/* roulang page: index */
:root{
  --brand:#E8552F;
  --brand-dark:#C93F1D;
  --brand-light:#FDEDE7;
  --green:#10362E;
  --green-2:#1B4A40;
  --amber:#F5B62C;
  --bg:#FAF6F0;
  --bg-2:#F1EAE0;
  --card:#FFFFFF;
  --text:#1B1A17;
  --text-2:#5C574F;
  --text-3:#8A8279;
  --on-dark:#F6F1E9;
  --line:#E4DACC;
  --line-dark:rgba(246,241,233,.16);
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,26,23,.05);
  --sh-2:0 10px 28px -14px rgba(27,26,23,.22);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --space-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid rgba(232,85,47,.45);outline-offset:2px;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h3{font-size:19px;line-height:1.45;font-weight:600;}
p{color:var(--text-2);}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;}
.grid-container.full{padding-left:32px;padding-right:32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(27,26,23,.06);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{background:var(--brand-dark);transform:translateY(0);}
.btn-outline{background:transparent;color:var(--green);border-color:var(--green);}
.btn-outline:hover{background:var(--green);color:var(--on-dark);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-cta{height:40px;padding:0 20px;font-size:14px;}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.6;font-weight:600;
  background:var(--brand-light);color:var(--brand);
}
.badge-green{background:rgba(16,54,46,.08);color:var(--green);}
.badge-amber{background:rgba(245,182,44,.18);color:#8A5F06;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,246,240,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 32px;height:64px;
  display:flex;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
  box-shadow:0 4px 12px -6px rgba(232,85,47,.8);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--r-sm);
  font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;min-width:230px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search i{color:var(--text-3);font-size:13px;}
.command-search input{
  flex:1;border:0;outline:0;background:transparent;font-family:inherit;
  font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3);}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,47,.18);}
.command-search kbd{
  font-family:inherit;font-size:11px;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;background:var(--bg);
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:80;
  background:#fff;border-left:1px solid var(--line);
  padding:24px 20px;transform:translateX(102%);transition:transform .24s ease;
  overflow-y:auto;box-shadow:var(--sh-2);
}
.drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:14px;font-weight:600;color:var(--text-3);margin-bottom:12px;}
.drawer a.drawer-link{
  display:block;padding:12px 4px;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:500;color:var(--text);
}
.drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer .btn{margin-top:20px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,26,23,.32);z-index:70;opacity:0;pointer-events:none;transition:opacity .24s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- Hero ---------- */
.hero{padding:76px 0 0;position:relative;}
.hero-inner{display:flex;gap:48px;align-items:center;}
.hero-copy{flex:0 0 58%;max-width:58%;}
.hero-visual{flex:1;position:relative;}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:34em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.trust-item i{color:var(--brand);font-size:13px;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);background:var(--bg-2);box-shadow:var(--sh-2);}
.float-card{
  position:absolute;right:-14px;bottom:-18px;background:#fff;border-radius:12px;
  padding:14px 18px;box-shadow:var(--sh-2);border:1px solid var(--line);min-width:170px;
}
.float-card strong{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.2;}
.float-card span{font-size:13px;color:var(--text-3);}

/* ---------- 指标条 ---------- */
.metrics{border-top:1px solid var(--line);margin-top:64px;padding:32px 0 8px;}
.metrics-inner{display:flex;flex-wrap:wrap;gap:32px;}
.metric{flex:1 1 180px;}
.metric b{display:block;font-size:28px;font-weight:800;color:var(--brand);letter-spacing:-.02em;}
.metric span{font-size:13px;color:var(--text-3);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-dark{
  background:var(--green);color:var(--on-dark);
  background-image:radial-gradient(rgba(246,241,233,.07) 1px,transparent 1px);
  background-size:22px 22px;
}
.section-dark p{color:rgba(246,241,233,.76);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.02em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand);}
.section-dark .eyebrow{color:var(--amber);}
.section-dark .eyebrow::before{background:var(--amber);}
.section-lead{font-size:16px;line-height:1.85;color:var(--text-2);margin-top:14px;}
.section-dark .section-lead{color:rgba(246,241,233,.76);}

/* ---------- 痛点 2×2 ---------- */
.pain-layout{display:flex;gap:48px;align-items:flex-start;}
.pain-left{flex:0 0 34%;max-width:34%;position:sticky;top:96px;}
.pain-grid{flex:1;display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.pain-card h3{margin-bottom:10px;}
.pain-card p{font-size:14.5px;line-height:1.75;}

/* ---------- 解决方案交错 ---------- */
.solution-row{display:flex;gap:56px;align-items:center;padding:36px 0;}
.solution-row + .solution-row{border-top:1px solid var(--line);}
.solution-row.reverse{flex-direction:row-reverse;}
.solution-text{flex:1;}
.solution-media{flex:0 0 44%;max-width:44%;}
.solution-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-2);box-shadow:var(--sh-2);}
.solution-num{
  display:block;font-size:32px;font-weight:800;color:var(--line);letter-spacing:-.02em;margin-bottom:6px;line-height:1;
}
.solution-text h3{margin-bottom:12px;}
.solution-text p{margin-bottom:14px;}
.check-list li{
  display:flex;gap:10px;font-size:14.5px;color:var(--text-2);padding:5px 0;
}
.check-list i{color:var(--brand);font-size:12px;margin-top:7px;}

/* ---------- 成果区 ---------- */
.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:44px;}
.result-cell{
  border:1px solid var(--line-dark);border-radius:var(--r-card);padding:24px 22px;
  background:rgba(246,241,233,.04);
}
.result-cell b{display:block;font-size:30px;font-weight:800;color:var(--amber);letter-spacing:-.02em;line-height:1.2;}
.result-cell span{font-size:13.5px;color:rgba(246,241,233,.72);}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{
  background:rgba(246,241,233,.06);border:1px solid var(--line-dark);
  border-radius:var(--r-card);padding:26px 24px;
}
.case-card h3{color:var(--on-dark);margin-bottom:10px;}
.case-card p{font-size:14.5px;line-height:1.75;}

/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-1);position:relative;
  transition:transform .18s ease,box-shadow .18s ease;
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.quote-card p{font-size:15.5px;line-height:1.85;color:var(--text);margin-bottom:18px;}
.quote-mark{font-size:26px;color:var(--brand);line-height:1;margin-bottom:10px;display:block;}
.quote-by{font-size:13px;color:var(--text-3);}

/* ---------- 卡片列表 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-cover{
  aspect-ratio:16/9;background:var(--bg-2);
}
.post-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.post-body .badge{align-self:flex-start;margin-bottom:12px;}
.post-title{
  font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--brand);}
.post-summary{
  font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px;
}
.post-foot i{color:var(--brand);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:52px 24px;text-align:center;background:#fff;
}
.empty-state i{font-size:26px;color:var(--text-3);margin-bottom:12px;display:block;}
.empty-state p{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;}
.entry-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand);}
.entry-card i{font-size:20px;color:var(--brand);margin-bottom:14px;display:block;}
.entry-card h3{font-size:17px;margin-bottom:8px;}
.entry-card p{font-size:14px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{border-top:1px solid var(--line);}
.accordion .accordion-item{border-bottom:1px solid var(--line);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 2px;font-size:16px;font-weight:600;color:var(--text);
  background:transparent;border:0;margin:0;
}
.accordion .accordion-title:hover{color:var(--brand);}
.accordion .accordion-title::before{display:none;}
.accordion .accordion-title::after{
  content:"\002B";font-family:var(--font);font-size:20px;line-height:1;color:var(--brand);
  transition:transform .18s ease;margin-left:auto;
}
.accordion .accordion-item.is-active .accordion-title::after{content:"\2212";}
.accordion .accordion-content{padding:0 2px 22px;font-size:15px;line-height:1.8;color:var(--text-2);border:0;background:transparent;}
.accordion .accordion-content p{font-size:15px;line-height:1.8;}

