/* roulang page: index */
:root{
  --ink:#12564A;
  --ink-deep:#0C3F36;
  --ink-soft:rgba(18,86,74,.08);
  --clay:#C4643B;
  --clay-deep:#A9502C;
  --clay-soft:rgba(196,100,59,.12);
  --bg:#F7F3EC;
  --card:#FFFCF6;
  --band:#F1EBE0;
  --dark:#14201C;
  --text:#23211D;
  --muted:#6B675F;
  --line:rgba(35,33,29,.10);
  --ok:#2F7D5B;
  --warn:#B4453A;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(27,26,23,.06);
  --sh-2:0 14px 30px -14px rgba(27,26,23,.22);
  --sect:88px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif 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%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sect) 0}
.section--tight{padding:56px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:30px}
.section-desc{color:var(--muted);font-size:15px;margin-top:10px;max-width:620px;line-height:1.8}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--clay);font-weight:600}
.textlink{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:500;font-size:15px}
.textlink .arrow{transition:transform .2s ease}
.textlink:hover .arrow{transform:translateX(3px)}
.textlink:hover{color:var(--ink-deep)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:none}
.btn-outline{border-color:rgba(18,86,74,.32);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-sm{height:38px;padding:0 14px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,243,236,.94);
  backdrop-filter:saturate(1.1) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .2s ease}
.site-header.scrolled .nav-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:.02em;
  font-family:var(--sans);
}
.logo-text{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--text)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;display:block;padding:9px 12px;border-radius:8px;
  font-size:15px;color:#3D3A33;transition:color .18s ease,background .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;bottom:1px;height:2px;width:0;
  background:var(--clay);border-radius:2px;transition:width .2s ease;
}
.main-nav a:hover{color:var(--ink);background:var(--ink-soft)}
.main-nav a:hover::after{width:60%}
.main-nav a.active{color:var(--ink);font-weight:600}
.main-nav a.active::after{width:60%}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-link{font-size:14px;color:var(--muted);transition:color .18s ease}
.nav-link:hover{color:var(--clay)}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);
  align-items:center;justify-content:center;padding:0;
}
.burger span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger span+span{margin-top:4px}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:70;background:var(--bg);
  display:none;flex-direction:column;padding:20px 20px 28px;
}
.mobile-drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--card);font-size:18px;color:var(--ink)}
.drawer-nav{display:flex;flex-direction:column;padding:16px 0;gap:2px;flex:1;overflow:auto}
.drawer-nav a{padding:14px 4px;font-size:18px;border-bottom:1px solid var(--line);color:var(--text)}
.drawer-nav a:last-child{border-bottom:0}
.drawer-foot{padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.drawer-foot .btn{width:100%}

/* Hero */
.hero{position:relative;overflow:hidden;padding:58px 0 72px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(35,33,29,.07) 1px,transparent 1px);
  background-size:18px 18px;
  -webkit-mask-image:linear-gradient(115deg,rgba(0,0,0,.55),transparent 62%);
  mask-image:linear-gradient(115deg,rgba(0,0,0,.55),transparent 62%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,100,59,.16),rgba(196,100,59,0) 66%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;min-height:560px}
.hero-copy{max-width:520px}
.hero h1{font-size:44px;line-height:1.18;margin:14px 0 16px}
.hero-sub{font-size:16px;line-height:1.8;color:var(--muted);max-width:460px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;font-size:13px;color:var(--muted)}
.hero-facts span{display:inline-flex;align-items:center;gap:8px}
.hero-facts span+span::before{content:"·";color:rgba(35,33,29,.3)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px;box-shadow:var(--sh-2)}
.hero-badge{
  position:absolute;right:16px;bottom:16px;background:rgba(20,32,28,.92);color:#F3EEE4;
  border-radius:8px;padding:8px 12px;font-size:12px;letter-spacing:.04em;
}
.hero-badge b{font-family:var(--serif);font-size:14px;font-weight:600;margin-right:4px}

/* HUD 数据 */
.hud{
  background:var(--dark);border-radius:20px;padding:32px;color:#EDE7DC;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  box-shadow:var(--sh-2);
}
.hud-item{border-left:1px solid rgba(237,231,220,.16);padding-left:20px}
.hud-item:first-child{border-left:0;padding-left:0}
.hud-num{font-family:var(--serif);font-size:30px;line-height:1.2;font-variant-numeric:tabular-nums;color:#F6F1E7}
.hud-num small{font-size:14px;font-family:var(--sans);color:rgba(237,231,220,.7);margin-left:2px}
.hud-label{margin-top:6px;font-size:13px;color:rgba(237,231,220,.66);line-height:1.6}

/* 分类入口 chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-badge);
  border:1px solid var(--line);background:var(--card);
  font-size:14px;color:#3D3A33;transition:all .18s ease;
}
.chip:hover{border-color:rgba(18,86,74,.35);color:var(--ink);background:var(--ink-soft)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.is-active:hover{background:var(--ink-deep);color:#fff}

/* 商品卡 */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;box-shadow:var(--sh-1);
}
.product-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-media{position:relative;overflow:hidden;background:var(--band)}
.card-media img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .2s ease}
.product-card:hover .card-media img{transform:scale(1.03)}
.badge-cat{
  position:absolute;top:12px;left:12px;background:rgba(255,252,246,.95);
  color:var(--ink);border-radius:var(--r-badge);padding:4px 9px;font-size:12px;font-weight:500;
}
.badge-hot{
  position:absolute;top:12px;right:12px;background:var(--ink);color:#fff;
  border-radius:var(--r-badge);padding:4px 9px;font-size:12px;
}
.card-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-size:16px;font-weight:600;line-height:1.5;font-family:var(--sans);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-note{font-size:13px;color:var(--muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-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}
.price{font-variant-numeric:tabular-nums;font-weight:600;font-size:20px;color:var(--ink);font-family:var(--serif)}
.price .cur{font-size:13px;margin-right:2px;font-family:var(--sans)}

/* 对比面板 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);box-shadow:var(--sh-1)}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:15px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--ink-soft);color:var(--ink);font-family:var(--sans);font-weight:600;font-size:14px;letter-spacing:.01em}
tbody tr:nth-child(even){background:rgba(241,235,224,.45)}
tbody tr:last-child td{border-bottom:0}
td:first-child{color:var(--muted);font-size:14px;white-space:nowrap}
.col-rec{background:rgba(196,100,59,.07)}
th.col-rec{background:rgba(196,100,59,.14);color:var(--clay-deep)}
.tag-rec{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:var(--r-badge);background:var(--clay);color:#fff;font-size:11px;font-weight:500;vertical-align:middle}
.cell-ok{color:var(--ok);font-weight:500}
.cell-no{color:var(--muted)}

/* 路径图 */
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.path-step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.path-step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.path-num{
  width:34px;height:34px;border-radius:8px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;
}
.path-step h3{font-size:17px;margin:14px 0 8px;font-family:var(--sans);font-weight:600}
.path-step p{font-size:14px;color:var(--muted);line-height:1.7}

/* 评价 */
.reviews-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;
}
.reviews-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--sh-1);
}
.stars{color:var(--clay);letter-spacing:3px;font-size:14px}
.review-text{font-size:15px;line-height:1.8;color:#3D3A33;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.reviewer{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--ink-soft);color:var(--ink);display:grid;place-items:center;font-weight:600;font-size:14px;flex:0 0 38px}
.reviewer-name{font-size:14px;font-weight:600;line-height:1.4}
.reviewer-role{font-size:13px;color:var(--muted);line-height:1.4}
.dots{display:flex;gap:8px;justify-content:center;margin-top:22px}
.dot{width:8px;height:8px;border-radius:50%;border:0;padding:0;background:rgba(35,33,29,.18);transition:all .2s ease}
.dot.active{width:24px;border-radius:4px;background:var(--clay)}

/* 保障条 */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.assure{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.assure svg{width:28px;height:28px;stroke:var(--ink);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.assure h3{font-size:15px;margin:14px 0 6px;font-family:var(--sans);font-weight:600}
.assure p{font-size:13px;color:var(--muted);line-height:1.7}

