/* roulang page: index */
:root{
  --brand-900:#0F3B36;
  --brand-700:#14655A;
  --brand-500:#2E8C7C;
  --brand-050:#E6F1EE;
  --accent-600:#D9532B;
  --accent-400:#E8A33D;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EEEAE1;
  --ink:#16211F;
  --ink-2:#45534F;
  --ink-3:#7C8B87;
  --line:#E3DED3;
  --line-strong:#CFC8B8;
  --ok:#2F8F6B;
  --warn:#C9861F;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-badge:999px;
  --radius-banner:20px;
  --shadow-card:0 1px 2px rgba(15,59,54,.06);
  --shadow-hover:0 14px 32px -14px rgba(15,59,54,.22);
  --shadow-nav:0 2px 10px rgba(15,59,54,.08);
  --space-sec:80px;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;line-height:1.3;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.wrap{padding:0 32px}}
section{padding:48px 0}
@media (min-width:1024px){section{padding:var(--space-sec) 0}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.94);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-nav);
}
.nav-bar{height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px}
@media (min-width:1024px){.nav-bar{height:64px;gap:32px}}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:15px;font-weight:700;
  box-shadow:0 6px 14px -8px rgba(15,59,54,.6);
}
.brand-text{font-family:var(--font-serif);font-weight:700;font-size:16px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em}
@media (min-width:1024px){.brand-text{font-size:17px}}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0}
.nav-links{display:none;align-items:center;gap:26px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand-700);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:500}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  display:none;align-items:center;gap:8px;height:38px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--ink-3);font-size:14px;min-width:190px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:hover{border-color:var(--line-strong)}
.nav-search input{border:0;outline:0;background:transparent;width:100%;color:var(--ink-2);font-size:14px}
@media (min-width:1024px){.nav-search{display:flex}}
.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:500;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 10px 22px -14px rgba(217,83,43,.8)}
.btn-primary:hover{background:#C4461F;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:rgba(20,101,90,.08)}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.24)}
.btn:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
@media (max-width:1023px){.nav-cta{display:none}}
.hamburger{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);display:flex;align-items:center;justify-content:center;
  color:var(--brand-900);cursor:pointer;
}
@media (min-width:1024px){.hamburger{display:none}}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,59,54,.42);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;z-index:80;
  background:var(--surface);transform:translateX(101%);
  transition:transform .3s ease;display:flex;flex-direction:column;
  padding:22px 22px 28px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-title{font-family:var(--font-serif);font-weight:700;color:var(--ink);font-size:16px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);color:var(--ink-2);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  font-family:var(--font-serif);font-size:19px;color:var(--ink);
  padding:14px 4px;border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand-700)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* ---------- 倒计时条 ---------- */
.countdown-bar{background:var(--brand-900);color:#E9F1EE}
.cd-inner{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  min-height:44px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;
}
.cd-label{font-size:13.5px;letter-spacing:.02em;display:flex;align-items:center;gap:8px}
.cd-label i{color:var(--accent-400)}
.cd-timer{display:flex;align-items:baseline;gap:6px;font-size:14px}
.cd-cell{display:flex;align-items:baseline;gap:3px}
.cd-cell b{
  font-size:17px;font-weight:700;color:var(--accent-400);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.cd-cell i{font-style:normal;font-size:12px;color:rgba(233,241,238,.72)}
.cd-colon{color:rgba(255,255,255,.45);font-weight:700}
@media (max-width:520px){
  .cd-inner{justify-content:center;text-align:center}
  .cd-label{font-size:13px}
}

/* ---------- Hero ---------- */
.hero{padding-top:36px;padding-bottom:40px}
@media (min-width:1024px){.hero{padding-top:56px;padding-bottom:80px}}
.hero-grid{display:grid;gap:32px;align-items:center}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:55fr 45fr;gap:48px}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--radius-badge);background:var(--brand-050);color:var(--brand-700);
  font-size:13px;font-weight:500;margin-bottom:18px;
}
.hero h1{
  font-size:30px;font-weight:700;margin-bottom:16px;
}
@media (min-width:640px){.hero h1{font-size:36px}}
@media (min-width:1024px){.hero h1{font-size:44px}}
.hero-sub{font-size:16.5px;color:var(--ink-2);max-width:34rem;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
@media (max-width:520px){.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-point{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.hero-point i{color:var(--brand-500);font-size:14px}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:24px;overflow:hidden;background:var(--surface-alt);
  box-shadow:0 24px 48px -28px rgba(15,59,54,.45);aspect-ratio:5/4;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-tag{
  position:absolute;right:16px;bottom:16px;
  background:rgba(255,255,255,.94);border-radius:var(--radius-badge);
  padding:8px 16px;font-size:13px;color:var(--brand-900);font-weight:500;
  box-shadow:0 8px 20px -12px rgba(15,59,54,.5);
  display:flex;align-items:center;gap:8px;
}
.hero-tag i{color:var(--accent-600)}

/* ---------- 通用区块头 ---------- */
.sec-head{margin-bottom:32px;max-width:44rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  color:var(--brand-700);letter-spacing:.06em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--brand-500)}
.sec-head h2{font-size:24px;font-weight:700;margin-bottom:12px}
@media (min-width:1024px){.sec-head h2{font-size:29px}}
.sec-head p{font-size:15.5px;color:var(--ink-2)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- 卖点卡 ---------- */
.feature-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:768px){.feature-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (min-width:1024px){.feature-grid{grid-template-columns:repeat(4,1fr)}}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.feature-card:hover{border-color:#B9D6CF;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.feature-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-050);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ---------- 图墙 ---------- */
.gallery{display:grid;gap:16px;grid-template-columns:1fr;grid-auto-rows:190px}
@media (min-width:768px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.gallery{grid-template-columns:repeat(4,1fr);grid-auto-rows:168px}}
.g-item{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  background:var(--surface-alt);display:block;
}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.04)}
.g-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,59,54,.62),rgba(15,59,54,0) 62%);
}
.g-label{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--brand-900);
  font-size:12.5px;padding:5px 12px;border-radius:var(--radius-badge);font-weight:500;
}
.g-big{grid-column:span 1;grid-row:span 1}
@media (min-width:768px){.g-big{grid-column:span 2;grid-row:span 2}}
@media (max-width:767px){
  .gallery{grid-auto-rows:180px}
  .g-item::after{background:linear-gradient(to top,rgba(15,59,54,.55),rgba(15,59,54,0) 55%)}
}

