:var(--c-primary);
}
.hero-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,46,39,.88) 0%,rgba(10,46,39,.28) 52%,rgba(10,46,39,.12) 100%);
}
.hero-stamp{
  position:absolute;
  right:18px;
  top:18px;
  z-index:2;
  padding:9px 15px;
  border-radius:999px;
  background:rgba(10,46,39,.82);
  border:1px solid rgba(201,240,78,.45);
  color:var(--c-accent);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
}

/* 数据条 */
.hero-stats{
  grid-column:1 / -1;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid rgba(234,240,234,.14);
  background:rgba(6,30,25,.55);
}
.stat{
  padding:20px 26px;
  border-right:1px solid rgba(234,240,234,.12);
}
.stat:last-child{border-right:0;}
.stat-num{
  font-family:var(--mono);
  font-size:24px;
  font-weight:700;
  color:var(--c-accent);
  letter-spacing:.02em;
}
.stat-label{
  font-size:13px;
  color:#A9BBB1;
  letter-spacing:.04em;
  margin-top:4px;
}

/* ============ 通用板块 ============ */
.section{padding:var(--section-y) 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:22px;
  margin-bottom:34px;
  border-bottom:1px solid var(--c-line);
  position:relative;
}
.section-head::before{
  content:"";
  position:absolute;
  left:0;bottom:-1px;
  width:78px;height:3px;
  background:var(--c-primary);
  border-radius:3px;
}
.section-title{
  font-size:26px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--c-primary-deep);
  line-height:1.35;
}
.section-title small{
  display:block;
  font-family:var(--mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.1em;
  color:var(--c-ink-soft);
  margin-top:8px;
  text-transform:uppercase;
}
.section-link{
  font-size:14px;
  font-weight:700;
  color:var(--c-primary);
  white-space:nowrap;
}
.section-link:hover{border-bottom-color:var(--c-accent);}
.section-lead{
  font-size:15px;
  color:var(--c-ink-soft);
  max-width:760px;
  margin:-16px 0 32px;
}

/* ============ 封面墙 ============ */
.cover-wall{
  display:grid;
  grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);
  gap:26px;
  align-items:start;
}
.wall-card{
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.wall-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#CFCDBF;border-bottom-color:#CFCDBF;}
.wall-main .wall-media{aspect-ratio:16/9;}
.wall-media{
  position:relative;
  overflow:hidden;
  background:#EFEDE3;
}
.wall-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.wall-card:hover .wall-media img{transform:scale(1.03);}
.wall-media .tag-float{
  position:absolute;
  left:14px;top:14px;
  z-index:2;
}
.wall-body{padding:20px 22px 22px;}
.wall-title{
  font-size:19px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--c-primary-deep);
  line-height:1.45;
  margin-bottom:8px;
}
.wall-main .wall-title{font-size:22px;}
.wall-desc{
  font-size:14px;
  color:var(--c-ink-soft);
  line-height:1.75;
  margin-bottom:14px;
}
.wall-meta{
  display:flex;
  align-items:center;
  gap:16px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-ink-soft);
  border-top:1px dashed var(--c-line);
  padding-top:13px;
}
.wall-meta .arrow{margin-left:auto;color:var(--c-primary);transition:transform .25s ease;}
.wall-card:hover .wall-meta .arrow{transform:translateX(4px);}
.wall-side{display:grid;gap:26px;}
.wall-side .wall-card:nth-child(2){margin-left:22px;}
@media (min-width:1024px){
  .wall-side{grid-template-columns:1fr;}
}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.03em;
  background:#EDF1EE;
  color:var(--c-primary);
  border:1px solid #DCE4DF;
}
.tag-float.badge{
  background:rgba(10,46,39,.86);
  color:var(--c-accent);
  border-color:rgba(201,240,78,.45);
}
.badge-accent{background:rgba(201,240,78,.22);color:#235024;border-color:rgba(201,240,78,.65);}
.badge-soft{background:#F1EFE6;color:var(--c-ink-soft);border-color:var(--c-line);}
.badge-dot::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--c-cta);
  display:inline-block;
}