/* 资讯 CMS */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;display:flex;flex-direction:column;gap:10px;min-height:206px;
  transition:transform .2s ease,box-shadow .2s ease;box-shadow:var(--sh-1);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-badge{
  display:inline-block;align-self:flex-start;padding:4px 9px;border-radius:var(--r-badge);
  background:var(--ink-soft);color:var(--ink);font-size:12px;font-weight:500;
}
.post-title{font-size:17px;line-height:1.55;font-family:var(--sans);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-ex{font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-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:13px;color:var(--muted);
}
.post-foot .arrow{color:var(--ink);transition:transform .2s ease}
.post-card:hover .post-foot .arrow{transform:translateX(3px)}
.empty-state{
  grid-column:1/-1;border:1px dashed rgba(35,33,29,.16);border-radius:var(--r-card);
  min-height:220px;display:grid;place-items:center;text-align:center;color:var(--muted);
  padding:32px 20px;
}
.empty-state svg{width:32px;height:32px;stroke:rgba(35,33,29,.32);stroke-width:1.6;fill:none;margin:0 auto 10px}
.empty-state strong{display:block;font-size:16px;color:var(--text);font-weight:600;margin-bottom:6px;font-family:var(--sans)}
.empty-state span{font-size:13px}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:18px 2px;text-align:left;
  font-size:16px;font-weight:500;color:var(--text);transition:color .18s ease;
}
.faq-q:hover{color:var(--ink)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--clay);border-radius:2px;transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.open .faq-a{max-height:280px}
.faq-a p{padding:0 2px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* CTA */
.cta-band{
  background:var(--dark);border-radius:20px;padding:48px;color:#EDE7DC;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:30px;color:#F6F1E7}
.cta-band .eyebrow{color:var(--clay)}
.cta-band p{color:rgba(237,231,220,.72);font-size:15px;line-height:1.85;margin-top:12px;max-width:420px}
.cta-punk{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px;font-size:13px;color:rgba(237,231,220,.6)}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:13px;margin-bottom:6px;color:rgba(237,231,220,.75)}
.form-field input,.form-field textarea{
  width:100%;height:48px;border-radius:var(--r-btn);
  border:1px solid rgba(237,231,220,.24);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:15px;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.form-field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(237,231,220,.4)}
.form-field input:focus,.form-field textarea:focus{
  outline:none;border-color:var(--clay);background:rgba(196,100,59,.10);
  box-shadow:0 0 0 2px rgba(196,100,59,.28);
}
.form-tip{font-size:13px;color:rgba(237,231,220,.5);margin-top:10px}
.form-tip.ok{color:#8FD3B4}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(237,231,220,.78);margin-top:var(--sect);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(237,231,220,.14);color:#F6F1E7}
.footer-brand span{font-family:var(--serif);font-size:18px;color:#F6F1E7}
.footer-desc{font-size:14px;line-height:1.85;max-width:320px;color:rgba(237,231,220,.64)}
.site-footer h4{font-family:var(--sans);font-size:14px;font-weight:600;color:rgba(237,231,220,.7);margin-bottom:14px;letter-spacing:.02em}
.footer-links li{line-height:2}
.footer-links a{font-size:14px;color:rgba(237,231,220,.86);transition:color .18s ease}
.footer-links a:hover{color:var(--clay)}
.footer-contact li{font-size:14px;line-height:1.9;color:rgba(237,231,220,.72)}
.footer-contact strong{color:#F6F1E7;font-weight:500}
.footer-bottom{
  border-top:1px solid rgba(237,231,220,.14);margin-top:44px;padding:20px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,231,220,.5);
}

/* 响应式 */
@media (max-width:1180px){
  .main-nav a{padding:9px 9px;font-size:14px}
  .nav-actions .nav-link{display:none}
}
@media (max-width:1024px){
  :root{--sect:72px}
  .hero h1{font-size:38px}
  .hero-grid{gap:32px;min-height:auto}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .posts-grid{grid-template-columns:repeat(2,1fr)}
  .path-grid{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .hud{grid-template-columns:repeat(2,1fr);gap:22px;padding:26px}
  .hud-item:nth-child(3){border-left:0;padding-left:0}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:820px){
  .main-nav{display:none}
  .nav-actions{display:none}
  .burger{display:inline-flex;margin-left:auto}
  .section-head{align-items:flex-start}
}
@media (max-width:768px){
  :root{--sect:56px}
  .container{padding:0 20px}
  .hero{padding:40px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-copy{max-width:100%}
  .hero h1{font-size:32px;line-height:1.24}
  .hero-sub{font-size:15px}
  .hero-media img{aspect-ratio:4/3}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .posts-grid{grid-template-columns:1fr}
  .review-card{flex:0 0 84%}
  .section-head h2{font-size:23px}
  .hud{grid-template-columns:repeat(2,1fr)}
  .hud-num{font-size:26px}
  .cta-band h2{font-size:24px}
  .site-footer{margin-top:56px;padding-top:48px}
}
@media (max-width:520px){
  .product-grid{grid-template-columns:1fr}
  .path-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-badge{right:12px;bottom:12px}
  .card-body{padding:16px}
  .hud{padding:22px;gap:18px}
  .hud-item{padding-left:16px}
  .cta-band{padding:26px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --ink:#12564A;
  --ink-dark:#0C3F36;
  --ink-soft:rgba(18,86,74,.08);
  --clay:#C4643B;
  --clay-dark:#A9502C;
  --clay-soft:rgba(196,100,59,.12);
  --bg:#F7F3EC;
  --surface:#FFFCF6;
  --band:#F1EBE0;
  --deep:#14201C;
  --text:#23211D;
  --muted:#6B675F;
  --line:rgba(35,33,29,.10);
  --line-strong:rgba(35,33,29,.16);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(27,26,23,.06);
  --sh-2:0 14px 30px -14px rgba(27,26,23,.22);
  --container:1240px;
  --font-head:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","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;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;letter-spacing:-0.01em;margin:0;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,236,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(247,243,236,.98);}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .22s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-head);font-size:14px;font-weight:600;letter-spacing:.02em;
}
.brand-text{font-family:var(--font-head);font-size:19px;font-weight:600;letter-spacing:-0.01em;color:var(--ink-dark);}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;display:inline-block;padding:9px 12px;border-radius:8px;
  font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:auto;bottom:2px;height:2px;width:0;
  background:var(--clay);border-radius:2px;transition:width .22s ease;
}
.main-nav a:hover{color:var(--ink-dark);background:var(--ink-soft);}
.main-nav a:hover::after,.main-nav a.active::after{width:38%;}
.main-nav a.active{color:var(--ink-dark);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.nav-quiet{font-size:14px;color:var(--muted);font-weight:500;}
.nav-quiet:hover{color:var(--clay);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;background:var(--surface);
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink-dark);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-dark);border-radius:2px;transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{transform:rotate(45deg);}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(-90deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-90deg);opacity:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--clay);color:#fff;box-shadow:0 1px 2px rgba(27,26,23,.10);}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;color:var(--ink);border-color:rgba(18,86,74,.42);}
.btn-outline:hover{background:var(--ink-soft);border-color:var(--ink);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-light{background:rgba(255,255,255,.10);color:#F4EFE6;border-color:rgba(244,239,230,.28);}
.btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn:disabled{opacity:.4;transform:none;box-shadow:none;cursor:not-allowed;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover{color:var(--clay);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 文章头部 ---------- */
.article-head{
  position:relative;
  padding:36px 0 40px;
  background:
    radial-gradient(620px 300px at 88% 8%, rgba(196,100,59,.08), transparent 70%),
    linear-gradient(180deg,var(--bg) 0%,#F4EFE6 100%);
  border-bottom:1px solid var(--line);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--clay);}
.crumbs .sep{color:rgba(35,33,29,.28);}
.crumbs .current{color:var(--text);font-weight:500;}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:22px;padding:6px 14px;border-radius:var(--r-badge);
  background:var(--ink-soft);color:var(--ink-dark);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.cat-pill:hover{background:rgba(18,86,74,.14);color:var(--ink-dark);}
.article-title{
  margin-top:18px;font-size:36px;line-height:1.25;max-width:900px;color:var(--ink-dark);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--muted);
}
.article-meta .dot{color:rgba(35,33,29,.26);}
.article-meta .strong{color:var(--text);font-weight:500;}
.head-rule{margin-top:26px;height:1px;background:var(--line);}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 0;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 240px;
  gap:56px;justify-content:center;align-items:start;
}
.prose{
  font-size:17px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
.prose > * + *{margin-top:1.1em;}
.prose p{font-size:17px;line-height:1.9;}
.prose h2{
  position:relative;margin-top:2em;margin-bottom:.6em;
  padding-left:18px;font-size:28px;line-height:1.35;color:var(--ink-dark);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;background:var(--clay);border-radius:2px;
}
.prose h3{margin-top:1.6em;margin-bottom:.5em;font-size:20px;line-height:1.5;color:var(--ink-dark);}
.prose h4{margin-top:1.4em;font-size:17px;color:var(--ink-dark);}
.prose a{color:var(--ink);text-decoration:underline;text-decoration-color:rgba(18,86,74,.35);text-underline-offset:3px;}
.prose a:hover{color:var(--clay);}
.prose strong{font-weight:600;color:var(--ink-dark);}
.prose ul,.prose ol{margin:1.1em 0;padding-left:4px;}
.prose ul li{position:relative;padding-left:22px;margin:.5em 0;}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--clay);
}
.prose ol{counter-reset:li;padding-left:0;}
.prose ol li{position:relative;padding-left:28px;margin:.5em 0;counter-increment:li;}
.prose ol li::before{
  content:counter(li);position:absolute;left:0;top:.22em;
  width:20px;height:20px;border-radius:4px;background:var(--clay-soft);color:var(--clay-dark);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.prose blockquote{
  margin:1.5em 0;padding:20px 20px 20px 22px;
  background:var(--band);border-left:3px solid var(--clay);border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:#3B3830;font-size:16px;line-height:1.85;
}
.prose blockquote p{margin:0;font-size:16px;}
.prose img{border-radius:12px;margin:1.6em 0 .6em;box-shadow:var(--sh-1);}
.prose figure{margin:1.6em 0;}
.prose figure img{margin-bottom:.6em;}
.prose figcaption{font-size:13px;line-height:1.7;color:var(--muted);text-align:center;}
.prose table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:1.6em 0;
  border:1px solid var(--line);border-radius:12px;
}
.prose thead th{
  background:var(--ink-soft);color:var(--ink-dark);font-weight:600;
  text-align:left;padding:12px 16px;white-space:nowrap;
  font-family:var(--font-body);
}
.prose tbody td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:top;}
.prose tbody tr:nth-child(odd){background:var(--surface);}
.prose tbody tr:nth-child(even){background:var(--bg);}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* ---------- 侧边目录 ---------- */
.toc{
  position:sticky;top:100px;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);padding:20px;box-shadow:var(--sh-1);
}
.toc-title{
  font-family:var(--font-body);font-size:13px;font-weight:600;
  letter-spacing:.12em;color:var(--clay);text-transform:uppercase;margin-bottom:12px;
}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;padding:7px 10px 7px 12px;border-left:3px solid transparent;
  font-size:14px;line-height:1.55;color:var(--muted);
}
.toc a:hover{color:var(--ink-dark);background:var(--bg);}
.toc a.is-active{border-left-color:var(--clay);color:var(--ink-dark);font-weight:600;background:var(--bg);}
.toc.lvl3 a{padding-left:26px;font-size:13px;}
.toc-empty{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- 文末 ---------- */
.story-end{margin-top:48px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag-chip{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-badge);
  border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--muted);
}
.tag-chip:hover{border-color:rgba(196,100,59,.45);color:var(--clay);background:var(--clay-soft);}
.end-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;}
.empty-box{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:var(--surface);padding:56px 24px;text-align:center;
}
.empty-box svg{color:rgba(35,33,29,.28);margin-bottom:14px;}
.empty-box h3{font-size:20px;margin-bottom:8px;color:var(--ink-dark);}
.empty-box p{font-size:14px;color:var(--muted);margin-bottom:20px;}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:30px;line-height:1.3;color:var(--ink-dark);}
.section-head p{margin-top:8px;font-size:15px;color:var(--muted);max-width:640px;}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--clay);
}

