/* roulang page: index */
:root{
  --brand:#22605C;
  --brand-deep:#17433F;
  --accent:#DE7B3E;
  --surface:#F6F4EF;
  --card:#FFFFFF;
  --ink:#1B2224;
  --ink-2:#5A6467;
  --line:#E3DFD6;
  --tint:#EAF1EF;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(27,34,36,.06);
  --shadow-2:0 14px 30px -20px rgba(27,34,36,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--surface);
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  height:68px;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  height:100%;max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:18px;
}
.nav-left{display:flex;align-items:center;gap:26px;flex:1 1 56%;min-width:0;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand{display:flex;flex-direction:column;line-height:1.15;gap:2px;flex:0 0 auto;}
.brand-mark{font-size:15px;font-weight:600;color:var(--ink);letter-spacing:.02em;}
.brand-sub{font-size:11px;font-weight:400;letter-spacing:.08em;color:var(--ink-2);}
.nav-links{display:flex;align-items:center;gap:20px;}
.nav-link{
  position:relative;
  display:inline-block;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  padding:22px 0;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600;}
.nav-search{
  display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  height:36px;padding:0 14px;width:180px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.12);}
.nav-search input{border:0;outline:none;background:transparent;width:100%;font-size:13.5px;}
.nav-search input::placeholder{color:#9AA3A5;}
.nav-toggle{
  display:none;width:38px;height:36px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  padding:12px 22px;
  border:1px solid transparent;
  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(--shadow-1);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 10px 20px -14px rgba(23,67,63,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--tint);border-color:rgba(34,96,92,.28);}
.btn-sm{font-size:13.5px;padding:8px 16px;height:36px;}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .18s ease;
}
.btn-link:hover{border-bottom-color:var(--brand);}
.btn-link .arrow{transition:transform .18s ease;}
.btn-link:hover .arrow{transform:translateX(3px);}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--tint);color:var(--brand);
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;
}
.badge-accent{background:rgba(222,123,62,.12);color:var(--accent);}
.eyebrow{
  font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--brand);
  display:inline-block;margin-bottom:14px;
}

/* ===== Hero ===== */
.hero{padding:92px 0 76px;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;}
.hero h1{
  font-size:40px;line-height:1.3;font-weight:700;
  margin-bottom:18px;color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:34em;margin-bottom:28px;}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:32px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:0;align-items:center;
  font-size:13px;color:var(--ink-2);
}
.hero-trust span{display:inline-flex;align-items:center;}
.hero-trust span + span::before{
  content:"";display:inline-block;width:1px;height:12px;background:var(--line);margin:0 14px;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.hero-float{
  position:absolute;right:-8px;bottom:-22px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-2);
  max-width:250px;
}
.hero-float .num{font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;}
.hero-float .txt{font-size:12.5px;color:var(--ink-2);line-height:1.6;}

/* ===== 主张条 ===== */
.claims{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;}
.claims-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.claim{display:flex;gap:12px;align-items:flex-start;}
.claim-dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:11px;
}
.claim strong{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:2px;}
.claim p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.7;}

/* ===== 通用板块 ===== */
.section{padding:88px 0;}
.section-head{margin-bottom:40px;max-width:640px;}
.section-head h2{font-size:28px;line-height:1.4;margin-bottom:12px;}
.section-head p{font-size:15.5px;color:var(--ink-2);margin:0;}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ===== 理念/故事 ===== */
.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.story-text h2{font-size:28px;line-height:1.4;margin-bottom:20px;}
.story-text p{font-size:16px;color:var(--ink-2);line-height:1.85;}
.story-points{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px;}
.story-points li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-img);
  padding:14px 16px;box-shadow:var(--shadow-1);
}
.story-points .idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--accent);color:var(--accent);
  font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.story-points strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink);}
.story-points span.desc{font-size:13.5px;color:var(--ink-2);line-height:1.7;}
.story-media{position:relative;}
.story-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.story-media::before{
  content:"";position:absolute;inset:auto auto -18px -18px;width:120px;height:120px;
  border-radius:16px;background:var(--tint);z-index:-1;
}

/* ===== 精选内容（非对称网格） ===== */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);border-color:rgba(34,96,92,.25);box-shadow:var(--shadow-2);}
.card:focus-within{border-color:rgba(34,96,92,.4);}
.card-media{overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-desc{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-2);
}
.card-foot .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card--wide{grid-column:span 7;}
.card--wide .card-media img{aspect-ratio:16/8.4;}
.card--wide .card-title{font-size:21px;}
.card--wide .card-body{padding:24px 26px 26px;}
.stack-col{grid-column:span 5;display:grid;gap:24px;}
.stack-col .card-media img{aspect-ratio:16/6.6;}

/* ===== 流程步骤 ===== */
.steps-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 20px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(34,96,92,.25);}
.step-num{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--accent);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;line-height:1.5;}
.step p{font-size:13.5px;color:var(--ink-2);line-height:1.75;margin:0;}
.step::after{
  content:"";position:absolute;top:40px;right:-24px;width:24px;height:0;
  border-top:1px dashed var(--line);
}
.step:last-child::after{display:none;}

/* ===== 最新信息 CMS ===== */
.news-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;display:flex;flex-direction:column;gap:10px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-3px);border-color:rgba(34,96,92,.25);box-shadow:var(--shadow-2);}
.post-card .badge{align-self:flex-start;}
.post-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-title a:hover{color:var(--brand);}
.post-summary{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--ink-2);
}
.post-foot .go{color:var(--brand);font-weight:600;}
.empty-state{
  grid-column:1/-1;
  background:var(--tint);border:1px dashed rgba(34,96,92,.35);border-radius:var(--radius-card);
  padding:52px 24px;text-align:center;
}
.empty-state .ico{
  width:44px;height:44px;margin:0 auto 14px;border-radius:12px;
  border:1px solid rgba(34,96,92,.3);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:18px;
}
.empty-state p{font-size:14px;color:var(--ink-2);margin:0 0 16px;}

/* ===== 数据背书 ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
}
.stat .num{font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;margin-bottom:6px;}
.stat .num small{font-size:15px;font-weight:600;margin-left:2px;}
.stat .label{font-size:13px;color:var(--ink-2);line-height:1.7;}
.cred-strip{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;
}
.cred-strip .pill{
  font-size:12.5px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;
}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .2s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-item summary .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq-item summary .plus::after{left:10px;top:0;width:2px;height:22px;transition:opacity .2s ease;}
.faq-item[open] summary .plus{transform:rotate(90deg);}
.faq-item[open] summary .plus::after{opacity:0;}
.faq-answer{font-size:15px;line-height:1.8;color:var(--ink-2);padding:0 0 22px;max-width:52em;}

/* ===== 订阅 CTA ===== */
.cta-band{padding:0 0 88px;}
.cta-box{
  background:var(--tint);border:1px solid rgba(34,96,92,.16);border-radius:20px;
  padding:44px 48px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-box h2{font-size:26px;line-height:1.45;margin-bottom:12px;}
.cta-box p{font-size:14.5px;color:var(--ink-2);margin:0;}
.subscribe-form{display:flex;gap:12px;}
.subscribe-form input{
  flex:1;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;padding:0 16px;font-size:14.5px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.subscribe-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.12);}
.subscribe-form button{height:44px;padding:0 22px;}
.form-note{font-size:12.5px;color:var(--ink-2);margin:10px 0 0;}
.form-success{
  display:none;margin-top:14px;
  background:#fff;border:1px solid rgba(34,96,92,.28);border-radius:var(--radius-btn);
  padding:10px 14px;font-size:13.5px;color:var(--brand);
}
.form-success.show{display:block;}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-deep);color:#D9E3E1;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:rgba(217,227,225,.72);}
.footer-brand p{font-size:13px;line-height:1.9;color:rgba(217,227,225,.78);margin:16px 0 0;max-width:24em;}
.footer-col h4{font-size:13.5px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-col a,.footer-col li{font-size:13px;line-height:1.9;color:rgba(217,227,225,.78);transition:color .18s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(217,227,225,.62);
}

/* ===== 移动端抽屉 ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,34,36,.42);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:340px;
  background:var(--surface);z-index:90;
  transform:translateX(100%);transition:transform .24s ease;
  display:flex;flex-direction:column;padding:20px 22px 28px;
  box-shadow:-18px 0 40px -24px rgba(27,34,36,.5);
  overflow-y:auto;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:34px;height:34px;border:1px solid var(--line);border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;color:var(--ink-2);
}
.drawer-search{display:flex;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:999px;height:40px;padding:0 16px;margin-bottom:20px;}
.drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:14px;}
.drawer-nav{display:grid;gap:2px;}
.drawer-nav a{
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:12px 4px;border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:22px;width:100%;}
.drawer-note{font-size:12px;color:var(--ink-2);margin-top:16px;line-height:1.7;}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-left{flex:1 1 auto;}
  .hero{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .hero-visual img{aspect-ratio:16/10;}
  .hero-float{position:static;margin-top:16px;max-width:none;box-shadow:var(--shadow-1);}
  .story-grid{grid-template-columns:1fr;gap:32px;}
  .feature-grid{grid-template-columns:1fr;}
  .card--wide,.stack-col{grid-column:auto;}
  .stack-col{grid-template-columns:1fr 1fr;}
  .steps-wrap{grid-template-columns:1fr 1fr;}
  .step::after{display:none;}
  .post-grid{grid-template-columns:1fr 1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .cta-box{grid-template-columns:1fr;padding:34px 28px;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .cta-band{padding-bottom:64px;}
}
@media (max-width:767px){
  .container,.nav-wrap{padding:0 20px;}
  .hero h1{font-size:28px;line-height:1.35;}
  .hero-lead{font-size:16px;}
  .claims-grid{grid-template-columns:1fr;gap:18px;}
  .section-head h2,.story-text h2{font-size:23px;}
  .section-head.split{flex-direction:column;align-items:flex-start;gap:14px;}
  .stack-col{grid-template-columns:1fr;}
  .steps-wrap{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form button{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .section{padding:52px 0;}
  .cta-band{padding-bottom:52px;}
  .cta-box{padding:28px 22px;}
  .btn{font-size:14.5px;padding:11px 18px;}
  .hero-actions .btn-link{font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#22605C;
  --brand-deep:#17433F;
  --accent:#DE7B3E;
  --surface:#F6F4EF;
  --card:#FFFFFF;
  --ink:#1B2224;
  --ink-2:#5A6467;
  --line:#E3DFD6;
  --tint:#EAF1EF;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(27,34,36,.06);
  --shadow-2:0 14px 30px -20px rgba(27,34,36,.28);
  --space-sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.article-shell{max-width:1200px;}
.mark-brand{color:var(--brand);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  flex-direction:column;
  justify-content:center;
  line-height:1.15;
  flex-shrink:0;
}
.brand-mark{
  font-size:15px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--brand);
}
.brand-sub{
  font-size:11px;
  font-weight:400;
  letter-spacing:.08em;
  color:var(--ink-2);
  margin-top:2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:8px;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  padding:22px 0;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:14px;
  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);}
.header-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.search-box{
  display:flex;
  align-items:center;
  gap:6px;
  width:180px;
  height:36px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(34,96,92,.12);
}
.search-box svg{flex-shrink:0;color:var(--ink-2);}
.search-box input{
  border:0;
  outline:0;
  background:transparent;
  width:100%;
  font-size:13px;
  color:var(--ink);
  font-family:inherit;
}
.search-box input::placeholder{color:#98A0A1;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:12px 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{background:var(--tint);border-color:var(--brand);color:var(--brand-deep);}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
  transition:color .18s ease;
}
.btn-link::after{content:"→";font-size:14px;transition:transform .18s ease;}
.btn-link:hover{color:var(--brand-deep);}
.btn-link:hover::after{transform:translateX(3px);}
.nav-toggle{
  display:none;
  width:38px;height:38px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  color:var(--ink);
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(27,34,36,.42);
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;
  width:86%;max-width:340px;height:100%;
  background:var(--surface);
  z-index:90;
  transform:translateX(100%);
  transition:transform .24s ease;
  display:flex;flex-direction:column;
  padding:20px 22px 28px;
  overflow-y:auto;
  border-left:1px solid var(--line);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--ink);
}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  padding:13px 4px;
  font-size:15px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-links a:hover{color:var(--brand);}
.drawer-actions{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.drawer-actions .btn{width:100%;}