/* ---------- 底部 CTA ---------- */
.cta-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px;box-shadow:var(--sh-1);
}
.cta-inner{display:flex;gap:48px;align-items:flex-start;}
.cta-text{flex:1 1 46%;}
.cta-form{flex:1;display:grid;gap:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;height:44px;padding:0 14px;font-family:inherit;font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);outline:0;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,47,.16);}
.form-note{font-size:13px;color:var(--text-3);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:var(--on-dark);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1.6fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo-text{color:var(--on-dark);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,241,233,.72);margin-top:16px;max-width:28em;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--on-dark);margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px;}
.footer-links.single{grid-template-columns:1fr;}
.footer-links a{font-size:14px;color:rgba(246,241,233,.72);}
.footer-links a:hover{color:var(--amber);}
.footer-contact li{font-size:14px;color:rgba(246,241,233,.72);padding:4px 0;display:flex;gap:10px;}
.footer-contact i{color:var(--amber);font-size:13px;margin-top:7px;}
.footer-search{
  display:flex;align-items:center;gap:8px;margin-top:18px;height:42px;padding:0 14px;
  border:1px solid var(--line-dark);border-radius:var(--r-pill);background:rgba(246,241,233,.06);
}
.footer-search input{flex:1;border:0;outline:0;background:transparent;color:var(--on-dark);font-family:inherit;font-size:14px;}
.footer-search input::placeholder{color:rgba(246,241,233,.5);}
.footer-search button{border:0;background:transparent;color:var(--amber);cursor:pointer;font-size:14px;}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.footer-bottom p,.footer-bottom span{font-size:13px;color:rgba(246,241,233,.62);}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:center;color:rgba(246,241,233,.72);font-size:13px;
}
.footer-social a:hover{color:var(--green);background:var(--amber);border-color:var(--amber);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  :root{--space-section:72px;}
  .nav-main{gap:0;}
  .nav-link{padding:8px 10px;font-size:13.5px;}
  .command-search{min-width:180px;}
}
@media (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .nav-wrap{padding:0 24px;}
  .nav-main,.command-search,.icon-btn{display:none;}
  .menu-toggle{display:flex;}
  .hero{padding-top:56px;}
  .hero-inner{flex-direction:column;gap:36px;}
  .hero-copy,.hero-visual{flex:0 0 100%;max-width:100%;}
  .pain-layout{flex-direction:column;gap:32px;}
  .pain-left{flex:1;max-width:100%;position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .result-grid{grid-template-columns:repeat(2,1fr);}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .solution-row,.solution-row.reverse{flex-direction:column;gap:28px;}
  .solution-media,.solution-text{flex:0 0 100%;max-width:100%;}
  .cta-inner{flex-direction:column;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--space-section:56px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .nav-wrap{padding:0 20px;height:56px;}
  .logo-text{font-size:15px;}
  .hero-sub{font-size:16px;}
  .metrics-inner{gap:20px 32px;}
  .metric{flex:1 1 44%;}
  .pain-grid,.card-grid,.quote-grid,.case-grid,.entry-grid,.result-grid{grid-template-columns:1fr;}
  .cta-block{padding:28px 22px;}
  .quote-card,.pain-card{padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-links{grid-template-columns:repeat(2,1fr);}
  .float-card{right:8px;bottom:8px;}
}
@media (max-width:520px){
  h3{font-size:17px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:12px;}
  .trust-item{font-size:13px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --brand:#E8552F;
  --brand-dark:#C93F1D;
  --brand-soft:#FDEDE7;
  --deep:#10362E;
  --deep-2:#1B4A40;
  --amber:#F5B62C;
  --bg:#FAF6F0;
  --bg-2:#F1EAE0;
  --card:#FFFFFF;
  --text:#1B1A17;
  --text-2:#5C574F;
  --text-3:#8A8279;
  --inv:#F6F1E9;
  --line:#E4DACC;
  --line-dark:rgba(246,241,233,.16);
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,26,23,.05);
  --sh-2:0 10px 28px -14px rgba(27,26,23,.22);
  --t:180ms ease;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:14px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.grid-x{margin-left:-12px;margin-right:-12px}
.cell{padding-left:12px;padding-right:12px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ============ 命令栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,246,240,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(250,246,240,.99)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 14px -8px rgba(232,85,47,.9);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.logo:hover .logo-text{color:var(--brand)}
.nav-main{display:flex;align-items:center;gap:2px;flex:1 1 auto}
.nav-link{
  position:relative;padding:8px 12px;font-size:14px;font-weight:500;color:var(--text-2);
  border-radius:var(--r-pill);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);border-radius:2px;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.command-search{
  display:flex;align-items:center;gap:8px;height:40px;min-width:236px;
  padding:0 10px 0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color var(--t),box-shadow var(--t);
}
.command-search i{color:var(--text-3);font-size:13px}
.command-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;color:var(--text)}
.command-search input::placeholder{color:var(--text-3)}
.command-search kbd{
  font-size:11px;line-height:1;color:var(--text-3);background:var(--bg-2);
  border:1px solid var(--line);border-radius:6px;padding:4px 6px;font-family:var(--font);
}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,47,.18)}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:15px;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-1)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;color:var(--text);font-size:16px;
}
.nav-cta-mobile{display:none;margin-top:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);font-size:14px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;transition:all var(--t);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px -12px rgba(232,85,47,.95)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{background:var(--brand-dark);transform:translateY(0)}
.btn-outline{border-color:var(--deep);color:var(--deep);background:transparent}
.btn-outline:hover{background:var(--deep);color:var(--inv);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--text-2);background:#fff}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-lg{height:46px;padding:0 26px;font-size:15px}

/* ============ 面包屑 ============ */
.crumb-bar{padding:26px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-size:10px;color:var(--line)}
.breadcrumb span{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章区 ============ */
.article-shell{padding:28px 0 88px}
.article-inner{max-width:760px;margin:0 auto}
.article-header{padding-bottom:22px;border-bottom:1px solid var(--line)}
.article-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;margin-bottom:16px;
}
.article-header h1{font-size:clamp(28px,4.2vw,42px);line-height:1.28;font-weight:800;letter-spacing:-0.02em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:18px;font-size:13px;color:var(--text-3)}
.article-meta i{color:var(--amber);margin-right:6px}
.article-lead{margin-top:16px;font-size:15px;color:var(--text-2);line-height:1.8}
.article-body{padding:32px 0 8px}
.prose{font-size:16px;line-height:1.85;color:var(--text);word-break:break-word}
.prose > *:first-child{margin-top:0}
.prose h2{
  font-size:clamp(22px,2.7vw,28px);line-height:1.35;font-weight:700;
  margin:2em 0 .6em;padding-left:14px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:2px;background:var(--brand);
}
.prose h3{font-size:19px;line-height:1.45;font-weight:600;margin:1.7em 0 .5em}
.prose h4{font-size:17px;font-weight:600;margin:1.4em 0 .4em}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.25em;padding-left:4px}
.prose ul li,.prose ol li{position:relative;padding-left:22px;margin-bottom:.55em;color:var(--text-2)}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.prose ol{counter-reset:prose-ol}
.prose ol li{counter-increment:prose-ol}
.prose ol li::before{
  content:counter(prose-ol);position:absolute;left:0;top:.1em;width:18px;height:18px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--brand-dark)}
.prose strong{font-weight:600;color:var(--text)}
.prose blockquote{
  margin:0 0 1.4em;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--brand-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:0 0 1.2em;background:var(--bg-2)}
.prose figure{margin:0 0 1.4em}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.5em;font-size:14px;background:#fff;border-radius:var(--r-sm);overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--bg-2);font-weight:600}
.prose code{background:var(--bg-2);border-radius:6px;padding:2px 6px;font-size:14px}
.prose pre{background:var(--deep);color:var(--inv);padding:18px 20px;border-radius:12px;overflow:auto;margin:0 0 1.5em;font-size:14px;line-height:1.7}
.prose pre code{background:transparent;color:inherit;padding:0}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.article-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;color:var(--text-3);
}
.article-empty i{font-size:30px;color:var(--line);display:block;margin-bottom:14px}
.article-empty p{font-size:15px;margin-bottom:18px;color:var(--text-2)}