/* ---------- 相关推荐卡 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,86,74,.24);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--band);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{display:flex;flex-direction:column;flex:1;padding:20px;}
.post-badge{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);background:var(--ink-soft);color:var(--ink-dark);
  font-size:12px;font-weight:600;letter-spacing:.03em;margin-bottom:12px;
}
.post-title{
  font-size:18px;line-height:1.5;color:var(--ink-dark);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-desc{
  margin-top:10px;font-size:13px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);
}
.post-foot .arrow{color:var(--clay);display:inline-flex;transition:transform .2s ease;}
.post-card:hover .post-foot .arrow{transform:translateX(3px);}

/* ---------- 保障条 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.guard{
  display:flex;gap:14px;padding:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.guard svg{flex-shrink:0;color:var(--ink);margin-top:2px;}
.guard h4{font-family:var(--font-body);font-size:15px;font-weight:600;color:var(--ink-dark);}
.guard p{margin-top:4px;font-size:13px;line-height:1.65;color:var(--muted);}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--deep) 0%,#1B2C26 100%);
  border-radius:20px;padding:48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,100,59,.22),transparent 70%);
}
.cta-copy{position:relative;z-index:1;max-width:600px;}
.cta-copy .eyebrow{color:#E79B76;}
.cta-copy h2{font-size:28px;line-height:1.35;color:#F6F2E9;}
.cta-copy p{margin-top:10px;font-size:15px;line-height:1.7;color:rgba(246,242,233,.72);}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:10px;}
.cta-side small{font-size:13px;color:rgba(246,242,233,.6);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#EDE8DE;padding:64px 0 0;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-size:19px;font-weight:600;color:#F6F2E9;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(237,232,222,.66);max-width:300px;}
.site-footer h4{
  font-family:var(--font-body);font-size:14px;font-weight:600;
  color:rgba(246,242,233,.72);letter-spacing:.04em;margin-bottom:16px;
}
.footer-links li,.footer-contact li{line-height:2;}
.footer-links a{font-size:14px;color:rgba(237,232,222,.86);}
.footer-links a:hover{color:var(--clay);}
.footer-contact li{font-size:14px;color:rgba(237,232,222,.66);}
.footer-contact strong{color:#F6F2E9;font-weight:500;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0;border-top:1px solid rgba(246,242,233,.12);
  font-size:13px;color:rgba(237,232,222,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc{display:none;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1024px){
  .main-nav a{padding:8px 9px;font-size:14px;}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-title{font-size:32px;}
  .prose h2{font-size:25px;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;left:0;right:0;top:76px;bottom:0;z-index:55;
    margin:0;padding:20px 24px 96px;
    background:var(--bg);border-top:1px solid var(--line);
    overflow-y:auto;display:none;
  }
  .main-nav.is-open{display:block;}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;}
  .main-nav li + li{border-top:1px solid var(--line);}
  .main-nav a{display:block;padding:16px 4px;font-size:18px;color:var(--text);border-radius:0;}
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--orange,#C4643B);color:var(--clay);}
  .nav-quiet{display:none;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .article-head{padding:26px 0 30px;}
  .article-title{font-size:28px;line-height:1.3;}
  .article-main{padding:40px 0 0;}
  .prose,.prose p{font-size:16px;line-height:1.85;}
  .prose h2{font-size:22px;padding-left:14px;}
  .prose h2::before{height:18px;}
  .post-grid{grid-template-columns:minmax(0,1fr);}
  .guard-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .cta-copy h2{font-size:22px;}
  .section-head h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:48px;margin-top:56px;}
}
@media (max-width:520px){
  .brand-text{font-size:17px;}
  .header-inner{gap:12px;}
  .nav-actions .btn{height:40px;padding:0 14px;font-size:14px;}
  .article-title{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .end-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink:#12564A;
  --ink-deep:#0C3F36;
  --ink-soft:rgba(18,86,74,.08);
  --clay:#C4643B;
  --clay-deep:#A9502C;
  --clay-soft:rgba(196,100,59,.12);
  --bg:#F7F3EC;
  --surface:#FFFCF6;
  --surface-2:#F1EBE0;
  --dark:#14201C;
  --dark-2:#1B2A25;
  --text:#23211D;
  --muted:#6B675F;
  --line:rgba(35,33,29,.10);
  --ok:#2F7D5B;
  --warn:#B4453A;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(27,26,23,.06);
  --sh-2:0 14px 30px -14px rgba(27,26,23,.22);
  --w:1240px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Microsoft YaHei",serif;
  --sans:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.28;color:var(--text);}
p{margin:0;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,236,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,padding .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:76px;transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:8px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--sans);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.brand-name{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.01em;color:var(--ink-deep);}
.main-nav ul{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:#4A4740;transition:color .18s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:60%;
  background:var(--clay);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.main-nav a:hover{color:var(--ink-deep);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink-deep);font-weight:500;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-deep);border-radius:2px;position:relative;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-deep);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink-deep);border:1px solid rgba(18,86,74,.42);}
.btn-ghost:hover{background:var(--ink-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink);font-weight:500;}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
.btn:disabled,.link-arrow[aria-disabled="true"]{opacity:.4;pointer-events:none;}

