/* roulang page: index */
:root{
  --c-brand:#FF5A2B;
  --c-brand-2:#FF8A1E;
  --c-brand-3:#FFB020;
  --grad:linear-gradient(135deg,#FF5A2B 0%,#FF8A1E 52%,#FFB020 100%);
  --c-ink:#14181C;
  --c-mint:#16C79A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-line:#ECE3DA;
  --c-text:#1A1E23;
  --c-text-2:#5B6570;
  --c-text-3:#8C949C;
  --c-danger:#E5484D;
  --c-soft:#FFF1E8;
  --r-card:22px;
  --r-hero:28px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:16px;
  --sh-1:0 4px 16px rgba(20,24,28,.05);
  --sh-2:0 10px 30px rgba(20,24,28,.08);
  --sh-brand:0 12px 28px rgba(255,90,43,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --w:1200px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  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{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部公告条 ---------- */
.topbar{
  background:var(--c-soft);
  color:#8A3A16;
  font-size:13px;
  line-height:36px;
  height:36px;
  overflow:hidden;
}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px;position:relative;}
.topbar-inner strong{color:var(--c-brand);font-weight:700;}
.topbar-close{
  position:absolute;right:0;top:0;height:36px;width:36px;
  color:#B2704B;font-size:16px;line-height:1;border-radius:50%;
  transition:background 220ms var(--ease);
}
.topbar-close:hover{background:rgba(255,90,43,.12);}
body.topbar-hidden .topbar{display:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.nav-wrap{
  min-height:var(--nav-h);
  display:flex;align-items:center;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(255,90,43,.28);
}
.logo-mark svg{width:17px;height:17px;display:block;}
.logo-text{
  font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-text);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:8px;}
.main-nav a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--c-text-2);
  padding:8px 0;
  transition:color 220ms var(--ease);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%) scaleX(0);
  width:20px;height:3px;border-radius:3px;background:var(--grad);
  transition:transform 220ms var(--ease);
}
.main-nav a:hover,.main-nav a.active{color:var(--c-text);}
.main-nav a:hover::after,.main-nav a.active::after{transform:translateX(-50%) scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 14px;
  background:#F7F3EF;border:1px solid transparent;border-radius:var(--r-btn);
  transition:border-color 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nav-search:focus-within{
  background:#fff;border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(255,90,43,.15);
}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex-shrink:0;}
.nav-search input{
  width:100%;border:0;background:transparent;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px;
  transition:transform 220ms var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,43,.3);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border:1.5px solid var(--c-line);color:var(--c-text);}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost-white{background:#fff;color:var(--c-brand);box-shadow:0 8px 20px rgba(20,24,28,.12);}
.btn-ghost-white:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(20,24,28,.18);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-brand);font-size:15px;font-weight:600;
}
.text-link span{transition:transform 220ms var(--ease);}
.text-link:hover span{transform:translateX(3px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:var(--r-btn);
  font-size:13px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-soft{background:rgba(255,90,43,.10);color:var(--c-brand);}
.badge-grad{background:var(--grad);color:#fff;box-shadow:var(--sh-brand);}
.badge-data{background:#F4FAF8;color:var(--c-text-2);}
.badge-data::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-mint);display:block;
}

/* ---------- Hero ---------- */
.hero{padding:72px 0 80px;}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(255,90,43,.10);color:var(--c-brand);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero h1{
  margin-top:22px;
  font-size:48px;font-weight:800;line-height:1.18;letter-spacing:-.02em;
  color:var(--c-text);
}
.hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;color:var(--c-text-2);max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  box-shadow:var(--sh-2);aspect-ratio:4/3.2;
  background:var(--c-ink);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,24,28,0) 46%,rgba(20,24,28,.72) 100%);
}
.hero-figure .badge-grad{position:absolute;left:18px;top:18px;z-index:2;}
.hero-float{
  position:absolute;right:18px;bottom:18px;z-index:2;
  background:#fff;border-radius:18px;padding:14px 18px;
  box-shadow:var(--sh-2);min-width:158px;
}
.hero-float b{
  display:block;font-size:26px;font-weight:800;line-height:1.1;color:var(--c-brand);
  font-variant-numeric:tabular-nums;
}
.hero-float small{display:block;font-size:13px;color:var(--c-text-2);margin-top:4px;}

/* ---------- 板块头 ---------- */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:640px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}

