/* roulang page: index */
:root{
  --brand-900:#0B3B36;
  --brand-700:#0F5148;
  --brand-500:#17776A;
  --brand-300:#7FB3A8;
  --accent-600:#DC5522;
  --accent-100:#FFE8DE;
  --ink-900:#10201D;
  --ink-600:#4A5F5A;
  --ink-400:#7E918C;
  --line:#E2DED4;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --mint-50:#E9F3EF;
  --danger:#C0392B;
  --shadow-1:0 1px 2px rgba(16,32,29,.06);
  --shadow-2:0 10px 28px -12px rgba(16,32,29,.22);
  --focus:0 0 0 3px rgba(23,119,106,.30);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-lg:20px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:none;box-shadow:var(--focus)}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#C4451A;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:var(--surface);color:var(--ink-900);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500)}
.btn-solid-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.42)}
.btn-solid-line:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-500)}
.btn-link .arrow{transition:transform .16s ease}
.btn-link:hover .arrow{transform:translateX(4px)}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;
  background:var(--mint-50);color:var(--brand-700);font-weight:600;
}
.badge-accent{background:var(--accent-100);color:var(--accent-600)}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-500);margin-bottom:14px;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .16s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand-700);
  color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:0;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:-0.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-600);padding:8px 0;
  transition:color .16s ease;
}
.nav-links a:hover{color:var(--brand-500)}
.nav-links a:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
.nav-links a.active{color:var(--ink-900);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-700);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  position:relative;display:flex;align-items:center;
  width:240px;height:38px;padding:0 10px 0 34px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:var(--focus)}
.search-box svg{position:absolute;left:11px;width:15px;height:15px;stroke:var(--ink-400);fill:none;stroke-width:2}
.search-box input{
  width:100%;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink-900);
}
.search-box input::placeholder{color:var(--ink-400)}
.kbd{
  flex-shrink:0;font-size:11px;color:var(--ink-400);border:1px solid var(--line);
  border-radius:6px;padding:1px 5px;line-height:1.5;background:var(--bg);
}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-600);
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.icon-btn:hover{background:var(--mint-50);color:var(--brand-700);border-color:var(--brand-300)}
.icon-btn:focus-visible{outline:none;box-shadow:var(--focus)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;
  transition:transform .18s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle:focus-visible{outline:none;box-shadow:var(--focus)}
.mobile-panel{
  display:none;padding:0 24px 22px;
}
.mobile-panel.is-open{display:block;animation:slideIn .18s ease both}
@keyframes slideIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.mobile-panel-inner{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--shadow-2);
}
.mobile-panel a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 10px;border-radius:10px;font-size:15px;color:var(--ink-900);
}
.mobile-panel a.m-link:hover{background:var(--mint-50);color:var(--brand-700)}
.mobile-panel .m-search{width:100%;margin:10px 0 12px}
.mobile-panel .m-search .search-box{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:76px 0 88px;overflow:hidden;
  background:
    radial-gradient(circle at 1px 1px, rgba(15,81,72,.10) 1px, transparent 0) 0 0/22px 22px,
    var(--bg);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line);
}
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  position:relative;z-index:1;
}
.hero h1{
  font-size:clamp(32px,4vw,52px);line-height:1.2;font-weight:700;letter-spacing:-0.01em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--brand-700)}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--ink-600);max-width:34em;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);aspect-ratio:4/5;background:var(--mint-50);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;left:-18px;bottom:28px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;box-shadow:var(--shadow-2);min-width:186px;
}
.float-card .fc-label{font-size:12px;letter-spacing:.08em;color:var(--ink-400);margin-bottom:4px}
.float-card .fc-value{font-size:28px;font-weight:700;color:var(--brand-700);line-height:1.2}
.float-card .fc-note{font-size:13px;color:var(--ink-600)}

/* ---------- 状态条 ---------- */
.status-band{background:var(--brand-900);color:#fff}
.status-inner{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 24px;font-size:14px;
}
.dot{
  width:8px;height:8px;border-radius:50%;background:#4FD1A5;
  box-shadow:0 0 0 4px rgba(79,209,165,.20);flex-shrink:0;
}
.status-label{font-weight:600;letter-spacing:.04em}
.status-value{color:rgba(255,255,255,.80)}
.status-time{margin-left:auto;color:rgba(255,255,255,.55);font-size:13px}
.status-link{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:1px}
.status-link:hover{color:#9FE3CB;border-color:#9FE3CB}

/* ---------- 通用板块 ---------- */
.section{padding:100px 0}
.section-sm{padding:72px 0}
.section-mint{background:var(--mint-50)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(26px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-0.01em;
  margin-bottom:14px;
}
.section-head p{font-size:16px;color:var(--ink-600);line-height:1.8}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head-row .section-head{margin-bottom:0}

/* ---------- 价值主张条 ---------- */
.value-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.value-item{padding:32px 28px;border-left:1px solid var(--line)}
.value-item:first-child{border-left:0;padding-left:0}
.value-item:last-child{padding-right:0}
.value-icon{
  width:34px;height:34px;border-radius:10px;background:var(--mint-50);
  display:grid;place-items:center;margin-bottom:14px;color:var(--brand-700);
}
.value-icon svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.value-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.value-item p{font-size:14px;color:var(--ink-600);line-height:1.7}

/* ---------- 功能分组 ---------- */
.feature-split{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start}
.feature-split.reverse{grid-template-columns:1fr 300px}
.feature-side h2{