/* ---------- 文章头部 ---------- */
.article-head{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--surface) 100%);
  border-bottom:1px solid var(--line);
  padding:36px 0 44px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-2);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#B9B4A8;}
.breadcrumb .current{color:var(--ink);font-weight:500;}
.cat-badge{
  display:inline-flex;align-items:center;
  padding:5px 13px;
  border-radius:999px;
  background:var(--tint);
  color:var(--brand);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.04em;
  transition:color .18s ease;
}
.cat-badge:hover{color:var(--accent);}
.article-title{
  margin:16px 0 18px;
  font-size:40px;
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.005em;
  max-width:920px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13.5px;color:var(--ink-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C8C2B4;}
.share-row{
  margin-left:auto;display:flex;align-items:center;gap:8px;
}
.share-btn{
  width:32px;height:32px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.share-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--tint);}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 var(--space-sec);}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 260px;
  gap:56px;
  justify-content:center;
  align-items:start;
}
.article-content-col{min-width:0;}
.article-cover{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  margin-bottom:32px;
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.article-cover:hover img{transform:scale(1.02);}
.article-body{
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink-2);
  word-break:break-word;
}
.article-body p{margin:0 0 1.05em;}
.article-body h2{
  position:relative;
  margin:2.2em 0 .8em;
  padding-left:16px;
  font-size:24px;
  line-height:1.4;
  font-weight:700;
  color:var(--ink);
  scroll-margin-top:92px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.34em;
  width:4px;height:18px;
  border-radius:2px;
  background:var(--brand);
}
.article-body h3{
  margin:1.8em 0 .7em;
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
  scroll-margin-top:92px;
}
.article-body h4{
  margin:1.5em 0 .6em;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .18s ease;
}
.article-body a:hover{color:var(--accent);}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.05em;padding-left:1.2em;}
.article-body ul li{list-style:disc;margin:.35em 0;}
.article-body ol li{list-style:decimal;margin:.35em 0;}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--tint);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--ink);
  font-size:15.5px;
  line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  margin:1.6em auto;
  max-width:100%;
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  text-align:center;
  font-size:12.5px;
  color:var(--ink-2);
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
  white-space:nowrap;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
}
.article-body th{background:var(--tint);color:var(--ink);font-weight:600;}
.article-body hr{
  border:0;border-top:1px solid var(--line);margin:2em 0;
}
.article-body code{
  background:var(--tint);
  padding:2px 6px;
  border-radius:6px;
  font-size:14px;
  color:var(--brand-deep);
}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--tint);
  border:1px dashed #BFD3CF;
  border-radius:var(--radius-card);
  padding:56px 28px;
  text-align:center;
}
.empty-state svg{margin:0 auto 16px;color:var(--brand);opacity:.72;}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}

/* ---------- 右侧栏 ---------- */
.article-aside{
  position:sticky;
  top:92px;
  display:flex;
  flex-direction:column;
  gap:22px;
}
.aside-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 20px 22px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.aside-card:hover{border-color:rgba(34,96,92,.25);box-shadow:var(--shadow-2);}
.aside-title{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand);
  margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.aside-title::before{
  content:"";width:14px;height:2px;border-radius:2px;background:var(--accent);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;
  font-size:13.5px;
  line-height:1.6;
  color:var(--ink-2);
  padding:6px 10px;
  border-left:2px solid transparent;
  border-radius:0 6px 6px 0;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.toc-list a:hover{color:var(--brand);background:var(--tint);border-left-color:var(--brand);}
.toc-list a.is-sub{padding-left:22px;font-size:13px;}
.aside-list{display:flex;flex-direction:column;gap:14px;}
.aside-list a{
  display:block;
  font-size:14px;
  line-height:1.65;
  color:var(--ink);
  transition:color .18s ease;
}
.aside-list a:hover{color:var(--brand);}
.aside-list .aside-date{display:block;font-size:12.5px;color:var(--ink-2);margin-top:4px;}
.aside-cta{
  background:var(--brand-deep);
  border-radius:var(--radius-card);
  padding:24px 20px;
  color:#fff;
}
.aside-cta h4{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.aside-cta p{font-size:13px;line-height:1.75;color:rgba(255,255,255,.76);margin-bottom:16px;}
.aside-cta .btn{width:100%;font-size:14px;padding:11px 16px;}

/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin-top:56px;
}
.post-nav-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 22px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.post-nav-card:hover{
  border-color:rgba(34,96,92,.25);
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
}
.post-nav-card .label{font-size:12px;letter-spacing:.08em;color:var(--ink-2);font-weight:600;}
.post-nav-card .title{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55;}
.post-nav-card.next{text-align:right;align-items:flex-end;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:0 0 var(--space-sec);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:30px;
}
.section-head h2{
  font-size:28px;line-height:1.4;font-weight:700;color:var(--ink);
}
.section-head p{
  font-size:14px;color:var(--ink-2);margin-top:8px;max-width:560px;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{
  border-color:rgba(34,96,92,.25);
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
}
.post-card .thumb{
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.post-card .thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .2s ease;
}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card .cat{
  align-self:flex-start;
  font-size:11.5px;font-weight:600;
  color:var(--brand);
  background:var(--tint);
  padding:4px 11px;
  border-radius:999px;
  transition:color .18s ease;
}
.post-card:hover .cat{color:var(--accent);}
.post-card h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .desc{
  font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{
  margin-top:auto;padding-top:10px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--ink-2);
}
.back-row{margin-top:44px;display:flex;justify-content:center;}

/* ---------- 订阅 CTA ---------- */
.cta-band{
  background:var(--tint);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:48px;
  align-items:center;
}
.cta-inner h2{font-size:28px;line-height:1.4;font-weight:700;color:var(--ink);margin-bottom:12px;}
.cta-inner p{font-size:15px;line-height:1.85;color:var(--ink-2);max-width:520px;}
.subscribe-form{display:flex;gap:12px;}
.subscribe-form input{
  flex:1;
  height:44px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  font-size:14.5px;
  color:var(--ink);
  font-family:inherit;
  outline:0;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.subscribe-form input::placeholder{color:#9AA2A3;}
.subscribe-form input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(34,96,92,.12);
}
.form-note{font-size:12.5px;color:var(--ink-2);margin-top:12px;}
.form-success{
  display:none;
  margin-top:14px;
  padding:11px 16px;
  background:#fff;
  border:1px solid #BFD3CF;
  border-radius:10px;
  font-size:13.5px;
  color:var(--brand-deep);
}
.form-success.is-visible{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.78);
  padding:64px 0 26px;
  font-size:13px;
  line-height:1.9;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:16px;max-width:340px;color:rgba(255,255,255,.66);}
.footer-col h4{
  font-size:13px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a,.footer-col li{color:rgba(255,255,255,.7);font-size:13px;transition:color .18s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:22px;color:rgba(255,255,255,.55);font-size:12.5px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links{gap:16px;}
  .nav-link{font-size:14px;}
  .search-box{width:150px;}
}
@media (max-width:1024px){
  .nav-links,.search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-layout{grid-template-columns:minmax(0,760px);gap:0;}
  .article-aside{position:static;margin-top:44px;flex-direction:row;flex-wrap:wrap;gap:20px;}
  .aside-card{flex:1 1 300px;}
  .article-title{font-size:32px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:768px){
  :root{--space-sec:64px;}
  .container{padding:0 24px;}
  .article-head{padding:26px 0 34px;}
  .article-title{font-size:28px;line-height:1.35;}
  .article-main{padding:40px 0 var(--space-sec);}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  .section-head h2{font-size:24px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.next{text-align:left;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:48px 0;}
  .article-aside{flex-direction:column;}
  .share-row{margin-left:0;width:100%;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .header-tools .btn{display:none;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form input{height:46px;}
  .subscribe-form .btn{width:100%;padding:13px 18px;}
  .article-title{font-size:24px;}
  .article-body{font-size:16px;}
  .article-body table{font-size:14px;}
  .cta-inner h2{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
    --brand:#22605C;
    --brand-deep:#17433F;
    --accent:#DE7B3E;
    --surface:#F6F4EF;
    --card:#FFFFFF;
    --ink:#1B2224;
    --ink-2:#5A6467;
    --line:#E3DFD6;
    --tint:#EAF1EF;
    --radius-card:16px;
    --radius-img:12px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(27,34,36,.06);
    --shadow-2:0 14px 30px -20px rgba(27,34,36,.28);
    --maxw:1200px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body.site-body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    color:var(--ink);
    background:var(--surface);
    -webkit-font-smoothing:antialiased;
  }
  body.site-body img{max-width:100%;display:block;}
  a{color:var(--brand);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
  a:hover{color:var(--brand-deep);}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.4;letter-spacing:.01em;}
  p{margin:0 0 1em;}
  p:last-child{margin-bottom:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;}
  .section{padding:72px 0;}
  .section-tight{padding:52px 0;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,239,.92);
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;gap:22px;height:68px;}
  .brand{display:flex;flex-direction:column;justify-content:center;line-height:1.2;flex:0 0 auto;color:var(--ink);}
  .brand:hover{color:var(--brand-deep);}
  .brand-mark{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);}
  .brand-sub{font-size:11px;font-weight:400;letter-spacing:.08em;color:var(--ink-2);margin-top:2px;}
  .nav-links{display:flex;align-items:center;gap:2px;flex:1 1 auto;min-width:0;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 10px;
    font-size:14.5px;
    font-weight:500;
    color:var(--ink-2);
    border-radius:8px;
    white-space:nowrap;
    transition:color .18s ease,background-color .18s ease;
  }
  .nav-link:hover{color:var(--brand);background:var(--tint);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;
    background:var(--brand);border-radius:2px;
  }
  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
  .search-form{position:relative;}
  .search-input{
    width:180px;height:36px;padding:0 14px;
    font-size:13.5px;color:var(--ink);
    background:var(--card);
    border:1px solid var(--line);
    border-radius:999px;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .search-input::placeholder{color:#9AA3A5;}
  .search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.12);}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:40px;height:36px;border:1px solid var(--line);border-radius:9px;
    background:var(--card);color:var(--ink);cursor:pointer;
  }
  .nav-toggle:hover{border-color:rgba(34,96,92,.4);color:var(--brand);}