.article-foot{padding-top:26px;border-top:1px solid var(--line);margin-top:30px}
.foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg-2);color:var(--text-2);font-size:13px;
}
.tag:hover{background:var(--brand-soft);color:var(--brand-dark)}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;font-weight:500;
}
.share-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-1)}
.share-btn.is-copied{border-color:var(--deep);color:var(--deep);background:var(--bg-2)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.post-nav-link{
  display:flex;flex-direction:column;gap:6px;padding:16px 18px;border:1px solid var(--line);
  border-radius:var(--r-card);background:#fff;transition:all var(--t);
}
.post-nav-link:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.pn-label{font-size:12px;color:var(--text-3);letter-spacing:.04em}
.pn-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.5}
.post-nav-link:hover .pn-title{color:var(--brand)}
.post-nav-link.is-next{text-align:right}
.back-row{margin-top:26px;text-align:center}

/* ============ 相关推荐 ============ */
.section{padding:72px 0}
.section-alt{background:var(--bg-2)}
.section-head{max-width:680px;margin:0 auto 34px;text-align:center}
.section-head h2{font-size:clamp(23px,3vw,32px);line-height:1.3}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6C9B6}
.card-media{position:relative;background:var(--bg-2);aspect-ratio:16/9;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-media .badge{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px}
.card-foot .more{color:var(--brand);font-weight:600}
.card:hover .card-foot .more{color:var(--brand-dark)}

/* ============ CTA 深色区 ============ */
.cta-band{
  position:relative;background:var(--deep);color:var(--inv);padding:72px 0;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(246,241,233,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.cta-inner h2{color:var(--inv);font-size:clamp(23px,3vw,32px);line-height:1.3}
.cta-inner p{color:rgba(246,241,233,.76);margin:14px 0 0;font-size:15px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-band .btn-primary{background:var(--brand);color:#fff}
.cta-band .btn-primary:hover{background:var(--brand-dark)}
.cta-band .btn-outline{border-color:rgba(246,241,233,.45);color:var(--inv)}
.cta-band .btn-outline:hover{background:var(--inv);color:var(--deep);border-color:var(--inv)}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:var(--inv);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-mark{background:var(--brand)}
.footer-brand .logo-text{color:var(--inv)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,241,233,.72);margin:0;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--inv);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(246,241,233,.72)}
.footer-links a:hover{color:var(--amber)}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.footer-contact li{font-size:14px;color:rgba(246,241,233,.72);display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--amber);font-size:13px}
.footer-search{display:flex;align-items:center;gap:8px;background:rgba(246,241,233,.08);border:1px solid var(--line-dark);border-radius:var(--r-pill);padding:4px 4px 4px 16px}
.footer-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;color:var(--inv);outline:none;height:34px}
.footer-search input::placeholder{color:rgba(246,241,233,.5)}
.footer-search button{width:34px;height:34px;border-radius:var(--r-pill);background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px}
.footer-search button:hover{background:var(--brand-dark)}
.footer-search:focus-within{border-color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(246,241,233,.6)}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:34px;height:34px;border-radius:var(--r-pill);border:1px solid var(--line-dark);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(246,241,233,.72);font-size:13px;
}
.footer-social a:hover{color:var(--deep);background:var(--amber);border-color:var(--amber)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .command-search{min-width:200px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-main{
    position:fixed;top:0;right:0;bottom:0;width:min(82vw,340px);
    background:var(--bg);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:84px 22px 32px;transform:translateX(102%);
    transition:transform 260ms ease;box-shadow:var(--sh-2);z-index:70;overflow-y:auto;
  }
  .nav-main.is-open{transform:translateX(0)}
  .nav-link{padding:13px 14px;font-size:16px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:var(--brand-soft)}
  .command-search,.icon-btn{display:none}
  .nav-cta-mobile{display:inline-flex;width:100%}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  .header-inner{height:56px;gap:12px}
  .logo-text{font-size:15px}
  .logo-mark{width:30px;height:30px;border-radius:9px;font-size:15px}
  .header-actions .btn-primary{display:none}
  .section{padding:56px 0}
  .article-shell{padding:20px 0 56px}
  .crumb-bar{padding-top:18px}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav-link.is-next{text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:56px 0}
  .article-body{padding-top:24px}
}
@media (max-width:519px){
  .prose{font-size:15.5px}
  .foot-row{flex-direction:column;align-items:flex-start}
  .share-btn{width:100%;justify-content:center}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand:#E8552F;
  --brand-dark:#C93F1D;
  --brand-soft:#FDEDE7;
  --green:#10362E;
  --green-2:#1B4A40;
  --amber:#F5B62C;
  --bg:#FAF6F0;
  --bg-2:#F1EAE0;
  --card:#FFFFFF;
  --text:#1B1A17;
  --text-2:#5C574F;
  --text-3:#8A8279;
  --line:#E4DACC;
  --inverse:#F6F1E9;
  --line-inverse:rgba(246,241,233,.16);
  --r-lg:16px;
  --r-sm:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(27,26,23,.05);
  --sh-2:0 10px 28px -14px rgba(27,26,23,.22);
  --gutter:24px;
  --section-y:88px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;width:calc(100% - 24px)}
.grid-x>.cell{min-width:0}
.section{padding:var(--section-y) 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(0) scale(.99)}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand);box-shadow:var(--sh-2);transform:translateY(-2px);color:#fff}
.btn-primary:active{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green);box-shadow:none}
.btn-ghost:hover{background:var(--green);color:var(--inverse);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--text);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--brand-soft);color:var(--brand);
}
.badge-green{background:rgba(16,54,46,.08);color:var(--green)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,246,240,.94);
  -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:0 8px 24px -18px rgba(27,26,23,.45)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;line-height:1;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.logo:hover .logo-text{color:var(--brand)}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--r-sm);
  font-size:14px;font-weight:500;color:var(--text-2);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{position:relative;display:flex;align-items:center;width:230px}
.command-search>i{
  position:absolute;left:14px;font-size:13px;color:var(--text-3);pointer-events:none;
}
.command-search input{
  width:100%;height:40px;padding:0 62px 0 36px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(232,85,47,.18);
}
.command-search kbd{
  position:absolute;right:12px;font-family:var(--font);
  font-size:11px;line-height:1;color:var(--text-3);
  padding:4px 7px;border:1px solid var(--line);border-radius:6px;background:var(--bg-2);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:grid;place-items:center;color:var(--text-2);
  border:1px solid var(--line);background:#fff;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;
}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--bg);border-left:1px solid var(--line);
  padding:22px 20px 28px;z-index:120;
  transform:translateX(102%);transition:transform .26s ease;
  box-shadow:-16px 0 40px -26px rgba(27,26,23,.5);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;display:grid;place-items:center}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--text-2);border:1px solid transparent}
.drawer-nav a:hover,.drawer-nav a.is-active{background:#fff;border-color:var(--line);color:var(--brand)}
.drawer-search{position:relative;margin-bottom:16px}
.drawer-search input{
  width:100%;height:44px;padding:0 16px 0 40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;
}
.drawer-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:13px}