  font-size:clamp(24px,2.2vw,30px);line-height:1.3;font-weight:700;letter-spacing:-0.01em;margin-bottom:14px;
}
.feature-side p{font-size:15px;color:var(--ink-600);line-height:1.8}
.feature-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease;
}
.mini-card:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300);transform:translateY(-2px)}
.mini-card .badge{margin-bottom:14px}
.mini-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.mini-card p{font-size:14px;color:var(--ink-600);line-height:1.75}

/* ---------- 使用场景 ---------- */
.scene-list{border-top:1px solid rgba(15,81,72,.14)}
.scene-row{
  display:grid;grid-template-columns:64px 1fr auto;gap:24px;align-items:center;
  padding:26px 20px;border-bottom:1px solid rgba(15,81,72,.14);
  transition:background-color .16s ease;
}
.scene-row:hover{background:rgba(255,255,255,.62)}
.scene-num{
  font-size:15px;font-weight:700;color:var(--brand-700);letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.scene-row h3{font-size:18px;font-weight:600;margin-bottom:4px}
.scene-row p{font-size:14px;color:var(--ink-600);line-height:1.7}
.scene-arrow{color:var(--ink-400);transition:transform .16s ease,color .16s ease}
.scene-row:hover .scene-arrow{color:var(--brand-500);transform:translateX(4px)}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:16px;
  transition:box-shadow .16s ease,border-color .16s ease;
}
.case-card:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.case-quote{font-size:15px;line-height:1.85;color:var(--ink-900)}
.case-metric{display:flex;align-items:baseline;gap:8px;margin-top:auto;padding-top:6px}
.case-metric strong{font-size:28px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1}
.case-metric span{font-size:13px;color:var(--ink-400)}
.case-author{font-size:13px;color:var(--ink-400);border-top:1px solid var(--line);padding-top:14px}

/* ---------- 最新信息 CMS ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cms-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease;
}
.cms-card:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300);transform:translateY(-2px)}
.cms-card-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--mint-50)}
.cms-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.cms-card:hover .cms-card-media img{transform:scale(1.04)}
.cms-card-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.cms-card-body h3{font-size:17px;font-weight:600;line-height:1.5}
.cms-card-body h3 a:hover{color:var(--brand-500)}
.cms-card-body p{
  font-size:14px;color:var(--ink-600);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400);
}
.cms-card-foot .arrow{transition:transform .16s ease,color .16s ease}
.cms-card:hover .cms-card-foot .arrow{color:var(--brand-500);transform:translateX(4px)}
.cms-empty{
  border:1px dashed var(--line);background:var(--surface);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--ink-600);font-size:15px;
}
.cms-empty span{display:block;font-size:26px;color:var(--brand-300);margin-bottom:8px}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.price-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:box-shadow .16s ease,border-color .16s ease;
}
.price-card:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.price-card.featured{
  border:1px solid var(--brand-500);box-shadow:var(--shadow-2);transform:translateY(-8px);
}
.price-card.featured:hover{transform:translateY(-10px)}
.price-tag{
  position:absolute;top:-13px;left:26px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-700);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;letter-spacing:.04em;
}
.price-name{font-size:17px;font-weight:700;margin-bottom:6px}
.price-desc{font-size:13px;color:var(--ink-400);margin-bottom:18px}
.price-amount{display:flex;align-items:baseline;gap:6px;margin-bottom:22px}
.price-amount strong{font-size:32px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1}
.price-amount span{font-size:13px;color:var(--ink-400)}
.price-list{display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
.price-list li{
  position:relative;padding-left:24px;font-size:14px;color:var(--ink-600);line-height:1.7;
}
.price-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--brand-500);font-weight:700;font-size:13px;
}
.price-card .btn{margin-top:auto}
.price-note{margin-top:22px;font-size:13px;color:var(--ink-400);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease;
}
.faq-item:hover{border-color:var(--brand-300)}
.faq-item[open]{box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:none;box-shadow:var(--focus)}
.faq-item summary::after{
  content:"▾";flex-shrink:0;color:var(--brand-500);font-size:13px;
  transition:transform .16s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-600)}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--brand-900);color:#fff;border-radius:0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:56px 0;
}
.cta-inner h2{font-size:clamp(22px,2.2vw,30px);font-weight:700;line-height:1.35;margin-bottom:8px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--ink-600);line-height:1.8;max-width:30em}
.footer-contact{margin-top:16px;font-size:13px;color:var(--ink-400);line-height:1.9}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-600);transition:color .16s ease}
.footer-col a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-400);
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-600);
  padding:8px 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface);
  transition:color .16s ease,border-color .16s ease;
}
.to-top:hover{color:var(--brand-500);border-color:var(--brand-300)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 32px}
  .feature-split,.feature-split.reverse{grid-template-columns:1fr;gap:28px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual .frame{aspect-ratio:16/11}
  .float-card{left:auto;right:16px;bottom:-18px}
  .cms-grid,.case-grid,.price-grid,.feature-cols{grid-template-columns:repeat(2,1fr)}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-2px)}
  .value-row{grid-template-columns:1fr}
  .value-item{border-left:0;border-top:1px solid var(--line);padding:24px 0}
  .value-item:first-child{border-top:0;padding-top:0}
}
@media (max-width:900px){
  .nav-links,.search-box,.nav-right .icon-btn,.nav-right .btn{display:none}
  .nav-right .btn.m-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-right{margin-left:auto;gap:8px}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .hero{padding:52px 0 64px}
  .scene-row{grid-template-columns:48px 1fr;gap:16px}
  .scene-arrow{display:none}