/* ---------- 流程 ---------- */
.steps{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);position:relative;
}
.step-no{
  font-family:var(--font-serif);font-size:13px;font-weight:700;color:#fff;
  background:var(--brand-700);width:30px;height:30px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.step-line{border-top:1px dashed var(--line-strong);margin-top:16px;padding-top:14px;font-size:13.5px;color:var(--ink-3)}

/* ---------- 数据块 ---------- */
.stat-band{background:var(--surface-alt);border-radius:var(--radius-banner)}
.stat-grid{display:grid;gap:20px;grid-template-columns:repeat(2,1fr)}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item{text-align:center;padding:8px 4px}
.stat-item b{
  display:block;font-family:var(--font-serif);font-size:30px;color:var(--brand-900);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-item span{font-size:13.5px;color:var(--ink-3);display:block;margin-top:6px}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--brand-900),var(--brand-700));
  border-radius:var(--radius-banner);padding:28px;color:#E9F1EE;
  display:grid;gap:24px;
}
@media (min-width:1024px){.cta-banner{grid-template-columns:1fr 1fr;padding:40px;gap:48px;align-items:center}}
.cta-banner h2{color:#fff;font-size:23px;margin-bottom:12px}
@media (min-width:1024px){.cta-banner h2{font-size:27px}}
.cta-banner p{color:rgba(233,241,238,.86);font-size:15px;margin-bottom:18px}
.cta-list{display:flex;flex-direction:column;gap:9px}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(233,241,238,.9)}
.cta-list i{color:var(--accent-400);margin-top:5px}
.cta-form{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-card);padding:22px;
}
@media (min-width:1024px){.cta-form{margin-left:24px}}
.cta-form h3{color:#fff;font-size:16.5px;font-weight:700;margin-bottom:6px}
.cta-form .form-tip{font-size:13px;color:rgba(233,241,238,.7);margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.field label{font-size:13.5px;color:rgba(233,241,238,.85)}
.field input{
  height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.96);color:var(--ink);padding:0 14px;outline:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus{border-color:var(--accent-400);box-shadow:0 0 0 3px rgba(232,163,61,.28)}
.form-note{font-size:12.5px;color:rgba(233,241,238,.62);margin-top:10px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:48rem;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:12px;box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item[open]{border-color:#B9D6CF}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;font-size:16px;font-weight:500;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .sign{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:var(--brand-050);
  color:var(--brand-700);display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.faq-item[open] summary .sign{background:var(--brand-700);color:#fff;transform:rotate(45deg)}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-item summary:hover{color:var(--brand-700)}

/* ---------- 资讯列表 ---------- */
.link-more{
  font-size:14.5px;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px dashed var(--brand-500);padding-bottom:2px;
  transition:gap .2s ease,border-color .2s ease;
}
.link-more:hover{gap:10px;border-bottom-style:solid}
.post-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#B9D6CF}
.post-thumb{
  aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--surface-alt);
}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-badge);
  background:var(--brand-050);color:var(--brand-700);font-size:12px;font-weight:500;
}
.post-title{
  font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink);
  line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-sum{
  font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:12px;
}
.post-card .cover-link{position:absolute;inset:0;z-index:3;border-radius:var(--radius-card)}
.empty-card{
  background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:28px;grid-column:1 / -1;
}
.empty-card i{font-size:26px;color:var(--brand-500)}
.empty-card p{font-size:14.5px;color:var(--ink-3)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(233,241,238,.82);margin-top:16px}
.footer-grid{
  display:grid;gap:28px;grid-template-columns:1fr;padding:48px 0 32px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;color:#fff}
.footer-brand span{font-family:var(--font-serif);font-weight:700;color:#fff;font-size:16px}
.footer-grid h4{color:#fff;font-size:15px;font-weight:500;margin-bottom:14px}
.footer-grid p{font-size:14px;line-height:1.9;color:rgba(233,241,238,.72)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(233,241,238,.78);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(233,241,238,.6);
}
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:55;height:52px;
  background:var(--accent-600);color:#fff;display:flex;align-items:center;justify-content:center;
  gap:8px;font-size:15px;font-weight:500;
}
@media (min-width:1024px){.mobile-cta{display:none}}
@media (max-width:1023px){body{padding-bottom:52px}}

/* roulang page: article */
:root{
    --brand-900:#0F3B36;
    --brand-700:#14655A;
    --brand-500:#2E8C7C;
    --accent-600:#D9532B;
    --accent-400:#E8A33D;
    --bg:#F7F4EE;
    --surface:#FFFFFF;
    --surface-alt:#EEEAE1;
    --ink:#16211F;
    --ink-2:#45534F;
    --ink-3:#7C8B87;
    --line:#E3DED3;
    --line-strong:#CFC8B8;
    --radius-card:16px;
    --radius-btn:10px;
    --shadow-card:0 1px 2px rgba(15,59,54,.06);
    --shadow-hover:0 14px 32px -14px rgba(15,59,54,.22);
    --serif:"Noto Serif SC","Songti SC",Georgia,serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--sans);
    font-size:16px;
    line-height:1.85;
    color:var(--ink-2);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:var(--brand-700);text-decoration:none}
  button{font-family:inherit}
  h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;letter-spacing:.01em;line-height:1.35}
  p{margin:0}
  :focus-visible{outline:2px solid var(--brand-900);outline-offset:2px;border-radius:4px}