/* ---------- Hero ---------- */
.hero{padding:64px 0 0;background:var(--bg)}
.hero-copy h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.2;font-weight:800;
  letter-spacing:-.02em;margin-bottom:18px;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 24px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.hero-trust i{color:var(--brand);font-size:13px}
.hero-media{position:relative}
.hero-media img{
  width:100%;border-radius:var(--r-lg);box-shadow:var(--sh-2);
  background:var(--bg-2);aspect-ratio:4/3;object-fit:cover;
}
.hero-card{
  position:absolute;right:-6px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);
  box-shadow:var(--sh-2);padding:14px 18px;max-width:220px;
}
.hero-card strong{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.hero-card span{font-size:13px;color:var(--text-3)}
.hero-stats{
  margin-top:56px;padding:28px 0;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.hero-stats .cell{text-align:left}
.stat-num{font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;letter-spacing:-.01em}
.stat-label{font-size:13px;color:var(--text-3);margin-top:4px}

/* ---------- 筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  padding:8px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:all .18s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:var(--sh-1)}

/* ---------- 锚点目录 ---------- */
.anchor-nav{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:20px 18px;
}
.anchor-nav h3{font-size:14px;font-weight:600;color:var(--text-3);margin-bottom:12px;letter-spacing:.02em}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--text-2);border-left:2px solid transparent;
}
.anchor-nav a:hover{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand)}
.anchor-nav .anchor-cta{margin-top:16px;display:block;text-align:center}

/* ---------- 能力清单 ---------- */
.cap-list{display:flex;flex-direction:column;gap:20px}
.cap-card{
  display:flex;gap:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:20px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8CBB8}
.cap-card figure{flex:0 0 220px;margin:0}
.cap-card figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);background:var(--bg-2);
}
.cap-body{min-width:0;flex:1 1 auto}
.cap-body h3{font-size:19px;font-weight:600;line-height:1.45;margin:10px 0 8px}
.cap-card:hover .cap-body h3{color:var(--brand)}
.cap-body>p{font-size:14.5px;line-height:1.8;color:var(--text-2)}
.cap-points{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.cap-points li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.cap-points li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.cap-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.cap-more:hover{gap:10px}

/* ---------- 适用场景 ---------- */
.scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gutter)}
.scenario-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px 24px;border-left:3px solid var(--brand);
  transition:transform .18s ease,box-shadow .18s ease;
}
.scenario-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scenario-card i{font-size:20px;color:var(--brand);margin-bottom:14px;display:block}
.scenario-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.scenario-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gutter)}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;
}
.flow-step span{
  display:block;font-size:32px;font-weight:800;color:var(--line);
  line-height:1;margin-bottom:14px;letter-spacing:-.02em;
}
.flow-step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--text-2)}

/* ---------- 深色证据区 ---------- */
.section-dark{
  background:var(--green);color:var(--inverse);position:relative;
  background-image:radial-gradient(rgba(246,241,233,.06) 1px,transparent 1px);
  background-size:18px 18px;
}
.section-dark .section-head h2{color:var(--inverse)}
.section-dark .section-head p{color:rgba(246,241,233,.72)}
.dark-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gutter)}
.dark-cell{
  border:1px solid var(--line-inverse);border-radius:var(--r-lg);
  padding:24px 22px;background:rgba(246,241,233,.03);
}
.dark-cell strong{display:block;font-size:28px;font-weight:800;color:var(--amber);line-height:1.2}
.dark-cell span{display:block;font-size:13px;color:rgba(246,241,233,.72);margin-top:8px}
.dark-note{
  margin-top:32px;padding:22px 24px;border-radius:var(--r-lg);
  border:1px solid var(--line-inverse);background:rgba(246,241,233,.05);
  font-size:15px;color:rgba(246,241,233,.82);
}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:8px 26px;
}
.accordion{background:transparent;margin:0}
.accordion-item{background:transparent;border-bottom:1px solid var(--line)}
.accordion-item:last-child{border-bottom:0}
.accordion-title{
  position:relative;display:block;background:transparent;border:0;
  padding:20px 46px 20px 0;font-size:16px;font-weight:600;color:var(--text);
  line-height:1.6;
}
.accordion-title:hover{color:var(--brand)}
.accordion-title::before{display:none !important}
.faq-icon{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);color:var(--text-3);
  display:grid;place-items:center;font-size:12px;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.accordion-item.is-active .faq-icon{
  background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-50%) rotate(180deg);
}
.accordion-content{
  display:none;background:transparent;border:0;
  padding:0 46px 22px 0;font-size:15px;line-height:1.85;color:var(--text-2);
}
.accordion-item.is-active .accordion-content{display:block}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--section-y)}
.cta-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:44px 44px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.cta-card h2{font-size:clamp(23px,3vw,30px);line-height:1.3;font-weight:700;margin-bottom:14px}
.cta-card p{font-size:15px;color:var(--text-2)}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form label{font-size:13px;font-weight:600;color:var(--text-2)}
.cta-form input{
  height:46px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,47,.18)}
.cta-form input.is-error{border-color:var(--brand-dark)}
.form-hint{font-size:13px;color:var(--text-3)}
.form-hint.is-error{color:var(--brand-dark)}
.form-row{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green);color:var(--inverse);
  padding:64px 0 26px;
  background-image:radial-gradient(rgba(246,241,233,.06) 1px,transparent 1px);
  background-size:18px 18px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:var(--inverse)}
.footer-brand p{font-size:14px;color:rgba(246,241,233,.72);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--inverse);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-contact li{font-size:14px;color:rgba(246,241,233,.72)}
.footer-links a:hover{color:var(--amber)}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.footer-contact li{display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--amber);font-size:13px;width:16px}
.footer-search{position:relative;display:flex;max-width:300px}
.footer-search input{
  flex:1;height:44px;padding:0 52px 0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line-inverse);background:rgba(246,241,233,.06);
  color:var(--inverse);font-size:14px;
}
.footer-search input::placeholder{color:rgba(246,241,233,.5)}
.footer-search input:focus{outline:none;border-color:var(--amber)}
.footer-search button{
  position:absolute;right:6px;top:6px;width:32px;height:32px;border-radius:8px;
  background:var(--brand);color:#fff;display:grid;place-items:center;font-size:13px;
}
.footer-search button:hover{background:var(--brand-dark)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-inverse);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(246,241,233,.6)}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:34px;height:34px;border-radius:var(--r-sm);
  border:1px solid var(--line-inverse);display:grid;place-items:center;
  color:rgba(246,241,233,.72);font-size:13px;
}
.footer-social a:hover{color:var(--amber);border-color:var(--amber)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-container{padding-left:24px;padding-right:24px}
  .nav-link{padding:8px 9px;font-size:13.5px}
  .command-search{width:190px}
}
@media (max-width:1023px){
  :root{--section-y:64px}
  .nav-main{display:none}
  .header-actions .icon-btn{display:none}
  .header-actions .btn-sm{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .scenario-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dark-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-card{grid-template-columns:1fr;padding:34px 28px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:14px;margin-bottom:24px}
  .anchor-nav h3{width:100%;margin-bottom:6px}
  .anchor-nav a{padding:7px 14px;border-radius:var(--r-pill);background:var(--bg-2);border-left:0}
  .anchor-nav .anchor-cta{margin-top:0}
}
@media (max-width:767px){
  :root{--section-y:56px}
  body{font-size:15.5px}
  .grid-container{padding-left:20px;padding-right:20px}
  .hero{padding-top:40px}
  .hero-card{position:static;margin-top:16px;max-width:100%}
  .hero-stats{margin-top:36px;padding:20px 0}
  .hero-stats .cell{margin-bottom:18px}
  .cap-card{flex-direction:column;gap:16px}
  .cap-card figure{flex:1 1 auto}
  .scenario-grid,.flow-grid,.dark-grid{grid-template-columns:1fr}
  .faq-wrap{padding:4px 18px}
  .accordion-content{padding-right:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .form-row .btn{width:100%}
  .cta-card{padding:26px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand:#E8552F;
  --brand-dark:#C93F1D;
  --brand-soft:#FDEDE7;
  --green:#10362E;
  --green-2:#1B4A40;
  --amber:#F5B62C;
  --bg:#FAF6F0;
  --bg-alt:#F1EAE0;
  --card:#FFFFFF;
  --text:#1B1A17;
  --text-2:#5C574F;
  --text-3:#8A8279;
  --line:#E4DACC;
  --radius:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(27,26,23,.05);
  --shadow-2:0 10px 28px -14px rgba(27,26,23,.22);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,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(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid rgba(232,85,47,.6);outline-offset:2px;border-radius:8px}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px}
.row{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.cell{padding-left:12px;padding-right:12px;width:100%}