  .cta-inner{padding:44px 0}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .hero h1{font-size:clamp(28px,7.4vw,36px)}
  .hero-actions .btn{width:100%}
  .cms-grid,.case-grid,.price-grid,.feature-cols{grid-template-columns:1fr}
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .status-inner{gap:8px 12px}
  .status-time{margin-left:0;width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .float-card{position:static;margin-top:16px;left:auto;right:auto;bottom:auto}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:380px){
  body{font-size:15px}
  .logo-text{font-size:16px}
  .hero-badges .badge{font-size:11px;padding:0 8px}
  .footer-grid{grid-template-columns:1fr}
}
@media (hover:none){
  .mini-card:hover,.cms-card:hover,.case-card:hover,.price-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --brand-900:#0B3B36;
  --brand-700:#0F5148;
  --brand-500:#17776A;
  --brand-300:#7FB3A8;
  --accent-600:#DC5522;
  --accent-100:#FFE8DE;
  --ink-900:#10201D;
  --ink-600:#4A5F5A;
  --ink-400:#7E918C;
  --line:#E2DED4;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --mint-50:#E9F3EF;
  --danger:#C0392B;
  --shadow-1:0 1px 2px rgba(16,32,29,.06);
  --shadow-2:0 10px 28px -12px rgba(16,32,29,.22);
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --focus:0 0 0 3px rgba(23,119,106,.30);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color 160ms ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 180ms ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:28px;
  height:28px;
  border-radius:8px;
  background:var(--brand-700);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:14px;
  font-weight:700;
  line-height:1;
}
.logo-text{
  font-size:18px;
  font-weight:700;
  color:var(--ink-900);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--ink-600);
  padding:6px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-19px;
  height:2px;
  background:transparent;
  transition:background 160ms ease;
}
.nav-links a:hover{color:var(--brand-500)}
.nav-links a.active{color:var(--ink-900);font-weight:600}
.nav-links a.active::after{background:var(--brand-700)}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.command-search{
  position:relative;
  width:246px;
  height:38px;
}
.command-search svg{
  position:absolute;
  left:12px;
  top:50%;
  transform:translateY(-50%);
  width:15px;
  height:15px;
  color:var(--ink-400);
  pointer-events:none;
}
.command-search input{
  width:100%;
  height:38px;
  padding:0 46px 0 34px;
  font-size:14px;
  font-family:inherit;
  color:var(--ink-900);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color 160ms ease,box-shadow 160ms ease;
}
.command-search input::placeholder{color:var(--ink-400)}
.command-search input:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:var(--focus);
}
.command-search .kbd{
  position:absolute;
  right:8px;
  top:50%;
  transform:translateY(-50%);
  height:20px;
  padding:0 7px;
  display:inline-flex;
  align-items:center;
  font-size:11px;
  letter-spacing:.04em;
  color:var(--ink-400);
  background:var(--mint-50);
  border-radius:var(--radius-pill);
}
.icon-btn{
  width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid transparent;
  background:transparent;
  color:var(--brand-700);
  cursor:pointer;
  transition:background 160ms ease,color 160ms ease;
}
.icon-btn svg{width:17px;height:17px}
.icon-btn:hover{background:var(--mint-50);color:var(--brand-900)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  font-size:15px;
  font-weight:600;
  font-family:inherit;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background 160ms ease,color 160ms ease,border-color 160ms ease,transform 160ms ease,box-shadow 160ms ease;
  text-align:center;
}
.btn-primary{
  background:var(--accent-600);
  color:#fff;
}
.btn-primary:hover{
  background:#C6491B;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{
  background:var(--surface);
  color:var(--ink-900);
  border-color:var(--line);
}
.btn-ghost:hover{
  color:var(--brand-500);
  border-color:var(--brand-300);
  background:var(--surface);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-500);
}
.text-link span{transition:transform 160ms ease;display:inline-block}
.text-link:hover span{transform:translateX(4px)}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--ink-900);
  cursor:pointer;
}
.menu-toggle svg{width:20px;height:20px}
.mobile-panel{
  display:none;
  position:absolute;
  left:0;
  right:0;
  top:68px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-2);
  border-radius:0 0 16px 16px;
  padding:16px 24px 22px;
}
.mobile-panel.open{
  display:block;
  animation:panelIn 180ms ease both;
}
@keyframes panelIn{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:translateY(0)}
}
.mobile-panel .m-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.mobile-panel .m-nav a{
  padding:12px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--ink-900);
  background:var(--bg);
}
.mobile-panel .m-nav a.active{background:var(--mint-50);color:var(--brand-700);font-weight:600}
.mobile-panel .command-search{width:100%;margin-bottom:12px}
/* ---------- page shell ---------- */
.page-main{padding:36px 0 96px}
.breadcrumb{
  margin-bottom:28px;
  font-size:14px;
  color:var(--ink-400);
}
.breadcrumb ol{
  list-style:none;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li + li::before{content:"/";color:var(--ink-400)}
.breadcrumb a{color:var(--ink-400)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .current{
  color:var(--ink-600);
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0}
.article-head{max-width:760px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:24px;
  padding:0 12px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--brand-700);
  background:var(--mint-50);
  border-radius:var(--radius-pill);
  margin-bottom:18px;
}
.article-head h1{
  font-size:clamp(26px,3vw,38px);
  line-height:1.32;
  font-weight:700;
  letter-spacing:-0.01em;
  margin-bottom:18px;
  word-break:break-word;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--ink-400);
}
.article-meta .dot{color:var(--line)}
.article-meta .badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  font-size:12px;
  color:var(--brand-700);
  background:var(--mint-50);
  border-radius:var(--radius-pill);
}
.article-cover{
  max-width:760px;
  margin:28px 0 8px;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.article-body-wrap{max-width:760px}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--ink-900);
}
.article-body p{margin:1.1em 0}
.article-body h2{
  font-size:24px;
  line-height:1.4;
  font-weight:700;
  margin:42px 0 16px;
