/* roulang page: index */
:root{
  --brand:#1E7F6E;
  --brand-dark:#14604F;
  --brand-light:#E6F3F0;
  --amber:#D98A3C;
  --amber-light:#FBF1E4;
  --ink:#1F2A28;
  --ink-2:#5A6B67;
  --ink-3:#8C9A96;
  --line:#E2E8E6;
  --bg:#F7FAF9;
  --card:#FFFFFF;
  --panel:#10201C;
  --r-card:16px;
  --r-nav:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-xs:0 1px 2px rgba(16,32,28,.06);
  --sh-sm:0 6px 18px rgba(16,32,28,.08);
  --sh-md:0 14px 34px rgba(16,32,28,.12);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.page-main{padding-bottom:96px;}

/* ---------- 导航 ---------- */
.nav-wrap{position:sticky;top:12px;z-index:60;padding-top:16px;}
.nav-card{
  display:flex;align-items:center;gap:18px;
  min-height:68px;padding:10px 18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-xs);
  transition:box-shadow .25s ease,background .25s ease;
}
.nav-wrap.is-scrolled .nav-card{box-shadow:var(--sh-sm);}
.nav-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;box-shadow:var(--sh-xs);
}
.nav-brand-text{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.nav-brand-text small{display:block;font-size:11px;font-weight:500;color:var(--ink-3);line-height:1.2;letter-spacing:0;}
.nav-menu{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 13px;border-radius:12px;
  font-size:13px;font-weight:500;color:var(--ink-2);
  border:1px solid transparent;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.nav-item i{font-size:13px;color:var(--ink-3);transition:color .2s ease;}
.nav-item:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand);background:#fff;text-decoration:none;}
.nav-item:hover i{color:var(--brand);}
.nav-item.active{
  background:var(--brand-light);color:var(--brand);
  box-shadow:inset 0 -2px 0 0 var(--brand);
}
.nav-item.active i{color:var(--brand);}
.nav-cta{margin-left:6px;flex-shrink:0;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:17px;cursor:pointer;
}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;visibility:hidden;}
.drawer.is-open{visibility:visible;}
.drawer-mask{
  position:absolute;inset:0;background:rgba(16,32,28,.42);
  opacity:0;transition:opacity .3s ease;
}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;
  width:min(88vw,360px);background:#fff;
  transform:translateX(100%);transition:transform .32s ease;
  padding:22px;overflow-y:auto;
  display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:40px;height:40px;border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font-size:16px;}
.drawer-list{display:flex;flex-direction:column;gap:10px;}
.drawer-link{
  display:flex;align-items:center;gap:12px;
  padding:14px 14px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:14px;font-weight:500;
}
.drawer-link i{width:30px;height:30px;border-radius:9px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;}
.drawer-link.active{border-color:var(--brand);background:var(--brand-light);color:var(--brand);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-xs);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-sm);text-decoration:none;color:#fff;}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(30,127,110,.08);transform:translateY(-1px);text-decoration:none;color:var(--brand-dark);}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:#F0F6F4;transform:translateY(-1px);text-decoration:none;color:var(--brand-dark);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);text-decoration:none;color:#fff;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.text-link i{font-size:12px;transition:transform .2s ease;}
.text-link:hover{text-decoration:none;color:var(--brand-dark);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 通用卡片 / 板块 ---------- */
.card-surface{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-xs);
}
.block{margin-top:88px;}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.block-title{font-size:28px;letter-spacing:.2px;}
.block-desc{margin-top:8px;font-size:14px;color:var(--ink-2);max-width:62ch;}
.kicker{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.3px;
}
.kicker--amber{background:var(--amber-light);color:#A9631F;}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:500;line-height:1.7;
}
.badge--amber{background:var(--amber-light);color:#A9631F;}

/* ---------- 首屏 ---------- */
.hero{
  margin-top:28px;padding:38px;
  display:grid;grid-template-columns:1.12fr 1fr;gap:44px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--sh-sm);
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-90px;right:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,127,110,.14),rgba(30,127,110,0) 68%);
  pointer-events:none;
}
.hero-body{position:relative;z-index:1;}
.hero h1{font-size:42px;line-height:1.28;letter-spacing:.2px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:38ch;}
.hero-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;}
.hero-tags{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--ink-2);
  padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
}
.hero-tags i{color:var(--brand);font-size:12px;}
.hero-media{position:relative;z-index:1;}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--sh-sm);
  padding:10px 14px;font-size:12px;color:var(--ink-2);line-height:1.5;
}
.float-card strong{display:block;font-size:18px;color:var(--ink);font-variant-numeric:tabular-nums;}
.float-card--a{left:-14px;bottom:22px;}
.float-card--b{right:-10px;top:-16px;color:var(--brand);background:var(--brand-light);border-color:transparent;font-weight:600;}

/* ---------- 状态条 ---------- */
.ticker{
  margin-top:20px;padding:14px 22px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);
}
.ticker-live{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand);}
.ticker-live i{width:8px;height:8px;border-radius:50%;background:var(--brand);animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(.78);}}
.ticker-sep{width:1px;height:14px;background:var(--line);}
.ticker strong{color:var(--ink);font-variant-numeric:tabular-nums;}

/* ---------- 分类入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.entry-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-xs);color:var(--ink);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-sm);border-color:#CFE3DE;text-decoration:none;}
.entry-card__media{aspect-ratio:3/2;overflow:hidden;}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.entry-card:hover .entry-card__media img{transform:scale(1.04);}
.entry-card__body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.entry-card__body h3{font-size:17px;}
.entry-card__body p{font-size:13px;color:var(--ink-2);line-height:1.75;margin:0;}
.entry-card__body .text-link{margin-top:auto;padding-top:8px;}

/* ---------- 痛点列表 ---------- */
.pain-list{padding:6px 26px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-xs);}
.pain-list li{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);}
.pain-list li:last-child{border-bottom:0;}
.pain-num{
  flex-shrink:0;width:38px;font-size:15px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;padding-top:2px;
}
.pain-list h3{font-size:17px;margin-bottom:4px;}
.pain-list p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.8;}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  padding:32px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-xs);
}
.split + .split{margin-top:var(--gap);}
.split__media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:14px;}
.split--reverse .split__media{order:2;}
.split__text h3{font-size:21px;margin-bottom:12px;}
.split__text p{font-size:15px;color:var(--ink-2);line-height:1.85;}
.split-list{margin:14px 0 18px;display:flex;flex-direction:column;gap:8px;}
.split-list li{display:flex;gap:10px;font-size:14px;color:var(--ink);}
.split-list i{color:var(--brand);font-size:13px;margin-top:5px;}

/* ---------- 数据 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;padding:8px 26px;
}
.stat{padding:24px 18px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat__num{font-size:40px;font-weight:700;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.5px;}
.stat__num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--ink-2);}
.stat p{margin:8px 0 0;font-size:13px;color:var(--ink-2);line-height:1.7;}
.progress-band{
  margin-top:var(--gap);padding:22px 26px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-xs);
}
.progress-head{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;color:var(--ink-2);margin-bottom:12px;gap:12px;flex-wrap:wrap;}
.progress-head strong{color:var(--ink);font-size:16px;font-variant-numeric:tabular-nums;}
.progress-track{height:10px;border-radius:var(--r-pill);background:#EEF3F1;overflow:hidden;}
.progress-track span{display:block;height:100%;border-radius:var(--r-pill);background:var(--brand);}
.progress-track span.alt{background:var(--amber);}