/* ---------- 命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,246,240,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-bar{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:0;
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:14px;font-weight:500;color:var(--text-2);
  border-radius:var(--radius-sm);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;transition:transform .18s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{position:relative;display:flex;align-items:center}
.command-search i{position:absolute;left:14px;font-size:13px;color:var(--text-3)}
.command-search input{
  width:224px;height:40px;padding:0 62px 0 36px;border:1px solid var(--line);border-radius:var(--pill);
  background:#fff;color:var(--text);font-size:14px;transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(232,85,47,.28)}
.command-search kbd{
  position:absolute;right:10px;font-family:var(--font);font-size:11px;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;background:var(--bg-alt);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--pill);border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--pill);font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{background:var(--brand-dark);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--green);border:1px solid var(--green)}
.btn-ghost:hover{background:var(--green);color:#F6F1E9;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover{background:var(--brand-soft)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.nav-toggle{display:none}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:296px;max-width:86vw;background:#fff;
  border-left:1px solid var(--line);box-shadow:var(--shadow-2);padding:20px;z-index:120;
  transform:translateX(100%);transition:transform .22s ease;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-link{display:block;padding:12px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line)}
.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:20px;width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(27,26,23,.36);opacity:0;visibility:hidden;transition:opacity .22s ease;z-index:110}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--green);color:#F6F1E9}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--pill);padding:5px 14px;margin-bottom:16px;
}
.eyebrow.on-dark{background:rgba(246,241,233,.12);color:var(--amber)}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:19px;line-height:1.45;font-weight:600}
.lead{font-size:17px;color:var(--text-2);margin-top:16px}
.section-dark .lead,.section-dark p{color:rgba(246,241,233,.78)}
p+p{margin-top:1.1em}
.section-title-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.title-mark{width:4px;height:26px;border-radius:2px;background:var(--brand);display:inline-block}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Hero ---------- */
.hero{padding:72px 0 40px;position:relative}
.hero .row{align-items:center}
.hero-copy{padding-right:24px}
.hero h1 span{color:var(--brand)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.hero-trust i{color:var(--brand);font-size:13px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);background:var(--bg-alt);box-shadow:var(--shadow-2)}
.hero-badge{
  position:absolute;right:-8px;bottom:-16px;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;box-shadow:var(--shadow-2);min-width:180px;
}
.hero-badge strong{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.hero-badge span{font-size:13px;color:var(--text-3)}
.metric-bar{border-top:1px solid var(--line);margin-top:56px;padding-top:28px}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.metric-grid .num{font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;letter-spacing:-.02em}
.metric-grid .lb{font-size:13px;color:var(--text-3);margin-top:4px}

/* ---------- 对比矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.matrix-col{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease;
}
.matrix-col:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.matrix-head{background:var(--green);color:#F6F1E9;padding:22px 22px 20px}
.matrix-head .tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--green);
  background:var(--amber);border-radius:var(--pill);padding:3px 10px;margin-bottom:12px;
}
.matrix-head h3{color:#F6F1E9;font-size:20px}
.matrix-head p{font-size:13px;line-height:1.7;color:rgba(246,241,233,.72);margin-top:8px}
.matrix-body{padding:8px 22px 22px;flex:1}
.matrix-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px solid var(--line);min-height:52px;
}
.matrix-row:last-child{border-bottom:0}
.mr-label{font-size:13px;color:var(--text-3);flex:0 0 76px}
.mr-value{font-size:14px;color:var(--text);text-align:right;line-height:1.6}
.matrix-col .btn{width:100%;margin-top:8px}
.matrix-col.is-featured{border-color:var(--brand);box-shadow:var(--shadow-2)}
.matrix-foot{padding:0 22px 22px}

/* ---------- 场景卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card-media{aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px;flex:1;display:flex;flex-direction:column}
.card-tag{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--pill);padding:3px 12px;margin-bottom:12px;
}
.card h3{font-size:18px;font-weight:600}
.card p{font-size:14px;line-height:1.75;color:var(--text-2);margin-top:10px}
.card-meta{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);display:flex;justify-content:space-between;align-items:center}
.card-meta i{color:var(--brand)}

/* ---------- 步骤流 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1)}
.step .no{font-size:32px;font-weight:800;color:var(--line);line-height:1;letter-spacing:-.02em}
.step h3{font-size:17px;margin-top:14px}
.step p{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.accordion{border-top:1px solid var(--line);background:transparent}
.accordion .accordion-item{border-bottom:1px solid var(--line);background:transparent}
.accordion .accordion-title{
  padding:20px 44px 20px 0;font-size:16px;font-weight:600;color:var(--text);position:relative;border:0;
  transition:color .18s ease;
}
.accordion .accordion-title:hover{color:var(--brand)}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand);transition:transform .18s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−"}
.accordion .accordion-title::after{display:none}
.accordion .accordion-content{padding:0 0 20px;border:0;background:transparent;border-top:0}
.accordion .accordion-content p{font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA / 表单 ---------- */
.cta-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-2);
  padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.cta-panel .lead{margin-top:12px}
.cta-form{display:flex;flex-direction:column;gap:14px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--text);font-size:14px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(232,85,47,.24)}
.form-note{font-size:13px;color:var(--text-3)}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--text-3);padding:22px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:#F6F1E9;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px}
.site-footer .logo-text{color:#F6F1E9}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,241,233,.72);margin-top:16px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#F6F1E9;margin-bottom:16px}
.footer-links{display:grid;grid-template-columns:1fr;gap:10px}
.footer-links a{font-size:14px;color:rgba(246,241,233,.72)}
.footer-links a:hover{color:var(--amber)}
.footer-contact{display:grid;gap:10px}
.footer-contact li{font-size:14px;color:rgba(246,241,233,.72);display:flex;align-items:center;gap:9px}
.footer-contact i{color:var(--amber);font-size:13px}
.footer-search{display:flex;margin-top:16px;max-width:300px;background:rgba(246,241,233,.08);border:1px solid rgba(246,241,233,.18);border-radius:var(--pill);overflow:hidden}
.footer-search input{
  flex:1;height:42px;padding:0 16px;border:0;background:transparent;color:#F6F1E9;font-size:14px;
}
.footer-search input::placeholder{color:rgba(246,241,233,.5)}
.footer-search input:focus{outline:none}
.footer-search button{width:48px;color:var(--amber);display:inline-flex;align-items:center;justify-content:center}
.footer-search button:hover{background:rgba(245,182,44,.14)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(246,241,233,.16);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(246,241,233,.6)}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:var(--pill);border:1px solid rgba(246,241,233,.2);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(246,241,233,.75);font-size:14px;
}
.footer-social a:hover{color:var(--green);background:var(--amber);border-color:var(--amber)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .command-search input{width:180px}
}
@media screen and (max-width:1023px){
  .nav-main{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .matrix{grid-template-columns:1fr;gap:20px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:30px}
  .hero-copy{padding-right:0}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  .nav-bar{height:56px}
  .logo-text{font-size:16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .hero{padding:44px 0 24px}
  .hero-visual{margin-top:32px}
  .hero-badge{right:12px;bottom:-14px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .metric-bar{margin-top:36px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-panel{padding:24px}
  .matrix-head{padding:20px}
  .matrix-body{padding:4px 18px 18px}
  .matrix-foot{padding:0 18px 18px}
  .mr-label{flex:0 0 68px}
}
@media screen and (max-width:520px){
  h1{font-size:28px}
  h2{font-size:22px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .nav-tools .btn-sm{display:none}
}