/* ============ 筛选 chips ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:16px 18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  margin-bottom:30px;
}
.filter-label{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-ink-soft);
  margin-right:6px;
}
.chip{
  padding:7px 15px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:#FBFAF5;
  font-size:13px;
  font-weight:600;
  color:var(--c-ink-soft);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ============ 条目清单（两列卡片） ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.entry-card{
  display:grid;
  grid-template-columns:172px minmax(0,1fr);
  gap:18px;
  padding:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.entry-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#CFCDBF;border-bottom-color:#CFCDBF;}
.entry-thumb{
  aspect-ratio:4/3;
  border-radius:12px;
  overflow:hidden;
  background:#EFEDE3;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-body{display:flex;flex-direction:column;min-width:0;}
.entry-title{
  font-size:17px;
  font-weight:800;
  line-height:1.5;
  letter-spacing:-0.01em;
  color:var(--c-primary-deep);
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-card:hover .entry-title{color:var(--c-primary);}
.entry-desc{
  font-size:13.5px;
  line-height:1.75;
  color:var(--c-ink-soft);
  margin-bottom:14px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:auto;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-ink-soft);
}
.entry-meta .go{margin-left:auto;color:var(--c-primary);font-weight:700;transition:transform .2s ease;}
.entry-card:hover .entry-meta .go{transform:translateX(3px);}

/* ============ 分页 ============ */
.pager{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  margin-top:44px;
  flex-wrap:wrap;
}
.pager a,.pager span{
  min-width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 14px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  font-size:14px;
  font-weight:600;
  color:var(--c-ink-soft);
  transition:all .2s ease;
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.pager .is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.pager .is-disabled{opacity:.45;cursor:not-allowed;}

/* ============ 相关分类 chips ============ */
.rel-box{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  padding:26px 28px;
  border-radius:var(--r-card);
  background:var(--c-surface);
  border:1px dashed var(--c-line);
}
.rel-title{
  font-size:14px;
  font-weight:800;
  color:var(--c-primary-deep);
  margin-right:6px;
  letter-spacing:.02em;
}

/* ============ FAQ ============ */
.faq-list{
  border-top:1px solid var(--c-line);
}
.faq-item{
  border-bottom:1px solid var(--c-line);
}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  gap:14px;
  padding:22px 4px 22px 18px;
  font-size:16px;
  font-weight:700;
  color:var(--c-primary-deep);
  position:relative;
  cursor:pointer;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:24px;bottom:24px;
  width:4px;
  border-radius:2px;
  background:var(--c-primary);
}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary .chev{
  margin-left:auto;
  color:var(--c-ink-soft);
  font-size:13px;
  transition:transform .25s ease;
}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-answer{
  padding:0 4px 24px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-soft);
  max-width:860px;
}

/* ============ CTA 条 ============ */
.cta-band{
  margin-top:var(--section-y);
  background:var(--c-primary);
  border-radius:24px;
  padding:34px 40px;
  display:flex;
  align-items:center;
  gap:26px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-2);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  border:1px solid rgba(201,240,78,.25);
}
.cta-copy{flex:1 1 380px;min-width:0;}
.cta-copy h3{
  font-size:21px;
  font-weight:800;
  color:#fff;
  letter-spacing:-0.01em;
  margin-bottom:8px;
}
.cta-copy p{
  font-size:14px;
  color:#BCCFC4;
  line-height:1.8;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}
.btn-fav{
  background:var(--c-cta);
  color:#231208;
}
.btn-fav:hover{background:#FF7C52;transform:translateY(-1px);box-shadow:var(--shadow-2);color:#231208;}
.btn-fav.is-active{
  background:transparent;
  color:var(--c-accent);
  border:1px solid var(--c-accent);
}
.btn-share{
  background:transparent;
  color:#EAF0EA;
  border:1px solid rgba(234,240,234,.42);
}
.btn-share:hover{border-color:var(--c-accent);color:#fff;transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--c-primary-deep);
  color:#C3D2C9;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:52px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  background:var(--c-accent);
  color:var(--c-primary-deep);
  box-shadow:none;
}
.footer-brand strong{
  font-size:17px;
  font-weight:800;
  color:#fff;
  letter-spacing:-0.01em;
}
.footer-col p{
  font-size:14px;
  line-height:1.85;
  color:#9FB3A9;
  max-width:400px;
}
.footer-col h4{
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  color:var(--c-accent);
  margin-bottom:18px;
  text-transform:uppercase;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{
  font-size:14px;
  color:#C3D2C9;
  border-bottom:1px solid transparent;
}
.footer-col ul a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(234,240,234,.14);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  justify-content:space-between;
  font-size:13px;
  color:#8FA398;
}
.footer-bottom a{color:#C3D2C9;}
.footer-bottom a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:46px;height:46px;
  display:none;
  place-items:center;
  border-radius:14px;
  background:var(--c-primary);
  color:var(--c-accent);
  box-shadow:var(--shadow-2);
  z-index:70;
  transition:transform .2s ease,background .2s ease;
}
.to-top:hover{transform:translateY(-2px);background:var(--c-primary-deep);}
.to-top.is-show{display:grid;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--section-y:72px;}
  .container{padding:0 26px;}
}