/* ---------- 排行 ---------- */
.rank-wrap{padding:6px 26px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-xs);}
.rank-item{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);}
.rank-item:last-child{border-bottom:0;}
.rank-index{
  flex-shrink:0;width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:#F0F6F4;color:var(--brand);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(1) .rank-index{background:var(--amber-light);color:#A9631F;}
.rank-name{flex:1 1 220px;font-size:15px;font-weight:600;color:var(--ink);min-width:0;}
.rank-name small{display:block;font-size:12px;font-weight:400;color:var(--ink-3);margin-top:2px;}
.rank-bar{flex:2 1 200px;height:8px;border-radius:var(--r-pill);background:#EEF3F1;overflow:hidden;min-width:80px;}
.rank-bar span{display:block;height:100%;background:var(--brand);border-radius:var(--r-pill);}
.rank-score{flex-shrink:0;font-size:15px;font-weight:700;color:var(--ink-2);font-variant-numeric:tabular-nums;width:44px;text-align:right;}

/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:start;}
.quote-card{
  padding:26px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-xs);
  transition:transform .22s ease,box-shadow .22s ease;
}
.quote-card:nth-child(2){transform:translateY(26px);}
.quote-card:hover{box-shadow:var(--sh-sm);}
.quote-card:nth-child(2):hover{transform:translateY(24px);}
.quote-mark{font-size:30px;color:var(--amber);line-height:1;margin-bottom:10px;}
.quote-card p{font-size:15px;line-height:1.85;color:var(--ink);}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;}
.quote-author strong{display:block;font-size:14px;}
.quote-author span{font-size:12px;color:var(--ink-3);}

/* ---------- 最新动态 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-xs);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-sm);}
.post-card__link{display:flex;flex-direction:column;height:100%;color:var(--ink);}
.post-card__link:hover{text-decoration:none;color:var(--ink);}
.post-card__media{aspect-ratio:16/9;overflow:hidden;}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-card__media img{transform:scale(1.04);}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card__title{font-size:16px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__excerpt{
  font-size:13px;color:var(--ink-2);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--ink-3);
}
.post-card__meta time{font-variant-numeric:tabular-nums;}
.empty-state{
  padding:56px 24px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--ink-3);}
.empty-state p{margin:14px 0 0;font-size:14px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-xs);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--brand);transition:transform .22s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item[open] summary{color:var(--brand);}
.faq-content{padding:0 24px 22px;border-left:2px solid var(--brand-light);margin-left:24px;}
.faq-content p{font-size:14px;line-height:1.9;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:88px;padding:40px;
  background:var(--panel);border-radius:20px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,127,110,.42),rgba(30,127,110,0) 70%);
}
.cta-band h2{color:#fff;font-size:26px;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.72);font-size:14px;margin:10px 0 0;position:relative;z-index:1;max-width:48ch;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;position:relative;z-index:1;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel);color:rgba(255,255,255,.72);margin-top:0;}
.footer-inner{padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .nav-mark{background:var(--brand);}
.footer-brand-text{color:#fff;font-size:16px;font-weight:700;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:0;}
.footer-col li{line-height:32px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:36ch;}
.footer-bottom{
  margin-top:48px;padding:22px 0 32px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{max-width:1140px;}
  .hero h1{font-size:38px;}
}
@media (max-width:991px){
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .hero{grid-template-columns:1fr;padding:28px;gap:30px;}
  .hero-media{order:-1;}
  .hero h1{font-size:32px;}
  .hero::before{display:none;}
  .float-card--a{left:10px;bottom:12px;}
  .float-card--b{right:10px;top:-12px;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:24px;padding:24px;}
  .split--reverse .split__media{order:0;}
  .stats{grid-template-columns:repeat(2,1fr);padding:8px 20px;}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:20px 12px;}
  .stat:nth-child(odd){border-right:1px solid var(--line);}
  .stat:nth-last-child(-n+2){border-bottom:0;}
  .quote-grid{grid-template-columns:1fr;}
  .quote-card:nth-child(2){transform:none;}
  .quote-card:nth-child(2):hover{transform:translateY(-3px);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .rank-name{flex:1 1 100%;}
  .rank-bar{display:none;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .block{margin-top:52px;}
  .hero{margin-top:18px;padding:22px;border-radius:16px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .block-title{font-size:22px;}
  .entry-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .pain-list{padding:4px 18px;}
  .pain-list li{gap:14px;padding:18px 0;}
  .rank-wrap{padding:4px 18px;}
  .rank-item{gap:12px;}
  .cta-band{margin-top:52px;padding:26px 22px;border-radius:16px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-inner{padding-top:44px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-content{padding:0 18px 18px;margin-left:18px;}
  .stat__num{font-size:32px;}
  .stats{padding:8px 14px;}
  .ticker{padding:12px 18px;gap:12px;}
  .ticker-sep{display:none;}
}
@media (max-width:479px){
  .hero h1{font-size:24px;}
  .hero-tags{gap:8px;}
  .hero-tags span{font-size:12px;}
  .split__media img{aspect-ratio:3/2;}
  .float-card--b{display:none;}
}

/* roulang page: category1 */
:root{
  --brand:#1E7F6E;
  --brand-dark:#14604F;
  --brand-light:#E6F3F0;
  --brand-soft:#F0F6F4;
  --accent:#D98A3C;
  --accent-light:#FBF0E4;
  --accent-ink:#A9631F;
  --ink:#1F2A28;
  --ink-2:#5A6B67;
  --ink-3:#8C9A96;
  --line:#E2E8E6;
  --bg:#F7FAF9;
  --card:#FFFFFF;
  --dark:#10201C;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-xs:0 1px 2px rgba(16,32,28,.06);
  --sh-sm:0 6px 18px rgba(16,32,28,.08);
  --sh-md:0 14px 34px rgba(16,32,28,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.nav-locked{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  padding:12px 0;
  background:var(--bg);
}
.nav-card{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 16px;
  box-shadow:var(--sh-xs);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh-sm)}
.nav-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.nav-brand:hover{text-decoration:none}
.nav-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:14px;flex-shrink:0;
}
.nav-brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;color:var(--ink);line-height:1.2}
.nav-brand-text small{font-size:11px;font-weight:400;color:var(--ink-3);margin-top:2px}
.nav-menu{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:13px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;text-decoration:none;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.nav-item i{font-size:13px;color:var(--ink-3);transition:color .2s ease}
.nav-item:hover{color:var(--brand);border-color:var(--brand);background:#fff;transform:translateY(-2px);text-decoration:none}
.nav-item:hover i{color:var(--brand)}
.nav-item.active{position:relative;background:var(--brand-light);color:var(--brand);border-color:transparent}
.nav-item.active i{color:var(--brand)}
.nav-item.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  cursor:pointer;font-size:16px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(16,32,28,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:110;
}
.nav-overlay.is-open{opacity:1;visibility:visible}
.drawer-head{display:none}
.nav-drawer-cta{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 22px;border-radius:var(--r-sm);
  border:1px solid transparent;font-size:14px;font-weight:600;
  cursor:pointer;text-decoration:none;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-xs)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(30,127,110,.08);color:var(--brand-dark)}
.btn-sm{min-height:40px;padding:9px 16px;font-size:13px}
.btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--brand);
}
.btn-link i{transition:transform .2s ease;font-size:12px}
.btn-link:hover i{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:500;line-height:1.6;
  background:var(--brand-light);color:var(--brand);
}
.badge-accent{background:var(--accent-light);color:var(--accent-ink)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:24px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:var(--ink);font-weight:500}

/* ---------- Hero ---------- */
.hero{padding:20px 0 0}
.hero-card{
  position:relative;
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-sm);
  padding:32px;overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,127,110,.10),rgba(30,127,110,0) 70%);
}
.hero-text{position:relative;z-index:1}
.hero-text .badge{margin-bottom:16px}
.hero-text h1{font-size:40px;font-weight:700;line-height:1.28;margin-bottom:14px}
.hero-sub{font-size:17px;color:var(--brand);font-weight:600;margin-bottom:16px}
.hero-lead{font-size:15.5px;color:var(--ink-2);line-height:1.95;max-width:44em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative;z-index:1}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-md);border:1px solid var(--line);
}
.float-card{
  position:absolute;display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:9px 13px;font-size:12.5px;font-weight:600;color:var(--ink);
  box-shadow:var(--sh-xs);
}
.float-card i{color:var(--brand)}
.float-a{left:-14px;bottom:22px}
.float-b{right:-10px;top:20px}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:32px;
}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;color:var(--accent-ink);
  background:var(--accent-light);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.section-head h2{font-size:28px;font-weight:700}
.section-head .section-desc{font-size:14.5px;color:var(--ink-2);max-width:34em;line-height:1.9}