/* ===== breadcrumb ===== */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.breadcrumb a{color:var(--muted);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--clay-deep);}
.breadcrumb .sep{color:rgba(35,33,29,.28);}
.breadcrumb .current{color:var(--text);font-weight:500;}

/* ===== hero ===== */
.cat-hero{padding:30px 0 0;}
.cat-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--clay-deep);font-weight:600;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--clay);border-radius:2px;}
.cat-hero h1{
  margin-top:14px;font-size:44px;line-height:1.18;letter-spacing:-.015em;max-width:14em;
}
.cat-hero h1 em{font-style:normal;color:var(--clay-deep);}
.hero-lead{margin-top:16px;font-size:16px;color:var(--muted);max-width:38em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:22px;font-size:13px;color:var(--muted);}
.hero-trust li{display:flex;align-items:center;gap:7px;}
.hero-trust li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--clay);flex-shrink:0;}
.hero-visual{display:flex;flex-direction:column;gap:16px;}
.hero-photo{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.hero-photo img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-photo .tag-float{
  position:absolute;right:14px;bottom:14px;
  background:rgba(20,32,28,.86);color:#F3EDE2;
  font-size:12px;letter-spacing:.06em;padding:7px 12px;border-radius:var(--r-badge);
}
.hud{
  background:var(--dark);border-radius:var(--r-card);padding:20px 22px;color:#EDE7DA;
  box-shadow:var(--sh-1);
}
.hud-title{font-size:12px;letter-spacing:.14em;color:rgba(237,231,218,.62);margin-bottom:14px;}
.hud-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.hud-item{border-left:2px solid var(--clay);padding-left:12px;}
.hud-num{font-family:var(--mono);font-size:22px;font-weight:600;color:#fff;letter-spacing:-.01em;line-height:1.2;}
.hud-num small{font-size:12px;margin-left:2px;color:rgba(237,231,218,.7);font-weight:400;}
.hud-label{font-size:12px;color:rgba(237,231,218,.66);margin-top:4px;}

/* ===== filter chips ===== */
.filter-bar{padding:44px 0 0;}
.filter-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px;}
.filter-head h2{font-size:22px;}
.filter-head .hint{font-size:13px;color:var(--muted);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  min-height:38px;padding:0 16px;border-radius:8px;
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:#4A4740;transition:all .18s ease;
}
.chip:hover{border-color:rgba(18,86,74,.4);color:var(--ink-deep);}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:500;}

/* ===== product grid ===== */
.cat-section{padding:28px 0 88px;}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:6px;}
.p-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.p-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,86,74,.22);}
.p-media{position:relative;overflow:hidden;background:var(--surface-2);}
.p-media img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .2s ease;}
.p-card:hover .p-media img{transform:scale(1.03);}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:1.5;padding:4px 9px;border-radius:var(--r-badge);
  background:rgba(20,32,28,.82);color:#F5EFE4;letter-spacing:.03em;
}
.p-media .badge{position:absolute;top:12px;left:12px;}
.badge-hot{background:var(--clay);color:#fff;left:auto !important;right:12px;}
.badge-ink{background:var(--ink-soft);color:var(--ink-deep);}
.p-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;gap:8px;}
.p-title{font-family:var(--serif);font-size:17px;line-height:1.4;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.8em;}
.p-desc{font-size:13px;line-height:1.6;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.p-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.price{font-family:var(--sans);font-weight:600;color:var(--clay-deep);font-size:18px;font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.price .cur{font-size:12px;margin-right:2px;font-weight:500;}
.price .suffix{font-size:12px;color:var(--muted);font-weight:400;margin-left:2px;}
.p-foot .btn{white-space:nowrap;}

/* ===== pagination ===== */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap;}
.pager button,.pager a{
  min-width:40px;height:40px;padding:0 12px;border-radius:8px;
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:#4A4740;display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease;font-variant-numeric:tabular-nums;
}
.pager button:hover,.pager a:hover{border-color:rgba(18,86,74,.4);color:var(--ink-deep);}
.pager .is-current{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.pager .is-disabled{opacity:.4;pointer-events:none;}

/* ===== section heading ===== */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:30px;line-height:1.25;}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:8px;}

/* ===== FAQ ===== */
.faq-section{padding:0 0 88px;}
.faq-grid{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:30px;}
.faq-aside p{margin-top:12px;font-size:14px;color:var(--muted);}
.faq-aside .btn{margin-top:22px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:500;color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--ink-deep);}
.faq-icon{position:relative;width:22px;height:22px;flex-shrink:0;border:1px solid var(--clay);border-radius:6px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--clay);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;transition:opacity .2s ease,transform .2s ease;}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a p{padding:0 46px 20px 0;font-size:15px;line-height:1.9;color:var(--muted);}

/* ===== CTA ===== */
.cta-section{padding:0 0 88px;}
.cta-box{
  background:var(--dark);border-radius:20px;padding:48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  color:#EDE7DA;position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,100,59,.28),rgba(196,100,59,0) 68%);
  pointer-events:none;
}
.cta-box h2{color:#FFF9EF;font-size:30px;position:relative;z-index:1;}
.cta-box p{margin-top:10px;font-size:14px;color:rgba(237,231,218,.72);max-width:34em;position:relative;z-index:1;}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:10px;}
.cta-actions .note{font-size:12px;color:rgba(237,231,218,.6);}

/* ===== footer ===== */
.site-footer{background:var(--dark);color:#EDE7DA;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:18px;font-weight:600;color:#FFF9EF;}
.footer-brand .logo-mark{background:#22352E;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(237,231,218,.66);max-width:26em;}
.site-footer h4{font-size:14px;font-weight:600;color:rgba(237,231,218,.72);margin-bottom:14px;font-family:var(--sans);letter-spacing:.02em;}
.footer-links li,.footer-contact li{font-size:14px;line-height:2;color:rgba(237,231,218,.84);}
.footer-links a{transition:color .18s ease;}
.footer-links a:hover{color:var(--clay);}
.footer-contact strong{font-weight:500;color:#FFF9EF;}
.footer-bottom{
  border-top:1px solid rgba(237,231,218,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(237,231,218,.5);
}

/* ===== responsive ===== */
@media (max-width:1280px){
  .product-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero h1{font-size:38px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .product-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .header-inner{height:64px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    background:var(--bg);border-top:1px solid var(--line);
    padding:18px 20px 96px;overflow-y:auto;
    display:none;
  }
  .main-nav.is-open{display:block;}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;}
  .main-nav li{border-bottom:1px solid var(--line);}
  .main-nav a{display:block;padding:16px 0;font-size:18px;}
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--clay-deep);}
  .cat-hero h1{font-size:30px;line-height:1.26;}
  .cat-hero{padding-top:20px;}
  .hud-metrics{grid-template-columns:1fr;}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .cat-section,.faq-section,.cta-section{padding-bottom:56px;}
  .section-head h2,.faq-aside h2,.cta-box h2{font-size:22px;}
  .cta-box{padding:28px;}
  .filter-bar{padding-top:32px;}
  .p-body{padding:14px;}
  .p-title{font-size:16px;}
  .p-foot{flex-direction:column;align-items:flex-start;gap:10px;}
  .p-foot .btn{width:100%;}
}
@media (max-width:520px){
  .product-grid{grid-template-columns:1fr;}
  .p-media img{aspect-ratio:16/11;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-trust{flex-direction:column;gap:6px;}
  .hero-actions .btn{width:100%;}
  .pager button,.pager a{min-width:36px;height:36px;font-size:13px;}
}