/* roulang page: category2 */
:root{
  --brand:#E8552F;
  --brand-press:#C93F1D;
  --brand-soft:#FDEDE7;
  --green:#10362E;
  --green-2:#1B4A40;
  --amber:#F5B62C;
  --bg:#FAF6F0;
  --bg-2:#F1EAE0;
  --card:#FFFFFF;
  --text:#1B1A17;
  --text-2:#5C574F;
  --text-3:#8A8279;
  --line:#E4DACC;
  --inv:#F6F1E9;
  --r-lg:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,26,23,.05);
  --sh-2:0 10px 28px -14px rgba(27,26,23,.22);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --sec:88px;
}

*,*::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(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:-.01em;}
p{color:var(--text-2);}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

.grid-container{
  max-width:1200px;
  padding-left:32px;
  padding-right:32px;
  margin-left:auto;
  margin-right:auto;
}
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}

.section{padding:var(--sec) 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--bg-2);}
.section-dark{background:var(--green);color:var(--inv);}
.section-dark p{color:rgba(246,241,233,.76);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:clamp(23px,3vw,32px);
  line-height:1.3;
  margin-bottom:14px;
  position:relative;
}
.section-head h2::before{
  content:"";
  display:block;
  width:36px;height:4px;
  border-radius:2px;
  background:var(--brand);
  margin-bottom:16px;
}
.section-head.center h2::before{margin-left:auto;margin-right:auto;}
.section-head p{font-size:16px;line-height:1.85;}
.section-dark .section-head h2{color:var(--inv);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-press);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);background:var(--brand-press);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green);}
.btn-ghost:hover{background:var(--green);color:var(--inv);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--text);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
}
.badge-amber{background:rgba(245,182,44,.18);color:#8A6100;}
.badge-green{background:rgba(16,54,46,.08);color:var(--green);}

/* ---------- 头部命令栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,246,240,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(27,26,23,.45);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:64px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  color:var(--text);
  flex:0 0 auto;
}
.logo-mark{
  width:28px;height:28px;
  border-radius:8px;
  background:var(--brand);
  color:#fff;
  font-size:15px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  line-height:1;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-sm);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta-mobile{display:none;}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 10px 0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(232,85,47,.28);
}
.command-search i{color:var(--text-3);font-size:13px;}
.command-search input{
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  font-family:inherit;
  width:140px;
  color:var(--text);
  margin:0;
  height:auto;
  box-shadow:none;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  font-family:var(--font);
  font-size:11px;
  color:var(--text-3);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  background:var(--bg);
  line-height:1.6;
}
.icon-btn{
  width:40px;height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  display:block;
  width:16px;height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{position:relative;}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(5px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-5px) rotate(-45deg);}

/* ---------- Hero（居中） ---------- */
.hero-c{
  padding:72px 0 56px;
  text-align:center;
  background:
    radial-gradient(circle at 12% 18%, rgba(232,85,47,.07), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(16,54,46,.06), transparent 40%),
    var(--bg);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13px;
  font-weight:600;
  box-shadow:var(--sh-1);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
}
.hero-c h1{
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.2;
  letter-spacing:-.02em;
  font-weight:800;
  margin:22px auto 18px;
  max-width:900px;
}
.hero-c .hero-sub{
  max-width:680px;
  margin:0 auto;
  font-size:17px;
  line-height:1.85;
}
.hero-cta{
  display:flex;
  justify-content:center;
  gap:14px;
  margin-top:30px;
  flex-wrap:wrap;
}
.trust-row{
  display:flex;
  justify-content:center;
  gap:34px;
  flex-wrap:wrap;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.trust-row li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
}
.trust-row i{color:var(--brand);font-size:13px;}

/* ---------- 分类标签条 ---------- */
.tagbar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:#fff;
}
.tagbar-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding-top:16px;
  padding-bottom:16px;
  overflow-x:auto;
  scrollbar-width:none;
}
.tagbar-inner::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  padding:7px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--bg);
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.chip:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.chip.is-active:hover{color:#fff;}

/* ---------- 横幅 ---------- */
.banner{
  position:relative;
  height:240px;
  border-radius:var(--r-lg);
  overflow:hidden;
  background-color:var(--bg-2);
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
  display:flex;
  align-items:flex-end;
}
.banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(16,54,46,.86) 8%,rgba(16,54,46,.42) 58%,rgba(16,54,46,.12) 100%);
}
.banner-text{
  position:relative;
  z-index:2;
  padding:32px 36px;
  color:var(--inv);
  max-width:620px;
}
.banner-text h2{
  font-size:clamp(20px,2.4vw,27px);
  color:#fff;
  margin-bottom:8px;
}
.banner-text p{color:rgba(246,241,233,.82);font-size:15px;}

/* ---------- 卡片网格 ---------- */
.card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8CBB8;}
.card:hover .card-title{color:var(--brand);}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  background:var(--bg-2);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{
  padding:22px 24px 20px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.card-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}
.card-title{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:10px;
  transition:color .18s ease;
}
.card-desc{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:18px;
}
.card-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.card-foot .more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
}
.card-foot .more i{transition:transform .18s ease;}
.card:hover .card-foot .more i{transform:translateX(3px);}

/* ---------- 深色保障区 ---------- */
.section-dark{
  position:relative;
  overflow:hidden;
}
.section-dark::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(246,241,233,.10) 1px, transparent 1px);
  background-size:18px 18px;
  opacity:.5;
  pointer-events:none;
}
.section-dark .grid-container{position:relative;z-index:2;}
.stat-grid{margin-top:8px;}
.stat{
  padding:26px 24px;
  border:1px solid rgba(246,241,233,.16);
  border-radius:var(--r-lg);
  height:100%;
  background:rgba(246,241,233,.03);
  transition:border-color .18s ease,transform .18s ease;
}
.stat:hover{border-color:rgba(245,182,44,.45);transform:translateY(-2px);}
.stat .num{
  font-size:28px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:-.02em;
  line-height:1.3;
}
.section-dark .stat .num{color:var(--amber);}
.stat .label{
  font-size:13px;
  color:rgba(246,241,233,.7);
  margin-top:6px;
  line-height:1.7;
}
.stat h3{
  font-size:17px;
  color:var(--inv);
  margin-bottom:8px;
}
.section-dark .stat p{font-size:14px;line-height:1.75;margin-top:6px;}