/* ---------- 商品卡 ---------- */
.product-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#E3D6C9;}
.product-card{padding:14px;display:flex;flex-direction:column;}
.product-card.featured{grid-column:span 2;}
.product-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:4/3;background:#F7F3EF;
}
.product-card.featured .product-media{aspect-ratio:16/9.4;}
.product-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 320ms var(--ease);
}
.product-card:hover .product-media img{transform:scale(1.04);}
.product-media .badge{position:absolute;left:12px;top:12px;}
.product-fav{
  position:absolute;right:12px;top:12px;
  width:32px;height:32px;border-radius:50%;
  background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;
  color:var(--c-text-3);box-shadow:var(--sh-1);
  transition:color 220ms var(--ease),transform 220ms var(--ease);
}
.product-fav:hover{color:var(--c-brand);transform:scale(1.08);}
.product-body{padding:16px 6px 4px;display:flex;flex-direction:column;gap:8px;flex:1;}
.product-body h3{
  font-size:17px;font-weight:600;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:48px;
}
.product-desc{font-size:14px;color:var(--c-text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.product-spec{display:flex;flex-wrap:wrap;gap:6px;}
.spec-pill{
  font-size:12px;font-weight:500;color:var(--c-text-2);
  background:#F7F3EF;border-radius:var(--r-btn);padding:3px 10px;
}
.product-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.price{font-size:24px;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1;}
.price small{font-size:13px;font-weight:600;color:var(--c-text-3);margin-right:2px;}
.buy-btn{
  height:34px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(255,90,43,.10);color:var(--c-brand);
  font-size:13px;font-weight:600;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.buy-btn:hover{background:var(--grad);color:#fff;transform:translateY(-1px);}

/* ---------- 评价区 ---------- */
.reviews{
  background:var(--c-ink);color:#fff;padding:80px 0;position:relative;overflow:hidden;
}
.reviews::before{
  content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);
  width:900px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,43,.18) 0%,rgba(255,90,43,0) 70%);
  pointer-events:none;
}
.reviews .container{position:relative;z-index:1;}
.reviews .section-head h2{color:#fff;}
.reviews .section-sub{color:rgba(255,255,255,.66);}
.rev-controls{display:flex;gap:10px;}
.rev-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.rev-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);transform:translateY(-2px);}
.rev-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:12px;scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.rev-track::-webkit-scrollbar{display:none;}
.rev-card{
  flex:0 0 340px;scroll-snap-align:start;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:24px;
  transition:background 220ms var(--ease),transform 220ms var(--ease);
}
.rev-card:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);}
.stars{display:flex;gap:3px;color:var(--c-brand-3);margin-bottom:14px;}
.stars svg{width:15px;height:15px;}
.rev-text{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:80px;}
.rev-user{display:flex;align-items:center;gap:10px;margin-top:18px;}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;flex-shrink:0;
}
.rev-name{font-size:14px;font-weight:600;}
.rev-src{
  font-size:12px;color:rgba(255,255,255,.6);
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-btn);
  padding:1px 9px;margin-left:auto;
}
.rev-dots{display:flex;gap:8px;justify-content:center;margin-top:26px;}
.rev-dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.28);}
.rev-dots i.on{width:22px;border-radius:4px;background:var(--grad);}

/* ---------- 保障条 ---------- */
.guarantee{
  background:#FFF7F1;padding:40px 0;
}
.guarantee-inner{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.g-item{
  display:flex;align-items:center;gap:14px;padding:22px 24px;
  border-left:1px solid var(--c-line);
}
.g-item:first-child{border-left:0;}
.g-icon{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  background:rgba(255,90,43,.10);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
}
.g-icon svg{width:22px;height:22px;}
.g-item h4{font-size:16px;font-weight:600;}
.g-item p{font-size:13px;color:var(--c-text-2);margin-top:2px;}

/* ---------- 大 CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:var(--r-hero);
  padding:56px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-brand);
}
.cta-card h2{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.cta-card p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9);max-width:520px;}
.cta-card .btn{margin-top:26px;}
.cta-deco{
  font-size:150px;font-weight:800;line-height:1;
  color:rgba(255,255,255,.16);letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;flex-shrink:0;
}