/* ---------- 数据条 ---------- */
.stats-card{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-xs);overflow:hidden;
}
.stat{padding:22px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{
  display:block;font-size:38px;font-weight:700;line-height:1.1;
  color:var(--brand);font-variant-numeric:tabular-nums;
}
.stat-label{display:block;font-size:13.5px;color:var(--ink-2);margin-top:6px}
.stat-note{display:block;font-size:12px;color:var(--ink-3);margin-top:2px}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-sm);border-color:#CFDEDA}
.card-icon{
  width:44px;height:44px;border-radius:var(--r-md);
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:17px;
}
.card h3{font-size:18px}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.9}
.card .btn-link{margin-top:auto}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:28px 0;
}
.split + .split{border-top:1px solid var(--line)}
.split.reverse .split-media{order:2}
.split-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-xs);
}
.split-body h3{font-size:24px;font-weight:700;margin-bottom:14px}
.split-body p{font-size:15.5px;color:var(--ink-2);line-height:1.95;margin-bottom:14px}
.split-body ul{margin:0 0 18px;display:flex;flex-direction:column;gap:10px}
.split-body ul li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-2);
}
.split-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  border-radius:50%;background:var(--brand-light);border:2px solid var(--brand);
}

/* ---------- 规格列表 ---------- */
.spec-list{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-xs);overflow:hidden;
}
.spec-item{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.spec-item:last-child{border-bottom:0}
.spec-item:hover{background:var(--brand-soft)}
.spec-main{display:flex;align-items:flex-start;gap:16px}
.spec-idx{
  font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-light);border-radius:8px;
  min-width:34px;height:34px;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;flex-shrink:0;
}
.spec-main h3{font-size:16px;margin-bottom:4px}
.spec-main p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-xs);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:12px;padding:0 20px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFDEDA}
.faq-item[open]{box-shadow:var(--sh-xs)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{color:var(--brand);font-size:13px;transition:transform .2s ease;flex-shrink:0}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-body{
  padding:0 0 20px 14px;border-left:2px solid var(--brand-light);
  font-size:14.5px;color:var(--ink-2);line-height:1.95;margin-left:2px;
}

/* ---------- CTA 横条 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--dark);border-radius:var(--r-xl);
  padding:34px 36px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,138,60,.22),rgba(217,138,60,0) 70%);
}
.cta-band h2{color:#fff;font-size:26px;font-weight:700;margin-bottom:8px}
.cta-band p{color:#B6C7C2;font-size:14.5px;max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.cta-band .btn-primary{background:var(--brand)}
.cta-band .btn-primary:hover{background:#238D7A}
.cta-band .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.10);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--dark);color:#C9D6D2;
  padding:56px 0 24px;font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-text{font-size:16px;font-weight:700;color:#fff}
.footer-about{color:#9FB2AD;line-height:1.9;font-size:13.5px;max-width:30em}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:6px}
.footer-col ul{margin-top:14px}
.footer-col li{margin-bottom:12px;font-size:13.5px;color:#9FB2AD}
.footer-col a{color:#C9D6D2}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:44px;padding-top:20px;font-size:13px;color:#8FA39E;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-text h1{font-size:34px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991px){
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;
    width:min(360px,86vw);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:10px;padding:20px;
    background:#fff;border-left:1px solid var(--line);
    box-shadow:var(--sh-md);z-index:120;overflow-y:auto;
    transform:translateX(104%);
    transition:transform .28s ease;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--line);
  }
  .drawer-title{font-size:14px;font-weight:600;color:var(--ink)}
  .drawer-close{
    width:36px;height:36px;border-radius:var(--r-sm);
    border:1px solid var(--line);background:#fff;color:var(--ink-2);
    cursor:pointer;font-size:14px;
  }
  .drawer-close:hover{border-color:var(--brand);color:var(--brand)}
  .nav-item{
    width:100%;padding:14px;font-size:14px;
    border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  }
  .nav-item:hover{transform:none}
  .nav-item.active{background:var(--brand-light);border-color:var(--brand-light)}
  .nav-item.active::after{display:none}
  .nav-item i{width:18px;text-align:center;font-size:14px}
  .nav-drawer-cta{display:inline-flex;width:100%;margin-top:8px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-menu{flex:0 0 auto}
  .hero-card{grid-template-columns:1fr;gap:26px;padding:26px}
  .float-a{left:8px;bottom:12px}
  .float-b{right:8px;top:12px}
  .split{grid-template-columns:1fr;gap:24px}
  .split.reverse .split-media{order:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (min-width:992px){
  .drawer-head,.nav-drawer-cta{display:none}
  .nav-toggle{display:none}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:52px 0 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:22px}
  .hero-card{padding:22px}
  .hero-text h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .stats-card{grid-template-columns:1fr 1fr}
  .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .stat-num{font-size:30px}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .spec-item{flex-direction:column;align-items:flex-start;gap:12px}
  .split-body h3{font-size:20px}
  .cta-band h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{padding:44px 0 20px;margin-top:60px}
}
@media (max-width:480px){
  .hero-text h1{font-size:25px}
  .hero-media img{aspect-ratio:3/2}
  .float-card{font-size:11.5px;padding:7px 10px}
  .badge{font-size:11.5px}
}

/* roulang page: article */
:root{
  --brand:#1E7F6E;
  --brand-dark:#14604F;
  --brand-light:#E6F3F0;
  --brand-soft:#F0F6F4;
  --accent:#D98A3C;
  --text:#1F2A28;
  --text-body:#243230;
  --text-2:#5A6B67;
  --text-3:#8C9A96;
  --line:#E2E8E6;
  --bg:#F7FAF9;
  --card:#FFFFFF;
  --panel:#10201C;
  --danger:#C0453B;
  --r-lg:20px;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:14px;
  --sh-xs:0 1px 2px rgba(16,32,28,.06);
  --sh-sm:0 6px 18px rgba(16,32,28,.08);
  --sh-md:0 14px 34px rgba(16,32,28,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
}
body.nav-locked{overflow:hidden}
img{border:0;max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text);line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;
  padding:10px 16px;border-radius:0 0 10px 0;z-index:200;
}
.skip-link:focus{left:0;color:#fff}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:64px 0}
.section-tight{padding:40px 0}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:80;padding:0 16px}
.nav-card{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  min-height:72px;padding:10px 18px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-xs);
  backdrop-filter:saturate(140%) blur(6px);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .nav-card{box-shadow:var(--sh-sm);border-color:#D6E0DD}
.nav-brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:none}
.nav-brand:hover{color:var(--text)}
.nav-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:15px;
  box-shadow:0 4px 10px rgba(30,127,110,.28);
}
.nav-brand-text{display:flex;flex-direction:column;line-height:1.2;font-size:16px;font-weight:700}
.nav-brand-text small{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.2px}
.nav-menu{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 13px;border-radius:12px;
  border:1px solid transparent;
  color:var(--text-2);font-size:13px;font-weight:500;
  white-space:nowrap;position:relative;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.nav-item i{font-size:13px;color:var(--text-3);transition:color .2s ease}
.nav-item:hover{
  transform:translateY(-2px);color:var(--brand);
  border-color:var(--brand);background:#fff;
}
.nav-item:hover i{color:var(--brand)}
.nav-item.active{background:var(--brand-light);color:var(--brand);border-color:transparent}
.nav-item.active i{color:var(--brand)}
.nav-item.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;
  height:2px;border-radius:2px;background:var(--brand);
}
.nav-item:focus-visible,.btn:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.nav-cta{margin-left:6px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  color:var(--text);font-size:16px;cursor:pointer;transition:.2s ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(30,127,110,.22)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(20,96,79,.26)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(30,127,110,.08);color:var(--brand-dark);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:#EAF3F1;color:var(--brand-dark);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.text-link i{font-size:12px;transition:transform .2s ease}
.text-link:hover{color:var(--brand-dark)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);
  font-size:12px;font-weight:600;line-height:1.6;white-space:nowrap;
}
.badge-accent{background:#FBEFE2;color:#A6621F}
.badge-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.26)}