  /* buttons */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    border:1px solid transparent;cursor:pointer;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
  .btn-ghost:hover{background:var(--tint);border-color:rgba(34,96,92,.35);color:var(--brand-deep);}
  .btn-sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:9px;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:14.5px;font-weight:600;color:var(--brand);
  }
  .link-arrow:hover{color:var(--brand-deep);}
  .link-arrow::after{content:"→";font-size:14px;transition:transform .18s ease;}
  .link-arrow:hover::after{transform:translateX(3px);}

  /* badge */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    font-size:11.5px;font-weight:600;letter-spacing:.06em;
    background:var(--tint);color:var(--brand);
    transition:color .18s ease,background-color .18s ease;
  }
  .badge:hover{color:var(--accent);}
  .eyebrow{
    display:inline-block;font-size:11px;font-weight:600;letter-spacing:.12em;
    color:var(--brand);text-transform:uppercase;
  }

  /* breadcrumb */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);}
  .crumb a{color:var(--ink-2);}
  .crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
  .crumb .sep{color:#B9B2A6;}
  .crumb .current{color:var(--ink);font-weight:600;}

  /* ---------- hero ---------- */
  .cat-hero{padding:36px 0 8px;}
  .cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
  .cat-hero h1{font-size:40px;line-height:1.3;font-weight:700;color:var(--ink);margin:14px 0 16px;}
  .cat-hero h1 span{color:var(--brand);}
  .hero-lead{font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:36em;}
  .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;}
  .hero-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font-size:13px;color:var(--ink-2);}
  .hero-meta span{position:relative;padding-left:14px;}
  .hero-meta span::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:2px;height:12px;background:var(--line);border-radius:2px;}
  .hero-figure{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--tint);}
  .hero-figure img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
  .hero-figure:hover img{transform:scale(1.02);}
  .hero-float{
    position:absolute;right:16px;bottom:16px;
    background:var(--card);border:1px solid var(--line);border-radius:12px;
    padding:10px 14px;box-shadow:var(--shadow-1);font-size:13px;color:var(--ink-2);
    display:flex;align-items:center;gap:10px;
  }
  .hero-float strong{font-size:18px;font-weight:700;color:var(--brand);line-height:1;}

  /* ---------- anchor nav ---------- */
  .anchor-bar{
    position:sticky;top:68px;z-index:40;
    background:rgba(246,244,239,.94);
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
    padding:12px 0;
  }
  .anchor-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
  .anchor-scroll::-webkit-scrollbar{display:none;}
  .anchor-pill{
    flex:0 0 auto;
    display:inline-flex;align-items:center;
    height:34px;padding:0 16px;border-radius:999px;
    font-size:13.5px;font-weight:500;
    color:var(--ink-2);background:var(--card);border:1px solid var(--line);
    transition:all .18s ease;
  }
  .anchor-pill:hover{color:var(--brand);border-color:rgba(34,96,92,.35);background:var(--tint);}
  .anchor-pill.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

  /* ---------- layout ---------- */
  .guide-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:44px;align-items:start;}

  .guide-aside{position:sticky;top:132px;}
  .aside-label{font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--ink-2);margin-bottom:12px;text-transform:uppercase;}
  .aside-nav li + li{margin-top:2px;}
  .aside-nav a{
    display:block;padding:9px 12px;border-left:2px solid var(--line);
    font-size:14px;color:var(--ink-2);border-radius:0 8px 8px 0;
    transition:all .18s ease;
  }
  .aside-nav a:hover{color:var(--brand);background:var(--tint);border-left-color:var(--brand);}
  .aside-nav a.is-on{color:var(--brand);font-weight:600;border-left-color:var(--brand);background:var(--tint);}
  .aside-card{
    margin-top:24px;padding:18px;border-radius:var(--radius-card);
    background:var(--tint);border:1px solid rgba(34,96,92,.14);
  }
  .aside-card h4{font-size:14.5px;font-weight:600;color:var(--brand-deep);margin-bottom:6px;}
  .aside-card p{font-size:13px;line-height:1.7;color:var(--ink-2);margin-bottom:14px;}
  .aside-card .btn{width:100%;}

  /* ---------- list items ---------- */
  .list-head{margin-bottom:8px;}
  .list-head h2{font-size:28px;line-height:1.4;color:var(--ink);}
  .list-head p{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:44em;}

  .guide-item{
    display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;
    padding:28px 0;
    border-bottom:1px solid var(--line);
    scroll-margin-top:130px;
  }
  .guide-item:first-of-type{border-top:1px solid var(--line);}
  .guide-thumb{
    border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);
    background:var(--tint);
  }
  .guide-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease;}
  .guide-item:hover .guide-thumb img{transform:scale(1.03);}
  .guide-body{min-width:0;}
  .guide-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:28px;height:28px;border-radius:50%;
    border:1px solid rgba(222,123,62,.55);color:var(--accent);
    font-size:12.5px;font-weight:600;margin-bottom:10px;
  }
  .guide-body h3{font-size:20px;line-height:1.5;color:var(--ink);margin-bottom:8px;}
  .guide-body p{font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:14px;}
  .guide-points{display:flex;flex-wrap:wrap;gap:8px;}
  .guide-points li{
    font-size:12.5px;font-weight:600;color:var(--brand);
    background:var(--tint);border-radius:999px;padding:4px 12px;
    transition:color .18s ease;
  }
  .guide-points li:hover{color:var(--accent);}

  /* ---------- prepare ---------- */
  .prepare-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:start;}
  .prepare-grid h2{font-size:28px;line-height:1.4;margin:12px 0 14px;}
  .prepare-grid .lead{font-size:15.5px;color:var(--ink-2);line-height:1.85;}
  .check-list{display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;}
  .check-item{background:var(--card);padding:20px 22px;display:grid;grid-template-columns:32px minmax(0,1fr);gap:14px;align-items:start;}
  .check-item .dot{
    width:26px;height:26px;border-radius:50%;background:var(--tint);color:var(--brand);
    display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:2px;
  }
  .check-item h4{font-size:15.5px;font-weight:600;color:var(--ink);margin-bottom:4px;}
  .check-item p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;}

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px;}
  .step{position:relative;padding-top:6px;}
  .step-ring{
    width:38px;height:38px;border-radius:50%;
    border:1px solid rgba(222,123,62,.6);color:var(--accent);
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:700;background:var(--surface);position:relative;z-index:2;
  }
  .step::before{
    content:"";position:absolute;left:38px;right:-22px;top:24px;
    border-top:1px dashed var(--line);
  }
  .step:last-child::before{display:none;}
  .step h4{font-size:16px;font-weight:600;margin:14px 0 6px;color:var(--ink);}
  .step p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;}

  /* ---------- record ---------- */
  .record-band{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;
    box-shadow:var(--shadow-1);
  }
  .record-band h3{font-size:20px;line-height:1.5;margin-bottom:10px;}
  .record-band p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
  .record-tags{display:flex;flex-wrap:wrap;gap:10px;}
  .record-tags span{
    font-size:13px;color:var(--brand-deep);background:var(--tint);
    border:1px solid rgba(34,96,92,.14);border-radius:999px;padding:7px 14px;font-weight:600;
  }

  /* ---------- faq ---------- */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-wrap h2{font-size:28px;line-height:1.4;margin-bottom:8px;}
  .faq-wrap .sub{font-size:15px;color:var(--ink-2);margin-bottom:26px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-of-type{border-top:1px solid var(--line);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
    transition:color .18s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand);}
  .faq-item summary .plus{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line);color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:16px;font-weight:400;line-height:1;
    transition:transform .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  }
  .faq-item[open] summary{color:var(--brand-deep);}
  .faq-item[open] summary .plus{transform:rotate(45deg);background:var(--tint);border-color:rgba(34,96,92,.3);}
  .faq-answer{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:46em;}

  /* ---------- cta ---------- */
  .cta-band{
    background:var(--tint);
    border-top:1px solid rgba(34,96,92,.12);
    border-bottom:1px solid rgba(34,96,92,.12);
  }
  .cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;}
  .cta-inner h2{font-size:28px;line-height:1.4;margin-bottom:12px;color:var(--brand-deep);}
  .cta-inner p{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:32em;}
  .sub-form{display:flex;gap:12px;}
  .sub-input{
    flex:1 1 auto;height:44px;padding:0 16px;font-size:14.5px;color:var(--ink);
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-btn);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .sub-input::placeholder{color:#9AA3A5;}
  .sub-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.12);}
  .form-note{font-size:12.5px;color:var(--ink-2);margin-top:12px;}
  .form-done{
    display:none;margin-top:14px;padding:12px 16px;border-radius:10px;
    background:#fff;border:1px solid rgba(34,96,92,.2);
    font-size:13.5px;color:var(--brand-deep);
  }
  .form-done.is-show{display:block;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand-deep);color:#CFDCD9;padding:56px 0 26px;font-size:13px;line-height:1.9;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
  .footer-brand .brand-mark{color:#fff;font-size:15px;}
  .footer-brand .brand-sub{color:#9FB8B4;}
  .footer-brand p{margin-top:14px;color:#A9C0BC;max-width:30em;font-size:13px;line-height:1.9;}
  .footer-col h4{font-size:13.5px;font-weight:600;color:#fff;margin-bottom:12px;letter-spacing:.04em;}
  .footer-col ul li{margin-bottom:7px;color:#A9C0BC;}
  .footer-col a{color:#A9C0BC;}
  .footer-col a:hover{color:var(--accent);}
  .footer-bottom{
    margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:12.5px;color:#8FAAA6;
  }