/* ---------- 资讯列表（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:20px;
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#F7F3EF;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:18px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a:hover{color:var(--c-brand);}
.news-body p{
  font-size:14px;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.news-foot time{font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums;}
.news-foot .text-link{font-size:14px;}
.empty-state{
  border:2px dashed var(--c-line);border-radius:20px;
  padding:56px 24px;text-align:center;background:#fff;
}
.empty-state svg{width:40px;height:40px;color:var(--c-text-3);margin:0 auto 14px;}
.empty-state p{font-size:15px;color:var(--c-text-2);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:40% 60%;gap:48px;align-items:start;}
.faq-intro h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.faq-intro p{margin-top:14px;font-size:15px;color:var(--c-text-2);max-width:360px;}
.faq-intro .btn{margin-top:26px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  overflow:hidden;position:relative;
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad);opacity:0;transition:opacity 220ms var(--ease);
}
.faq-item.open{box-shadow:var(--sh-1);border-color:#E3D6C9;}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;text-align:left;font-size:17px;font-weight:600;line-height:1.4;
}
.faq-icon{
  width:22px;height:22px;flex-shrink:0;position:relative;
  color:var(--c-brand);transition:transform 220ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity 220ms var(--ease);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 300ms var(--ease);
}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);color:#fff;padding:80px 0 32px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
.footer-brand .logo-text{color:#fff;}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.footer-contact{margin-top:18px;font-size:14px;color:rgba(255,255,255,.66);line-height:2;}
.footer-contact strong{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-badges .badge-soft{background:rgba(255,90,43,.18);color:#FFB89F;}
.footer-badges .badge-data{background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.68);
  transition:color 220ms var(--ease),transform 220ms var(--ease);display:inline-block;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:170px;}
  .main-nav{gap:16px;}
  .main-nav a{font-size:14px;}
  .product-grid{gap:20px;}
}
@media (max-width:1023px){
  :root{--nav-h:64px;}
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:38px;}
  .hero-visual{order:-1;}
  .hero-figure{aspect-ratio:16/10;}
  .section-head h2,.faq-intro h2{font-size:28px;}
  .cta-card h2{font-size:28px;}
  .product-grid{grid-template-columns:repeat(3,1fr);}
  .product-card.featured{grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .guarantee-inner{grid-template-columns:repeat(2,1fr);}
  .g-item:nth-child(3){border-left:0;}
  .g-item:nth-child(n+3){border-top:1px solid var(--c-line);}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .nav-search{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:calc(var(--nav-h) + 36px);bottom:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:16px 20px 32px;margin:0;overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform 220ms var(--ease),opacity 220ms var(--ease),visibility 220ms var(--ease);
    box-shadow:var(--sh-2);z-index:70;
  }
  body.nav-open .main-nav{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
  .main-nav a{font-size:18px;padding:16px 4px;border-bottom:1px solid var(--c-line);}
  .main-nav a::after{left:4px;transform:translateX(0) scaleX(0);bottom:10px;}
  .main-nav a:hover::after,.main-nav a.active::after{transform:translateX(0) scaleX(1);}
  .nav-toggle{display:flex;}
  .nav-right .btn-sm{display:none;}
  .cta-deco{display:none;}
  .cta-card{padding:40px 28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .hero{padding:32px 0 44px;}
  .hero h1{font-size:28px;line-height:1.28;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;padding:0 18px;}
  .hero-figure{aspect-ratio:4/3;}
  .hero-float{right:12px;bottom:12px;padding:10px 14px;min-width:130px;}
  .hero-float b{font-size:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2,.faq-intro h2{font-size:22px;}
  .section-sub{font-size:14px;}