/* ---------- 文章头 ---------- */
.article-head{position:relative;background:var(--panel);overflow:hidden;padding:52px 0 48px}
.article-head-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.4;
}
.article-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(16,32,28,.94) 0%,rgba(16,32,28,.78) 52%,rgba(20,96,79,.72) 100%);
}
.article-head .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0 0 20px;font-size:13px;
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.7)}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.38)}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:#fff}
.article-head h1{
  color:#fff;font-size:clamp(26px,3.4vw,38px);
  line-height:1.4;font-weight:700;max-width:900px;margin-top:16px;
}
.article-head .lead{
  margin-top:16px;max-width:760px;
  color:rgba(255,255,255,.76);font-size:15px;line-height:1.9;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;
  font-size:13.5px;color:rgba(255,255,255,.76);
  font-variant-numeric:tabular-nums;
}
.meta-row span{display:inline-flex;align-items:center}
.meta-row i{color:var(--accent);margin-right:7px;font-size:13px}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 312px;
  gap:32px;align-items:start;
}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:40px 44px;box-shadow:var(--sh-xs);min-width:0;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em;font-size:16.5px;line-height:1.95;color:var(--text-body)}
.article-body h2{
  position:relative;font-size:24px;line-height:1.5;
  margin:40px 0 14px;padding-left:14px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;
  width:3px;border-radius:3px;background:var(--brand);
}
.article-body h3{font-size:19px;margin:28px 0 12px;color:var(--text)}
.article-body h4{font-size:16.5px;margin:22px 0 10px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;line-height:1.9;color:var(--text-body)}
.article-body li{margin-bottom:.5em}
.article-body li::marker{color:var(--brand)}
.article-body strong{color:var(--text);font-weight:600}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--brand);background:var(--brand-light);
  border-radius:0 12px 12px 0;color:var(--text);font-size:16px;line-height:1.9;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(30,127,110,.35)}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-soft);font-weight:600;color:var(--text)}
.article-body pre{
  background:var(--panel);color:#E8F2EF;padding:18px 20px;
  border-radius:12px;overflow-x:auto;font-size:13px;line-height:1.75;margin:22px 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{
  background:var(--brand-soft);color:var(--brand-dark);
  padding:2px 6px;border-radius:6px;font-size:.92em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:none;color:inherit;padding:0}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-xs);
}
.side-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand);font-size:14px}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;
  color:var(--text-2);font-size:14px;
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.side-nav a:hover{background:var(--brand-soft);color:var(--brand);padding-left:16px}
.side-nav a i{font-size:12px;color:var(--text-3)}
.side-nav a:hover i{color:var(--brand)}
.side-note{font-size:13.5px;line-height:1.9;color:var(--text-2)}
.side-note strong{color:var(--text);display:block;margin-bottom:6px;font-size:14px}
.side-mail{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  font-size:13.5px;font-weight:600;color:var(--brand);
}
.side-facts{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.side-facts div{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--text-2);
  padding-bottom:10px;border-bottom:1px dashed var(--line);
}
.side-facts div:last-child{border-bottom:0;padding-bottom:0}
.side-facts b{font-variant-numeric:tabular-nums;color:var(--text)}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 28px;
  background:var(--card);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--sh-xs);
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.7}
.empty-state h2{font-size:22px;margin:16px 0 10px}
.empty-state p{color:var(--text-2);font-size:15px;max-width:460px;margin:0 auto 22px}

/* ---------- 延伸阅读 ---------- */
.related-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:26px;flex-wrap:wrap;
}
.related-head h2{font-size:26px}
.related-head p{color:var(--text-2);font-size:14.5px;margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;gap:14px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;color:var(--text);
  box-shadow:var(--sh-xs);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-sm);border-color:#CFDCD8;color:var(--text)}
.rel-thumb{
  width:88px;height:66px;flex:none;border-radius:12px;overflow:hidden;
  background:var(--brand-soft);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.06)}
.rel-info{min-width:0}
.rel-info .badge{margin-bottom:8px}
.rel-info h3{font-size:15px;line-height:1.5;margin-bottom:6px}
.rel-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--panel);border-radius:var(--r-lg);
  padding:42px 46px;
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-md);
}
.cta-card::after{
  content:"";position:absolute;right:-40px;top:-60px;width:260px;height:260px;
  background-image:radial-gradient(rgba(255,255,255,.16) 1.5px,transparent 1.6px);
  background-size:16px 16px;opacity:.7;pointer-events:none;
}
.cta-card h2{color:#fff;font-size:26px;position:relative;z-index:2}
.cta-card p{color:#9FB3AE;font-size:14.5px;margin-top:10px;max-width:560px;position:relative;z-index:2}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel);color:#C9D6D2;margin-top:72px}
.footer-inner{padding:62px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-text{color:#fff;font-weight:700;font-size:17px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column}
.footer-col li{font-size:14px;line-height:32px;color:#9FB3AE}
.footer-col ul a{font-size:14px;line-height:32px;color:#C9D6D2}
.footer-col ul a:hover{color:#fff}
.footer-about{font-size:13px;line-height:1.9;color:#9FB3AE;max-width:370px}
.footer-bottom{
  margin-top:38px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#8FA5A0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 22px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
  .article-body{padding:34px 32px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-menu{
    position:fixed;top:96px;left:16px;right:16px;
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:14px;max-height:calc(100vh - 132px);overflow:auto;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh-md);z-index:90;
  }
  .nav-card.menu-open .nav-menu{display:flex}
  .nav-item{width:100%;padding:12px 14px;font-size:14px;background:var(--brand-soft)}
  .nav-item i{font-size:14px}
  .nav-item.active::after{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .cta-card{padding:34px 30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .site-header{top:8px;padding:0 12px}
  .nav-card{min-height:64px;padding:8px 14px;gap:10px}
  .nav-brand-text{font-size:15px}
  .nav-brand-text small{display:none}
  .nav-menu{top:82px;left:12px;right:12px}
  .article-head{padding:36px 0 34px}
  .article-head h1{font-size:25px}
  .article-head .lead{font-size:14.5px}
  .article-body{
    padding:24px 18px;border-radius:16px;
    font-size:16px;
  }
  .article-body p{font-size:16px}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .rel-card{padding:14px}
  .cta-card{padding:28px 22px;border-radius:16px}
  .cta-card h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-inner{padding:48px 0 22px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .site-footer{margin-top:56px}
}
@media (max-width:479px){
  .meta-row{gap:8px 16px;font-size:13px}
  .btn{width:100%}
  .related-head h2{font-size:22px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand:#1E7F6E;
  --brand-deep:#14604F;
  --brand-soft:#E6F3F0;
  --brand-soft-2:#F0F6F4;
  --amber:#D98A3C;
  --amber-soft:#FBEEE0;
  --ink:#1F2A28;
  --ink-2:#5A6B67;
  --ink-3:#8C9A96;
  --line:#E2E8E6;
  --bg:#F7FAF9;
  --card:#FFFFFF;
  --dark:#10201C;
  --danger:#C0453B;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-xs:0 1px 2px rgba(16,32,28,.06);
  --sh-sm:0 6px 18px rgba(16,32,28,.08);
  --sh-md:0 14px 34px rgba(16,32,28,.12);
  --sp-section:88px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.lock{overflow:hidden;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px 0 0;
  transition:padding .25s ease;
}
.site-header.scrolled{padding-top:8px;}
.nav-card{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:68px;
  padding:10px 18px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-xs);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled .nav-card{box-shadow:var(--sh-sm);}
.nav-brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex-shrink:0;
}
.nav-brand:hover{text-decoration:none;}
.nav-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);
  color:#fff;
  border-radius:9px;
  font-size:15px;
  flex-shrink:0;
}
.nav-brand-text{
  display:flex;
  flex-direction:column;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  line-height:1.2;
}
.nav-brand-text small{
  font-size:11px;
  font-weight:500;
  color:var(--ink-3);
  letter-spacing:.2px;
  margin-top:3px;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 13px;
  font-size:13px;
  font-weight:500;
  color:var(--ink-2);
  border:1px solid transparent;
  border-radius:var(--r-sm);
  white-space:nowrap;
  position:relative;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-item i{font-size:13px;color:var(--ink-3);transition:color .2s ease;}
.nav-item:hover{
  background:var(--brand-soft-2);
  border-color:var(--line);
  color:var(--brand-deep);
  transform:translateY(-2px);
  text-decoration:none;
}
.nav-item:hover i{color:var(--brand);}
.nav-item.active{
  background:var(--brand-soft);
  border-color:var(--brand-soft);
  color:var(--brand-deep);
  font-weight:600;
}
.nav-item.active i{color:var(--brand);}
.nav-item.active::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:3px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-sm);
  color:var(--ink);
  font-size:17px;
  align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft-2);border-color:var(--brand-soft);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  text-decoration:none;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--sh-xs);
}
.btn-primary:hover{
  background:var(--brand-deep);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-sm);
}
.btn-outline{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand-deep);
}
.btn-outline:hover{
  background:rgba(30,127,110,.08);
  color:var(--brand-deep);
  transform:translateY(-1px);
}
.btn-light{
  background:#fff;
  color:var(--brand-deep);
  border-color:rgba(255,255,255,.6);
}
.btn-light:hover{background:#F2F8F6;color:var(--brand-deep);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}