  /* ---------- drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(23,67,63,.35);
    opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:70;
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;z-index:80;
    background:var(--card);border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform .24s ease;
    padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;}
  .drawer-close{
    width:36px;height:36px;border-radius:9px;border:1px solid var(--line);
    background:var(--card);color:var(--ink);cursor:pointer;font-size:18px;line-height:1;
  }
  .drawer-close:hover{color:var(--brand);border-color:rgba(34,96,92,.4);}
  .drawer-nav{display:flex;flex-direction:column;gap:2px;}
  .drawer-nav a{padding:11px 10px;border-radius:9px;font-size:15px;color:var(--ink);font-weight:500;}
  .drawer-nav a:hover{background:var(--tint);color:var(--brand);}
  .drawer-nav a.is-active{background:var(--tint);color:var(--brand);font-weight:600;}
  .drawer .btn{width:100%;}
  .drawer .search-input{width:100%;height:42px;border-radius:10px;}

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

  /* ---------- responsive ---------- */
  @media (max-width:1279px){
    .nav-link{padding:8px 7px;font-size:14px;}
    .search-input{width:150px;}
  }
  @media (max-width:1023px){
    .nav-links,.search-form{display:none;}
    .nav-toggle{display:flex;}
    .section{padding:56px 0;}
    .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
    .cat-hero h1{font-size:32px;}
    .hero-figure img{aspect-ratio:16/10;}
    .guide-layout{grid-template-columns:1fr;gap:28px;}
    .guide-aside{position:static;top:auto;}
    .aside-nav{display:flex;flex-wrap:wrap;gap:8px;}
    .aside-nav li{margin:0;}
    .aside-nav a{border-left:none;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13.5px;background:var(--card);}
    .aside-nav a.is-on{background:var(--brand);color:#fff;border-color:var(--brand);}
    .aside-card{margin-top:18px;}
    .prepare-grid{grid-template-columns:1fr;gap:26px;}
    .steps{grid-template-columns:repeat(2,1fr);gap:26px;}
    .step::before{display:none;}
    .record-band{grid-template-columns:1fr;gap:22px;padding:26px;}
    .cta-inner{grid-template-columns:1fr;gap:24px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:767px){
    .container{padding:0 20px;}
    .section{padding:48px 0;}
    .cat-hero{padding:24px 0 4px;}
    .cat-hero h1{font-size:28px;line-height:1.35;}
    .hero-lead{font-size:15.5px;}
    .hero-actions .btn{flex:1 1 auto;}
    .hero-meta{gap:12px;font-size:12.5px;}
    .anchor-bar{top:64px;}
    .guide-item{grid-template-columns:1fr;gap:16px;padding:24px 0;scroll-margin-top:120px;}
    .guide-thumb img{aspect-ratio:16/9;}
    .steps{grid-template-columns:1fr;gap:20px;}
    .list-head h2,.prepare-grid h2,.faq-wrap h2,.cta-inner h2{font-size:23px;}
    .sub-form{flex-direction:column;}
    .sub-form .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;gap:6px;}
    .hero-float{right:10px;bottom:10px;padding:8px 12px;font-size:12px;}
  }
  @media (max-width:519px){
    .cat-hero h1{font-size:26px;}
    .guide-body h3{font-size:18px;}
    .header-inner{height:64px;}
  }

/* roulang page: category2 */
:root{
  --brand:#22605C;
  --brand-deep:#17433F;
  --accent:#DE7B3E;
  --surface:#F6F4EF;
  --card:#FFFFFF;
  --ink:#1B2224;
  --ink-2:#5A6467;
  --line:#E3DFD6;
  --tint:#EAF1EF;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(27,34,36,.06);
  --shadow-2:0 14px 30px -20px rgba(27,34,36,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:1024px){.container{padding:0 24px}}
@media (max-width:640px){.container{padding:0 20px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:68px;
}
.brand{display:flex;flex-direction:column;line-height:1.2;flex:0 0 auto}
.brand-mark{font-size:15px;font-weight:600;color:var(--brand);letter-spacing:.02em}
.brand-sub{font-size:11px;font-weight:400;color:var(--ink-2);letter-spacing:.08em;margin-top:2px}

.nav-links{display:flex;align-items:center;gap:18px}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;transition:color .18s;
}
.nav-link:hover{color:var(--brand)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--brand);border-radius:2px;
}

.header-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.search-box{position:relative}
.search-box input{
  width:180px;height:36px;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:0 16px;font-size:13.5px;color:var(--ink);
  transition:border-color .18s,box-shadow .18s;
}
.search-box input::placeholder{color:#9aa3a2}
.search-box input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(34,96,92,.12)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;
  gap:5px;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle:hover{border-color:var(--brand)}

@media (max-width:1023px){
  .nav-links{display:none}
  .header-tools{display:none}
  .nav-toggle{display:flex}
}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,34,36,.44);z-index:70;
  opacity:0;transition:opacity .22s ease;
}
.drawer-mask.is-visible{opacity:1}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;z-index:80;
  background:var(--surface);padding:22px;display:flex;flex-direction:column;
  gap:20px;overflow-y:auto;transform:translateX(100%);
  transition:transform .22s ease;box-shadow:-20px 0 50px -32px rgba(27,34,36,.6);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-size:20px;line-height:1;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  padding:13px 2px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line);
  transition:color .18s;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer .search-box input{width:100%;height:44px}
.drawer-foot{display:flex;flex-direction:column;gap:14px;margin-top:auto}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  padding:12px 22px;transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(23,67,63,.9)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--tint);border-color:#c9d8d4}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:8px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--brand);
}
.link-arrow::after{content:"→";transition:transform .18s}
.link-arrow:hover::after{transform:translateX(3px)}

.tag{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
  background:var(--tint);color:var(--brand);font-size:11.5px;font-weight:600;
  letter-spacing:.02em;transition:color .18s;
}
.tag:hover{color:var(--accent)}

.eyebrow{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;
}

.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);flex-wrap:wrap}
.crumbs a{color:var(--ink-2);transition:color .18s}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{color:#b6b8b2}
.crumbs span.current{color:var(--ink);font-weight:600}

/* ============ 页面 Hero ============ */
.page-hero{padding:44px 0 64px}
.hero-split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
  margin-top:26px;
}
.hero-copy .eyebrow{margin-bottom:14px}
.hero-copy h1{
  font-size:40px;line-height:1.3;font-weight:700;letter-spacing:.01em;
  color:var(--ink);margin-bottom:18px;
}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:32em}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:28px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:0 18px;margin-top:28px;
  font-size:13px;color:var(--ink-2);
}
.hero-facts li{position:relative;padding-left:14px}
.hero-facts li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:12px;background:var(--line);
}
.hero-facts li:first-child{padding-left:0}
.hero-facts li:first-child::before{display:none}

.hero-visual{position:relative}
.hero-visual .shot{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--tint);
}
.float-card{
  position:absolute;right:-14px;bottom:-22px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-2);max-width:230px;
}
.float-card strong{display:block;font-size:22px;font-weight:700;color:var(--brand);line-height:1.3}
.float-card span{font-size:12.5px;color:var(--ink-2);line-height:1.6}

@media (max-width:1023px){
  .hero-split{grid-template-columns:1fr;gap:34px}
  .hero-copy h1{font-size:32px}
  .float-card{right:12px;bottom:-18px}
}
@media (max-width:640px){
  .page-hero{padding:30px 0 44px}
  .hero-copy h1{font-size:28px;line-height:1.35}
  .hero-visual .shot{aspect-ratio:16/10}
  .float-card{position:static;margin-top:16px;max-width:none}
}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section + .section{border-top:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{font-size:28px;line-height:1.4;font-weight:700;letter-spacing:.01em}
.section-head .eyebrow{display:block;margin-bottom:10px}
.section-desc{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:34em}
@media (max-width:1024px){.section{padding:64px 0}}
@media (max-width:640px){
  .section{padding:52px 0}
  .section-head{gap:16px;margin-bottom:28px}
  .section-head h2{font-size:23px}
}

/* ============ 筛选条 ============ */
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-2);
  transition:background .18s,color .18s,border-color .18s;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.chip.is-on:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff}

/* ============ 卡片网格 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:1024px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.scene-grid{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.card:hover{
  transform:translateY(-3px);
  border-color:rgba(34,96,92,.35);
  box-shadow:var(--shadow-2);
}
.card-media{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--tint);
}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease;
}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .tag{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);
  box-shadow:var(--shadow-1);
}
.card-body{padding:20px 20px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.card-text{font-size:14px;line-height:1.75;color:var(--ink-2)}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-2);
}
.card-foot .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-foot .go::after{content:"→";transition:transform .18s}
.card:hover .card-foot .go::after{transform:translateX(3px)}
.card.is-hidden{display:none}

/* ============ 组合走查 ============ */
.combo{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;
}
.combo-intro h2{font-size:28px;line-height:1.4;font-weight:700;margin-bottom:18px}
.combo-intro p{font-size:15.5px;line-height:1.85;color:var(--ink-2);margin-bottom:14px}
.combo-list{border-top:1px solid var(--line)}
.step-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.step-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:999px;border:1px solid var(--accent);
  color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;background:#fff;
}
.step-item h3{font-size:16px;font-weight:600;margin-bottom:6px}
.step-item p{font-size:14px;line-height:1.75;color:var(--ink-2)}
@media (max-width:1023px){.combo{grid-template-columns:1fr;gap:32px}}