/* roulang page: category2 */
:root{
  --ink:#12564A;
  --ink-deep:#0C3F36;
  --ink-soft:rgba(18,86,74,.08);
  --clay:#C4643B;
  --clay-deep:#A9502C;
  --clay-soft:rgba(196,100,59,.12);
  --paper:#F7F3EC;
  --card:#FFFCF6;
  --soft:#F1EBE0;
  --dark:#14201C;
  --text:#23211D;
  --muted:#6B675F;
  --line:rgba(35,33,29,.10);
  --line-strong:rgba(35,33,29,.16);
  --ok:#2F7D5B;
  --warn:#B4453A;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(27,26,23,.06);
  --sh-2:0 14px 30px -14px rgba(27,26,23,.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%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--clay);
  font-weight:500;
  text-transform:uppercase;
  margin-bottom:14px;
}
.h2{font-size:30px;line-height:1.27}
.lead{color:var(--muted);font-size:16px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head p{color:var(--muted);font-size:15px;max-width:560px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,236,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,height .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{
  height:76px;display:flex;align-items:center;gap:32px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:8px;
  background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:14px;font-weight:600;letter-spacing:.02em;
}
.brand-name{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink-deep)}
.main-nav{margin-left:8px}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav a{
  position:relative;display:inline-block;
  font-size:15px;color:#3D3A34;line-height:76px;
  transition:color .18s ease;
}
.site-header.is-scrolled .main-nav a{line-height:64px}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:18px;height:2px;width:0;
  background:var(--clay);transition:width .2s ease;
}
.main-nav a:hover{color:var(--ink-deep)}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.main-nav a.active{color:var(--ink-deep);font-weight:500}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.link-quiet{font-size:14px;color:var(--muted);transition:color .18s ease}
.link-quiet:hover{color:var(--clay)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.4;pointer-events:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line-strong);align-items:center;justify-content:center;
  background:var(--card);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-deep);position:relative;transition:.2s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-deep);transition:.2s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------- breadcrumb ---------- */
.crumbs{padding:26px 0 0;font-size:14px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li::after{content:"/";margin-left:8px;color:var(--line-strong)}
.crumbs li:last-child::after{content:""}
.crumbs a{transition:color .18s ease}
.crumbs a:hover{color:var(--clay)}
.crumbs li:last-child{color:var(--text)}

/* ---------- hero ---------- */
.cat-hero{padding:32px 0 20px}
.cat-hero h1{
  font-size:44px;line-height:1.18;max-width:900px;
}
.cat-hero h1 .line2{display:block;color:var(--ink)}
.cat-hero .hero-note{
  margin-top:20px;max-width:720px;color:var(--muted);font-size:16px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-badge);
  background:var(--ink-soft);color:var(--ink-deep);
  font-size:12px;letter-spacing:.04em;
}
.tag--clay{background:var(--clay-soft);color:var(--clay-deep)}

/* ---------- split layout ---------- */
.split{
  display:grid;grid-template-columns:5fr 7fr;gap:32px;
  align-items:start;padding:8px 0 0;
}
.split-aside{position:sticky;top:100px}
.aside-figure{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-1);background:var(--soft);
}
.aside-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px}
.aside-figure .figure-badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(20,32,28,.86);color:#fff;
  padding:8px 14px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.06em;
  display:flex;align-items:center;gap:8px;
}
.aside-meta{
  margin-top:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;
}
.aside-meta h3{font-size:16px;margin-bottom:10px}
.aside-meta ul li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);padding:9px 0;border-bottom:1px dashed var(--line);
}
.aside-meta ul li:last-child{border-bottom:0;padding-bottom:0}
.aside-meta ul li strong{color:var(--text);font-weight:500}

/* ---------- product rows ---------- */
.rows{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.rows-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:var(--soft);border-bottom:1px solid var(--line);
}
.rows-head h2{font-size:19px}
.rows-head span{font-size:13px;color:var(--muted)}
.row{
  display:grid;grid-template-columns:88px 1fr auto;
  gap:18px;align-items:center;
  padding:20px 22px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.row:last-child{border-bottom:0}
.row:hover{background:#FFFDF8}
.row-thumb{width:88px;height:88px;border-radius:12px;overflow:hidden;background:var(--soft);flex-shrink:0}
.row-thumb img{width:100%;height:100%;object-fit:cover;border-radius:12px;transition:transform .2s ease}
.row:hover .row-thumb img{transform:scale(1.04)}
.row-body h3{font-size:17px;line-height:1.4;margin-bottom:6px}
.row-body p{font-size:13px;color:var(--muted);line-height:1.6}
.row-spec{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.spec{
  font-size:12px;color:var(--ink-deep);background:var(--ink-soft);
  padding:2px 8px;border-radius:4px;
}
.row-side{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.price{
  font-family:var(--serif);font-size:20px;color:var(--ink-deep);
  font-variant-numeric:tabular-nums;
}
.price small{font-size:12px;color:var(--muted);font-family:var(--sans);margin-left:4px;font-weight:400}
.price .cur{font-size:13px;margin-right:2px;color:var(--muted)}
.row-side .btn{white-space:nowrap}

/* ---------- stats (dark HUD) ---------- */
.hud{
  margin-top:56px;
  background:var(--dark);border-radius:20px;
  padding:40px;color:#EDE7DC;
  position:relative;overflow:hidden;
}
.hud::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:rgba(196,100,59,.14);filter:blur(8px);
}
.hud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.hud-item .num{
  font-family:var(--serif);font-size:34px;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.hud-item .num em{font-style:normal;font-size:16px;color:var(--clay);margin-left:4px}
.hud-item p{font-size:13px;color:rgba(237,231,220,.66);margin-top:8px;line-height:1.6}

/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.assure{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;transition:box-shadow .2s ease,transform .2s ease;
}
.assure:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.assure .ico{
  width:28px;height:28px;color:var(--ink);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.assure h3{font-size:15px;margin-bottom:6px}
.assure p{font-size:13px;color:var(--muted);line-height:1.65}

/* ---------- path ---------- */
.path{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:8px;position:relative;
}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;
}
.step .idx{
  width:34px;height:34px;border-radius:8px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:14px;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.7}
.step ul{margin-top:14px;display:grid;gap:8px}
.step li{font-size:13px;color:var(--text);display:flex;gap:8px;align-items:flex-start}
.step li::before{
  content:"";width:6px;height:6px;background:var(--clay);border-radius:1px;
  margin-top:8px;flex-shrink:0;
}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:500;color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--ink)}
.faq-ico{
  position:relative;width:18px;height:18px;flex-shrink:0;
  border:1.6px solid var(--clay);border-radius:4px;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--clay);transition:transform .2s ease,opacity .2s ease;
}
.faq-ico::before{left:50%;top:4px;width:1.6px;height:8px;transform:translateX(-50%)}
.faq-ico::after{top:50%;left:4px;height:1.6px;width:8px;transform:translateY(-50%)}
.faq-item.open .faq-ico::before{opacity:0;transform:translateX(-50%) rotate(90deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease;
}
.faq-a p{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--muted);max-width:720px}

/* ---------- cta ---------- */
.cta-band{
  background:var(--dark);border-radius:20px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  color:#F2ECE0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:280px;height:280px;
  border-radius:50%;background:rgba(196,100,59,.12);
}
.cta-band h2{font-size:28px;color:#fff;max-width:520px;position:relative;z-index:1}
.cta-band p{margin-top:12px;font-size:14px;color:rgba(242,236,224,.72);max-width:480px;position:relative;z-index:1}
.cta-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px;position:relative;z-index:1}
.cta-right .micro{font-size:12px;color:rgba(242,236,224,.6)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#EDE7DC;padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-family:var(--serif);font-size:18px;color:#fff}
.footer-desc{font-size:14px;color:rgba(237,231,220,.66);line-height:1.8;max-width:320px}
.site-footer h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.7);margin-bottom:14px;font-family:var(--sans)}
.footer-links li,.footer-contact li{font-size:14px;line-height:2}
.footer-links a{color:#EDE7DC;transition:color .18s ease}
.footer-links a:hover{color:var(--clay)}
.footer-contact li{color:rgba(237,231,220,.72)}
.footer-contact strong{color:#fff;font-weight:500}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,231,220,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .split{grid-template-columns:1fr}
  .split-aside{position:static}
  .aside-figure img{aspect-ratio:16/10}
  .hud-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .path{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .link-quiet{display:none}
  .nav-open .main-nav{
    display:block;position:fixed;left:0;right:0;top:76px;bottom:0;
    background:var(--paper);padding:24px;overflow:auto;
    border-top:1px solid var(--line);
  }
  .nav-open .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav-open .main-nav a{line-height:1.4;font-size:18px;padding:18px 0;border-bottom:1px solid var(--line);display:block}
  .nav-open .main-nav a::after{display:none}
  .nav-open .main-nav a.active{color:var(--clay-deep)}
  .cat-hero h1{font-size:34px}
  .section{padding:56px 0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .cta-right{align-items:flex-start}
  .hud{padding:28px}
}
@media (max-width:720px){
  .container{padding:0 20px}
  .cat-hero h1{font-size:28px;line-height:1.3}
  .h2{font-size:22px}
  .row{grid-template-columns:72px 1fr;gap:14px;padding:18px}
  .row-thumb{width:72px;height:72px}
  .row-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .assure-grid{grid-template-columns:1fr}
  .hud-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-band h2{font-size:22px}
  .site-footer{margin-top:56px}
}
@media (max-width:480px){
  .row-side .btn{height:36px;padding:0 14px;font-size:13px}
  .price{font-size:18px}
  .hud-grid{grid-template-columns:1fr}
  .hero-tags{gap:8px}
}