  padding-left:12px;
  border-left:4px solid var(--brand-700);
}
.article-body h3{
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  margin:32px 0 12px;
}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.article-body img{
  border-radius:12px;
  margin:24px auto;
}
.article-body figure{margin:24px 0}
.article-body figcaption{
  font-size:13px;
  color:var(--ink-400);
  text-align:center;
  margin-top:10px;
}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--brand-700);
  background:var(--mint-50);
  border-radius:8px;
  color:var(--ink-600);
}
.article-body blockquote p:first-child{margin-top:0}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:1.4em;margin:1.1em 0}
.article-body li{margin:8px 0}
.article-body strong{font-weight:700;color:var(--ink-900)}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
}
.article-body th{background:var(--mint-50);font-weight:600}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  background:var(--mint-50);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre{
  background:var(--brand-900);
  color:#EAF3F0;
  padding:18px 20px;
  border-radius:12px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:24px 0;
}
.article-body pre code{background:transparent;padding:0;color:inherit}
.article-body hr{
  border:none;
  border-top:1px solid var(--line);
  margin:32px 0;
}
.empty-state{
  max-width:760px;
  margin:8px 0 0;
  padding:56px 28px;
  text-align:center;
  background:var(--mint-50);
  border:1px dashed var(--brand-300);
  border-radius:var(--radius-card);
}
.empty-state svg{
  width:36px;
  height:36px;
  color:var(--brand-500);
  margin:0 auto 14px;
}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{font-size:15px;color:var(--ink-600);margin-bottom:20px}
/* ---------- aside ---------- */
.article-aside{
  min-width:0;
}
.aside-sticky{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.aside-card h3{
  font-size:15px;
  font-weight:600;
  margin-bottom:14px;
  letter-spacing:0;
}
.aside-list{list-style:none;display:flex;flex-direction:column;margin:0;padding:0}
.aside-list li{
  border-bottom:1px solid var(--line);
}
.aside-list li:last-child{border-bottom:none}
.aside-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 0;
  font-size:14px;
  color:var(--ink-600);
}
.aside-list a .arrow{color:var(--ink-400);transition:transform 160ms ease,color 160ms ease}
.aside-list a:hover{color:var(--brand-500)}
.aside-list a:hover .arrow{color:var(--brand-500);transform:translateX(3px)}
.aside-note{
  background:var(--brand-900);
  border-color:var(--brand-900);
  color:#DDEBE6;
}
.aside-note h3{color:#fff}
.aside-note p{font-size:14px;line-height:1.8;color:#C6DAD3;margin-bottom:16px}
.aside-note .btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.35);
}
.aside-note .btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  color:#fff;
}
/* ---------- related ---------- */
.related-section{margin-top:64px;padding-top:48px;border-top:1px solid var(--line)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.2vw,28px);
  font-weight:700;
  line-height:1.3;
}
.section-head p{font-size:14px;color:var(--ink-400);margin-top:6px}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:box-shadow 160ms ease,border-color 160ms ease,transform 160ms ease;
}
.card:hover{
  box-shadow:var(--shadow-2);
  border-color:var(--brand-300);
  transform:translateY(-2px);
}
.card-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--mint-50);
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 320ms ease;
}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body .tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  font-size:12px;
  color:var(--brand-700);
  background:var(--mint-50);
  border-radius:var(--radius-pill);
}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5}
.card-body p{font-size:14px;line-height:1.75;color:var(--ink-600)}
.card-body .card-link{
  margin-top:auto;
  padding-top:8px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-500);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-body .card-link span{transition:transform 160ms ease}
.card-body .card-link:hover span{transform:translateX(4px)}
/* ---------- CTA band ---------- */
.cta-band{
  margin-top:72px;
  background:var(--brand-900);
  border-radius:20px;
  padding:44px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,28px);
  color:#fff;
  line-height:1.35;
  margin-bottom:8px;
}
.cta-band p{font-size:15px;color:#C6DAD3;max-width:520px}
.cta-band .cta-actions{display:flex;gap:12px;flex:0 0 auto}
.cta-band .btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.35);
}
.cta-band .btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  color:#fff;
}
/* ---------- footer ---------- */
.site-footer{
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand p{
  margin:16px 0;
  font-size:14px;
  line-height:1.8;
  color:var(--ink-600);
  max-width:340px;
}
.footer-contact{
  font-size:13px;
  line-height:1.9;
  color:var(--ink-400);
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--ink-900);
  margin-bottom:16px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;
  color:var(--ink-600);
}
.footer-col a:hover{
  color:var(--brand-500);
  text-decoration:underline;
  text-underline-offset:3px;
}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--ink-400);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--ink-600);
}
.to-top:hover{color:var(--brand-500)}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{display:none}
  .article-head,.article-cover,.article-body-wrap{max-width:820px}
}
@media (max-width:1023px){
  .container{padding:0 32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-links,.header-actions .command-search,.header-actions .icon-btn{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{gap:16px;height:64px}
  .mobile-panel{top:64px}
  .header-actions{gap:8px}
  .header-actions .btn-sm{height:38px;padding:0 14px;font-size:13px}
  .page-main{padding:28px 0 72px}
  .breadcrumb{margin-bottom:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{flex:1}
}
@media (max-width:640px){
  .container{padding:0 20px}
  body{font-size:15px}
  .logo-text{font-size:16px}
  .card-grid{grid-template-columns:1fr}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin-top:34px}
  .article-body h3{font-size:18px}
  .article-meta{font-size:13px}
  .article-cover{border-radius:16px}
  .cta-band{border-radius:16px}
  .cta-band .cta-actions{flex-direction:column}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .page-main{padding:24px 0 56px}
  .related-section{margin-top:48px;padding-top:32px}