/* ============ 数据条 ============ */
.stat-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 32px;box-shadow:var(--shadow-1);
}
.stat-num{font-size:28px;font-weight:700;color:var(--brand);line-height:1.25}
.stat-label{font-size:13px;color:var(--ink-2);line-height:1.7;margin-top:4px}
@media (max-width:1023px){.stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 20px;padding:28px 24px}}
@media (max-width:520px){.stat-row{grid-template-columns:1fr;padding:24px 20px}}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:56px;align-items:start}
.faq-intro h2{font-size:28px;line-height:1.4;font-weight:700;margin-bottom:16px}
.faq-intro p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:18px;font-size:16px;font-weight:600;
  color:var(--ink);transition:color .18s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand);
  line-height:1;transition:transform .2s;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{font-size:15px;line-height:1.8;color:var(--ink-2);padding:0 0 20px}
@media (max-width:1023px){.faq-wrap{grid-template-columns:1fr;gap:28px}}

/* ============ CTA ============ */
.cta-band{
  background:var(--tint);border-radius:20px;padding:48px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.cta-band h2{font-size:26px;line-height:1.45;font-weight:700;margin-bottom:14px}
.cta-band p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{
  flex:1;height:44px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#fff;padding:0 16px;font-size:14.5px;transition:border-color .18s,box-shadow .18s;
}
.subscribe-form input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(34,96,92,.12)}
.form-tip{
  margin-top:14px;font-size:13.5px;color:var(--brand-deep);background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:10px 14px;
}
@media (max-width:1023px){
  .cta-band{grid-template-columns:1fr;gap:26px;padding:36px}
  .cta-band h2{font-size:22px}
}
@media (max-width:640px){
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:#dbe6e3;margin-top:88px;padding:60px 0 26px}
.site-footer .brand-mark{color:#fff}
.site-footer .brand-sub{color:#a9c2bd}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand p{font-size:13px;line-height:1.9;color:#b8cdc8;margin-top:16px;max-width:26em}
.footer-col h4{font-size:13.5px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col li{font-size:13px;line-height:1.9;color:#b8cdc8}
.footer-col a{font-size:13px;color:#b8cdc8;transition:color .18s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:22px;font-size:12.5px;color:#9fb8b3;flex-wrap:wrap;
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:520px){
  .site-footer{margin-top:56px;padding:44px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --brand:#22605C;
  --brand-deep:#17433F;
  --accent:#DE7B3E;
  --surface:#F6F4EF;
  --card:#FFFFFF;
  --ink:#1B2224;
  --ink-2:#5A6467;
  --line:#E3DFD6;
  --tint:#EAF1EF;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(27,34,36,.06);
  --shadow-2:0 14px 30px -20px rgba(27,34,36,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* 容器与板块节奏 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--ink-2);font-size:16px;margin:12px 0 0;}
.eyebrow{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;
}
.h2{font-size:28px;line-height:1.4;font-weight:600;margin:12px 0 0;color:var(--ink);}
.h3{font-size:20px;line-height:1.5;font-weight:600;margin:0 0 8px;}
.body-text{font-size:16.5px;line-height:1.85;color:var(--ink-2);}
.small{font-size:13px;line-height:1.7;color:var(--ink-2);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px;}
.header-left{display:flex;align-items:center;gap:30px;flex:1 1 56%;min-width:0;}
.header-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.brand{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.brand-mark{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--ink);}
.brand-sub{font-size:11px;font-weight:400;letter-spacing:.08em;color:var(--ink-2);}
.nav-links{display:flex;align-items:center;gap:22px;flex-wrap:nowrap;}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);
  text-decoration:none;padding:6px 0;white-space:nowrap;transition:color .18s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-search{
  display:flex;align-items:center;gap:6px;height:36px;width:180px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:0 8px 0 14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.10);}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;font-size:13px;color:var(--ink);
}
.nav-search input::placeholder{color:#98A0A2;}
.nav-search button{
  border:0;background:transparent;color:var(--brand);cursor:pointer;
  display:flex;align-items:center;justify-content:center;padding:2px;border-radius:6px;
}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:38px;height:38px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0 9px;
}
.menu-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;}

/* 移动抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(27,34,36,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer-overlay.is-visible{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .24s ease;
  padding:22px;overflow-y:auto;box-shadow:-10px 0 40px -20px rgba(27,34,36,.45);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;
  color:var(--ink-2);cursor:pointer;font-size:16px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
.drawer-nav a{
  font-size:15px;color:var(--ink);padding:11px 10px;border-radius:10px;
  transition:background .18s ease,color .18s ease;
}
.drawer-nav a:hover{background:var(--tint);color:var(--brand);}
.drawer-nav a.is-active{background:var(--tint);color:var(--brand);font-weight:600;}
.drawer-form{display:flex;flex-direction:column;gap:10px;}
.drawer-form input{
  height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;
  font-size:14px;color:var(--ink);background:#fff;outline:0;
}
.drawer-form input:focus{border-color:var(--brand);}
.drawer .btn{width:100%;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;padding:13px 22px;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{background:var(--tint);border-color:rgba(34,96,92,.28);color:var(--brand-deep);}
.btn-outline{background:transparent;border-color:var(--accent);color:var(--accent);}
.btn-outline:hover{background:rgba(222,123,62,.10);color:#C1662F;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);
  font-size:15px;font-weight:600;text-decoration:none;
}
.btn-link:hover{text-decoration:underline;text-underline-offset:3px;}
.btn-link .arrow{transition:transform .18s ease;}
.btn-link:hover .arrow{transform:translateX(3px);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  background:var(--tint);color:var(--brand);font-size:11.5px;font-weight:600;
  padding:5px 12px;letter-spacing:.04em;
}
.badge--accent{background:rgba(222,123,62,.12);color:#B9652F;}
.tag{
  display:inline-flex;align-items:center;border-radius:999px;background:var(--tint);
  color:var(--brand);font-size:11.5px;font-weight:600;padding:4px 12px;
  transition:color .18s ease;
}
.tag:hover{color:var(--accent);}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#BFB9AC;}
.breadcrumb .current{color:var(--ink);font-weight:500;}

/* 首屏 */
.page-hero{padding:64px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.page-title{
  font-size:40px;line-height:1.3;font-weight:700;margin:14px 0 18px;color:var(--ink);
  letter-spacing:.005em;
}
.page-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;margin:0;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;font-size:13px;color:var(--ink-2);
}
.trust-row span{display:inline-flex;align-items:center;gap:12px;line-height:1.7;}
.trust-row span:not(:first-child)::before{
  content:"";width:1px;height:12px;background:var(--line);display:inline-block;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.hero-note{
  position:absolute;right:-14px;bottom:-20px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-2);max-width:250px;
}
.hero-note b{display:block;font-size:15px;font-weight:600;color:var(--brand);line-height:1.5;}
.hero-note span{display:block;font-size:12.5px;color:var(--ink-2);line-height:1.6;}

/* 锚点条 */
.anchor-bar{
  position:sticky;top:68px;z-index:40;background:rgba(246,244,239,.94);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0;
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-chip{
  flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:13px;border-radius:999px;padding:6px 15px;text-decoration:none;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.anchor-chip:hover{color:var(--brand);background:var(--tint);border-color:rgba(34,96,92,.28);}
.anchor-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* 数据卡 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.stat:hover{border-color:rgba(34,96,92,.25);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.stat b{display:block;font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat span{display:block;font-size:13px;color:var(--ink-2);line-height:1.7;margin-top:6px;}

/* 分屏说明 */
.split-grid{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:56px;align-items:start;}
.split-aside{position:sticky;top:132px;}
.split-aside .h2{margin-top:10px;}
.split-aside p{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.85;}
.split-aside .btn{margin-top:8px;}
.step-list{list-style:none;margin:0;padding:0;}
.step{position:relative;padding:0 0 32px 64px;}
.step::before{
  content:"";position:absolute;left:17px;top:40px;bottom:0;width:1px;
  background:var(--line);
}
.step:last-child{padding-bottom:0;}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:0;width:36px;height:36px;border-radius:999px;
  border:1.5px solid var(--accent);color:var(--accent);background:var(--surface);
  display:flex;align-items:center;justify-content:center;
  font-size:13.5px;font-weight:600;
}
.step .h3{margin:2px 0 6px;font-size:18px;}
.step p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2);}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}

/* 接入路径 */
.path-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:stretch;}
.path-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.path-main:hover{border-color:rgba(34,96,92,.25);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.path-media{overflow:hidden;border-bottom:1px solid var(--line);}
.path-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease;
}
.path-main:hover .path-media img{transform:scale(1.03);}
.path-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.path-body p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2);}
.path-side{display:grid;gap:24px;grid-auto-rows:1fr;}
.path-small{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:10px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.path-small:hover{border-color:rgba(34,96,92,.25);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.path-small p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* 准备清单 */
.prepare-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 30px;list-style:none;margin:0;padding:0;}
.check-grid li{
  position:relative;padding-left:26px;font-size:15.5px;line-height:1.8;color:var(--ink-2);
}
.check-grid li::before{
  content:"";position:absolute;left:2px;top:11px;width:13px;height:7px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.prepare-figure{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.prepare-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.prepare-figure figcaption{
  padding:16px 20px;font-size:13px;color:var(--ink-2);line-height:1.7;
  border-top:1px solid var(--line);background:#fff;
}

/* FAQ */
.faq{border-top:1px solid var(--line);margin-top:8px;}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--brand);}
.faq .plus{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq .plus::before,
.faq .plus::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq .plus::before{left:0;top:8px;width:18px;height:2px;}
.faq .plus::after{left:8px;top:0;width:2px;height:18px;}
.faq details[open] .plus::after{transform:rotate(90deg);opacity:0;}
.faq .answer{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:840px;}
.faq details[open] summary{color:var(--brand);}

/* CTA */
.cta-band{
  background:var(--tint);border:1px solid var(--line);border-radius:20px;
  padding:44px;display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;
}
.cta-band .h2{margin-top:8px;}
.cta-band p{color:var(--ink-2);font-size:15.5px;margin:14px 0 0;max-width:440px;}
.subscribe-form{display:flex;gap:10px;}
.subscribe-form input{
  flex:1 1 auto;height:46px;border:1px solid var(--line);border-radius:10px;
  background:#fff;padding:0 16px;font-size:14.5px;color:var(--ink);outline:0;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.subscribe-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.10);}
.form-note{
  display:none;margin-top:14px;background:#fff;border:1px solid var(--line);
  border-radius:10px;padding:11px 15px;font-size:14px;color:var(--brand);line-height:1.7;
}
.form-note.is-visible{display:block;}
.form-hint{font-size:12.5px;color:var(--ink-2);line-height:1.7;margin-top:12px;}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:#DCE7E5;padding:64px 0 28px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.35fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:#A9C2BE;letter-spacing:.08em;}
.footer-brand p{font-size:13px;line-height:1.9;color:#B9CFCB;margin:0;max-width:320px;}
.footer-col h4{
  font-size:13px;font-weight:600;color:#fff;letter-spacing:.06em;margin:0 0 14px;
}
.footer-col ul{list-style:none;margin:0;padding:0;font-size:13px;line-height:1.9;color:#B9CFCB;}
.footer-col li{margin-bottom:6px;}
.footer-col a{color:#C7D8D5;text-decoration:none;transition:color .18s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:#9FB7B3;
}