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

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,244,238,.92);
    backdrop-filter:saturate(140%) blur(10px);
    border-bottom:1px solid transparent;
    transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
  }
  .site-header.is-scrolled{
    background:rgba(247,244,238,.98);
    border-bottom-color:var(--line);
    box-shadow:0 2px 10px rgba(15,59,54,.08);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
  .header-left{display:flex;align-items:center;gap:30px;min-width:0}
  .brand{display:flex;align-items:center;gap:10px;min-width:0}
  .brand-mark{
    width:30px;height:30px;flex:0 0 30px;border-radius:9px;
    background:var(--brand-900);color:#F7F4EE;
    display:grid;place-items:center;
    font-family:var(--serif);font-size:16px;font-weight:700;
  }
  .brand-text{
    font-family:var(--serif);font-weight:700;font-size:16px;color:var(--ink);
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .nav-links{display:flex;align-items:center;gap:24px}
  .nav-link{
    position:relative;display:inline-block;padding:20px 0;
    font-size:15px;color:var(--ink-2);transition:color .2s ease;
  }
  .nav-link:hover{color:var(--brand-900)}
  .nav-link.active{color:var(--brand-900);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:0;right:0;bottom:13px;height:2px;
    background:var(--brand-700);border-radius:2px;
  }
  .header-right{display:flex;align-items:center;gap:14px}
  .nav-search{position:relative;display:flex;align-items:center}
  .nav-search input{
    height:40px;width:190px;padding:0 14px 0 36px;
    border:1px solid var(--line);border-radius:10px;
    background:var(--surface);color:var(--ink);font-size:14px;
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .nav-search input::placeholder{color:var(--ink-3)}
  .nav-search input:focus{
    outline:none;border-color:var(--brand-500);background:#fff;
    box-shadow:0 0 0 3px rgba(46,140,124,.14);
  }
  .nav-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--ink-3);pointer-events:none}
  .menu-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
    background:var(--surface);color:var(--brand-900);place-items:center;cursor:pointer;
    transition:background .2s ease,border-color .2s ease;
  }
  .menu-toggle:hover{background:var(--surface-alt);border-color:var(--line-strong)}
  .menu-toggle svg{width:20px;height:20px}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 8px 18px -10px rgba(217,83,43,.75)}
  .btn-primary:hover{background:#C2461F;transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-900)}
  .btn-ghost:hover{background:rgba(20,101,90,.08);transform:translateY(-1px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand-900);font-size:14px;
    border-bottom:1px dashed var(--brand-500);padding-bottom:2px;
    transition:border-color .18s ease,transform .18s ease;
  }
  .link-arrow:hover{border-bottom-style:solid;transform:translateX(2px)}

  /* ---------- drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(15,59,54,.42);z-index:70;
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:80;
    background:var(--surface);display:flex;flex-direction:column;
    padding:22px 22px 28px;transform:translateX(102%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow:-16px 0 40px -24px rgba(15,59,54,.5);
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
  .drawer-close{
    width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface-alt);
    color:var(--brand-900);display:grid;place-items:center;cursor:pointer;
  }
  .drawer-nav{display:flex;flex-direction:column;gap:4px}
  .drawer-nav a{
    font-family:var(--serif);font-size:19px;color:var(--ink);
    padding:14px 6px;border-bottom:1px solid var(--line);
  }
  .drawer-nav a.active{color:var(--brand-700)}
  .drawer-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px}

  /* ---------- breadcrumb ---------- */
  .crumb{padding:20px 0 0;font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
  .crumb a{color:var(--ink-3)}
  .crumb a:hover{color:var(--brand-700)}
  .crumb .sep{opacity:.6}
  .crumb .current{color:var(--ink-3)}

  /* ---------- article head ---------- */
  .article-head{padding:22px 0 0;max-width:46rem}
  .eyebrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12.5px;color:var(--brand-900);background:rgba(46,140,124,.13);
    border-radius:999px;padding:5px 12px;margin-bottom:16px;
  }
  .article-head h1{
    font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.3;letter-spacing:.01em;
  }
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
    margin-top:18px;font-size:13.5px;color:var(--ink-3);
  }
  .meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
  .head-rule{height:1px;background:var(--line);margin:26px 0 0;max-width:46rem}

  /* ---------- layout ---------- */
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:34px 0 0}
  @media (min-width:1024px){
    .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:56px}
  }
  .article-main{max-width:46rem}

  /* ---------- article body ---------- */
  .article-body{font-size:17px;line-height:1.9;color:var(--ink-2);overflow-wrap:break-word}
  .article-body > *:first-child{margin-top:0}
  .article-body p{margin:0 0 1.25em}
  .article-body h2{
    position:relative;font-size:clamp(22px,2.6vw,29px);font-weight:700;
    margin:1.8em 0 .8em;padding-left:16px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
    border-radius:2px;background:var(--brand-700);
  }
  .article-body h3{font-size:21px;font-weight:700;margin:1.6em 0 .6em}
  .article-body h4{font-size:18px;font-weight:600;margin:1.4em 0 .5em}
  .article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.4em}
  .article-body li{margin-bottom:.5em}
  .article-body ul li::marker{color:var(--brand-500)}
  .article-body ol li::marker{color:var(--brand-700);font-weight:600}
  .article-body a{color:var(--brand-700);border-bottom:1px dashed var(--brand-500)}
  .article-body a:hover{border-bottom-style:solid}
  .article-body blockquote{
    margin:1.6em 0;padding:16px 20px;background:var(--surface-alt);
    border-left:4px solid var(--brand-700);border-radius:0 12px 12px 0;color:var(--ink-2);
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:16px;margin:1.6em auto;box-shadow:var(--shadow-card)}
  .article-body figure{margin:1.6em 0}
  .article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px}
  .article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0;display:block;overflow-x:auto}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
  .article-body th{background:var(--surface-alt);color:var(--ink);font-weight:600}
  .article-body pre{
    background:#12302C;color:#E6EFEA;padding:18px 20px;border-radius:14px;
    overflow-x:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
  }
  .article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.94em}
  .article-body :not(pre) > code{background:var(--surface-alt);padding:2px 6px;border-radius:6px;color:var(--brand-900)}
  .article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}

  .empty-state{
    border:1px dashed var(--line-strong);border-radius:var(--radius-card);
    background:var(--surface);padding:56px 24px;text-align:center;
  }
  .empty-state p{font-family:var(--serif);font-size:20px;color:var(--ink);margin-bottom:14px}