/* 文字链 */
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.text-link i{font-size:12px;transition:transform .2s ease;}
.text-link:hover{text-decoration:none;color:var(--brand-deep);}
.text-link:hover i{transform:translateX(4px);}

/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--line);}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb li[aria-current] {color:var(--brand-deep);font-weight:600;}

/* ============ Hero ============ */
.hero{
  position:relative;
  margin-top:22px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-sm);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(16,32,28,.90) 0%,rgba(16,32,28,.78) 46%,rgba(20,96,79,.72) 100%);
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:36px;
  align-items:center;
  padding:56px 48px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  font-size:12px;
  font-weight:600;
  color:#D9EFE9;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);
  margin-bottom:18px;
}
.hero h1{
  font-size:40px;
  line-height:1.28;
  color:#fff;
  letter-spacing:.2px;
}
.hero-sub{
  margin-top:16px;
  font-size:17px;
  font-weight:600;
  color:#BEE1D8;
}
.hero-text{
  margin-top:12px;
  font-size:15px;
  line-height:1.9;
  color:rgba(255,255,255,.78);
  max-width:60ch;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat strong{
  display:block;
  font-size:26px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.68);}
.hero-aside{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.float-card{
  background:rgba(255,255,255,.96);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--r-md);
  padding:18px 20px;
  box-shadow:var(--sh-sm);
}
.float-card h3{
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:8px;
}
.float-card h3 i{color:var(--brand);font-size:13px;}
.float-card p{
  margin-top:8px;
  font-size:13px;
  line-height:1.8;
  color:var(--ink-2);
}
.float-card.offset{margin-left:22px;}

/* ============ 主体布局 ============ */
.page-main{padding-bottom:96px;}
.section{margin-top:var(--sp-section);scroll-margin-top:110px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head .section-desc{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-2);
  max-width:66ch;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  color:var(--brand-deep);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:5px 12px;
  margin-bottom:12px;
}

/* ============ 双栏：目录卡 + 内容 ============ */
.learn-layout{
  display:grid;
  grid-template-columns:288px minmax(0,1fr);
  gap:32px;
  align-items:start;
  margin-top:48px;
}
.toc-card{
  position:sticky;
  top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-xs);
}
.toc-card h3{
  font-size:15px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:8px;
}
.toc-card h3 i{color:var(--brand);font-size:14px;}
.toc-card .toc-note{
  margin-top:8px;
  font-size:12.5px;
  color:var(--ink-3);
  line-height:1.7;
}
.toc-list{margin-top:16px;display:flex;flex-direction:column;gap:4px;}
.toc-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  font-size:14px;
  color:var(--ink-2);
  border-radius:var(--r-sm);
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a span.num{
  font-size:12px;
  font-weight:700;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
  min-width:18px;
}
.toc-list a:hover{
  background:var(--brand-soft-2);
  color:var(--brand-deep);
  text-decoration:none;
}
.toc-list a.active{
  background:var(--brand-soft);
  border-left-color:var(--brand);
  color:var(--brand-deep);
  font-weight:600;
}
.toc-list a.active span.num{color:var(--brand);}
.toc-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.toc-foot .btn{height:42px;font-size:14px;}

/* ============ 步骤纵向列表卡 ============ */
.step-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-xs);
}
.step-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:18px;
  padding:24px 26px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.step-item:last-child{border-bottom:none;}
.step-item:hover{background:var(--brand-soft-2);}
.step-num{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);
  color:var(--brand-deep);
  border-radius:var(--r-sm);
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:19px;line-height:1.5;}
.step-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand-deep);
}
.chip.amber{background:var(--amber-soft);color:#8A5417;}
.chip.grey{background:#EEF3F1;color:var(--ink-2);}
.step-body p{
  margin-top:12px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--ink-2);
}
.step-body .text-link{margin-top:14px;}

/* ============ 实时状态条 ============ */
.live-band{
  background:var(--brand-deep);
  border-radius:var(--r-xl);
  padding:30px 32px;
  color:#E7F3EF;
  box-shadow:var(--sh-sm);
}
.live-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
}
.live-head h2{font-size:22px;color:#fff;}
.live-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:600;
  color:#CFF0E6;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.dot-live{
  width:8px;height:8px;
  border-radius:50%;
  background:#7BD8B8;
  box-shadow:0 0 0 4px rgba(123,216,184,.22);
}
.progress-row{margin-top:24px;}
.progress-row + .progress-row{margin-top:18px;}
.progress-label{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13.5px;
  color:rgba(255,255,255,.82);
  margin-bottom:9px;
}
.progress-label b{font-variant-numeric:tabular-nums;color:#fff;}
.progress-track{
  height:8px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  overflow:hidden;
}
.progress-fill{
  height:100%;
  border-radius:var(--r-pill);
  background:#7BD8B8;
}
.progress-fill.amber{background:#E7B172;}
.live-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:26px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.live-grid div strong{
  display:block;
  font-size:24px;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.live-grid div span{font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 图文交替 ============ */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-xs);
}
.split + .split{margin-top:24px;}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:3/2;
  background:#EEF3F1;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.split:hover .split-media img{transform:scale(1.03);}
.split-body h3{font-size:21px;line-height:1.5;}
.split-body p{
  margin-top:12px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--ink-2);
}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.check-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
}
.check-list li i{
  color:var(--brand);
  font-size:13px;
  margin-top:6px;
  flex-shrink:0;
}