  .product-grid{grid-template-columns:1fr;gap:16px;}
  .product-card.featured{grid-column:span 1;}
  .product-body h3{min-height:0;}
  .news-grid{grid-template-columns:1fr;}
  .guarantee-inner{grid-template-columns:1fr;}
  .g-item{border-left:0;border-top:1px solid var(--c-line);padding:18px;}
  .g-item:first-child{border-top:0;}
  .reviews{padding:48px 0;}
  .rev-card{flex:0 0 260px;padding:20px;}
  .cta-card{padding:32px 22px;border-radius:22px;}
  .cta-card h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding:56px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:16px;}
  .faq-a p{padding:0 16px 16px;font-size:14px;}
  .rev-dots{margin-top:18px;}
}
@media (max-width:520px){
  .logo-text{font-size:16px;}
  .hero h1{font-size:26px;}
  .hero-badges .badge{font-size:12px;padding:0 10px;}
  .price{font-size:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --c-brand:#FF5A2B;
  --c-brand-2:#FF8A1E;
  --c-brand-3:#FFB020;
  --grad:linear-gradient(135deg,#FF5A2B 0%,#FF8A1E 52%,#FFB020 100%);
  --c-ink:#14181C;
  --c-mint:#16C79A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-line:#ECE3DA;
  --c-text:#1A1E23;
  --c-text-2:#5B6570;
  --c-text-3:#8C949C;
  --c-danger:#E5484D;
  --sh-1:0 4px 16px rgba(20,24,28,.05);
  --sh-2:0 10px 30px rgba(20,24,28,.08);
  --sh-brand:0 12px 28px rgba(255,90,43,.22);
  --r-card:22px;
  --r-hero:28px;
  --r-pill:999px;
  --r-input:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
ul,ol{padding-left:1.2em}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* 公告条 */
.notice-bar{background:#FFF1E8;color:#8A4A22;font-size:13px;line-height:1;letter-spacing:.02em}
.notice-bar .container{display:flex;align-items:center;justify-content:center;gap:10px;min-height:36px;padding-top:8px;padding-bottom:8px;text-align:center}
.notice-bar strong{color:var(--c-brand);font-weight:700}
.notice-dot{width:6px;height:6px;border-radius:50%;background:var(--c-brand);flex:none}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,24,28,.03);
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(255,90,43,.28);flex:none;
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-text);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:26px;flex:1;justify-content:center}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);
  padding:24px 0;transition:color 220ms var(--ease);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:14px;width:0;height:3px;border-radius:3px;
  background:var(--grad);transform:translateX(-50%);transition:width 220ms var(--ease);
}
.main-nav a:hover{color:var(--c-text)}
.main-nav a:hover::after,.main-nav a.active::after{width:20px}
.main-nav a.active{color:var(--c-text);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.nav-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 14px;
  background:#F7F3EF;border-radius:var(--r-pill);border:1px solid transparent;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex:none}
.nav-search input{width:100%;border:0;background:transparent;font-size:14px;color:var(--c-text);outline:none}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search:focus-within{border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 3px rgba(255,90,43,.15)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,43,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-text);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-white{background:#fff;color:var(--c-brand);box-shadow:0 10px 24px rgba(20,24,28,.14)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(20,24,28,.18)}
.btn:disabled,.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-size:14px;font-weight:600;transition:color 220ms var(--ease)}
.link-more svg{width:14px;height:14px;transition:transform 220ms var(--ease)}
.link-more:hover svg{transform:translateX(3px)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;position:relative;align-items:center;justify-content:center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--c-text);
  transform:translateX(-50%);transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.badge-soft{background:rgba(255,90,43,.10);color:var(--c-brand)}
.badge-data{background:#F4FAF8;color:var(--c-text-2)}
.badge-data::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-mint);flex:none}
.badge-grad{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}