  /* ---------- inline cta ---------- */
  .inline-cta{
    margin:44px auto 0;max-width:36rem;text-align:center;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px 24px;box-shadow:var(--shadow-card);
  }
  .inline-cta strong{display:block;font-family:var(--serif);font-size:19px;color:var(--ink);margin-bottom:8px}
  .inline-cta span{display:block;font-size:14.5px;color:var(--ink-3);margin-bottom:18px}

  /* ---------- sidebar ---------- */
  .sidebar{display:none}
  @media (min-width:1024px){
    .sidebar{display:block;position:sticky;top:92px;align-self:start}
  }
  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-card);margin-bottom:20px;
  }
  .side-card h3{font-size:16px;margin-bottom:14px}
  .toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
  .toc-link{
    display:block;font-size:14px;color:var(--ink-2);padding:7px 10px;border-radius:8px;
    border-left:2px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease;
  }
  .toc-link:hover{background:var(--surface-alt);color:var(--brand-900)}
  .toc-link.is-active{background:rgba(46,140,124,.12);border-left-color:var(--brand-700);color:var(--brand-900)}
  .side-nav{display:flex;flex-direction:column;gap:10px}
  .side-nav a{font-size:14px;color:var(--ink-2)}
  .side-nav a:hover{color:var(--brand-700)}
  .side-note{font-size:13px;color:var(--ink-3);line-height:1.75}

  /* ---------- related ---------- */
  .related{padding:72px 0 0}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
  .section-head h2{font-size:clamp(22px,2.6vw,28px)}
  .section-head p{font-size:14px;color:var(--ink-3);margin-top:6px}
  .card-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:768px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
  .post-card{
    position:relative;display:flex;flex-direction:column;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
    box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
  .post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt)}
  .post-thumb img{width:100%;height:100%;object-fit:cover}
  .post-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
  .badge{
    display:inline-block;align-self:flex-start;font-size:12.5px;
    background:rgba(46,140,124,.13);color:var(--brand-900);
    border-radius:999px;padding:4px 10px;
  }
  .post-body h3{font-size:17px;line-height:1.5}
  .post-body p{font-size:14px;color:var(--ink-3);line-height:1.75}
  .post-body .time{margin-top:auto;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
  .back-line{padding:34px 0 0;font-size:14px}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand-900);color:#E9E4D9;margin-top:80px;padding:64px 0 0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;gap:40px} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr} }
  .footer-brand{
    display:flex;align-items:center;gap:10px;margin-bottom:14px;
    font-family:var(--serif);font-size:17px;font-weight:700;color:#fff;
  }
  .site-footer .brand-mark{background:rgba(255,255,255,.14)}
  .site-footer p{font-size:14px;line-height:1.85;color:#B7C8C3;max-width:34rem}
  .site-footer h4{font-family:var(--sans);font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
  .footer-links{display:flex;flex-direction:column;gap:2px}
  .footer-links a{font-size:14px;line-height:2;color:#C9D6D1;transition:color .18s ease}
  .footer-links a:hover{color:#fff}
  .footer-bottom{
    margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
    padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 24px;
    justify-content:space-between;font-size:13px;color:#9FB4AE;
  }

  @media (max-width:1023px){
    .nav-links,.nav-search{display:none}
    .menu-toggle{display:grid}
    .header-inner{height:56px}
    .sidebar{display:none}
  }
  @media (max-width:767px){
    .article-layout{padding-top:26px;gap:32px}
    .related{padding-top:52px}
    .site-footer{margin-top:56px;padding-top:48px}
    .btn{height:46px}
  }

/* roulang page: category1 */
:root{
  --brand-900:#0F3B36;
  --brand-700:#14655A;
  --brand-500:#2E8C7C;
  --accent-600:#D9532B;
  --accent-400:#E8A33D;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EEEAE1;
  --ink:#16211F;
  --ink-2:#45534F;
  --ink-3:#7C8B87;
  --line:#E3DED3;
  --line-strong:#CFC8B8;
  --ok:#2F8F6B;
  --warn:#C9861F;
  --err:#B23A2E;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:20px;
  --shadow-card:0 1px 2px rgba(15,59,54,.06);
  --shadow-hover:0 14px 32px -14px rgba(15,59,54,.22);
  --shadow-nav:0 2px 10px rgba(15,59,54,.08);
  --sec-space:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC",Georgia,serif;
  color:var(--ink);
  line-height:1.32;
  letter-spacing:.01em;
  margin:0;
  font-weight:700;
}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-900);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.wrap{padding:0 32px;}}
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:var(--sec-space) 0;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,244,238,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.scrolled{
  background:rgba(247,244,238,.98);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-nav);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:64px;
}
@media (max-width:767px){.header-inner{height:56px;gap:12px;}}
.header-left{display:flex;align-items:center;gap:28px;min-width:0;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;
  background:var(--brand-900);color:#F7F4EE;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;font-size:16px;font-weight:700;line-height:1;
}
.logo-text{
  font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;
  color:var(--brand-900);white-space:nowrap;letter-spacing:.02em;
}
@media (max-width:520px){.logo-text{font-size:15px;}}
.nav-links{display:none;align-items:center;gap:26px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;color:var(--ink-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand-700);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-900);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-900);font-weight:500;}
.nav-link.active::after{transform:scaleX(1);}
.header-right{display:flex;align-items:center;gap:12px;}
.search-box{
  display:none;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  color:var(--ink-3);
}
@media (min-width:768px){.search-box{display:inline-flex;}}
.search-box i{font-size:13px;}
.search-box input{
  border:none;background:transparent;outline:none;width:150px;font-size:14px;color:var(--ink-2);
}
.search-box input::placeholder{color:var(--ink-3);}
.header-cta{display:none;}
@media (min-width:768px){.header-cta{display:inline-flex;}}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  background:var(--surface);border:1px solid var(--line);color:var(--brand-900);
  cursor:pointer;
}
.menu-toggle:hover{background:rgba(20,101,90,.08);}
@media (min-width:1024px){.menu-toggle{display:none;}}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,59,54,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,340px);
  background:var(--bg);z-index:90;padding:20px;
  display:flex;flex-direction:column;
  transform:translateX(105%);transition:transform .28s ease;
  box-shadow:-14px 0 40px -20px rgba(15,59,54,.4);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-title{font-size:14px;color:var(--ink-3);letter-spacing:.08em;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;background:var(--surface);
  border:1px solid var(--line);cursor:pointer;color:var(--brand-900);
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:20px 0;flex:1;}
.drawer-link{
  font-family:"Noto Serif SC",serif;font-size:22px;font-weight:500;
  color:var(--ink);padding:12px 14px;border-radius:12px;
}
.drawer-link:hover{background:var(--surface-alt);}
.drawer-link.active{color:var(--brand-900);background:var(--surface);border-left:3px solid var(--brand-700);}
.drawer-cta{width:100%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all .2s ease;
}
.btn-lg{height:48px;padding:0 24px;font-size:16px;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 8px 18px -10px rgba(217,83,43,.75);}
.btn-primary:hover{background:#C2471F;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:rgba(20,101,90,.08);color:var(--brand-900);}
.btn[disabled],.btn.is-disabled{background:#E6E2DA;color:#9A968E;border-color:#E6E2DA;box-shadow:none;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-size:14px;font-weight:500;
  border-bottom:1px dashed var(--brand-700);padding-bottom:2px;
}
.link-arrow:hover{color:var(--brand-900);border-bottom-style:solid;}
.link-arrow:hover i{transform:translateX(2px);}
.link-arrow i{font-size:12px;transition:transform .2s ease;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;line-height:1;font-weight:500;
}
.badge-teal{background:rgba(46,140,124,.14);color:var(--brand-900);}
.badge-amber{background:rgba(232,163,61,.22);color:#7A4C10;}
.badge-line{background:var(--surface);border:1px solid var(--line-strong);color:var(--ink-2);}