/* ============ 其他分类入口 ============ */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.cat-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cat-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-sm);
  border-color:var(--brand-soft);
  text-decoration:none;
}
.cat-icon{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:16px;
  margin-bottom:16px;
}
.cat-card h3{font-size:17px;line-height:1.5;}
.cat-card p{
  margin-top:10px;
  font-size:13.5px;
  line-height:1.85;
  color:var(--ink-2);
  flex-grow:1;
}
.cat-card .text-link{margin-top:16px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--brand-soft);box-shadow:var(--sh-xs);}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--brand-soft-2);}
.faq-item summary i{
  color:var(--brand);
  font-size:13px;
  transition:transform .24s ease;
  flex-shrink:0;
}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-body{
  padding:0 22px 20px 22px;
  border-left:2px solid var(--brand-soft);
  margin:0 0 4px 22px;
  padding-left:18px;
}
.faq-body p{
  font-size:14.5px;
  line-height:1.95;
  color:var(--ink-2);
}
.faq-body p + p{margin-top:10px;}

/* ============ CTA 横条 ============ */
.cta-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  background:var(--card);
  border:1px solid var(--brand-soft);
  border-radius:var(--r-lg);
  padding:26px 30px;
  box-shadow:var(--sh-xs);
}
.cta-bar h3{font-size:20px;}
.cta-bar p{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-2);
}
.cta-bar .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  margin-top:24px;
}
.footer-inner{position:relative;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand-text{
  font-size:16px;
  font-weight:700;
  color:#fff;
}
.footer-about{
  font-size:13.5px;
  line-height:1.9;
  color:rgba(255,255,255,.62);
  max-width:42ch;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li{
  font-size:13.5px;
  color:rgba(255,255,255,.62);
  line-height:1.5;
}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:1140px;}
  .hero h1{font-size:36px;}
  .learn-layout{grid-template-columns:252px minmax(0,1fr);gap:26px;}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:991px){
  .nav-menu{
    position:fixed;
    left:16px;right:16px;
    top:92px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-md);
    padding:14px;
    max-height:calc(100vh - 130px);
    overflow-y:auto;
    margin-left:0;
  }
  .nav-menu.open{display:flex;}
  .nav-item{padding:13px 14px;font-size:14.5px;justify-content:flex-start;}
  .nav-item.active::after{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .hero-inner{grid-template-columns:1fr;padding:44px 32px;}
  .hero h1{font-size:32px;}
  .hero-aside{flex-direction:row;flex-wrap:wrap;}
  .float-card{flex:1 1 220px;}
  .float-card.offset{margin-left:0;}
  .learn-layout{grid-template-columns:1fr;margin-top:36px;}
  .toc-card{position:static;}
  .toc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:24px;padding:26px;}
  .split.reverse .split-media{order:0;}
  .live-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--sp-section:64px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .hero-inner{padding:36px 22px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px;}
  .hero-stat strong{font-size:22px;}
  .section-head h2{font-size:22px;}
  .toc-list{grid-template-columns:1fr;}
  .step-item{grid-template-columns:1fr;gap:14px;padding:20px;}
  .step-num{width:38px;height:38px;font-size:14px;}
  .live-band{padding:24px 20px;}
  .live-grid{grid-template-columns:1fr;gap:14px;}
  .cat-grid{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:22px;}
  .cta-bar .cta-actions{width:100%;}
  .cta-bar .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:15px;padding:16px 16px;}
  .faq-body{margin-left:16px;padding-left:14px;padding-right:16px;}
  :root{--sp-section:48px;}
}

@media (max-width:479px){
  .hero h1{font-size:26px;}
  .hero-badge{font-size:11px;}
  .split-media{aspect-ratio:3/2;}
  .chip{font-size:11.5px;}
}

/* roulang page: category3 */
:root{
  --brand:#1E7F6E;
  --brand-dark:#14604F;
  --brand-soft:#E6F3F0;
  --brand-tint:#F0F6F4;
  --accent:#D98A3C;
  --accent-soft:#FBF1E6;
  --ink:#1F2A28;
  --ink-2:#5A6B67;
  --ink-3:#8C9A96;
  --line:#E2E8E6;
  --bg:#F7FAF9;
  --card:#FFFFFF;
  --panel:#10201C;
  --danger:#C0453B;
  --r-lg:20px;
  --r:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-xs:0 1px 2px rgba(16,32,28,.06);
  --sh-sm:0 6px 18px rgba(16,32,28,.08);
  --sh-md:0 14px 34px rgba(16,32,28,.12);
  --container:1200px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1{font-size:40px;line-height:1.28;font-weight:700;letter-spacing:.2px;}
h2{font-size:28px;line-height:1.36;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{color:var(--ink-2);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:12px;z-index:80;padding:0 16px;margin-top:12px;}
.nav-card{
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:14px;
  min-height:68px;
  padding:10px 16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-xs);
  transition:box-shadow .25s ease, border-color .25s ease;
}
.nav-card.is-stuck{box-shadow:var(--sh-sm);border-color:#D8E2DF;}
.nav-brand{display:flex;align-items:center;gap:10px;color:var(--ink);}
.nav-brand:hover{color:var(--ink);}
.nav-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  font-size:15px;
  box-shadow:var(--sh-xs);
}
.nav-brand-text{display:flex;flex-direction:column;line-height:1.25;font-weight:700;font-size:16px;}
.nav-brand-text small{font-size:11px;font-weight:400;color:var(--ink-3);letter-spacing:.1px;}
.nav-menu{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:6px;
  padding:9px 12px;
  font-size:13px;
  font-weight:500;
  color:var(--ink-2);
  border:1px solid transparent;
  border-radius:var(--r-sm);
  transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-item i{font-size:14px;}
.nav-item:hover{background:var(--brand-tint);border-color:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.nav-item.active{background:var(--brand-soft);border-color:rgba(30,127,110,.22);color:var(--brand-dark);}
.nav-item.active::after{
  content:"";position:absolute;left:50%;bottom:3px;
  transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{margin-left:8px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--ink);
  font-size:16px;
  background:#fff;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-tint);border-color:var(--brand-soft);}
.nav-menu-cta{display:none;}
.nav-overlay{
  position:fixed;inset:0;
  background:rgba(16,32,28,.42);
  opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
  z-index:70;
}
body.menu-open{overflow:hidden;}
body.menu-open .nav-overlay{opacity:1;visibility:visible;}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 20px;
  height:48px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  transition:transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:13.5px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-xs);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-sm);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(30,127,110,.08);color:var(--brand-dark);transform:translateY(-1px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.btn-link i{font-size:12px;transition:transform .2s ease;}
.btn-link:hover i{transform:translateX(4px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  font-size:12px;font-weight:500;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand-dark);
}
.badge-accent{background:var(--accent-soft);color:#A9631F;}
.section{padding:80px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head p{margin-top:8px;max-width:640px;font-size:15px;}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:1.5px;color:var(--accent);text-transform:uppercase;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:24px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C6D2CF;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}

/* ============ Hero ============ */
.hero{padding:24px 0 0;}
.hero-card{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
  padding:40px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  position:relative;
  overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;right:-60px;top:-60px;
  width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(30,127,110,.10),transparent 68%);
}
.hero-copy{position:relative;z-index:1;}
.hero-copy h1{margin:14px 0 16px;}
.hero-copy h1 span{color:var(--brand);}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-media{position:relative;z-index:1;}
.hero-figure{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  aspect-ratio:16/10;
  box-shadow:var(--sh-sm);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;
  left:-14px;bottom:18px;
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-sm);
}
.float-card .fc-icon{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:14px;
}
.float-card strong{display:block;font-size:15px;font-weight:700;}
.float-card small{font-size:12px;color:var(--ink-3);}
.float-card.alt{left:auto;right:-10px;bottom:auto;top:18px;}

/* ============ 指标条 ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:24px;
}
.stat{
  padding:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-xs);
  transition:transform .2s ease,box-shadow .2s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-sm);}
.stat .num{
  font-size:38px;font-weight:700;line-height:1.1;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.stat .num em{font-size:16px;font-style:normal;color:var(--brand);margin-left:2px;}
.stat p{margin-top:8px;font-size:13.5px;color:var(--ink-3);}