/* 响应式 */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links,.nav-search{display:none;}
  .menu-toggle{display:flex;}
  .header-left{flex:0 1 auto;}
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media img{aspect-ratio:16/10;}
  .hero-note{right:12px;bottom:-14px;}
  .page-hero{padding:48px 0 40px;}
  .page-title{font-size:32px;}
  .split-grid{grid-template-columns:1fr;gap:32px;}
  .split-aside{position:static;top:auto;}
  .path-grid{grid-template-columns:1fr;}
  .prepare-grid{grid-template-columns:1fr;gap:32px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:34px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .page-title{font-size:28px;line-height:1.35;}
  .page-lead{font-size:16px;}
  .h2{font-size:23px;}
  .h3{font-size:18px;}
  .anchor-bar{top:68px;}
  .stat-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;gap:12px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .cta-band{padding:26px 22px;}
  .step{padding-left:56px;}
  .step::before{left:15px;}
  .step-num{width:32px;height:32px;font-size:12.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:60px;padding:48px 0 24px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-actions .btn-link{width:100%;justify-content:flex-start;}
  .trust-row{gap:10px;font-size:12.5px;}
  .trust-row span:not(:first-child)::before{display:none;}
}
@media (max-width:520px){
  .page-title{font-size:26px;}
  .hero-note{position:static;margin-top:14px;max-width:none;}
  .path-body,.path-small{padding:20px;}
}

/* roulang page: category4 */
:root{
    --brand:#22605C;
    --brand-deep:#17433F;
    --accent:#DE7B3E;
    --surface:#F6F4EF;
    --card:#FFFFFF;
    --ink:#1B2224;
    --ink-2:#5A6467;
    --line:#E3DFD6;
    --tint:#EAF1EF;
    --r-card:16px;
    --r-img:12px;
    --r-btn:10px;
    --sh-1:0 1px 2px rgba(27,34,36,.06);
    --sh-2:0 14px 30px -20px rgba(27,34,36,.28);
    --header-h:68px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:150px;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    background:var(--surface);
    color:var(--ink);
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;}
  input{font:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 24px;}}
  @media (min-width:1024px){.container{padding:0 32px;}}

  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1.2;padding:12px 22px;
    cursor:pointer;white-space:nowrap;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
  .btn-ghost:hover{background:var(--tint);border-color:rgba(34,96,92,.3);}
  .btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:14.5px;font-weight:600;color:var(--brand);
    transition:color .18s ease;
  }
  .link-arrow::after{content:"→";transition:transform .18s ease;}
  .link-arrow:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
  .link-arrow:hover::after{transform:translateX(3px);}

  /* ---------- 头部 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,239,.92);
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;gap:20px;height:var(--header-h);}
  .brand{display:flex;flex-direction:column;justify-content:center;line-height:1.2;flex:none;}
  .brand-mark{font-size:15px;font-weight:600;color:var(--brand);letter-spacing:.04em;}
  .brand-sub{font-size:11px;font-weight:400;letter-spacing:.08em;color:var(--ink-2);margin-top:2px;}
  .nav-links{display:none;align-items:center;gap:18px;flex:1;margin-left:8px;}
  .nav-link{
    position:relative;font-size:14px;font-weight:500;color:var(--ink-2);
    padding:6px 0;transition:color .18s ease;white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link.is-active{color:var(--brand);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
    background:var(--brand);border-radius:2px;
  }
  .header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .nav-search{display:none;}
  .nav-search input{
    width:180px;height:36px;border-radius:999px;border:1px solid var(--line);
    background:#fff;padding:0 16px;font-size:13.5px;color:var(--ink);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .nav-search input::placeholder{color:#98A09F;}
  .nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.12);outline:none;}
  .header-cta{display:none;}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
    background:#fff;cursor:pointer;transition:background .18s ease,border-color .18s ease;
  }
  .nav-toggle:hover{background:var(--tint);border-color:rgba(34,96,92,.3);}
  .nav-toggle span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--ink);border-radius:2px;
  }
  .nav-toggle span::before{top:-5px;}
  .nav-toggle span::after{top:5px;}
  @media (min-width:1024px){
    .nav-links{display:flex;}
    .nav-search{display:block;}
    .header-cta{display:inline-flex;}
    .nav-toggle{display:none;}
  }
  @media (min-width:1180px){
    .nav-links{gap:24px;}
    .nav-link{font-size:14.5px;}
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(23,67,63,.35);
    opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:70;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;
    background:var(--surface);z-index:80;padding:20px 20px 28px;
    display:flex;flex-direction:column;gap:18px;overflow-y:auto;
    transform:translateX(100%);transition:transform .22s ease;
    border-left:1px solid var(--line);box-shadow:-10px 0 30px -20px rgba(27,34,36,.4);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-close{
    width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
    background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--ink-2);
  }
  .drawer-close:hover{background:var(--tint);}
  .drawer-links{display:flex;flex-direction:column;}
  .drawer-links a{
    padding:12px 4px;font-size:15px;font-weight:500;color:var(--ink-2);
    border-bottom:1px solid var(--line);transition:color .18s ease;
  }
  .drawer-links a:hover{color:var(--brand);}
  .drawer-links a.is-active{color:var(--brand);font-weight:600;}
  .drawer-search input{
    width:100%;height:44px;border-radius:10px;border:1px solid var(--line);
    background:#fff;padding:0 16px;font-size:14px;
  }
  .drawer-search input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(34,96,92,.12);}
  .drawer .btn{width:100%;}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    font-size:13px;color:var(--ink-2);padding:22px 0 0;
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  }
  .breadcrumb a{transition:color .18s ease;}
  .breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
  .breadcrumb .sep{color:#B9B3A6;}
  .breadcrumb .current{color:var(--ink);font-weight:500;}

  /* ---------- Hero ---------- */
  .page-hero{padding:34px 0 50px;}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--brand);
    text-transform:uppercase;margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px;}
  .hero-title{
    font-size:28px;line-height:1.35;font-weight:700;letter-spacing:.01em;color:var(--ink);
  }
  .hero-title em{font-style:normal;color:var(--brand);}
  .hero-lead{margin-top:16px;color:var(--ink-2);font-size:16px;line-height:1.85;max-width:600px;}
  .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;}
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:26px;
    font-size:13px;color:var(--ink-2);
  }
  .hero-meta li{display:flex;align-items:center;gap:10px;}
  .hero-meta li + li::before{content:"";width:1px;height:12px;background:#CFC9BC;}
  .hero-figure{margin:0;position:relative;}
  .hero-figure img{
    width:100%;aspect-ratio:16/11;object-fit:cover;
    border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-2);
  }
  .hero-badge{
    position:absolute;left:16px;bottom:16px;
    background:#fff;border:1px solid var(--line);border-radius:12px;
    padding:12px 16px;box-shadow:var(--sh-1);max-width:78%;
  }
  .hero-badge strong{display:block;font-size:19px;font-weight:700;color:var(--brand);line-height:1.2;}
  .hero-badge span{font-size:12.5px;color:var(--ink-2);}
  @media (min-width:640px){
    .hero-title{font-size:34px;}
  }
  @media (min-width:1024px){
    .page-hero{padding:56px 0 64px;}
    .hero-grid{grid-template-columns:1.04fr .96fr;gap:56px;}
    .hero-title{font-size:40px;line-height:1.3;}
    .hero-figure{margin-right:-40px;}
  }

  /* ---------- 锚点条 ---------- */
  .anchor-bar{
    position:sticky;top:var(--header-h);z-index:40;
    background:rgba(246,244,239,.94);
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  }
  .anchor-scroll{
    display:flex;align-items:center;gap:10px;
    overflow-x:auto;padding:12px 0;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .anchor-scroll::-webkit-scrollbar{display:none;}
  .chip{
    display:inline-flex;align-items:center;white-space:nowrap;
    border-radius:999px;padding:7px 16px;font-size:13px;font-weight:500;
    background:#fff;border:1px solid var(--line);color:var(--ink-2);
    transition:background .18s ease,color .18s ease,border-color .18s ease;
  }
  .chip:hover{background:var(--tint);color:var(--brand);border-color:rgba(34,96,92,.28);}
  .chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}

  /* ---------- 板块 ---------- */
  .section{padding:52px 0;}
  .section + .section{padding-top:0;}
  .section-head{max-width:720px;margin-bottom:32px;}
  .section-title{font-size:23px;line-height:1.4;font-weight:700;color:var(--ink);}
  .section-title span{color:var(--brand);}
  .section-desc{margin-top:12px;color:var(--ink-2);font-size:15.5px;}
  .kicker{
    display:block;font-size:11px;font-weight:600;letter-spacing:.12em;
    color:var(--accent);margin-bottom:12px;text-transform:uppercase;
  }
  @media (min-width:768px){
    .section{padding:64px 0;}
    .section-title{font-size:26px;}
  }
  @media (min-width:1024px){
    .section{padding:88px 0;}
    .section-title{font-size:28px;}
  }