/* ============ 面包屑 ============ */
.crumb{padding:18px 0 0;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand-700);}
.crumb .sep{margin:0 8px;color:var(--line-strong);}
.crumb .current{color:var(--ink-3);}

/* ============ Hero ============ */
.cat-hero{position:relative;overflow:hidden;padding:44px 0 64px;background:var(--surface-alt);}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.2;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(247,244,238,.96) 0%,rgba(247,244,238,.86) 46%,rgba(247,244,238,.6) 100%);
}
.cat-hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:56px minmax(0,1fr) 400px;gap:36px;align-items:start;}
}
.hero-rail{display:none;}
@media (min-width:1024px){.hero-rail{display:flex;justify-content:flex-start;padding-top:6px;}}
.rail-text{
  writing-mode:vertical-rl;font-size:13px;letter-spacing:.42em;
  color:var(--brand-700);border-left:2px solid var(--brand-500);
  padding-left:12px;line-height:1;
}
.hero-copy h1{
  font-size:30px;margin:16px 0 14px;max-width:22em;
}
@media (min-width:768px){.hero-copy h1{font-size:38px;}}
@media (min-width:1024px){.hero-copy h1{font-size:44px;}}
.hero-sub{font-size:16px;color:var(--ink-2);max-width:36em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
@media (max-width:520px){.hero-actions .btn{width:100%;}}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.hero-points i{color:var(--brand-500);font-size:14px;}
.hero-media{position:relative;}
.hero-media-frame{
  border-radius:24px;overflow:hidden;background:var(--surface-alt);
  box-shadow:0 22px 46px -26px rgba(15,59,54,.42);
  aspect-ratio:5/4;
}
.hero-media-frame img{width:100%;height:100%;object-fit:cover;}
.hero-media-badge{
  position:absolute;right:16px;bottom:16px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);
  border-radius:14px;padding:10px 14px;font-size:12.5px;color:var(--ink-2);
  box-shadow:var(--shadow-card);
}
.hero-media-badge strong{display:block;font-family:"Noto Serif SC",serif;font-size:18px;color:var(--brand-900);line-height:1.2;}

/* ============ 主体分栏 ============ */
.layout-split{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){.layout-split{grid-template-columns:250px minmax(0,1fr);gap:48px;}}
.anchor-col{display:none;}
@media (min-width:1024px){.anchor-col{display:block;}}
.anchor-card{
  position:sticky;top:88px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-card);
}
.anchor-title{font-size:12.5px;letter-spacing:.14em;color:var(--ink-3);margin-bottom:12px;}
.anchor-link{
  display:block;font-size:14.5px;color:var(--ink-2);
  padding:9px 12px;border-radius:9px;border-left:2px solid transparent;
}
.anchor-link:hover{background:var(--surface-alt);color:var(--brand-900);}
.anchor-link.active{background:rgba(46,140,124,.1);color:var(--brand-900);border-left-color:var(--brand-700);font-weight:500;}
.anchor-cta{width:100%;margin-top:16px;}

.block{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:30px;
  box-shadow:var(--shadow-card);margin-bottom:24px;
  scroll-margin-top:96px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.block:hover{box-shadow:var(--shadow-hover);}
@media (max-width:767px){.block{padding:22px;}}
.block-title{display:flex;align-items:center;gap:10px;font-size:24px;margin-bottom:12px;}
.block-title::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--brand-700);display:inline-block;}
.block-lead{font-size:15.5px;color:var(--ink-2);}
.block h3{font-size:19px;margin:24px 0 10px;}
.block p{font-size:16px;color:var(--ink-2);max-width:46rem;}

/* 步骤清单 */
.step-list{display:grid;grid-template-columns:1fr;gap:14px;margin-top:8px;}
@media (min-width:768px){.step-list{grid-template-columns:1fr 1fr;}}
.step-item{
  display:flex;gap:14px;padding:16px;border-radius:14px;
  background:var(--surface-alt);border:1px solid transparent;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.step-item:hover{border-color:var(--line-strong);background:#fff;transform:translateY(-2px);}
.step-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:rgba(46,140,124,.14);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.step-item h4{font-size:16.5px;margin:0 0 4px;}
.step-item p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.75;}