@media (max-width:1023px){
  .header-inner{grid-template-columns:auto 1fr;gap:16px;}
  .nav-search{grid-column:1 / -1;order:3;margin-top:4px;}
  .header-actions{justify-self:end;}
  .menu-toggle{display:grid;}
  .nav-cats-wrap{display:none;}
  .site-header.is-compact .nav-cats-wrap{display:none;}
  .hero-panel{grid-template-columns:1fr;}
  .hero-copy{padding:40px 30px 34px;}
  .hero-copy::after{display:none;}
  .hero-media{min-height:250px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat:nth-child(2){border-right:0;}
  .stat{border-bottom:1px solid rgba(234,240,234,.12);}
  .cover-wall{grid-template-columns:1fr;}
  .wall-side .wall-card:nth-child(2){margin-left:0;}
  .entry-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:28px 26px;}
}

@media (max-width:767px){
  :root{--section-y:58px;}
  .hero-title{font-size:28px;}
  .hero-sub{font-size:15px;}
  .section-title{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .entry-card{grid-template-columns:1fr;}
  .entry-thumb{aspect-ratio:16/9;}
  .faq-item summary{font-size:15px;padding-left:16px;}
  .faq-answer{padding-left:16px;}
  .cta-band{border-radius:20px;}
  .cta-copy h3{font-size:19px;}
}

@media (max-width:519px){
  .container{padding:0 20px;}
  .brand-name{font-size:15px;}
  .brand-sub{display:none;}
  .brand-mark{width:34px;height:34px;font-size:17px;}
  .hero-copy{padding:32px 20px 28px;}
  .hero-title{font-size:24px;}
  .hero-stats{grid-template-columns:1fr;}
  .stat{border-right:0;}
  .wall-body{padding:16px 16px 18px;}
  .wall-main .wall-title{font-size:18px;}
  .entry-card{padding:14px;}
  .filter-bar{padding:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#10453A;
  --c-primary-deep:#0A2E27;
  --c-accent:#C9F04E;
  --c-cta:#FF6A3D;
  --c-bg:#F6F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E2E0D6;
  --c-ink:#14201B;
  --c-ink-soft:#4A5A52;
  --r-card:16px;
  --r-cover:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,32,27,.06),0 10px 28px -14px rgba(16,32,27,.18);
  --shadow-2:0 2px 4px rgba(16,32,27,.08),0 18px 36px -16px rgba(16,32,27,.28);
  --sec:88px;
  --mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--c-primary)}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);letter-spacing:.06em;font-size:13px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,239,.96);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(16,32,27,.55)}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:28px;
  padding-top:14px;
  padding-bottom:12px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;letter-spacing:0;
  box-shadow:var(--shadow-1);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--c-ink-soft);text-transform:uppercase}
.brand:hover .brand-text{color:var(--c-primary)}

.search-bar{
  display:flex;align-items:center;gap:10px;
  height:48px;max-width:620px;width:100%;margin:0 auto;
  padding:0 6px 0 18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:0 1px 2px rgba(16,32,27,.04);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-bar:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(201,240,78,.42)}
.search-ico{flex:0 0 auto;color:var(--c-ink-soft);display:inline-flex}
.search-bar input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  outline:none;font-size:15px;color:var(--c-ink);
}
.search-bar input::placeholder{color:#93A29B}
.search-bar button{
  flex:0 0 auto;height:38px;padding:0 22px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em;
  transition:background-color .2s ease,transform .2s ease;
}
.search-bar button:hover{background:#0c352c;transform:translateY(-1px)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.header-link{
  font-size:14px;color:var(--c-ink-soft);padding:8px 12px;border-radius:var(--r-pill);
  border:1px solid transparent;white-space:nowrap;
}
.header-link:hover{color:var(--c-primary);border-color:var(--c-line);background:var(--c-surface)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);font-size:18px;line-height:1;
}
.header-cats{border-top:1px solid rgba(226,224,214,.7);transition:max-height .28s ease,opacity .22s ease}
.site-header.is-scrolled .header-cats{max-height:0;opacity:0;overflow:hidden;border-top-color:transparent}
.nav-cats{
  display:flex;gap:10px;overflow-x:auto;padding:10px 0 14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink-soft);font-size:14px;white-space:nowrap;
  transition:all .2s ease;
}
.cat-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.cat-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:#0c352c;color:#fff}
.btn-cta{background:var(--c-cta);color:#fff}
.btn-cta:hover{background:#f05529;color:#fff}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:rgba(16,69,58,.06);color:var(--c-primary)}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-on-dark:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}