  /* ---------- 步骤 ---------- */
  .steps{display:grid;grid-template-columns:1fr;gap:0;}
  .step{
    position:relative;display:grid;grid-template-columns:44px 1fr;gap:18px;
    padding-bottom:30px;
  }
  .step:last-child{padding-bottom:0;}
  .step:not(:last-child)::before{
    content:"";position:absolute;left:21px;top:50px;bottom:6px;width:1px;
    background:linear-gradient(to bottom,var(--line),rgba(227,223,214,.4));
  }
  .step-num{
    position:relative;z-index:1;width:44px;height:44px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:#fff;border:1.5px solid var(--accent);color:var(--accent);
    font-size:15px;font-weight:600;
  }
  .step-body h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.5;}
  .step-body p{margin-top:8px;color:var(--ink-2);font-size:15px;line-height:1.8;}
  .step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
  .tag{
    display:inline-flex;align-items:center;border-radius:999px;
    background:var(--tint);color:var(--brand);
    font-size:11.5px;font-weight:600;padding:4px 12px;letter-spacing:.02em;
    transition:color .18s ease,background .18s ease;
  }
  .tag:hover{color:var(--accent);}
  @media (min-width:768px){
    .steps{grid-template-columns:repeat(2,1fr);gap:0 40px;}
    .step:nth-child(2)::before{display:none;}
  }
  @media (min-width:1024px){
    .steps{grid-template-columns:repeat(4,1fr);gap:0 28px;}
    .step{grid-template-columns:44px 1fr;padding-bottom:0;}
    .step:not(:last-child)::before{
      left:52px;top:22px;bottom:auto;width:calc(100% - 34px);height:1px;
      background:repeating-linear-gradient(to right,var(--line) 0 6px,transparent 6px 12px);
    }
    .step:nth-child(2)::before{display:block;}
  }

  /* ---------- 图文说明 ---------- */
  .split{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;}
  .figure-frame{margin:0;}
  .figure-frame img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
    border:1px solid var(--line);box-shadow:var(--sh-1);
  }
  .figure-frame figcaption{margin-top:10px;font-size:12.5px;color:var(--ink-2);text-align:center;}
  .checklist{display:grid;gap:0;}
  .checklist li{
    display:grid;grid-template-columns:24px 1fr;gap:12px;
    padding:16px 0;border-bottom:1px solid var(--line);
  }
  .checklist li:first-child{padding-top:0;}
  .checklist li:last-child{border-bottom:none;padding-bottom:0;}
  .checklist .dot{
    width:20px;height:20px;border-radius:50%;background:var(--tint);color:var(--brand);
    display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:4px;
  }
  .checklist h4{font-size:15.5px;font-weight:600;color:var(--ink);margin-bottom:4px;}
  .checklist p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
  @media (min-width:1024px){
    .split{grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;}
  }

  /* ---------- 表格 ---------- */
  .table-wrap{
    width:100%;overflow-x:auto;border:1px solid var(--line);
    border-radius:var(--r-card);background:#fff;
  }
  table{width:100%;border-collapse:collapse;min-width:560px;}
  caption{
    text-align:left;padding:18px 20px 4px;font-size:14px;font-weight:600;color:var(--ink);
  }
  th,td{
    padding:14px 20px;font-size:14.5px;text-align:left;
    border-bottom:1px solid var(--line);vertical-align:top;
  }
  thead th{font-weight:600;color:var(--brand);background:var(--tint);border-bottom:1px solid var(--line);}
  tbody tr:last-child th,tbody tr:last-child td{border-bottom:none;}
  tbody th{font-weight:600;color:var(--ink);width:34%;}
  td{color:var(--ink-2);}

  /* ---------- 提示条 ---------- */
  .notice{
    display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;
    background:var(--tint);border:1px solid rgba(34,96,92,.18);
    border-radius:var(--r-card);padding:20px 22px;margin-top:28px;
  }
  .notice .mark{
    width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  }
  .notice p{font-size:14.5px;color:var(--brand-deep);line-height:1.8;}

  /* ---------- FAQ ---------- */
  .faq{max-width:820px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
    cursor:pointer;list-style:none;transition:color .18s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand);}
  .faq-icon{
    flex:none;width:22px;height:22px;position:relative;
    transition:transform .2s ease;
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-icon::before{width:14px;height:1.8px;}
  .faq-icon::after{width:1.8px;height:14px;transition:opacity .2s ease;}
  details[open] .faq-icon{transform:rotate(45deg);}
  details[open] .faq-icon::after{opacity:0;}
  .faq-answer{padding:0 44px 22px 0;font-size:15px;line-height:1.8;color:var(--ink-2);}

  /* ---------- CTA ---------- */
  .cta{
    background:var(--tint);border:1px solid rgba(34,96,92,.14);
    border-radius:20px;padding:32px 24px;
    display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  }
  .cta h2{font-size:22px;font-weight:700;color:var(--brand-deep);line-height:1.45;}
  .cta p{margin-top:10px;font-size:15px;color:#2F5B57;line-height:1.8;max-width:520px;}
  .cta-form{display:grid;grid-template-columns:1fr;gap:12px;}
  .cta-form input{
    height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
    padding:0 16px;font-size:14.5px;color:var(--ink);width:100%;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .cta-form input::placeholder{color:#9AA2A1;}
  .cta-form input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(34,96,92,.14);}
  .cta-form .btn{width:100%;}
  .form-hint{
    margin-top:10px;font-size:13px;color:var(--ink-2);
    background:#fff;border:1px solid rgba(34,96,92,.2);border-radius:10px;
    padding:10px 14px;display:none;
  }
  .form-hint.is-on{display:block;}
  @media (min-width:640px){
    .cta-form{grid-template-columns:1fr auto;align-items:center;}
    .cta-form .btn{width:auto;}
  }
  @media (min-width:1024px){
    .cta{grid-template-columns:1.15fr .85fr;gap:48px;padding:44px 44px;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--brand-deep);color:#D8E4E1;
    font-size:13px;line-height:1.9;margin-top:80px;padding-top:52px;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  .footer-brand .brand-mark{color:#fff;}
  .footer-brand .brand-sub{color:rgba(216,228,225,.72);}
  .footer-brand p{margin-top:14px;max-width:340px;color:rgba(216,228,225,.78);}
  .footer-col h4{
    font-size:13px;font-weight:600;color:#fff;margin-bottom:12px;letter-spacing:.04em;
  }
  .footer-col li{padding:3px 0;color:rgba(216,228,225,.78);}
  .footer-col a{transition:color .18s ease;}
  .footer-col a:hover{color:var(--accent);}
  .footer-bottom{
    margin-top:36px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
    font-size:12.5px;color:rgba(216,228,225,.7);
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
  }
  @media (min-width:1024px){
    .site-footer{margin-top:96px;padding-top:64px;}
  }

/* roulang page: category5 */
:root{
    --brand:#22605C;
    --brand-deep:#17433F;
    --accent:#DE7B3E;
    --surface:#F6F4EF;
    --card:#FFFFFF;
    --ink:#1B2224;
    --ink-2:#5A6467;
    --line:#E3DFD6;
    --tint:#EAF1EF;
    --r-card:16px;
    --r-img:12px;
    --r-btn:10px;
    --shadow-1:0 1px 2px rgba(27,34,36,.06);
    --shadow-2:0 14px 30px -20px rgba(27,34,36,.28);
    --max:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--surface);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  input{font:inherit;}
  ul{list-style:none;margin:0;padding:0;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

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

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,239,.92);
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;align-items:center;gap:18px;
    height:68px;
  }
  .brand{
    display:inline-flex;flex-direction:column;justify-content:center;
    line-height:1.15;flex:none;padding-right:6px;
  }
  .brand-mark{
    font-size:15px;font-weight:600;color:var(--brand);letter-spacing:.02em;
  }
  .brand-sub{
    font-size:11px;font-weight:400;color:var(--ink-2);letter-spacing:.08em;
  }
  .nav-links{
    display:flex;align-items:center;gap:2px;flex:1 1 auto;min-width:0;
  }
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    height:68px;padding:0 10px;
    font-size:14px;font-weight:500;color:var(--ink-2);
    white-space:nowrap;
    transition:color .18s ease;
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link.is-active{color:var(--brand);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:10px;right:10px;bottom:18px;height:2px;
    background:var(--brand);border-radius:2px;
  }
  .header-tools{
    display:flex;align-items:center;gap:12px;flex:none;
  }
  .search input{
    width:176px;height:36px;border-radius:999px;
    border:1px solid var(--line);background:#fff;
    padding:0 14px;font-size:13.5px;color:var(--ink);
    outline:none;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .search input::placeholder{color:#9AA3A5;}
  .search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.12);}

  .nav-toggle{
    display:none;width:40px;height:40px;border-radius:10px;
    border:1px solid var(--line);background:#fff;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
    transition:border-color .18s ease;
  }
  .nav-toggle:hover{border-color:var(--brand);}
  .nav-toggle span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;padding:12px 22px;
    white-space:nowrap;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-ghost{border-color:var(--line);color:var(--ink);background:transparent;}
  .btn-ghost:hover{background:var(--tint);border-color:var(--brand);color:var(--brand-deep);}
  .btn-sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:8px;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:14.5px;font-weight:600;color:var(--brand);
    transition:color .18s ease;
  }
  .link-arrow::after{content:"→";font-size:15px;transition:transform .18s ease;}
  .link-arrow:hover{color:var(--brand-deep);}
  .link-arrow:hover::after{transform:translateX(3px);}

  /* ---------- Drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;z-index:70;
    background:rgba(23,67,63,.42);
    opacity:0;pointer-events:none;transition:opacity .22s ease;
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;z-index:80;
    width:86%;max-width:360px;
    background:var(--surface);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .22s ease;
    display:flex;flex-direction:column;gap:18px;
    padding:20px;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-close{
    width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
    background:#fff;display:inline-flex;align-items:center;justify-content:center;
    font-size:18px;line-height:1;color:var(--ink-2);
  }
  .drawer-close:hover{color:var(--brand);border-color:var(--brand);}
  .drawer-search input{
    width:100%;height:44px;border-radius:10px;border:1px solid var(--line);
    background:#fff;padding:0 14px;font-size:14px;outline:none;
  }
  .drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.12);}
  .drawer-links{display:flex;flex-direction:column;gap:2px;}
  .drawer-links a{
    display:block;padding:12px 4px;font-size:15px;font-weight:500;color:var(--ink-2);
    border-bottom:1px solid var(--line);
  }
  .drawer-links a:hover,.drawer-links a.is-active{color:var(--brand);}
  .drawer-cta{width:100%;margin-top:4px;}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    padding:52px 0 40px;
    background:
      radial-gradient(900px 420px at 88% -25%, rgba(34,96,92,.10), transparent 70%),
      radial-gradient(600px 300px at 5% 110%, rgba(222,123,62,.08), transparent 70%),
      var(--surface);
    border-bottom:1px solid var(--line);
  }
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--ink-2);margin-bottom:20px;
  }
  .breadcrumb a{color:var(--ink-2);transition:color .18s ease;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#B6BDBC;}
  .breadcrumb [aria-current]{color:var(--ink);font-weight:500;}
  .eyebrow{
    font-size:11px;font-weight:600;letter-spacing:.12em;
    color:var(--brand);margin-bottom:12px;
  }
  .page-title{
    font-size:40px;line-height:1.3;font-weight:700;
    letter-spacing:.01em;max-width:22em;margin-bottom:16px;
  }
  .page-title em{font-style:normal;color:var(--brand);}
  .lead{
    max-width:46em;color:var(--ink-2);font-size:16.5px;line-height:1.85;
    margin-bottom:22px;
  }
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:6px 24px;
    font-size:13px;color:var(--ink-2);
  }
  .hero-meta span{position:relative;padding-left:13px;}
  .hero-meta span::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:2px;height:12px;background:var(--brand);opacity:.5;border-radius:2px;
  }