/* 图文模块 */
.figure-row{
  display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
  padding:22px 0;border-top:1px solid var(--line);
}
.figure-row:first-of-type{border-top:none;padding-top:6px;}
@media (min-width:768px){
  .figure-row{grid-template-columns:300px minmax(0,1fr);gap:32px;}
  .figure-row.reverse .figure-media{order:2;}
  .figure-row.reverse .figure-text{order:1;}
}
.figure-media{
  border-radius:var(--radius-img);overflow:hidden;aspect-ratio:4/3;
  background:var(--surface-alt);border:1px solid var(--line);
}
.figure-media img{width:100%;height:100%;object-fit:cover;}
.figure-text h4{font-size:18px;margin-bottom:8px;}
.figure-text p{font-size:15px;margin-bottom:10px;}

/* 场景标签卡 */
.scene-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:640px){.scene-grid{grid-template-columns:1fr 1fr;}}
.scene-card{
  border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  background:var(--surface);transition:border-color .2s ease,transform .2s ease;
}
.scene-card:hover{border-color:var(--brand-500);transform:translateY(-2px);}
.scene-card h4{font-size:16px;margin-bottom:6px;}
.scene-card p{font-size:14.5px;margin:0;color:var(--ink-2);}

/* 提示条 */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  border-left:4px solid var(--brand-500);background:var(--surface-alt);
  border-radius:0 12px 12px 0;padding:16px 18px;margin-top:16px;
}
.notice i{color:var(--brand-700);font-size:16px;margin-top:4px;}
.notice p{font-size:14.5px;margin:0;}

/* FAQ */
.faq-list{margin-top:6px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 2px;font-size:16px;font-weight:500;color:var(--ink);
  font-family:"Noto Sans SC",sans-serif;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-900);}
.faq-mark{
  flex:0 0 24px;width:24px;height:24px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;transition:transform .2s ease,background .2s ease;
}
.faq-item[open] .faq-mark{background:var(--brand-700);color:#fff;border-color:var(--brand-700);transform:rotate(45deg);}
.faq-answer{padding:0 40px 18px 2px;font-size:15px;color:var(--ink-2);}
.faq-answer p{margin:0;font-size:15px;}

/* CTA 横幅 */
.cta-band{
  background:var(--brand-900);color:#EFEAE0;border-radius:20px;
  padding:36px;display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
  position:relative;overflow:hidden;
}
@media (min-width:1024px){.cta-band{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);padding:44px;gap:44px;}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:rgba(232,163,61,.16);
}
.cta-band h2{color:#FBF8F2;font-size:28px;margin-bottom:10px;}
.cta-band p{color:rgba(251,248,242,.8);font-size:15px;max-width:34rem;margin:0;}
.cta-form{position:relative;z-index:2;background:rgba(255,255,255,.06);border:1px solid rgba(251,248,242,.18);border-radius:16px;padding:20px;}
.cta-form label{display:block;font-size:13px;color:rgba(251,248,242,.7);margin-bottom:8px;}
.cta-form input{
  width:100%;height:44px;border-radius:10px;padding:0 14px;
  background:rgba(255,255,255,.94);border:1px solid transparent;
  color:var(--ink);outline:none;font-size:15px;
}
.cta-form input:focus{border-color:var(--accent-400);box-shadow:0 0 0 3px rgba(232,163,61,.28);}
.cta-form .hint{font-size:12.5px;color:rgba(251,248,242,.6);margin-top:10px;}
.cta-form .btn{width:100%;margin-top:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#E8E3D9;margin-top:64px;padding:56px 0 24px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC",serif;font-size:17px;color:#FBF8F2;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(251,248,242,.14);color:#FBF8F2;}
.site-footer p{color:rgba(232,227,217,.72);font-size:14px;line-height:1.85;max-width:30rem;}
.site-footer h4{color:#FBF8F2;font-size:15px;font-weight:500;margin-bottom:14px;font-family:"Noto Sans SC",sans-serif;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(232,227,217,.72);font-size:14px;}
.footer-links a:hover{color:#FBF8F2;}
.footer-bottom{
  border-top:1px solid rgba(251,248,242,.14);margin-top:40px;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(232,227,217,.6);
}

/* roulang page: category2 */
:root{
    --brand-900:#0F3B36;
    --brand-700:#14655A;
    --brand-500:#2E8C7C;
    --accent-600:#D9532B;
    --accent-400:#E8A33D;
    --bg:#F7F4EE;
    --surface:#FFFFFF;
    --surface-alt:#EEEAE1;
    --ink:#16211F;
    --ink-2:#45534F;
    --ink-3:#7C8B87;
    --line:#E3DED3;
    --line-strong:#CFC8B8;
    --r-card:16px;
    --r-btn:10px;
    --r-img:20px;
    --sh-card:0 1px 2px rgba(15,59,54,.06);
    --sh-hover:0 14px 32px -14px rgba(15,59,54,.22);
    --sec-y:80px;
    --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink-2);
    font-family:var(--sans);
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2{font-family:var(--serif);color:var(--ink);line-height:1.3;letter-spacing:.01em;margin:0;font-weight:700;}
  h3,h4{font-family:var(--sans);color:var(--ink);line-height:1.5;margin:0;font-weight:600;}
  p{margin:0 0 1.25em;}
  p:last-child{margin-bottom:0;}
  a{color:var(--brand-700);text-decoration:none;}
  img{display:block;max-width:100%;}
  ul,ol{margin:0;padding:0;}
  button,input{font-family:inherit;font-size:inherit;}
  :focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:6px;}
  ::selection{background:rgba(46,140,124,.2);}