/* ---------- 分类页头 ---------- */
.cat-hero{
  position:relative;
  background-image:linear-gradient(100deg,rgba(10,46,39,.95) 0%,rgba(10,46,39,.84) 46%,rgba(10,46,39,.4) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-90px;top:-70px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,240,78,.18),rgba(201,240,78,0) 68%);
  pointer-events:none;
}
.cat-hero-box{position:relative;z-index:2;padding:84px 0 76px;max-width:760px}
.badge-dot{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(201,240,78,.16);
  border:1px solid rgba(201,240,78,.5);
  color:var(--c-accent);font-size:12.5px;font-weight:700;letter-spacing:.12em;
}
.badge-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block}
.cat-hero h1{
  font-size:38px;line-height:1.3;font-weight:800;letter-spacing:-.01em;
  margin:20px 0 18px;
}
.cat-hero-lead{font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.86);max-width:660px}
.cat-hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px}
.stat{
  min-width:132px;padding:14px 20px;border-radius:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
}
.stat strong{display:block;font-family:var(--mono);font-size:22px;letter-spacing:.04em;color:var(--c-accent);line-height:1.3}
.stat span{font-size:13px;color:rgba(255,255,255,.75);letter-spacing:.04em}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.cat-hero-update{
  position:absolute;right:32px;bottom:28px;z-index:2;
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--c-ink);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;
  box-shadow:var(--shadow-1);
}
.cat-hero-update b{color:var(--c-primary)}

/* ---------- 筛选条 ---------- */
.filter-row{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.filter-inner{display:flex;align-items:center;gap:16px;padding:16px 0;overflow:hidden}
.filter-label{flex:0 0 auto;font-size:13px;letter-spacing:.1em;color:var(--c-ink-soft);font-weight:700}
.chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-bg);
  font-size:13.5px;color:var(--c-ink-soft);white-space:nowrap;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px;font-size:26px;font-weight:800;letter-spacing:-.01em;line-height:1.4}
.sec-title::before{content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:2px;background:var(--c-primary)}
.sec-sub{font-size:14.5px;color:var(--c-ink-soft);margin-top:8px;padding-left:16px;max-width:660px}
.sec-link{font-size:14.5px;font-weight:700;color:var(--c-primary);border-bottom:1.5px solid transparent;padding-bottom:2px}
.sec-link:hover{border-bottom-color:var(--c-accent)}

/* ---------- 时间轴档案 ---------- */
.timeline{position:relative;padding:8px 0}
.tl-axis{
  position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(226,224,214,0) 0%,var(--c-line) 5%,var(--c-line) 95%,rgba(226,224,214,0) 100%);
}
.tl-item{
  display:grid;
  grid-template-columns:minmax(0,1fr) 88px minmax(0,1fr);
  align-items:start;
  margin-bottom:36px;
}
.tl-item:last-child{margin-bottom:0}
.tl-item.left .tl-card{grid-column:1}
.tl-item.left .tl-meta{grid-column:3;text-align:left}
.tl-item.right .tl-card{grid-column:3}
.tl-item.right .tl-meta{grid-column:1;text-align:right}
.tl-dotcell{grid-column:2;display:flex;justify-content:center;padding-top:26px}
.tl-dot{
  width:16px;height:16px;border-radius:50%;
  background:var(--c-surface);border:3px solid var(--c-primary);
  box-shadow:0 0 0 5px rgba(201,240,78,.55);
}
.tl-meta{padding-top:30px;padding-left:24px;padding-right:24px;color:var(--c-ink-soft)}
.tl-item.right .tl-meta{padding-left:24px;padding-right:24px}
.tl-date{font-family:var(--mono);font-size:14px;letter-spacing:.08em;color:var(--c-primary);font-weight:700;display:block}
.tl-code{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:#8d9a93;display:block;margin-top:6px}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#d3d0c2}
.tl-thumb{position:relative;aspect-ratio:16/9;background:#EDEBE2;overflow:hidden}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.tl-card:hover .tl-thumb img{transform:scale(1.03)}
.tl-body{padding:22px 24px 24px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.04em;
  background:rgba(16,69,58,.08);color:var(--c-primary);
}
.tag-accent{background:rgba(201,240,78,.42);color:#2c4a15}
.tl-title{font-size:19px;font-weight:800;line-height:1.55;letter-spacing:-.01em;margin-bottom:10px}
.tl-desc{font-size:15px;color:var(--c-ink-soft);line-height:1.85}
.tl-points{margin-top:14px;display:grid;gap:8px}
.tl-points li{position:relative;padding-left:16px;font-size:14px;color:var(--c-ink-soft)}
.tl-points li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);border:1px solid #a7c93c;
}
.tl-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:700;color:var(--c-primary);
  border-bottom:1.5px solid transparent;padding-bottom:2px;
}
.tl-link:hover{border-bottom-color:var(--c-accent)}
.tl-link i{font-style:normal;transition:transform .2s ease}
.tl-link:hover i{transform:translateX(4px)}