}
@media (max-width:380px){
  .logo-text{font-size:15px}
  .badge,.eyebrow,.article-meta .badge{font-size:11px}
  .footer-grid{grid-template-columns:1fr}
  .article-head h1{font-size:24px}
}
@media (hover:hover){
  .card:hover .card-link{color:var(--brand-700)}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3B36;
  --brand-700:#0F5148;
  --brand-500:#17776A;
  --brand-300:#7FB3A8;
  --accent-600:#DC5522;
  --accent-100:#FFE8DE;
  --ink-900:#10201D;
  --ink-600:#4A5F5A;
  --ink-400:#7E918C;
  --line:#E2DED4;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --mint-50:#E9F3EF;
  --danger:#C0392B;
  --shadow-1:0 1px 2px rgba(16,32,29,.06);
  --shadow-2:0 10px 28px -12px rgba(16,32,29,.22);
  --focus:0 0 0 3px rgba(23,119,106,.30);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-lg:20px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
button{font-family:inherit;}
input{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn-primary{background:var(--accent-600);color:#fff;border-color:var(--accent-600);}
.btn-primary:hover{background:#c74a1c;border-color:#c74a1c;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:var(--surface);color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand-500);border-color:var(--brand-500);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-light{background:#fff;color:var(--brand-900);border-color:#fff;}
.btn-light:hover{background:var(--accent-100);border-color:var(--accent-100);color:var(--brand-900);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;line-height:1;white-space:nowrap;
}
.badge-mint{background:var(--mint-50);color:var(--brand-700);}
.badge-accent{background:var(--accent-100);color:var(--accent-600);}
.badge-line{background:var(--surface);color:var(--ink-600);border:1px solid var(--line);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);flex-shrink:0;}
.logo:hover{color:var(--ink-900);}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand-700);
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:0;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:-.01em;}
.nav-links{display:flex;align-items:center;gap:28px;margin-right:auto;}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-600);padding:6px 0;transition:color .16s ease;
}
.nav-links a:hover{color:var(--brand-500);}
.nav-links a.active{color:var(--ink-900);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-700);
}
.header-right{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;width:240px;height:38px;
  padding:0 8px 0 12px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);color:var(--ink-400);font-size:14px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:var(--focus);}
.search-box input{
  flex:1;min-width:0;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--ink-900);
}
.search-box input::placeholder{color:var(--ink-400);}
.search-box svg{flex-shrink:0;}
.kbd{
  font-size:11px;line-height:1;color:var(--ink-400);background:var(--bg);
  border:1px solid var(--line);border-radius:6px;padding:3px 6px;white-space:nowrap;
}
.icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand-700);display:grid;place-items:center;cursor:pointer;
  transition:background-color .16s ease,border-color .16s ease,transform .16s ease;
}
.icon-btn:hover{background:var(--mint-50);border-color:var(--brand-300);transform:translateY(-1px);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  align-items:center;justify-content:center;color:var(--ink-900);
}
.menu-toggle:hover{background:var(--mint-50);border-color:var(--brand-300);}
.mobile-panel{
  display:none;position:absolute;left:12px;right:12px;top:74px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);padding:14px;
}
.mobile-panel.is-open{display:block;animation:panelIn .18s ease both;}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-panel a.mp-link{
  display:block;padding:12px 14px;border-radius:10px;font-size:15px;color:var(--ink-900);
}
.mobile-panel a.mp-link:hover{background:var(--mint-50);color:var(--brand-700);}
.mobile-panel a.mp-link.active{background:var(--mint-50);color:var(--brand-700);font-weight:600;}
.mobile-panel .mp-foot{display:grid;gap:10px;margin-top:10px;padding-top:14px;border-top:1px solid var(--line);}
.mobile-panel .search-box{width:100%;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:var(--mint-50);
  border-bottom:1px solid var(--line);
  padding:48px 0 52px;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(15,81,72,.14) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.6;
  -webkit-mask-image:linear-gradient(120deg,rgba(0,0,0,.85),rgba(0,0,0,0));
  mask-image:linear-gradient(120deg,rgba(0,0,0,.85),rgba(0,0,0,0));
  pointer-events:none;
}
.page-head .container{position:relative;}
.breadcrumb{margin-bottom:20px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;font-size:14px;color:var(--ink-400);}
.breadcrumb li{display:flex;align-items:center;}
.breadcrumb li+li::before{content:"/";margin:0 8px;color:var(--ink-400);}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb li[aria-current] span{color:var(--ink-600);}
.page-head h1{
  font-size:clamp(30px,3.8vw,46px);
  line-height:1.2;
  max-width:820px;
}
.page-head .head-sub{
  margin-top:18px;max-width:640px;
  font-size:17px;line-height:1.8;color:var(--ink-600);
}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ---------- 状态条 ---------- */
.status-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:10px 20px;margin-top:28px;width:fit-content;max-width:100%;
  box-shadow:var(--shadow-1);font-size:13px;color:var(--ink-600);
}
.status-dot{
  width:8px;height:8px;border-radius:999px;background:var(--brand-500);
  box-shadow:0 0 0 4px rgba(23,119,106,.14);display:inline-block;margin-right:8px;
}
.status-item{display:inline-flex;align-items:center;}
.status-sep{width:1px;height:14px;background:var(--line);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-mint{background:var(--mint-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(26px,2.6vw,36px);}
.section-head p{margin-top:14px;font-size:16px;line-height:1.8;color:var(--ink-600);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--brand-700);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-700);border-radius:2px;}

/* ---------- 两栏布局 ---------- */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start;}
.toc{position:sticky;top:96px;}
.toc-title{font-size:12px;letter-spacing:.14em;color:var(--ink-400);margin-bottom:14px;font-weight:600;}
.toc a{
  display:block;padding:9px 0 9px 14px;font-size:14px;color:var(--ink-600);