/* ---------- 步骤 ---------- */
.steps{margin-top:8px;}
.step{
  position:relative;
  height:100%;
  padding:26px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step .idx{
  font-size:26px;
  font-weight:800;
  color:var(--line);
  line-height:1;
  margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 26px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color .18s ease,background-color .18s ease;
}
.faq-q:hover{color:var(--brand);background:#FFFCF8;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:20px;height:20px;
  border-radius:50%;
  border:1px solid var(--line);
  transition:transform .18s ease,border-color .18s ease,background-color .18s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:9px;height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:translate(-50%,-50%);
  transition:transform .18s ease,opacity .18s ease;
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--brand);background:var(--brand-soft);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 26px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ---------- CTA 表单 ---------- */
.cta-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:44px;
}
.cta-wrap h2{font-size:clamp(22px,2.6vw,29px);margin-bottom:12px;}
.cta-wrap .lead{font-size:15px;line-height:1.8;margin-bottom:26px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  margin-bottom:7px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:44px;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--bg);
  font-family:inherit;
  font-size:15px;
  color:var(--text);
  margin:0;
  box-shadow:none;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.75;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(232,85,47,.24);
}
.field.is-error input{border-color:var(--brand-press);}
.field .err{display:none;font-size:13px;color:var(--brand-press);margin-top:6px;}
.field.is-error .err{display:block;}
.form-note{
  margin-top:14px;
  font-size:14px;
  color:var(--text-3);
  min-height:24px;
}
.form-note.is-ok{color:var(--green);font-weight:600;}
.cta-side{
  background:var(--bg);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  height:100%;
}
.cta-side h3{font-size:17px;margin-bottom:14px;}
.cta-side ul li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  padding:9px 0;
  border-bottom:1px solid var(--line);
}
.cta-side ul li:last-child{border-bottom:0;}
.cta-side i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green);
  color:var(--inv);
  padding:64px 0 28px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(246,241,233,.10) 1px, transparent 1px);
  background-size:20px 20px;
  opacity:.35;
  pointer-events:none;
}
.site-footer .grid-container{position:relative;z-index:2;}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1.15fr;
  gap:44px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(246,241,233,.16);
}
.footer-brand .logo{color:var(--inv);font-size:18px;}
.footer-brand .logo-mark{background:var(--brand);}
.footer-brand p{
  color:rgba(246,241,233,.72);
  font-size:14px;
  line-height:1.85;
  margin-top:16px;
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--inv);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(246,241,233,.72);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-links a:hover{color:var(--amber);padding-left:3px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:rgba(246,241,233,.72);
  line-height:1.7;
}
.footer-contact i{color:var(--amber);margin-top:5px;font-size:13px;}
.footer-search{
  display:flex;
  align-items:center;
  margin-top:18px;
  background:rgba(246,241,233,.08);
  border:1px solid rgba(246,241,233,.2);
  border-radius:var(--r-pill);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.footer-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 2px rgba(245,182,44,.22);}
.footer-search input{
  flex:1 1 auto;
  border:0;
  background:transparent;
  color:var(--inv);
  font-family:inherit;
  font-size:14px;
  padding:11px 16px;
  margin:0;
  height:auto;
  box-shadow:none;
}
.footer-search input::placeholder{color:rgba(246,241,233,.5);}
.footer-search input:focus{outline:none;}
.footer-search button{
  border:0;
  background:var(--brand);
  color:#fff;
  width:46px;
  align-self:stretch;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background-color .18s ease;
}
.footer-search button:hover{background:var(--brand-press);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:22px;
  flex-wrap:wrap;
}
.footer-bottom p{color:rgba(246,241,233,.6);font-size:13px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;
  border-radius:var(--r-pill);
  border:1px solid rgba(246,241,233,.2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:rgba(246,241,233,.75);
  font-size:14px;
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.footer-social a:hover{color:var(--amber);border-color:var(--amber);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:76px;}
  .command-search input{width:110px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  .header-inner{gap:16px;}
  .nav-main{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(320px,86vw);
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:88px 24px 32px;
    transform:translateX(102%);
    transition:transform .24s ease;
    box-shadow:-20px 0 48px -28px rgba(27,26,23,.5);
    z-index:90;
    overflow-y:auto;
  }
  body.nav-open .nav-main{transform:translateX(0);}
  .nav-link{padding:13px 14px;font-size:15px;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link:hover{background:var(--brand-soft);}
  .nav-link.is-active{background:var(--brand-soft);}
  .nav-cta-mobile{display:inline-flex;margin-top:20px;}
  .command-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .banner{height:220px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-padding-x{margin-left:-8px;margin-right:-8px;}
  .grid-padding-x>.cell{padding-left:8px;padding-right:8px;}
  .hero-c{padding:48px 0 40px;}
  .hero-c .hero-sub{font-size:15.5px;}
  .trust-row{gap:16px;justify-content:flex-start;}
  .trust-row li{font-size:13.5px;width:100%;}
  .banner{height:200px;border-radius:var(--r-lg);}
  .banner-text{padding:22px 22px;}
  .banner-text p{font-size:14px;}
  .section-head{margin-bottom:30px;}
  .cta-wrap{padding:26px 22px;}
  .faq-q{padding:17px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .icon-btn{display:none;}
}
@media (max-width:479px){
  .logo-text{font-size:15px;}
  .hero-cta .btn{width:100%;}
  .card-body{padding:18px 18px 16px;}
}

/* roulang page: category4 */
:root{
  --brand:#E8552F;
  --brand-dark:#C93F1D;
  --brand-soft:#FDEDE7;
  --deep:#10362E;
  --deep-2:#1B4A40;
  --amber:#F5B62C;
  --bg:#FAF6F0;
  --bg-2:#F1EAE0;
  --card:#FFFFFF;
  --text:#1B1A17;
  --text-2:#5C574F;
  --text-3:#8A8279;
  --line:#E4DACC;
  --invert:#F6F1E9;
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(27,26,23,.05);
  --shadow-2:0 10px 28px -14px rgba(27,26,23,.22);
  --ease:180ms ease;
  --bar-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.35}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(23px,3vw,32px);line-height:1.3}
h3{font-size:19px;line-height:1.45;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.grid-container{
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:20px;
  padding-right:20px;
}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;row-gap:24px}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
@media screen and (min-width:40em){
  .grid-container{padding-left:32px;padding-right:32px}
  .grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px}
  .grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
}
.section{padding:56px 0}
@media screen and (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-deep{
  background:var(--deep);
  color:var(--invert);
  position:relative;
  overflow:hidden;
}
.section-deep::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(246,241,233,.10) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.5;
  pointer-events:none;
}
.section-deep > .grid-container{position:relative;z-index:1}
.section-deep h2,.section-deep h3{color:var(--invert)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head .eyebrow::before{
  content:"";
  width:4px;height:14px;border-radius:2px;background:var(--brand);display:inline-block;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.section-deep .section-head p{color:rgba(246,241,233,.76)}