/* roulang page: category3 */
:root{
  --ink:#12564A;
  --ink-deep:#0C3F36;
  --ink-soft:rgba(18,86,74,.08);
  --clay:#C4643B;
  --clay-deep:#A9502C;
  --clay-soft:rgba(196,100,59,.12);
  --bg:#F7F3EC;
  --surface:#FFFCF6;
  --surface-2:#F1EBE0;
  --dark:#14201C;
  --dark-soft:#1D2C27;
  --text:#23211D;
  --muted:#6B675F;
  --line:rgba(35,33,29,.10);
  --line-strong:rgba(35,33,29,.16);
  --radius-sm:6px;
  --radius:10px;
  --radius-md:16px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(27,26,23,.06);
  --shadow-2:0 14px 30px -14px rgba(27,26,23,.22);
  --container:1240px;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--clay);
  font-weight:600;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;
  background:var(--clay);
  display:inline-block;
}
.section{padding:88px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-title{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.28;
  letter-spacing:-.01em;
  font-weight:600;
  color:var(--ink-deep);
  margin-top:12px;
}
.section-sub{
  color:var(--muted);
  font-size:15px;
  max-width:560px;
  margin-top:12px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--radius);
  font-size:15px;
  font-weight:500;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .18s ease, background-color .18s ease, color .18s ease, box-shadow .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--clay);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:0 12px 24px -14px rgba(169,80,44,.6)}
.btn-primary:active{transform:none;box-shadow:var(--shadow-1)}
.btn-outline{
  border-color:var(--ink);
  color:var(--ink);
  background:transparent;
}
.btn-outline:hover{background:var(--ink-soft);transform:translateY(-2px)}
.btn-outline:active{transform:none}
.btn-quiet{
  color:var(--ink);
  padding:13px 8px;
  font-size:15px;
}
.btn-quiet:hover{color:var(--clay)}
.btn.on-dark{
  background:var(--clay);
  color:#fff;
}
.btn.on-dark:hover{background:var(--clay-deep)}
.btn[disabled]{opacity:.4;pointer-events:none;transform:none}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--ink);
  font-size:14.5px;
  font-weight:500;
  border-bottom:1px solid transparent;
  transition:color .18s ease;
}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover{color:var(--clay)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(247,243,236,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:76px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--serif);
  font-size:17px;
  font-weight:600;
  color:var(--ink-deep);
  letter-spacing:-.01em;
  flex:none;
}
.logo-mark{
  width:34px;height:34px;
  border-radius:8px;
  background:var(--ink);
  color:#fff;
  display:grid;
  place-items:center;
  font-family:var(--sans);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--muted);
  transition:color .18s ease;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:2px;
  background:var(--clay);
  transform:translateX(-50%);
  transition:width .2s ease;
  border-radius:2px;
}
.main-nav a:hover{color:var(--text)}
.main-nav a.active{color:var(--ink-deep);font-weight:600}
.main-nav a.active::after{width:60%}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
  flex:none;
}
.header-actions .btn{padding:11px 18px;font-size:14.5px}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  align-items:center;
  justify-content:center;
  background:var(--surface);
  margin-left:auto;
}
.nav-toggle span{
  display:block;
  width:18px;height:1.6px;
  background:var(--ink-deep);
  border-radius:2px;
  position:relative;
  transition:background .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:1.6px;
  background:var(--ink-deep);
  border-radius:2px;
  transition:transform .2s ease, top .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:95;
  background:var(--bg);
  padding:20px 24px 120px;
  display:flex;
  flex-direction:column;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease, transform .22s ease, visibility .22s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-close{
  width:44px;height:44px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  padding:18px 4px;
  font-size:18px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--ink-deep);font-weight:600}
.drawer-cta{
  position:fixed;
  left:24px;right:24px;bottom:24px;
  width:auto;
}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--muted);
}
.crumbs a{color:var(--muted);transition:color .18s ease}
.crumbs a:hover{color:var(--clay)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--text)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 76px;
  background:
    radial-gradient(circle at 90% 8%, rgba(196,100,59,.09), transparent 44%),
    radial-gradient(circle at 4% 92%, rgba(18,86,74,.07), transparent 40%),
    var(--bg);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.04fr .96fr;
  gap:56px;
  align-items:center;
  margin-top:32px;
}
.hero-copy h1{
  font-family:var(--serif);
  font-size:44px;
  line-height:1.18;
  letter-spacing:-.01em;
  font-weight:600;
  color:var(--ink-deep);
  margin-top:16px;
}
.hero-copy h1 em{font-style:normal;color:var(--clay)}
.hero-lead{
  margin-top:18px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--muted);
  max-width:520px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:26px;
  font-size:13px;
  color:var(--muted);
}
.hero-facts span{display:inline-flex;align-items:center;gap:10px}
.hero-facts span::after{content:"·";color:var(--line-strong)}
.hero-facts span:last-child::after{content:""}

.hero-figure{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:5/4;
}
.hero-figure img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:var(--radius-lg);
}
.hero-figure .hero-badge{
  position:absolute;
  right:18px;
  bottom:18px;
  background:rgba(20,32,28,.86);
  color:#F3EEE5;
  border-radius:var(--radius-sm);
  padding:8px 14px;
  font-size:12px;
  letter-spacing:.08em;
  border:1px solid rgba(255,255,255,.16);
}

/* ---------- 交错图文 ---------- */
.zigzag{border-top:1px solid var(--line)}
.zrow{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
  padding:72px 0;
  border-bottom:1px solid var(--line);
}
.zrow.is-reverse .zmedia{order:2}
.zmedia{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  aspect-ratio:4/3;
  background:var(--surface-2);
}
.zmedia img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.zmedia:hover img{transform:scale(1.03)}
.zcopy h2{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.3;
  letter-spacing:-.01em;
  font-weight:600;
  color:var(--ink-deep);
  margin-top:14px;
}
.zcopy p{
  margin-top:14px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  max-width:520px;
}
.zpoints{
  margin-top:24px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.zpoints li{
  display:grid;
  grid-template-columns:22px 1fr;
  gap:14px;
  align-items:start;
  font-size:15px;
  color:var(--text);
  line-height:1.7;
}
.zpoints .num{
  width:22px;height:22px;
  border-radius:var(--radius-sm);
  background:var(--clay-soft);
  color:var(--clay-deep);
  font-size:12px;
  font-weight:600;
  display:grid;
  place-items:center;
  margin-top:2px;
  font-variant-numeric:tabular-nums;
}
.zcopy .link-arrow{margin-top:26px}

/* ---------- 深色数据面板 ---------- */
.hud-wrap{padding:8px 0 88px}
.hud{
  background:var(--dark);
  border-radius:var(--radius-lg);
  padding:48px;
  color:#F2EDE4;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  position:relative;
  overflow:hidden;
}
.hud::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(196,100,59,.22),transparent 68%);
  pointer-events:none;
}
.hud-item{position:relative;z-index:1}
.hud-num{
  font-family:var(--serif);
  font-size:36px;
  line-height:1.1;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  color:#FBF7EF;
}
.hud-num small{
  font-size:15px;
  font-family:var(--sans);
  color:var(--clay);
  margin-left:4px;
  font-weight:600;
}
.hud-label{
  margin-top:10px;
  font-size:13.5px;
  color:rgba(242,237,228,.62);
  line-height:1.6;
}
.hud-note{
  grid-column:1/-1;
  margin-top:8px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(242,237,228,.55);
}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.step-num{
  font-family:var(--serif);
  font-size:14px;
  letter-spacing:.12em;
  color:var(--clay);
  font-weight:600;
}
.step-card h3{
  margin-top:14px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-deep);
}
.step-card p{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}