  border-left:2px solid transparent;transition:color .16s ease,border-color .16s ease,background-color .16s ease;
}
.toc a:hover{color:var(--brand-500);background:rgba(233,243,239,.6);}
.toc a.active{color:var(--brand-700);font-weight:600;border-left-color:var(--brand-700);}
.toc-note{
  margin-top:22px;padding:16px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);font-size:13px;line-height:1.7;color:var(--ink-600);
}
.toc-pills{display:none;gap:10px;overflow-x:auto;padding-bottom:6px;margin-bottom:24px;-webkit-overflow-scrolling:touch;}
.toc-pills a{
  flex:0 0 auto;padding:8px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);font-size:14px;color:var(--ink-600);white-space:nowrap;
}
.toc-pills a:hover{border-color:var(--brand-300);color:var(--brand-500);}
.toc-pills a.active{background:var(--mint-50);border-color:var(--brand-300);color:var(--brand-700);font-weight:600;}

/* ---------- 模块卡 ---------- */
.feature-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  margin-bottom:28px;background:var(--surface);
}
.feature-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;}
.feature-figure figcaption{
  padding:12px 18px;font-size:13px;color:var(--ink-400);border-top:1px solid var(--line);background:var(--surface);
}
.module-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;margin-bottom:20px;scroll-margin-top:96px;
  transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease;
}
.module-card:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300);}
.module-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;}
.module-head h2{font-size:22px;line-height:1.35;}
.module-index{
  font-variant-numeric:tabular-nums;font-size:12px;letter-spacing:.08em;
  color:var(--brand-700);background:var(--mint-50);border-radius:8px;padding:4px 9px;font-weight:600;
}
.module-card p{font-size:16px;line-height:1.8;color:var(--ink-600);}
.point-list{margin-top:16px;display:grid;gap:10px;}
.point-list li{
  position:relative;padding-left:20px;font-size:15px;line-height:1.7;color:var(--ink-900);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--brand-300);
}
.module-media{margin-top:18px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);}
.module-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 模块一览 ---------- */
.module-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.module-row{
  display:grid;grid-template-columns:180px minmax(0,1fr) auto;
  gap:20px;align-items:center;padding:18px 24px;
  border-bottom:1px solid var(--line);transition:background-color .16s ease;
}
.module-row:last-child{border-bottom:0;}
.module-row:hover{background:var(--mint-50);}
.module-row .mr-name{font-size:16px;font-weight:600;color:var(--ink-900);}
.module-row .mr-desc{font-size:14px;line-height:1.7;color:var(--ink-600);}
.module-row .mr-state{justify-self:end;}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease;
}
.scene-card:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300);transform:translateY(-2px);}
.scene-card h3{font-size:19px;margin-bottom:12px;}
.scene-card p{font-size:15px;line-height:1.8;color:var(--ink-600);}
.scene-num{
  font-variant-numeric:tabular-nums;font-size:12px;letter-spacing:.1em;color:var(--brand-700);
  font-weight:600;margin-bottom:12px;display:block;
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;transition:box-shadow .16s ease,border-color .16s ease;
}
.step:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300);}
.step::after{
  content:"";position:absolute;right:-11px;top:44px;width:22px;height:1px;background:var(--line);
}
.step:last-child::after{display:none;}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--brand-700);color:#fff;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;line-height:1.75;color:var(--ink-600);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease;
}
.faq-item:hover{border-color:var(--brand-300);}
.faq-item.is-open{border-color:var(--brand-300);box-shadow:var(--shadow-1);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 24px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-q .caret{
  flex-shrink:0;width:22px;height:22px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-700);
  transition:transform .2s ease,background-color .16s ease,border-color .16s ease;
}
.faq-item.is-open .caret{transform:rotate(180deg);background:var(--mint-50);border-color:var(--brand-300);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-600);}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease;height:100%;
}
.rec-card:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300);transform:translateY(-2px);color:inherit;}
.rec-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rec-body h3{font-size:19px;color:var(--ink-900);line-height:1.4;}
.rec-body p{font-size:15px;line-height:1.75;color:var(--ink-600);}
.rec-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-700);
}
.rec-card:hover .rec-more span{transform:translateX(4px);}
.rec-more span{transition:transform .16s ease;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);color:#fff;border-radius:var(--r-lg);
  padding:48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:20px 20px;opacity:.35;pointer-events:none;
}
.cta-band > *{position:relative;}
.cta-band h2{font-size:clamp(24px,2.4vw,32px);color:#fff;max-width:620px;}
.cta-band p{margin-top:12px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-600);max-width:320px;}
.footer-contact{margin-top:18px;font-size:13px;line-height:1.9;color:var(--ink-400);}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:16px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--ink-600);}
.footer-col a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--ink-400);
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-600);}
.to-top:hover{color:var(--brand-500);}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .layout{grid-template-columns:210px minmax(0,1fr);gap:36px;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .container{padding:0 32px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .header-right{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
  .layout{grid-template-columns:1fr;gap:0;}
  .toc{display:none;}
  .toc-pills{display:flex;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .page-head{padding:36px 0 42px;}
  .cta-band{padding:36px;}
  .rec-grid{grid-template-columns:1fr;}
  .module-row{grid-template-columns:1fr;gap:8px;}
  .module-row .mr-state{justify-self:start;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-head h1{font-size:clamp(26px,7vw,32px);}
  .page-head .head-sub{font-size:16px;}