/* ---------- 流程步骤 ---------- */
.process{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  position:relative;padding:26px 24px 26px;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;margin-bottom:16px;
  background:var(--c-primary);color:var(--c-accent);
  font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.04em;
}
.step h3{font-size:17px;font-weight:800;margin-bottom:8px;letter-spacing:-.01em}
.step p{font-size:14px;color:var(--c-ink-soft);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 44px 22px 20px;
  font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:26px;width:4px;height:18px;border-radius:2px;
  background:var(--c-primary);transition:background-color .2s ease;
}
.faq-item summary::after{
  content:"";position:absolute;right:10px;top:28px;width:8px;height:8px;
  border-right:2px solid var(--c-ink-soft);border-bottom:2px solid var(--c-ink-soft);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item[open] summary::before{background:var(--c-accent)}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--c-primary)}
.faq-answer{padding:0 44px 24px 20px;font-size:15px;line-height:1.9;color:var(--c-ink-soft)}

/* ---------- CTA 条 ---------- */
.cta-strip{
  background:linear-gradient(120deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  border-radius:var(--r-cover);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  color:#fff;position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-60px;bottom:-100px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,240,78,.22),rgba(201,240,78,0) 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:24px;font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.82);line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.is-saved{background:transparent !important;color:#fff;border-color:rgba(255,255,255,.6)}

/* ---------- 返回顶部 ---------- */
.to-top-row{display:flex;justify-content:center;padding:0 0 72px}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;font-weight:700;color:var(--c-primary);box-shadow:var(--shadow-1);
}
.to-top:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--c-accent);box-shadow:none}
.footer-brand strong{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:340px}
.footer-col h4{
  font-size:13px;letter-spacing:.14em;color:#fff;font-weight:700;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul a:hover{color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 28px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .cat-hero h1{font-size:32px}
  .tl-axis{left:20px;transform:none}
  .tl-item{grid-template-columns:40px minmax(0,1fr);margin-bottom:28px}
  .tl-item .tl-card{grid-column:2;grid-row:2}
  .tl-item .tl-dotcell{grid-column:1;grid-row:2;justify-content:center;padding-top:28px}
  .tl-item.left .tl-meta,
  .tl-item.right .tl-meta{
    grid-column:2;grid-row:1;text-align:left;padding:0 0 12px 0;
  }
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .header-inner{grid-template-columns:1fr auto;gap:14px;padding-top:12px}
  .search-bar{grid-column:1 / -1;max-width:none;margin:0}
  .search-bar button{padding:0 18px}
  .header-link{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-cats{max-height:0;opacity:0;overflow:hidden;border-top-color:transparent}
  .header-cats.is-open{max-height:260px;opacity:1;border-top-color:rgba(226,224,214,.7)}
  .site-header.is-scrolled .header-cats.is-open{max-height:260px;opacity:1}
}
@media (max-width:639px){
  :root{--sec:44px}
  .container{padding:0 20px}
  .cat-hero-box{padding:56px 0 60px}
  .cat-hero h1{font-size:28px}
  .cat-hero-lead{font-size:15px}
  .cat-hero-update{position:static;margin:0 0 28px;display:inline-flex}
  .cat-hero-stats{gap:10px}
  .stat{min-width:104px;padding:12px 14px}
  .stat strong{font-size:18px}
  .search-bar{height:46px}
  .search-bar input{font-size:15px}
  .sec-title{font-size:22px}
  .steps{grid-template-columns:1fr}
  .cta-strip{padding:30px 24px;border-radius:var(--r-card)}
  .cta-copy h2{font-size:20px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .tl-body{padding:18px 18px 20px}
  .tl-title{font-size:17px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}