/* ---------- 评价轮播 ---------- */
.reviews{background:var(--surface-2)}
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:10px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.review-card{
  scroll-snap-align:start;
  flex:0 0 calc((100% - 40px)/3);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:18px;
  box-shadow:var(--shadow-1);
  min-height:230px;
}
.stars{display:flex;gap:4px;color:var(--clay)}
.review-quote{
  font-size:15.5px;
  line-height:1.85;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.review-person{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:12px;
  padding-top:8px;
  border-top:1px solid var(--line);
}
.avatar{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--ink-soft);
  color:var(--ink-deep);
  display:grid;
  place-items:center;
  font-size:14px;
  font-weight:600;
  flex:none;
}
.review-person .who{font-size:14.5px;font-weight:600;color:var(--ink-deep)}
.review-person .role{font-size:13px;color:var(--muted)}
.dots{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:28px;
}
.dot{
  width:8px;height:8px;
  border-radius:4px;
  background:rgba(35,33,29,.18);
  transition:width .22s ease, background-color .22s ease;
  padding:0;
}
.dot.is-active{width:24px;background:var(--clay)}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:.85fr 1.5fr;
  gap:56px;
  align-items:start;
}
.faq-intro p{
  margin-top:16px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:22px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--ink-deep);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--clay)}
.faq-sign{
  position:relative;
  width:20px;height:20px;
  flex:none;
  border:1px solid var(--clay);
  border-radius:4px;
}
.faq-sign::before,
.faq-sign::after{
  content:"";
  position:absolute;
  background:var(--clay);
  transition:transform .2s ease, opacity .2s ease;
}
.faq-sign::before{left:4px;right:4px;top:8.4px;height:1.4px}
.faq-sign::after{top:4px;bottom:4px;left:8.4px;width:1.4px}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a p{
  padding:0 32px 24px 4px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 88px}
.cta-band{
  background:var(--dark);
  border-radius:var(--radius-lg);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  color:#F3EEE5;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-60px;bottom:-90px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(196,100,59,.20),transparent 70%);
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{
  font-family:var(--serif);
  font-size:29px;
  line-height:1.3;
  font-weight:600;
  letter-spacing:-.01em;
  color:#FBF7EF;
}
.cta-copy p{
  margin-top:12px;
  font-size:15px;
  color:rgba(243,238,229,.7);
  max-width:520px;
}
.cta-side{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:12px;
  flex:none;
}
.cta-side .note{
  font-size:12.5px;
  color:rgba(243,238,229,.58);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:#EDE7DC;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--serif);
  font-size:17px;
  font-weight:600;
  color:#FBF7EF;
}
.footer-brand .logo-mark{background:var(--ink)}
.footer-desc{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.9;
  color:rgba(237,231,220,.6);
  max-width:300px;
}
.site-footer h4{
  font-size:14px;
  font-weight:600;
  color:rgba(237,231,220,.72);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links li,
.footer-contact li{
  font-size:14px;
  line-height:2;
  color:rgba(237,231,220,.86);
}
.footer-links a{transition:color .18s ease}
.footer-links a:hover{color:var(--clay)}
.footer-contact strong{font-weight:500;color:#FBF7EF}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(237,231,220,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-copy h1{font-size:40px}
}

@media (max-width:1024px){
  .main-nav{display:none}
  .header-actions{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:16px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy h1{font-size:36px}
  .hero-lead{max-width:none}
  .zrow{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .zrow.is-reverse .zmedia{order:0}
  .hud{grid-template-columns:repeat(2,1fr);padding:40px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .cta-band{flex-direction:column;align-items:flex-start;gap:28px;padding:40px}
  .cta-side{align-items:flex-start}
}

@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero{padding:36px 0 52px}
  .hero-copy h1{font-size:30px;line-height:1.28}
  .hero-lead{font-size:15.5px}
  .section-title{font-size:23px}
  .zcopy h2{font-size:23px}
  .zcopy p{font-size:15px}
  .hero-facts{font-size:12.5px;gap:8px}
  .review-card{flex:0 0 84%}
  .hud{padding:32px 24px;gap:24px}
  .hud-num{font-size:30px}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .cta-copy h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-figure{aspect-ratio:4/3}
  .zmedia{aspect-ratio:16/10}
}

@media (max-width:520px){
  .hero-copy h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .hud{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .faq-q{font-size:15px;padding:18px 2px}
  .faq-a p{padding-right:8px}
  .cta-side .btn{width:100%}
  .hero-figure .hero-badge{right:12px;bottom:12px;font-size:11px;padding:6px 10px}
}

/* roulang page: category4 */
:root{
  --ink:#12564A;
  --ink-deep:#0C3F36;
  --ink-soft:rgba(18,86,74,.08);
  --clay:#C4643B;
  --clay-deep:#A9502C;
  --clay-soft:rgba(196,100,59,.12);
  --bg:#F7F3EC;
  --surface:#FFFCF6;
  --line-soft:#F1EBE0;
  --dark:#14201C;
  --text:#23211D;
  --muted:#6B675F;
  --line:rgba(35,33,29,.10);
  --ok:#2F7D5B;
  --warn:#B4453A;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --r-xs:6px;
  --shadow-1:0 1px 2px rgba(27,26,23,.06);
  --shadow-2:0 14px 30px -14px rgba(27,26,23,.22);
  --font-head:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:600;
  letter-spacing:-0.01em;
  margin:0;
  color:var(--text);
}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:var(--r-xs);}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--tight{padding:60px 0;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--clay);
  font-weight:600;
  text-transform:uppercase;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:30px;line-height:1.28;}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:620px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  line-height:1;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--clay-deep);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(18,86,74,.4);}
.btn-ghost:hover{background:var(--ink-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--ink);
}
.link-arrow span{transition:transform .2s ease;display:inline-block;}
.link-arrow:hover span{transform:translateX(3px);}
.link-arrow:hover{color:var(--clay-deep);}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,243,236,.92);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:76px;
  transition:height .2s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;
  border-radius:8px;
  background:var(--ink);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  font-family:var(--font-body);
}
.logo-text{
  font-family:var(--font-head);
  font-size:18px;
  font-weight:600;
  color:var(--ink-deep);
}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--muted);
  font-weight:500;
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:60%;
  height:2px;
  background:var(--clay);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.main-nav a:hover{color:var(--text);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink-deep);}
.main-nav a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.nav-actions .link-arrow{font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface);
  align-items:center;
  justify-content:center;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink-deep);stroke-width:1.6;fill:none;stroke-linecap:round;}
.nav-toggle .icon-close{display:none;}
body.nav-open .nav-toggle .icon-open{display:none;}
body.nav-open .nav-toggle .icon-close{display:block;}

/* 移动抽屉 */
.mobile-drawer{
  display:none;
  position:fixed;
  inset:76px 0 0 0;
  background:var(--bg);
  z-index:55;
  padding:24px 24px 120px;
  overflow-y:auto;
}
.mobile-drawer ul{display:flex;flex-direction:column;}
.mobile-drawer li{border-bottom:1px solid var(--line);}
.mobile-drawer a{
  display:block;
  padding:16px 0;
  font-size:18px;
  color:var(--text);
  font-family:var(--font-head);
}
.mobile-drawer a.active{color:var(--clay-deep);}
.mobile-drawer .drawer-cta{
  position:fixed;
  left:24px;right:24px;bottom:24px;
}
.mobile-drawer .btn{width:100%;}
body.nav-open .mobile-drawer{display:block;}

/* ===== 面包屑 ===== */
.breadcrumb{
  padding:28px 0 0;
  font-size:14px;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--clay-deep);}
.breadcrumb .sep{color:rgba(35,33,29,.3);}
.breadcrumb .current{color:var(--text);font-weight:500;}

/* ===== Hero ===== */
.compare-hero{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:48px 0 72px;
}
.compare-hero h1{
  font-size:44px;
  line-height:1.18;
  margin:16px 0 20px;
}
.compare-hero h1 em{
  font-style:normal;
  color:var(--ink);
  box-shadow:inset 0 -10px 0 var(--clay-soft);
}
.compare-hero .lead{
  font-size:16px;
  color:var(--muted);
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  margin-top:24px;
  font-size:13px;
  color:var(--muted);
}
.hero-trust span{display:inline-flex;align-items:center;gap:6px;}
.hero-trust svg{width:16px;height:16px;stroke:var(--ink);stroke-width:1.6;fill:none;}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--line-soft);
}
.hero-media img{
  width:100%;
  aspect-ratio:5/4;
  object-fit:cover;
  border-radius:20px;
}
.hero-badge{
  position:absolute;
  right:18px;
  bottom:18px;
  background:var(--dark);
  color:#F7F3EC;
  border-radius:var(--r-sm);
  padding:12px 16px;
  font-size:13px;
  line-height:1.5;
  box-shadow:var(--shadow-2);
}
.hero-badge strong{
  display:block;
  font-family:var(--font-head);
  font-size:20px;
  font-weight:600;
  color:#fff;
}