  .head-actions .btn{width:100%;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .module-card{padding:22px 20px;}
  .cta-band{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .status-bar{border-radius:16px;padding:12px 16px;gap:10px;width:100%;}
  .status-sep{display:none;}
  .status-item{width:100%;}
}
@media (max-width:380px){
  body{font-size:15px;}
  .logo-text{font-size:16px;}
  .badge{height:22px;font-size:11px;}
}
@media (hover:hover){
  .module-row:hover .mr-name{color:var(--brand-700);}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B3B36;
  --brand-700:#0F5148;
  --brand-500:#17776A;
  --brand-300:#7FB3A8;
  --accent-600:#DC5522;
  --accent-100:#FFE8DE;
  --ink-900:#10201D;
  --ink-600:#4A5F5A;
  --ink-400:#7E918C;
  --line:#E2DED4;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --mint-50:#E9F3EF;
  --danger:#C0392B;
  --shadow-1:0 1px 2px rgba(16,32,29,.06);
  --shadow-2:0 10px 28px -12px rgba(16,32,29,.22);
  --radius-card:16px;
  --radius-img:13px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-hero:20px;
  --focus:0 0 0 3px rgba(23,119,106,.30);
  --dur:160ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:-0.01em;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color var(--dur) ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-0.01em;}
h1{font-size:clamp(32px,4vw,48px);line-height:1.2;}
h2{font-size:clamp(26px,2.6vw,36px);}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand-700);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:0;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:-0.01em;}
.logo:hover .logo-text{color:var(--brand-700);}
.nav-links{display:flex;align-items:center;gap:28px;margin-right:auto;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--ink-600);transition:color var(--dur) ease;
}
.nav-links a:hover{color:var(--brand-500);}
.nav-links a.active{color:var(--ink-900);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand-700);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px 0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color var(--dur) ease,box-shadow var(--dur) ease;
}
.command-search:focus-within{border-color:var(--brand-500);box-shadow:var(--focus);}
.command-search svg{flex:none;color:var(--ink-400);}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink-900);
}
.command-search input::placeholder{color:var(--ink-400);}
.command-search .kbd{
  flex:none;font-size:11px;line-height:1;color:var(--ink-400);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:4px 7px;background:var(--bg);letter-spacing:.02em;
}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--dur) ease,border-color var(--dur) ease,color var(--dur) ease;
}
.icon-btn:hover{background:var(--mint-50);border-color:var(--brand-300);color:var(--brand-700);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--dur) ease,border-color var(--dur) ease,color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#C74A1C;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-500);
  background:none;border:0;padding:0;
}
.btn-text .arrow{transition:transform var(--dur) ease;}
.btn-text:hover .arrow{transform:translateX(4px);}
.hamburger{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--ink-900);
  align-items:center;justify-content:center;
}
.hamburger:hover{background:var(--mint-50);}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:var(--surface);
  padding:16px 24px 20px;
}
.mobile-panel.open{display:block;animation:slideDown 180ms ease both;}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-panel a{
  display:block;padding:12px 4px;font-size:16px;color:var(--ink-600);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-of-type{border-bottom:0;}
.mobile-panel a.active{color:var(--brand-700);font-weight:600;}
.mobile-panel .mobile-foot{margin-top:16px;display:grid;gap:12px;}
.mobile-panel .command-search{width:100%;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:24px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-400);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .current{color:var(--ink-600);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:48px 0 88px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(15,81,72,.11) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.55;pointer-events:none;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--accent-100);color:var(--accent-600);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.hero-copy h1{margin-top:18px;}
.hero-copy h1 .hl{color:var(--brand-700);}
.hero-lead{
  margin-top:18px;max-width:38ch;
  font-size:17px;line-height:1.8;color:var(--ink-600);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--mint-50);color:var(--brand-700);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.pill--line{background:var(--surface);border:1px solid var(--line);color:var(--ink-600);}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--radius-hero);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  aspect-ratio:4 / 3.2;background:var(--mint-50);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,59,54,0) 55%,rgba(11,59,54,.42) 100%);
}
.hero-float{
  position:absolute;left:-16px;bottom:-20px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-2);padding:14px 18px;min-width:180px;
}
.hero-float .k{font-size:12px;color:var(--ink-400);letter-spacing:.06em;}
.hero-float .v{
  font-size:24px;font-weight:700;color:var(--brand-700);
  font-variant-numeric:tabular-nums;line-height:1.2;margin-top:2px;
}
.hero-float .s{font-size:12px;color:var(--ink-600);margin-top:2px;}

/* ---------- 状态条 ---------- */
.status-band{
  background:var(--brand-900);color:#fff;
  padding:26px 0;
}
.status-inner{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:24px;align-items:center;}
.status-title{display:flex;flex-direction:column;gap:4px;}
.status-title .t{font-size:15px;font-weight:600;letter-spacing:.02em;}
.status-title .d{font-size:13px;color:rgba(255,255,255,.62);}
.status-item{display:flex;align-items:center;gap:10px;}
.status-item .dot{
  width:8px;height:8px;border-radius:50%;background:#7FD9C4;flex:none;
  box-shadow:0 0 0 4px rgba(127,217,196,.16);
}
.status-item .txt{display:flex;flex-direction:column;line-height:1.4;}
.status-item .txt b{font-size:14px;font-weight:600;}
.status-item .txt span{font-size:12px;color:rgba(255,255,255,.6);font-variant-numeric:tabular-nums;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .kicker{
  display:block;font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--brand-500);margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-600);font-size:16px;line-height:1.8;max-width:42ch;}