/* ============ 版本卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.vcard{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:26px;
  box-shadow:var(--sh-xs);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.vcard:hover{transform:translateY(-3px);box-shadow:var(--sh-sm);border-color:#D6E2DF;}
.vcard.highlight{border-color:rgba(30,127,110,.35);box-shadow:0 10px 26px rgba(30,127,110,.10);}
.vcard-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.vcard h3{margin-top:14px;font-size:22px;}
.vcard .vsub{margin-top:6px;font-size:14px;color:var(--ink-3);}
.vcard ul{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.vcard ul li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.vcard ul li i{color:var(--brand);font-size:13px;margin-top:6px;}
.vcard-foot{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.vcard-foot span{font-size:13px;color:var(--ink-3);}

/* ============ 差异清单 ============ */
.diff-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:var(--sh-xs);
}
.diff-item{
  display:grid;
  grid-template-columns:64px 1fr 200px;
  gap:20px;
  align-items:start;
  padding:24px 26px;
  border-top:1px solid var(--line);
  transition:background .2s ease;
}
.diff-item:first-child{border-top:0;}
.diff-item:hover{background:var(--brand-tint);}
.diff-item .idx{
  font-size:15px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.diff-item h3{font-size:17px;}
.diff-item p{margin-top:6px;font-size:14.5px;line-height:1.8;}
.diff-item .tagline{font-size:13px;color:var(--ink-3);text-align:right;padding-top:4px;}

/* ============ 场景图文 ============ */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
  padding:32px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-xs);
  margin-bottom:24px;
}
.scene:last-child{margin-bottom:0;}
.scene.reverse .scene-media{order:2;}
.scene-media{
  border-radius:14px;
  overflow:hidden;
  aspect-ratio:3/2;
  box-shadow:var(--sh-xs);
}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-body h3{margin:12px 0 12px;font-size:22px;}
.scene-body p{font-size:15px;}
.scene-body ul{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.scene-body ul li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);}
.scene-body ul li i{color:var(--accent);font-size:12px;margin-top:7px;}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-step{
  position:relative;
  padding:26px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-xs);
  transition:transform .2s ease,box-shadow .2s ease;
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--sh-sm);}
.flow-step .step-no{
  width:36px;height:36px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);
  font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{margin-top:16px;font-size:17px;}
.flow-step p{margin-top:8px;font-size:14px;}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq details{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-xs);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:#D6E2DF;box-shadow:var(--sh-sm);}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-size:16px;font-weight:600;
  cursor:pointer;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary i{color:var(--brand);font-size:14px;transition:transform .2s ease;flex:0 0 auto;}
.faq details[open] summary i{transform:rotate(180deg);}
.faq .faq-body{padding:0 24px 22px;border-left:2px solid var(--brand-soft);margin-left:24px;padding-left:18px;}
.faq .faq-body p{font-size:14.5px;line-height:1.9;}

/* ============ CTA 横条 ============ */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:32px 36px;
  background:var(--panel);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-40px;bottom:-60px;
  width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,138,60,.28),transparent 70%);
}
.cta-strip h2{color:#fff;font-size:24px;position:relative;z-index:1;}
.cta-strip p{color:rgba(255,255,255,.72);margin-top:8px;font-size:14.5px;position:relative;z-index:1;}
.cta-strip .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--panel);color:rgba(255,255,255,.78);margin-top:88px;padding:60px 0 28px;}
.footer-inner{padding-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .nav-mark{background:var(--brand);}
.footer-brand-text{font-size:17px;font-weight:700;color:#fff;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul li{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col ul li a{color:rgba(255,255,255,.66);}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:1140px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .diff-item{grid-template-columns:56px 1fr;}
  .diff-item .tagline{grid-column:2;text-align:left;padding-top:0;}
}
@media (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  .section{padding:56px 0;}
  .nav-menu{
    position:fixed;
    left:16px;right:16px;top:88px;
    z-index:75;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    margin:0;
    padding:14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r);
    box-shadow:var(--sh-md);
    opacity:0;visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    max-height:calc(100vh - 120px);
    overflow-y:auto;
  }
  .nav-card.menu-open .nav-menu{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-item{justify-content:flex-start;padding:12px 14px;font-size:14px;border:1px solid var(--line);border-radius:12px;}
  .nav-item.active::after{display:none;}
  .nav-cta{display:none;}
  .nav-menu-cta{display:inline-flex;width:100%;margin-top:6px;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero-card{grid-template-columns:1fr;gap:28px;padding:28px;}
  .hero-lead{max-width:none;}
  .float-card.left-none{left:12px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .scene{grid-template-columns:1fr;gap:24px;padding:24px;}
  .scene.reverse .scene-media{order:0;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  h1{font-size:28px;line-height:1.32;}
  h2{font-size:22px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .grid-3{grid-template-columns:1fr;}
  .hero-card{padding:22px;border-radius:var(--r);}
  .hero-figure{aspect-ratio:3/2;}
  .float-card{position:static;margin-top:14px;left:auto;right:auto;top:auto;box-shadow:var(--sh-xs);}
  .float-card.alt{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat{padding:16px;}
  .stat .num{font-size:30px;}
  .flow{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-strip .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .diff-item{padding:20px 18px;gap:14px;grid-template-columns:1fr;}
  .diff-item .idx{padding-top:0;}
  .diff-item .tagline{grid-column:1;}
  .faq summary{padding:16px 18px;font-size:15px;}
  .faq .faq-body{margin-left:18px;padding-left:14px;padding-right:18px;}
  .vcard-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .badge{font-size:11.5px;}
  .hero-meta{gap:8px;}
  .stat .num{font-size:26px;}
}

/* roulang page: category4 */
:root{
  --primary:#1E7F6E;
  --primary-dark:#14604F;
  --primary-light:#E6F3F0;
  --primary-soft:#F0F6F4;
  --accent:#D98A3C;
  --accent-light:#FBF0E2;
  --ink:#1F2A28;
  --ink-2:#5A6B67;
  --ink-3:#8C9A96;
  --line:#E2E8E6;
  --bg:#F7FAF9;
  --card:#FFFFFF;
  --dark:#10201C;
  --danger:#C0453B;
  --shadow-xs:0 1px 2px rgba(16,32,28,.06);
  --shadow-sm:0 6px 18px rgba(16,32,28,.08);
  --shadow-md:0 14px 34px rgba(16,32,28,.12);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink)}
h1{font-size:40px}
h2{font-size:28px}
h3{font-size:20px;line-height:1.5}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-tight{padding:40px 0}
.section-alt{background:linear-gradient(180deg,#FFFFFF 0%,var(--primary-soft) 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--ink-2)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;color:var(--primary-dark);
  background:var(--primary-light);
  border-radius:var(--radius-pill);
  padding:5px 12px;margin-bottom:16px;
}
.eyebrow i{font-size:11px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.text-link i{font-size:12px;transition:transform .2s ease}
.text-link:hover{color:var(--primary-dark);text-decoration:underline}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:60;padding:0}
.nav-card{
  display:flex;align-items:center;gap:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-xs);
  padding:10px 16px;
  min-height:72px;
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .nav-card{box-shadow:var(--shadow-sm);background:#FFFFFF}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.nav-brand:hover{text-decoration:none;color:var(--ink)}
.nav-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:15px;flex:0 0 auto;
}
.nav-brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:700;line-height:1.25;letter-spacing:.2px}
.nav-brand-text small{font-size:11px;font-weight:400;color:var(--ink-3);letter-spacing:0}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:13px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-item i{font-size:13px;color:var(--primary)}
.nav-item:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary);background:#fff;text-decoration:none}
.nav-item.active{background:var(--primary-light);color:var(--primary-dark);border-color:transparent;box-shadow:inset 0 -2px 0 var(--primary)}
.nav-item.active i{color:var(--primary-dark)}
.nav-item.nav-drawer-cta{display:none}
.nav-cta{margin-left:8px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);cursor:pointer;
  place-items:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(16,32,28,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:65;
}
body.nav-open .nav-overlay{opacity:1;visibility:visible}
body.nav-open{overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;height:46px;padding:0 22px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-xs)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);text-decoration:none;box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);text-decoration:none}
.btn-light{background:#fff;color:var(--primary-dark)}
.btn-light:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);text-decoration:none}
.btn-sm{height:40px;min-height:40px;padding:0 16px;font-size:14px}