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

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,244,238,.92);
    backdrop-filter:saturate(180%) blur(10px);
    border-bottom:1px solid transparent;
    transition:background .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .site-header.is-scrolled{
    background:#fff;
    border-bottom-color:var(--line);
    box-shadow:0 2px 10px rgba(15,59,54,.08);
  }
  .header-inner{display:flex;align-items:center;gap:20px;height:64px;}
  .logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:16px;letter-spacing:.01em;white-space:nowrap;}
  .brand-mark{
    width:30px;height:30px;flex:0 0 30px;border-radius:9px;
    background:linear-gradient(140deg,var(--brand-700),var(--brand-900));
    color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;font-family:var(--serif);
  }
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;}
  .nav-link{
    position:relative;padding:8px 12px;font-size:15px;color:var(--ink-2);border-radius:8px;
    transition:color .2s ease,background .2s ease;white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand-700);background:rgba(20,101,90,.07);}
  .nav-link.active{color:var(--brand-900);font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
    background:var(--brand-700);border-radius:2px;
  }
  .header-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
  .search-box{display:flex;align-items:center;gap:6px;height:40px;padding:0 6px 0 12px;border:1px solid var(--line-strong);border-radius:999px;background:#fff;transition:border-color .2s ease;}
  .search-box:focus-within{border-color:var(--brand-500);}
  .search-box input{border:0;outline:0;width:132px;background:transparent;color:var(--ink);font-size:14px;}
  .search-box input::placeholder{color:var(--ink-3);}
  .search-box button{
    height:30px;padding:0 14px;border:0;border-radius:999px;background:var(--brand-900);color:#fff;
    font-size:13px;cursor:pointer;transition:background .2s ease;
  }
  .search-box button:hover{background:var(--brand-700);}
  .nav-cta{
    display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-btn);
    background:var(--accent-600);color:#fff;font-size:14px;font-weight:600;
    transition:background .2s ease,transform .2s ease;
  }
  .nav-cta:hover{background:#BF4420;transform:translateY(-1px);}
  .nav-cta:active{transform:none;}
  .nav-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:10px;
    background:#fff;color:var(--brand-900);align-items:center;justify-content:center;cursor:pointer;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:80;
    background:#fff;box-shadow:-18px 0 40px -20px rgba(15,59,54,.35);
    transform:translateX(105%);transition:transform .28s ease;
    display:flex;flex-direction:column;padding:20px;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
  .drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface-alt);color:var(--ink);cursor:pointer;font-size:18px;line-height:1;}
  .drawer-nav{display:flex;flex-direction:column;}
  .drawer-nav a{
    padding:16px 4px;font-size:18px;color:var(--ink);border-bottom:1px solid var(--line);
    font-family:var(--serif);font-weight:500;
  }
  .drawer-nav a.active{color:var(--brand-700);}
  .drawer-cta{margin-top:auto;display:block;text-align:center;height:48px;line-height:48px;border-radius:var(--r-btn);background:var(--accent-600);color:#fff;font-weight:600;}
  .drawer-mask{position:fixed;inset:0;background:rgba(15,59,54,.42);z-index:70;opacity:0;visibility:hidden;transition:opacity .25s ease;}
  .drawer-mask.open{opacity:1;visibility:visible;}

  /* ---------- hero ---------- */
  .page-hero{position:relative;overflow:hidden;background:var(--brand-900);padding:60px 0 64px;}
  .page-hero-bg{
    position:absolute;inset:0;background-size:cover;background-position:center;
    background-image:url('/assets/images/backpic/back-2.webp');
    opacity:.30;background-color:var(--brand-900);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(15,59,54,.90) 0%,rgba(15,59,54,.78) 60%,rgba(15,59,54,.88) 100%);
  }
  .page-hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center;color:var(--bg);}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
    background:rgba(232,163,61,.92);color:#4A2C07;font-size:13px;font-weight:600;margin-bottom:20px;
  }
  .hero-badge i{width:6px;height:6px;border-radius:50%;background:#4A2C07;display:inline-block;}
  .page-hero h1{color:#fff;font-size:32px;margin-bottom:16px;}
  .hero-sub{font-size:17px;color:rgba(247,244,238,.84);max-width:640px;margin:0 auto 28px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:center;
    margin-top:32px;padding-top:24px;border-top:1px solid rgba(247,244,238,.18);
    font-size:13px;color:rgba(247,244,238,.72);
  }
  .hero-meta span{display:inline-flex;align-items:center;gap:8px;}
  .hero-meta b{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:16px;font-weight:600;cursor:pointer;
    transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--accent-600);color:#fff;}
  .btn-primary:hover{background:#BF4420;transform:translateY(-1px);}
  .btn-primary:active{transform:none;}
  .btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
  .btn-ghost:hover{background:rgba(20,101,90,.08);}
  .hero-actions .btn-ghost{border-color:rgba(247,244,238,.55);color:#F7F4EE;}
  .hero-actions .btn-ghost:hover{background:rgba(247,244,238,.14);}
  .btn-light{background:#fff;color:var(--brand-900);}
  .btn-light:hover{background:#F0EDE5;transform:translateY(-1px);}
  .btn-outline-light{background:transparent;border-color:rgba(247,244,238,.5);color:#F7F4EE;}
  .btn-outline-light:hover{background:rgba(247,244,238,.14);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}

  .text-link{
    color:var(--brand-700);border-bottom:1px dashed var(--brand-500);
    padding-bottom:1px;font-weight:600;transition:border-color .2s ease,color .2s ease;
  }
  .text-link:hover{border-bottom-style:solid;color:var(--brand-900);}

  /* ---------- breadcrumb ---------- */
  .crumbs{padding:18px 0 0;font-size:13px;color:var(--ink-3);}
  .crumbs a{color:var(--ink-3);}
  .crumbs a:hover{color:var(--brand-700);}
  .crumbs .sep{margin:0 8px;color:var(--line-strong);}
  .crumbs .current{color:var(--ink-3);}

  /* ---------- sections ---------- */
  .section{padding:var(--sec-y) 0;}
  .section-alt{background:var(--surface-alt);}
  .section-head{max-width:46rem;margin-bottom:32px;}
  .eyebrow{
    display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--brand-700);
    background:rgba(46,140,124,.12);padding:4px 12px;border-radius:999px;margin-bottom:14px;font-weight:600;
  }
  .section-title{font-size:28px;margin-bottom:14px;}
  .section-lead{font-size:16px;color:var(--ink-2);}

  /* ---------- intro ---------- */
  .intro-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:32px;box-shadow:var(--sh-card);
  }
  .intro-card p{max-width:46rem;}
  .intro-card h3{font-size:18px;margin-bottom:12px;}