/* ===== 指标条 ===== */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-bottom:8px;
}
.metric{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.metric .num{
  font-family:var(--font-head);
  font-size:30px;
  line-height:1.1;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.metric .num small{font-size:15px;margin-left:2px;font-family:var(--font-body);}
.metric .label{
  margin-top:8px;
  font-size:14px;
  font-weight:500;
  color:var(--text);
}
.metric .desc{font-size:13px;color:var(--muted);margin-top:2px;}

/* ===== 对比表 ===== */
.compare-block{
  background:var(--dark);
  color:#EFEDE6;
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.compare-block::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(196,100,59,.22),transparent 68%);
  pointer-events:none;
}
.compare-block .section-head h2{color:#fff;}
.compare-block .section-head p{color:rgba(247,243,236,.68);}
.compare-block .eyebrow{color:#E6A17C;}
.tier-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(247,243,236,.72);
  border:1px solid rgba(247,243,236,.22);
  border-radius:var(--r-xs);
  padding:6px 12px;
  margin-bottom:24px;
}
.table-shell{
  background:var(--surface);
  border-radius:var(--r-lg);
  border:1px solid rgba(247,243,236,.16);
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.table-scroll{overflow-x:auto;}
table.compare-table{
  width:100%;
  min-width:820px;
  border-collapse:collapse;
  color:var(--text);
  font-size:15px;
}
.compare-table caption{
  caption-side:top;
  text-align:left;
  padding:20px 24px 6px;
  font-size:13px;
  color:var(--muted);
}
.compare-table thead th{
  background:var(--line-soft);
  padding:20px 20px 18px;
  text-align:left;
  font-family:var(--font-head);
  font-size:17px;
  font-weight:600;
  color:var(--ink-deep);
  border-bottom:1px solid var(--line);
  vertical-align:bottom;
}
.compare-table thead th:first-child{
  font-family:var(--font-body);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--muted);
}
.compare-table thead th .col-price{
  display:block;
  margin-top:6px;
  font-family:var(--font-body);
  font-size:13px;
  font-weight:500;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.compare-table tbody th{
  text-align:left;
  padding:16px 20px;
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  background:var(--surface);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.compare-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  color:var(--text);
}
.compare-table tbody tr:nth-child(even) th,
.compare-table tbody tr:nth-child(even) td{background:#FBF7F0;}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table .col-best{background:rgba(18,86,74,.06);}
.compare-table tbody tr:nth-child(even) .col-best{background:rgba(18,86,74,.09);}
.compare-table .best-tag{
  display:inline-block;
  margin-bottom:8px;
  background:var(--clay);
  color:#fff;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  border-radius:var(--r-xs);
  padding:3px 10px;
  font-family:var(--font-body);
}
.cell-ok{color:var(--ok);font-weight:500;}
.cell-warn{color:var(--muted);}

/* ===== 推荐卡 ===== */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.plan-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,86,74,.28);}
.plan-card .thumb{overflow:hidden;}
.plan-card .thumb img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:0;
  transition:transform .3s ease;
}
.plan-card:hover .thumb img{transform:scale(1.03);}
.plan-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.plan-title{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.plan-title h3{font-size:20px;}
.badge{
  display:inline-block;
  font-size:12px;
  line-height:1.5;
  padding:3px 10px;
  border-radius:var(--r-xs);
  font-weight:500;
  letter-spacing:.04em;
  white-space:nowrap;
}
.badge-ink{background:var(--ink-soft);color:var(--ink-deep);}
.badge-clay{background:var(--clay-soft);color:var(--clay-deep);}
.plan-desc{font-size:14px;color:var(--muted);}
.plan-price{
  font-family:var(--font-head);
  font-size:26px;
  color:var(--ink-deep);
  font-variant-numeric:tabular-nums;
}
.plan-price small{
  font-family:var(--font-body);
  font-size:13px;
  color:var(--muted);
  margin-left:4px;
  font-weight:400;
}
.plan-list{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.plan-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text);
}
.plan-list svg{
  width:18px;height:18px;flex-shrink:0;margin-top:3px;
  stroke:var(--ink);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;
}
.plan-body .btn{margin-top:auto;width:100%;}

/* ===== FAQ ===== */
.faq-wrap{display:grid;grid-template-columns:0.8fr 1.2fr;gap:56px;align-items:start;}
.faq-wrap h2{font-size:30px;line-height:1.3;}
.faq-wrap .faq-intro{margin-top:12px;color:var(--muted);font-size:15px;max-width:340px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  background:none;
  border:none;
  padding:20px 44px 20px 0;
  text-align:left;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  position:relative;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--ink-deep);}
.faq-q::after,
.faq-q::before{
  content:"";
  position:absolute;
  right:8px;
  top:50%;
  background:var(--clay);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-q::before{width:14px;height:2px;transform:translateY(-50%);}
.faq-q::after{width:2px;height:14px;transform:translate(-6px,-50%);}
.faq-item.open .faq-q::after{opacity:0;transform:translate(-6px,-50%) rotate(90deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a p{
  padding:0 44px 22px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.faq-item.open .faq-a{max-height:320px;}

/* ===== 咨询表单 ===== */
.consult{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:56px;
  align-items:start;
}
.consult h2{font-size:30px;line-height:1.3;}
.consult .consult-lead{margin-top:14px;color:var(--muted);font-size:15px;max-width:400px;}
.consult-points{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.consult-points li{display:flex;gap:12px;font-size:14px;color:var(--text);}
.consult-points svg{
  width:20px;height:20px;flex-shrink:0;margin-top:2px;
  stroke:var(--clay);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;
}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--muted);font-weight:500;}
.field input,
.field select,
.field textarea{
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border:2px solid var(--clay);
  background:rgba(196,100,59,.06);
  padding:0 13px;
}
.field textarea:focus{padding:11px 13px;}
.field .hint{font-size:12px;color:var(--muted);}
.form-card .btn{width:100%;margin-top:20px;}
.form-tip{font-size:12px;color:var(--muted);margin-top:12px;text-align:center;}

/* ===== CTA ===== */
.cta-block{
  background:var(--dark);
  border-radius:20px;
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-block h2{color:#fff;font-size:28px;line-height:1.3;}
.cta-block p{color:rgba(247,243,236,.7);font-size:15px;margin-top:10px;max-width:520px;}
.cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:10px;}
.cta-side .small{font-size:13px;color:rgba(247,243,236,.6);}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark);
  color:#EFEDE6;
  padding:64px 0 28px;
  margin-top:88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-head);
  font-size:18px;
  font-weight:600;
  color:#fff;
}
.footer-brand .logo-mark{background:var(--clay);}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:rgba(247,243,236,.62);
  max-width:320px;
}
.site-footer h4{
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  color:rgba(247,243,236,.7);
  margin-bottom:12px;
}
.footer-links li,
.footer-contact li{
  font-size:14px;
  line-height:2;
  color:rgba(247,243,236,.86);
}
.footer-links a{color:rgba(247,243,236,.86);transition:color .2s ease;}
.footer-links a:hover{color:var(--clay);}
.footer-contact strong{font-weight:500;color:#fff;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(247,243,236,.14);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,243,236,.5);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .compare-hero{grid-template-columns:1fr;gap:36px;padding:36px 0 56px;}
  .compare-hero h1{font-size:38px;}
  .hero-media img{aspect-ratio:16/9;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .consult{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .nav-inner{height:64px;gap:16px;}
  .main-nav,.nav-actions .link-arrow{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions{margin-left:auto;}
  .nav-actions .btn{height:40px;padding:0 16px;font-size:14px;}
  .compare-hero h1{font-size:30px;line-height:1.25;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .compare-block{padding:56px 0;}
  .plan-grid{grid-template-columns:1fr;}
  .cta-block{padding:32px;flex-direction:column;align-items:flex-start;}
  .cta-block h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:56px;}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .compare-hero h1{font-size:26px;}
  .metrics{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .hero-badge{right:12px;bottom:12px;padding:10px 12px;font-size:12px;}
  .metric .num{font-size:26px;}
  .form-card{padding:20px;}
  .cta-block{padding:26px;}
}