/* ---------- Hero ---------- */
.hero-section{padding:32px 0 0}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow-sm);
  padding:40px;
}
.hero-copy h1{margin-bottom:14px}
.hero-lead{font-size:17px;font-weight:600;color:var(--primary-dark);margin-bottom:12px}
.hero-copy > p.hero-text{color:var(--ink-2);max-width:60ch;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--ink-3)}
.hero-meta li{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--accent);font-size:12px}
.hero-media{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:var(--primary-light);box-shadow:var(--shadow-xs)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,32,28,0) 45%,rgba(16,32,28,.42) 100%)}
.float-card{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-xs);padding:10px 14px;font-size:13px;color:var(--ink-2);
}
.float-card strong{font-size:16px;color:var(--ink);font-variant-numeric:tabular-nums}
.float-card i{color:var(--primary)}

/* ---------- 状态条 ---------- */
.status-strip{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  background:var(--dark);color:#DDE7E4;
  border-radius:var(--radius-card);
  padding:16px 22px;font-size:13px;
  box-shadow:var(--shadow-sm);
}
.status-strip strong{color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:9px}
.status-dot{width:9px;height:9px;border-radius:50%;background:#4ED1A8;box-shadow:0 0 0 0 rgba(78,209,168,.6);animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(78,209,168,.55)}
  70%{box-shadow:0 0 0 10px rgba(78,209,168,0)}
  100%{box-shadow:0 0 0 0 rgba(78,209,168,0)}
}
.status-sep{width:1px;height:18px;background:rgba(255,255,255,.18)}
.status-strip .text-link{color:#8EE6CB;margin-left:auto}
.status-strip .text-link:hover{color:#fff}

/* ---------- 指标 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.stat-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-xs);
  padding:22px;transition:transform .2s ease,box-shadow .2s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.stat-num{font-size:36px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:4px}
.stat-track{height:6px;border-radius:var(--radius-pill);background:var(--primary-light);margin-top:14px;overflow:hidden}
.stat-fill{height:100%;background:var(--primary);border-radius:var(--radius-pill)}
.stat-fill.alt{background:var(--accent)}

/* ---------- 双栏图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split + .split{margin-top:72px}
.split-media{margin:0;border-radius:14px;overflow:hidden;aspect-ratio:3/2;background:var(--primary-light);box-shadow:var(--shadow-sm)}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.split-media:hover img{transform:scale(1.03)}
.split-body h2{margin-bottom:12px}
.split-body > p{color:var(--ink-2);margin-bottom:18px}
.split-reverse .split-media{order:2}
.split-reverse .split-body{order:1}
.check-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:12px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0;padding-bottom:4px}
.check-list i{color:var(--primary);font-size:14px;margin-top:6px;flex:0 0 auto}
.check-list b{color:var(--ink);font-weight:600}
.split-body .text-link{margin-top:16px}

/* ---------- 主题卡 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.topic-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-xs);
  padding:26px;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#CFE3DE}
.topic-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.topic-icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:var(--primary-light);color:var(--primary-dark);
  display:grid;place-items:center;font-size:17px;
}
.topic-icon.amber{background:var(--accent-light);color:#A5651F}
.topic-card h3{font-size:18px}
.topic-list{margin:6px 0 18px}
.topic-list li{
  position:relative;padding-left:18px;
  font-size:14px;color:var(--ink-2);line-height:2;
}
.topic-list li::before{content:"";position:absolute;left:0;top:14px;width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.55}
.topic-card .text-link{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-xs);
  padding:18px 20px;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item[open]{border-color:#CFE3DE}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-arrow{font-size:13px;color:var(--primary);transition:transform .2s ease;flex:0 0 auto}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-a{margin-top:12px;padding-left:14px;border-left:2px solid var(--primary-light);color:var(--ink-2);font-size:15px}
.faq-a p + p{margin-top:10px}

/* ---------- 流程 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-xs);
  padding:22px;position:relative;transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.step-num{
  display:inline-grid;place-items:center;
  width:32px;height:32px;border-radius:10px;
  background:var(--primary);color:#fff;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.step:nth-child(3) .step-num{background:var(--accent)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);
  border-radius:20px;box-shadow:var(--shadow-md);
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:radial-gradient(circle,rgba(30,127,110,.55),rgba(30,127,110,0) 68%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:#C4D4D0;max-width:56ch;font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C4D4D0;margin-top:24px;padding:64px 0 26px}
.footer-inner{border-top:1px solid rgba(255,255,255,.12);padding-top:44px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-text{color:#fff;font-size:16px;font-weight:700}
.footer-about{font-size:14px;line-height:1.9;color:#9FB2AE;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul li{font-size:14px;line-height:2.3;color:#9FB2AE}
.footer-col ul li a{color:#9FB2AE}
.footer-col ul li a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8A9C98;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:1140px}
  .nav-item{padding:8px 10px;font-size:12.5px}
  .split{gap:36px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  h1{font-size:32px}
  h2{font-size:24px}
  .nav-toggle{display:grid}
  .nav-cta{display:none}
  .nav-menu{
    position:fixed;top:0;right:0;height:100%;
    width:min(330px,88vw);
    background:#fff;
    flex-direction:column;align-items:stretch;gap:10px;
    margin-left:0;padding:88px 20px 24px;
    border-radius:16px 0 0 16px;
    box-shadow:var(--shadow-md);
    transform:translateX(103%);
    transition:transform .28s ease;
    overflow-y:auto;z-index:70;
  }
  body.nav-open .nav-menu{transform:none}
  .nav-item{width:100%;justify-content:flex-start;font-size:15px;padding:14px 14px;border:1px solid var(--line);border-radius:12px}
  .nav-item.active{box-shadow:inset 3px 0 0 var(--primary)}
  .nav-item.nav-drawer-cta{
    display:inline-flex;margin-top:12px;
    background:var(--primary);color:#fff;border-color:var(--primary);
    justify-content:center;font-size:15px;
  }
  .nav-item.nav-drawer-cta i{color:#fff}
  .nav-item.nav-drawer-cta:hover{background:var(--primary-dark);color:#fff}
  .nav-brand-text small{display:none}
  .hero-section{padding:20px 0 0}
  .hero-grid{grid-template-columns:1fr;gap:28px;padding:28px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:24px}
  .split-reverse .split-media{order:0}
  .split-reverse .split-body{order:1}
  .topic-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-about{max-width:none}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .section-head-row{flex-direction:column;align-items:flex-start}
  h1{font-size:28px}
  h2{font-size:22px}
  .container{padding:0 16px}
  .hero-grid{padding:22px;border-radius:16px}
  .hero-actions .btn{width:100%}
  .status-strip{gap:12px;font-size:12.5px;padding:14px 18px}
  .status-strip .text-link{margin-left:0}
  .status-sep{display:none}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-num{font-size:30px}
  .timeline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-grid{gap:12px}
}
@media (max-width:479px){
  .stats-grid{grid-template-columns:1fr}
  .hero-media{aspect-ratio:3/2}
  .hero-meta{gap:10px;flex-direction:column}
  .cta-actions .btn{width:100%}
}