  /* ---------- facts ---------- */
  .facts{
    display:grid;grid-template-columns:repeat(4,1fr);
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--sh-card);margin-top:32px;
  }
  .fact{padding:24px;border-left:1px solid var(--line);}
  .fact:first-child{border-left:0;}
  .fact-num{font-size:20px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;margin-bottom:4px;}
  .fact-label{font-size:13px;color:var(--ink-3);}

  /* ---------- points ---------- */
  .points{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
  .point{
    display:flex;gap:16px;padding:22px;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
    transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .point:hover{border-color:var(--brand-500);box-shadow:var(--sh-hover);transform:translateY(-2px);}
  .point-icon{
    width:40px;height:40px;flex:0 0 40px;border-radius:12px;
    background:rgba(46,140,124,.12);color:var(--brand-700);
    display:grid;place-items:center;
  }
  .point h3{font-size:17px;margin-bottom:6px;}
  .point p{font-size:15px;color:var(--ink-2);margin:0;}

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
  .step-num{
    width:40px;height:40px;border-radius:999px;background:var(--brand-900);color:#fff;
    display:grid;place-items:center;font-size:15px;font-weight:700;margin-bottom:16px;
    font-variant-numeric:tabular-nums;
  }
  .step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card);}
  .step h3{font-size:17px;margin-bottom:8px;}
  .step p{font-size:15px;color:var(--ink-2);margin:0;}
  .step-tag{display:inline-block;font-size:12px;color:var(--brand-700);background:rgba(46,140,124,.1);border-radius:999px;padding:2px 10px;margin-bottom:12px;}

  /* ---------- feature rows ---------- */
  .feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px;}
  .feature:last-child{margin-bottom:0;}
  .feature-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--surface-alt);aspect-ratio:4/3;box-shadow:var(--sh-card);}
  .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .feature-media:hover img{transform:scale(1.03);}
  .feature-body h2{font-size:24px;margin-bottom:14px;}
  .feature-body p{font-size:16px;}
  .feature-list{list-style:none;margin:16px 0 0;padding:0;}
  .feature-list li{position:relative;padding-left:20px;margin-bottom:10px;font-size:15px;color:var(--ink-2);}
  .feature-list li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-500);}
  .feature.reverse .feature-media{order:2;}
  .feature-badge{
    display:inline-block;font-size:12px;font-weight:600;color:#4A2C07;background:rgba(232,163,61,.35);
    border-radius:999px;padding:3px 12px;margin-bottom:12px;
  }

  /* ---------- faq ---------- */
  .faq{max-width:46rem;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);}
  .faq details{border-bottom:1px solid var(--line);}
  .faq details:last-child{border-bottom:0;}
  .faq summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 24px;font-size:16px;font-weight:600;color:var(--ink);
    cursor:pointer;list-style:none;transition:background .2s ease;
  }
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary:hover{background:rgba(46,140,124,.05);}
  .faq summary::after{
    content:"+";font-size:20px;line-height:1;color:var(--brand-500);font-weight:400;
    transition:transform .2s ease,color .2s ease;
  }
  .faq details[open] summary::after{content:"−";color:var(--accent-600);}
  .faq-body{padding:0 24px 20px;font-size:15px;color:var(--ink-2);}
  .faq-body p{margin:0;}

  /* ---------- cta ---------- */
  .cta-banner{
    background:var(--brand-900);border-radius:20px;padding:44px;
    display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;color:#F7F4EE;
    box-shadow:0 20px 46px -30px rgba(15,59,54,.65);
  }
  .cta-banner h2{color:#fff;font-size:26px;margin-bottom:12px;}
  .cta-banner p{margin:0;font-size:15px;color:rgba(247,244,238,.8);}
  .cta-actions{
    display:flex;flex-direction:column;gap:12px;padding-left:32px;
    border-left:1px solid rgba(247,244,238,.18);
  }
  .cta-actions .btn{width:100%;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand-900);color:rgba(247,244,238,.78);padding:64px 0 28px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
  .site-footer .brand-mark{background:rgba(247,244,238,.14);}
  .site-footer p{font-size:14px;line-height:1.9;color:rgba(247,244,238,.7);margin:0;max-width:32rem;}
  .site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:rgba(247,244,238,.72);transition:color .2s ease;}
  .footer-links a:hover{color:#fff;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(247,244,238,.14);
    font-size:13px;color:rgba(247,244,238,.6);
  }

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    :root{--sec-y:64px;}
    .search-box{display:none;}
    .feature{gap:32px;margin-bottom:48px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:980px){
    .nav-links{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav-cta{display:none;}
  }
  @media (max-width:767px){
    :root{--sec-y:48px;}
    body{font-size:16px;line-height:1.8;}
    .page-hero{padding:44px 0 48px;}
    .page-hero h1{font-size:27px;}
    .hero-sub{font-size:15px;}
    .hero-actions{flex-direction:column;}
    .hero-actions .btn{width:100%;}
    .section-title{font-size:23px;}
    .facts{grid-template-columns:1fr 1fr;}
    .fact{border-left:0;border-top:1px solid var(--line);}
    .fact:nth-child(-n+2){border-top:0;}
    .fact:nth-child(even){border-left:1px solid var(--line);}
    .points{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .feature{grid-template-columns:1fr;gap:20px;}
    .feature.reverse .feature-media{order:0;}
    .feature-body h2{font-size:21px;}
    .intro-card{padding:22px;}
    .cta-banner{grid-template-columns:1fr;padding:28px;}
    .cta-actions{padding-left:0;border-left:0;border-top:1px solid rgba(247,244,238,.18);padding-top:22px;}
    .cta-banner h2{font-size:22px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:520px){
    .header-inner{height:58px;gap:12px;}
    .logo{font-size:15px;}
    .facts{grid-template-columns:1fr;}
    .fact:nth-child(even){border-left:0;}
    .fact:nth-child(2){border-top:1px solid var(--line);}
    .faq summary{padding:16px 18px;font-size:15px;}
    .faq-body{padding:0 18px 18px;}
  }