/* ============ 命令栏导航 ============ */
.command-bar{
  position:sticky;
  top:0;
  z-index:80;
  height:var(--bar-h);
  background:rgba(250,246,240,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.command-bar.is-scrolled{box-shadow:0 2px 2px rgba(27,26,23,.04),0 12px 26px -20px rgba(27,26,23,.45)}
.bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:var(--bar-h);
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--brand);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
  box-shadow:0 6px 14px -8px rgba(232,85,47,.9);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{
  font-style:normal;
  font-size:12px;
  font-weight:600;
  color:var(--text-3);
  margin-left:4px;
}
.nav-main{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--radius-sm);
  transition:color var(--ease),background var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.bar-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:40px;
  padding:0 12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.command-search i{color:var(--text-3);font-size:13px}
.command-search input{
  border:0;outline:0;background:transparent;
  width:170px;
  font-size:14px;
  color:var(--text);
  font-family:inherit;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,47,.22)}
.command-search kbd{
  font-family:inherit;
  font-size:11px;
  color:var(--text-3);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  background:var(--bg);
  white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--card);
  color:var(--text-2);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--card);
  color:var(--text);
  cursor:pointer;
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(232,85,47,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(201,63,29,.95)}
.btn-primary:active{background:var(--brand-dark);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--deep);border-color:var(--deep)}
.btn-ghost:hover{background:var(--deep);color:var(--invert);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand);border-color:#fff}
.btn-light:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;font-weight:600;
}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--text-2)}
.badge-deep{background:rgba(245,182,44,.16);color:var(--amber)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--card);
  font-size:14px;color:var(--text-2);
  transition:all var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
/* ============ Hero ============ */
.hero{
  padding:48px 0 0;
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg) 62%,var(--bg-2) 100%);
}
@media screen and (min-width:1024px){.hero{padding:72px 0 0}}
.hero-copy .badge{margin-bottom:18px}
.hero-copy h1{margin-bottom:18px}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:14px;color:var(--text-2);
}
.hero-trust li{display:inline-flex;align-items:center;gap:8px}
.hero-trust i{color:var(--brand);font-size:13px}
.hero-visual{position:relative;margin-top:36px}
@media screen and (min-width:1024px){.hero-visual{margin-top:0}}
.hero-media{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--bg-2);
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.float-card{
  position:absolute;
  right:-8px;bottom:-18px;
  width:206px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 16px;
  box-shadow:var(--shadow-2);
}
.float-card .num{font-size:24px;font-weight:800;color:var(--brand);line-height:1.2}
.float-card .lbl{font-size:12px;color:var(--text-3);margin-top:2px}
.float-card .bar{height:6px;border-radius:999px;background:var(--brand-soft);margin-top:10px;overflow:hidden}
.float-card .bar span{display:block;height:100%;width:78%;background:var(--brand);border-radius:999px}
/* ============ 指标条 ============ */
.metrics{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg);
}
.metrics-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:32px 0;
}
.metric .num{font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;letter-spacing:-.02em}
.metric .lbl{font-size:13px;color:var(--text-3);margin-top:4px}
/* ============ 卡片 ============ */
.card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d8cbb9}
.card-media{aspect-ratio:16/9;background:var(--bg-2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;font-weight:600;transition:color var(--ease)}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14px;line-height:1.7;color:var(--text-2);margin:0}
.card-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
  padding-top:12px;border-top:1px solid var(--line);
}
.card-foot .arrow{color:var(--brand);font-size:13px;transition:transform var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(4px)}
.card-flat{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:26px 24px;
  height:100%;
  transition:transform var(--ease),box-shadow var(--ease);
}
.card-flat:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card-flat h3{margin-bottom:10px;font-size:18px}
.card-flat p{font-size:14.5px;color:var(--text-2);margin:0}
.card-accent{border-left:3px solid var(--brand)}
.icon-round{
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:16px;
}
.card-flat .step-no{
  font-size:26px;font-weight:800;color:var(--line);letter-spacing:-.02em;display:block;margin-bottom:6px;
}
/* 横向资源卡 */
.res-card{display:flex;flex-direction:row;gap:0}
.res-card .card-media{width:40%;flex:0 0 40%;aspect-ratio:auto;min-height:170px}
.res-card .card-body{flex:1}
@media screen and (max-width:639px){
  .res-card{flex-direction:column}
  .res-card .card-media{width:100%;flex:none;aspect-ratio:16/9;min-height:0}
}
/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;top:12px;bottom:12px;
  width:2px;background:var(--line);
}
.tl-item{position:relative;padding-left:68px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:0;
  width:40px;height:40px;border-radius:999px;
  background:var(--card);
  border:1px solid var(--line);
  color:var(--brand);
  font-size:14px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
}
.tl-item h3{margin-bottom:8px;font-size:18px}
.tl-item p{color:var(--text-2);font-size:15px;margin:0}
.tl-item .tl-tag{margin-top:10px;display:inline-flex}
/* ============ 场景列表 ============ */
.scene-list{display:grid;gap:18px}
.scene-item{
  display:flex;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.scene-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.scene-item i{
  flex:0 0 auto;
  width:38px;height:38px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.scene-item h3{font-size:16.5px;margin-bottom:6px}
.scene-item p{font-size:14.5px;color:var(--text-2);margin:0}
/* ============ FAQ ============ */
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  background:transparent;border:0;cursor:pointer;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--ease),background var(--ease);
}
.faq-q:hover{color:var(--brand);background:#fffdfa}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:999px;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  position:relative;color:var(--brand);
  transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:transform var(--ease),opacity var(--ease)}
.faq-item.is-open .faq-icon{background:var(--brand-soft);border-color:var(--brand);transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--text-2);max-width:820px}
/* ============ CTA + 表单 ============ */
.cta-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-2);
  padding:32px 26px;
}
@media screen and (min-width:1024px){.cta-card{padding:44px 40px}}
.cta-copy h2{margin-bottom:14px}
.cta-copy p{color:var(--text-2);font-size:15.5px}
.cta-points{margin-top:22px;display:grid;gap:12px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2)}
.cta-points i{color:var(--brand);margin-top:5px;font-size:13px}
.form-grid{display:grid;gap:16px}
.form-row{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;
  height:44px;
  padding:0 14px;
  font-family:inherit;
  font-size:15px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  outline:0;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,85,47,.16)}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.form-hint{font-size:13px;color:var(--text-3);margin:0}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
@media screen and (max-width:639px){
  .form-row{grid-template-columns:1fr}
}
/* ============ 面包屑 ============ */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);
  padding:18px 0 0;
}
.crumb a{color:var(--text-2);transition:color var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--line)}
.crumb .now{color:var(--brand);font-weight:600}
/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);
  color:var(--invert);
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  gap:36px;
  grid-template-columns:1.4fr 1fr 1.2fr;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:var(--invert)}
.footer-brand .logo-text em{color:rgba(246,241,233,.6)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,241,233,.72);max-width:340px;margin:0}
.footer-col h4{font-size:14px;font-weight:600;color:var(--invert);margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(246,241,233,.72);transition:color var(--ease)}
.footer-links a:hover{color:var(--amber)}
.footer-contact{display:grid;gap:10px}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:rgba(246,241,233,.72);
}
.footer-contact i{margin-top:5px;color:var(--amber);font-size:13px}
.footer-search{
  display:flex;align-items:center;gap:0;
  margin-top:16px;
  background:rgba(246,241,233,.08);
  border:1px solid rgba(246,241,233,.16);
  border-radius:var(--radius-pill);
  overflow:hidden;
  max-width:320px;
}
.footer-search input{
  flex:1;height:42px;padding:0 16px;
  background:transparent;border:0;outline:0;
  color:var(--invert);font-family:inherit;font-size:14px;
}
.footer-search input::placeholder{color:rgba(246,241,233,.5)}
.footer-search button{
  width:46px;height:42px;
  background:var(--brand);border:0;color:#fff;cursor:pointer;
  transition:background var(--ease);
}
.footer-search button:hover{background:var(--brand-dark)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid rgba(246,241,233,.16);
}
.footer-bottom p{font-size:13px;color:rgba(246,241,233,.6);margin:0}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(246,241,233,.2);
  color:rgba(246,241,233,.72);
  font-size:14px;
  transition:all var(--ease);
}
.footer-social a:hover{color:var(--deep);background:var(--amber);border-color:var(--amber);transform:translateY(-2px)}
/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  :root{--bar-h:56px}
  .commands-search{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-main{
    position:fixed;
    top:var(--bar-h);
    right:0;
    width:min(300px,84vw);
    height:calc(100vh - var(--bar-h));
    background:var(--card);
    border-left:1px solid var(--line);
    box-shadow:var(--shadow-2);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:24px 20px;
    transform:translateX(105%);
    transition:transform .24s ease;
    z-index:90;
    overflow-y:auto;
  }
  body.nav-open .nav-main{transform:translateX(0)}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:var(--brand-soft)}
  .metrics-inner{grid-template-columns:1fr 1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media screen and (max-width:767px){
  .section{padding:56px 0}
  .hero-sub{font-size:16px}
  .float-card{position:static;width:100%;margin-top:14px}
  .hero-media{aspect-ratio:16/10}
  .scene-item{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .form-actions .btn{width:100%}
}
@media screen and (max-width:479px){
  .metrics-inner{grid-template-columns:1fr}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 20px}
  .cta-card{padding:24px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}