.section--mint{background:var(--mint-50);}
.section--paper{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 三步价值 ---------- */
.value-row{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
}
.value-item{padding:28px 26px 4px;border-right:1px solid var(--line);}
.value-item:last-child{border-right:0;}
.value-item .vi-icon{
  width:36px;height:36px;border-radius:10px;background:var(--mint-50);
  color:var(--brand-700);display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
}
.value-item h3{font-size:17px;margin-bottom:8px;}
.value-item p{font-size:14px;color:var(--ink-600);line-height:1.8;}

/* ---------- 流程时间线 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  position:relative;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px 24px;
  transition:box-shadow var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.step .step-no{
  font-size:15px;font-weight:700;color:var(--brand-300);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
  display:block;margin-bottom:10px;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--ink-600);line-height:1.8;}
.step .step-tag{
  display:inline-block;margin-top:16px;
  font-size:12px;color:var(--brand-700);background:var(--mint-50);
  border-radius:var(--radius-pill);padding:3px 10px;letter-spacing:.04em;
}

/* ---------- 对照表 ---------- */
.table-shell{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.compare{
  width:100%;min-width:720px;border-collapse:collapse;
  font-size:15px;
}
table.compare th,table.compare td{
  text-align:left;padding:0 22px;height:56px;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
table.compare thead th{
  background:var(--mint-50);color:var(--brand-700);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  border-bottom:1px solid var(--line);
}
table.compare tbody tr:nth-child(even){background:#FBFDFC;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody th{
  font-weight:600;color:var(--ink-900);font-size:15px;background:transparent;
}
table.compare td{color:var(--ink-600);}
table.compare .good{color:var(--brand-700);font-weight:600;}
table.compare .warn{color:var(--danger);font-weight:600;}
.table-note{
  margin-top:16px;font-size:13px;color:var(--ink-400);line-height:1.8;
}

/* ---------- 图文要点 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-figure{
  border-radius:var(--radius-hero);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16 / 11;box-shadow:var(--shadow-1);background:var(--mint-50);
}
.split-figure img{width:100%;height:100%;object-fit:cover;}
.check-list{margin-top:26px;display:grid;gap:16px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink-600);line-height:1.8;
}
.check-list .tick{
  flex:none;width:22px;height:22px;border-radius:50%;
  background:var(--mint-50);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;margin-top:2px;
}
.check-list b{color:var(--ink-900);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color var(--dur) ease,box-shadow var(--dur) ease;
}
.faq-item.open{border-color:var(--brand-300);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
  transition:color var(--dur) ease;
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--mint-50);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform var(--dur) ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 220ms ease;
}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-600);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);color:#fff;
  border-radius:var(--radius-hero);
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;border:1px solid rgba(255,255,255,.14);
}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);color:#fff;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.7);max-width:46ch;line-height:1.8;}
.cta-band .btn-primary{flex:none;position:relative;z-index:1;}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:box-shadow var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.rec-card:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300);transform:translateY(-2px);}
.rec-media{aspect-ratio:16 / 10;overflow:hidden;background:var(--mint-50);}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.rec-card:hover .rec-media img{transform:scale(1.03);}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;line-height:1.5;}
.rec-body p{font-size:14px;color:var(--ink-600);line-height:1.8;flex:1;}
.rec-body .more{font-size:14px;font-weight:600;color:var(--brand-500);display:inline-flex;gap:6px;align-items:center;}
.rec-card:hover .more .arrow{transform:translateX(4px);}
.rec-body .more .arrow{transition:transform var(--dur) ease;}

/* ---------- Footer ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--ink-600);max-width:34ch;}
.footer-contact{margin-top:18px;font-size:13px;line-height:1.9;color:var(--ink-400);}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--ink-600);}
.footer-col a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-400);
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-600);}
.to-top:hover{color:var(--brand-500);}

/* ---------- Hover 保护 ---------- */
@media (hover:hover){
  .step:hover{box-shadow:var(--shadow-2);border-color:var(--brand-300);transform:translateY(-2px);}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 32px;}
  .hero-grid{gap:40px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .status-inner{grid-template-columns:1fr 1fr;gap:20px;}
  .status-title{grid-column:1 / -1;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .command-search{display:none;}
  .header-actions .btn{display:none;}
  .hamburger{display:inline-flex;margin-left:auto;}
  .header-inner{gap:12px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-copy h1{font-size:clamp(28px,6vw,38px);}
  .hero-lead{max-width:none;}
  .hero-float{left:auto;right:12px;bottom:-18px;}
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .value-row{grid-template-columns:1fr;}
  .value-item{border-right:0;border-bottom:1px solid var(--line);padding:24px 0 20px;}
  .value-item:last-child{border-bottom:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .rec-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero{padding:32px 0 64px;}
  .steps{grid-template-columns:1fr;}
  .rec-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .hero-actions .btn{width:100%;}
  .cta-band{border-radius:16px;}
  .cta-band .btn{width:100%;}
  .status-inner{grid-template-columns:1fr;}
  .breadcrumb .current{max-width:46vw;}
}
@media (max-width:380px){
  body{font-size:15px;}
  .logo-text{font-size:16px;}
  .hero-badges .pill{font-size:11px;}
  .footer-grid{grid-template-columns:1fr;}
}