/* 面包屑 */
.crumb-bar{padding:24px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3)}
.crumbs a{color:var(--c-text-3);transition:color 220ms var(--ease)}
.crumbs a:hover{color:var(--c-brand)}
.crumbs .sep{color:#C9BEB3}
.crumbs .current{color:var(--c-text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;padding:28px 0 96px;align-items:start}
.article-main{min-width:0}
.article-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-hero);
  box-shadow:var(--sh-1);padding:40px 44px 36px;
}
.article-head{border-bottom:1px solid var(--c-line);padding-bottom:24px;margin-bottom:32px}
.article-head h1{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.02em;margin:14px 0 18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-text-3)}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9BEB3}
.article-meta strong{color:var(--c-text-2);font-weight:600}

/* 正文排版 */
.article-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;line-height:1.45;
  margin:2em 0 .8em;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1.05em;border-radius:2px;background:var(--grad)}
.article-body h3{font-size:18px;font-weight:600;line-height:1.6;margin:1.6em 0 .6em;scroll-margin-top:96px}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body img{width:100%;height:auto;border-radius:16px;margin:1.2em 0 .6em}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;line-height:1.7}
.article-body a{color:var(--c-brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{text-decoration-thickness:2px}
.article-body blockquote{
  background:#FFF1E8;border-left:4px solid var(--c-brand);border-radius:0 14px 14px 0;
  padding:20px 22px;margin:1.6em 0;color:var(--c-text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.3em;line-height:1.9}
.article-body ul{list-style:none;padding-left:1.2em}
.article-body ul>li{position:relative;padding-left:6px}
.article-body ul>li::before{content:"";position:absolute;left:-14px;top:.78em;width:6px;height:6px;border-radius:2px;background:var(--c-brand)}
.article-body ol>li::marker{color:var(--c-brand);font-weight:700}
.article-body li{margin-bottom:.5em}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;font-size:15px;border:1px solid var(--c-line);border-radius:14px;overflow:hidden}
.article-body thead th{background:var(--c-bg);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);border-right:1px solid var(--c-line)}
.article-body th:last-child,.article-body td:last-child{border-right:0}
.article-body tr:last-child td{border-bottom:0}
.article-body .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0}

/* 文末标签与操作 */
.article-foot{margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:24px}
.tag-row .label{font-size:13px;color:var(--c-text-3);font-weight:600;letter-spacing:.02em}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#FFF1E8;color:#B4522A;font-size:13px;font-weight:500;
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.tag:hover{background:rgba(255,90,43,.16);color:var(--c-brand)}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.article-actions .tip{font-size:14px;color:var(--c-text-3)}

/* 空态 */
.empty-state{
  border:2px dashed var(--c-line);border-radius:20px;padding:56px 24px;text-align:center;background:#FFFDFB;
}
.empty-state svg{width:44px;height:44px;color:#D9CCC0;margin:0 auto 14px}
.empty-state h3{font-size:20px;font-weight:700;margin-bottom:8px}
.empty-state p{font-size:15px;color:var(--c-text-2);margin-bottom:20px}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.side-card h3{font-size:16px;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.toc-list a{
  display:block;position:relative;padding:7px 10px 7px 18px;font-size:14px;line-height:1.5;color:var(--c-text-2);
  border-radius:10px;transition:background 220ms var(--ease),color 220ms var(--ease);
}
.toc-list a::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:#D9CCC0;transition:background 220ms var(--ease);
}
.toc-list a:hover{background:#FFF7F1;color:var(--c-text)}
.toc-list a.is-active{color:var(--c-brand);font-weight:600;background:#FFF1E8}
.toc-list a.is-active::before{background:var(--c-brand)}
.toc-list .lv3 a{padding-left:30px;font-size:13.5px}
.side-mini{display:flex;flex-direction:column;gap:14px}
.mini-item{display:flex;gap:12px;align-items:flex-start;transition:transform 220ms var(--ease)}
.mini-item:hover{transform:translateX(2px)}
.mini-thumb{width:80px;height:80px;border-radius:14px;overflow:hidden;flex:none;background:#F7F3EF}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease)}
.mini-item:hover .mini-thumb img{transform:scale(1.06)}
.mini-body{min-width:0}
.mini-body .mini-tag{display:inline-block;font-size:12px;color:var(--c-brand);font-weight:600;margin-bottom:4px}
.mini-body h4{
  font-size:14px;font-weight:600;line-height:1.5;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-body h4:hover{color:var(--c-brand)}
.side-cta{background:var(--grad);border:0;color:#fff;box-shadow:var(--sh-brand)}
.side-cta h3{color:#fff}
.side-cta p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.9);margin-bottom:16px}
.side-cta .btn{width:100%;height:42px}

/* 相关内容 */
.related-section{padding:0 0 96px}
.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:34px;font-weight:700;line-height:1.25;letter-spacing:-.02em}
.section-head p{font-size:15px;color:var(--c-text-2);margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:20px;box-shadow:var(--sh-1);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#F7F3EF}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease)}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card h3 a:hover{color:var(--c-brand)}
.post-card p{font-size:14px;color:var(--c-text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--c-text-3)}