  /* ---------- Anchor bar ---------- */
  .anchor-bar{
    position:sticky;top:68px;z-index:40;
    background:rgba(246,244,239,.94);
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .anchor-list{
    display:flex;gap:10px;overflow-x:auto;
    padding:12px 0;scrollbar-width:none;
  }
  .anchor-list::-webkit-scrollbar{display:none;}
  .chip{
    flex:none;display:inline-flex;align-items:center;
    padding:7px 15px;border-radius:999px;
    font-size:13px;font-weight:500;color:var(--ink-2);
    background:#fff;border:1px solid var(--line);
    transition:all .18s ease;
  }
  .chip:hover{border-color:var(--brand);color:var(--brand);}
  .chip.is-strong{background:var(--brand);border-color:var(--brand);color:#fff;}

  /* ---------- Sections ---------- */
  .section{padding:72px 0;scroll-margin-top:132px;}
  .section-tint{background:var(--tint);}
  .section-head{max-width:740px;margin-bottom:34px;}
  .section-title{
    font-size:28px;line-height:1.4;font-weight:700;margin-bottom:10px;
  }
  .section-desc{color:var(--ink-2);font-size:15.5px;line-height:1.85;}
  .badge{
    display:inline-flex;align-items:center;
    padding:5px 12px;border-radius:999px;
    background:var(--tint);color:var(--brand);
    font-size:11.5px;font-weight:600;letter-spacing:.04em;
  }
  .badge-accent{background:rgba(222,123,62,.12);color:#B85E28;}

  /* ---------- Featured card ---------- */
  .feature{
    display:grid;grid-template-columns:1.02fr .98fr;gap:36px;align-items:center;
    background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);box-shadow:var(--shadow-1);
    padding:28px;
    transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .feature:hover{
    border-color:rgba(34,96,92,.25);
    transform:translateY(-3px);
    box-shadow:var(--shadow-2);
  }
  .feature-media{
    border-radius:var(--r-img);overflow:hidden;
    border:1px solid var(--line);
    aspect-ratio:4/3;
    background:rgba(34,96,92,.08);
  }
  .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease;}
  .feature:hover .feature-media img{transform:scale(1.03);}
  .feature-body h3{
    font-size:24px;line-height:1.45;font-weight:700;margin:14px 0 12px;
  }
  .feature-body p{color:var(--ink-2);font-size:15.5px;line-height:1.85;margin-bottom:12px;}
  .feature-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:20px;}
  .meta-line{font-size:13px;color:var(--ink-2);}

  /* ---------- Alternating rows ---------- */
  .qa-rows{display:flex;flex-direction:column;}
  .qa-row{
    display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
    padding:34px 0;border-bottom:1px solid var(--line);
  }
  .qa-row:first-child{padding-top:0;}
  .qa-row:last-child{border-bottom:0;padding-bottom:0;}
  .qa-row:nth-child(even) .qa-media{order:2;}
  .qa-media{
    border-radius:var(--r-img);overflow:hidden;
    border:1px solid var(--line);
    aspect-ratio:16/10;
    background:rgba(34,96,92,.08);
  }
  .qa-media img{width:100%;height:100%;object-fit:cover;}
  .qa-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:12px 0 10px;}
  .qa-body p{color:var(--ink-2);font-size:15.5px;line-height:1.85;margin-bottom:10px;}
  .qa-index{
    display:inline-flex;align-items:center;justify-content:center;
    width:28px;height:28px;border-radius:50%;
    border:1px solid var(--accent);color:#B85E28;
    font-size:12.5px;font-weight:600;margin-right:10px;
    vertical-align:middle;
  }

  /* ---------- Notes ---------- */
  .note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .note{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px 24px;box-shadow:var(--shadow-1);
    transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .note:hover{border-color:rgba(34,96,92,.25);transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .note .num{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:50%;
    border:1px solid rgba(222,123,62,.6);color:#B85E28;
    font-size:13px;font-weight:700;margin-bottom:14px;
  }
  .note h3{font-size:18px;font-weight:700;margin-bottom:8px;}
  .note p{color:var(--ink-2);font-size:14.5px;line-height:1.8;}

  /* ---------- Related links ---------- */
  .related{
    display:grid;grid-template-columns:repeat(3,1fr);gap:0;
    border-top:1px solid var(--line);
  }
  .related a{
    display:flex;flex-direction:column;gap:6px;
    padding:24px 24px 24px 0;
    border-bottom:1px solid var(--line);
    transition:color .18s ease;
  }
  .related a + a{padding-left:24px;border-left:1px solid var(--line);}
  .related .r-label{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--accent);}
  .related .r-title{font-size:17px;font-weight:600;color:var(--ink);}
  .related .r-desc{font-size:13.5px;color:var(--ink-2);line-height:1.7;}
  .related a:hover .r-title{color:var(--brand);}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;}
  .faq{border-top:1px solid var(--line);}
  .faq details{border-bottom:1px solid var(--line);}
  .faq summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
    padding:20px 0;font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
    transition:color .18s ease;
  }
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary:hover{color:var(--brand);}
  .faq .plus{
    flex:none;position:relative;width:20px;height:20px;margin-top:3px;
    transition:transform .2s ease;
  }
  .faq .plus::before,.faq .plus::after{
    content:"";position:absolute;top:50%;left:50%;
    background:var(--brand);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq .plus::before{width:14px;height:1.8px;}
  .faq .plus::after{width:1.8px;height:14px;}
  .faq details[open] .plus{transform:rotate(45deg);}
  .faq .answer{
    padding:0 0 22px;color:var(--ink-2);
    font-size:15px;line-height:1.8;max-width:44em;
  }

  /* ---------- CTA ---------- */
  .cta-banner{background:var(--tint);border-top:1px solid var(--line);scroll-margin-top:132px;}
  .cta-inner{
    display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
    padding:60px 0;
  }
  .cta-inner h2{font-size:28px;line-height:1.4;font-weight:700;margin-bottom:12px;}
  .cta-inner p{color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:34em;}
  .subscribe-form{display:flex;gap:10px;align-items:center;}
  .subscribe-form input{
    flex:1 1 auto;height:44px;border-radius:10px;
    border:1px solid var(--line);background:#fff;
    padding:0 14px;font-size:14.5px;color:var(--ink);outline:none;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .subscribe-form input::placeholder{color:#9AA3A5;}
  .subscribe-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,96,92,.12);}
  .form-note{font-size:12.5px;color:var(--ink-2);margin-top:10px;}
  .form-tip{
    display:none;margin-top:14px;
    background:#fff;border:1px dashed rgba(34,96,92,.4);
    border-radius:10px;padding:12px 14px;
    font-size:13.5px;color:var(--brand-deep);
  }
  .form-tip.is-visible{display:block;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);font-size:13px;line-height:1.9;padding:56px 0 0;}
  .footer-grid{
    display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:32px;
    padding-bottom:36px;
  }
  .footer-brand .brand{align-items:flex-start;}
  .footer-brand .brand-mark{color:#fff;font-size:15px;}
  .footer-brand .brand-sub{color:rgba(255,255,255,.6);}
  .footer-brand p{margin-top:14px;max-width:30em;color:rgba(255,255,255,.72);}
  .footer-col h4{
    font-size:13px;font-weight:600;color:#fff;margin-bottom:12px;letter-spacing:.06em;
  }
  .footer-col ul{display:grid;gap:7px;}
  .footer-col a{color:rgba(255,255,255,.78);transition:color .18s ease;}
  .footer-col a:hover{color:var(--accent);}
  .footer-col li{color:rgba(255,255,255,.72);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);
    padding:18px 0 26px;
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    font-size:12.5px;color:rgba(255,255,255,.6);
  }

  /* ---------- Responsive ---------- */
  @media (max-width:1280px){
    .nav-link{padding:0 8px;font-size:13.5px;}
    .search input{width:150px;}
  }
  @media (max-width:1100px){
    .search{display:none;}
  }
  @media (max-width:1024px){
    .container{padding:0 24px;}
    .nav-links{display:none;}
    .nav-toggle{display:inline-flex;}
    .header-tools .btn-sm{display:none;}
    .page-hero{padding:44px 0 34px;}
    .page-title{font-size:32px;}
    .section{padding:56px 0;}
    .feature{grid-template-columns:1fr;gap:22px;padding:22px;}
    .feature-body h3{font-size:21px;}
    .qa-row{grid-template-columns:1fr;gap:20px;}
    .qa-row:nth-child(even) .qa-media{order:0;}
    .note-grid{grid-template-columns:1fr;gap:16px;}
    .related{grid-template-columns:1fr;}
    .related a + a{padding-left:0;border-left:0;}
    .related a{padding:20px 0;}
    .cta-inner{grid-template-columns:1fr;gap:24px;padding:44px 0;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:768px){
    .page-title{font-size:29px;}
    .section-title{font-size:24px;}
    .cta-inner h2{font-size:24px;}
  }
  @media (max-width:640px){
    .container{padding:0 20px;}
    .header-inner{height:60px;}
    .anchor-bar{top:60px;}
    .page-hero{padding:34px 0 28px;}
    .page-title{font-size:26px;line-height:1.35;}
    .lead{font-size:15.5px;}
    .section{padding:44px 0;scroll-margin-top:120px;}
    .feature-body h3{font-size:19px;}
    .qa-body h3{font-size:18px;}
    .subscribe-form{flex-direction:column;align-items:stretch;}
    .subscribe-form .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;gap:24px;}
    .footer-bottom{flex-direction:column;}
    .related .r-title{font-size:16px;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{transition:none !important;animation:none !important;}
    html{scroll-behavior:auto;}
  }