/* FAQ */
.faq-section{padding:0 0 96px}
.faq-layout{display:grid;grid-template-columns:38% 1fr;gap:48px;align-items:start}
.faq-intro h2{font-size:34px;font-weight:700;letter-spacing:-.02em;line-height:1.25;margin-bottom:14px}
.faq-intro p{font-size:15px;color:var(--c-text-2);line-height:1.8;margin-bottom:22px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;position:relative;overflow:hidden;transition:box-shadow 220ms var(--ease)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);opacity:0;transition:opacity 220ms var(--ease)}
.faq-item.open{box-shadow:var(--sh-1)}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;font-size:17px;font-weight:600;color:var(--c-text);line-height:1.5;
}
.faq-q .plus{position:relative;width:18px;height:18px;flex:none;transition:transform 220ms var(--ease)}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-brand);border-radius:2px;transform:translate(-50%,-50%)}
.faq-q .plus::before{width:14px;height:2px}
.faq-q .plus::after{width:2px;height:14px;transition:transform 220ms var(--ease)}
.faq-item.open .faq-q .plus::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease)}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* CTA 条 */
.cta-section{padding:0 0 96px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-hero);background:var(--grad);color:#fff;
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-brand);
}
.cta-card h2{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.3;margin-bottom:10px}
.cta-card p{font-size:15px;color:rgba(255,255,255,.92);max-width:520px}
.cta-deco{position:absolute;right:-40px;top:-40px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.14)}
.cta-deco.two{right:120px;top:auto;bottom:-90px;width:180px;height:180px;background:rgba(255,255,255,.10)}
.cta-card .btn{position:relative;z-index:2;flex:none}

/* 页脚 */
.site-footer{background:var(--c-ink);color:#fff;padding:80px 0 32px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:16px 0 18px;max-width:330px}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66)}
.footer-contact strong{color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer-badges .badge-soft{background:rgba(255,90,43,.18);color:#FFB79E}
.footer-badges .badge-data{background:rgba(255,255,255,.08);color:rgba(255,255,255,.8)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color 220ms var(--ease),transform 220ms var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a{color:rgba(255,255,255,.55);transition:color 220ms var(--ease)}
.footer-bottom .links a:hover{color:#fff}

/* 响应式 */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .nav-wrap{gap:16px}
  .main-nav{gap:20px}
  .nav-search{width:180px}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:60px;bottom:0;z-index:70;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:18px 20px 32px;overflow-y:auto;
    opacity:0;pointer-events:none;transform:translateY(-10px);
    transition:opacity 220ms var(--ease),transform 220ms var(--ease);
    box-shadow:var(--sh-2);
  }
  .main-nav.open{opacity:1;pointer-events:auto;transform:translateY(0)}
  .main-nav a{font-size:18px;font-weight:600;padding:16px 4px;border-bottom:1px solid var(--c-line);color:var(--c-text)}
  .main-nav a::after{display:none}
  .main-nav a.active{color:var(--c-brand)}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .nav-wrap{height:60px;justify-content:space-between}
  .article-layout{grid-template-columns:1fr;padding-top:20px}
  .article-side{position:static;top:auto}
  .article-card{padding:30px 26px 28px}
  .article-head h1{font-size:28px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .section-head h2,.faq-intro h2{font-size:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-layout{padding-bottom:56px}
  .article-head h1{font-size:24px;line-height:1.35}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17px}
  .article-body table{font-size:14px}
  .article-card{border-radius:20px;padding:24px 18px 22px}
  .article-actions{justify-content:flex-start}
  .card-grid{grid-template-columns:1fr}
  .related-section,.faq-section,.cta-section{padding-bottom:56px}
  .section-head h2,.faq-intro h2,.cta-card h2{font-size:22px}
  .cta-card{padding:32px 22px;border-radius:22px}
  .cta-card .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{padding:52px 0 26px}
  .crumbs .current{max-width:200px}
}

/* roulang page: category1 */
:root{
  --c-brand:#FF5A2B;
  --c-brand-2:#FF8A1E;
  --c-brand-3:#FFB020;
  --grad:linear-gradient(135deg,#FF5A2B 0%,#FF8A1E 52%,#FFB020 100%);
  --c-ink:#14181C;
  --c-mint:#16C79A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-line:#ECE3DA;
  --c-text:#1A1E23;
  --c-text-2:#5B6570;
  --c-text-3:#8C949C;
  --c-danger:#E5484D;
  --sh-1:0 4px 16px rgba(20,24,28,.05);
  --sh-2:0 10px 30px rgba(20,24,28,.08);
  --sh-brand:0 12px 28px rgba(255,90,43,.22);
  --r-card:22px;
  --r-lg:28px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:34px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--c-text-2);
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-brand);
  white-space:nowrap;
  transition:gap .22s var(--ease);
}
.link-more:hover{gap:12px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-text);
}
.logo-mark{
  width:30px;
  height:30px;
  border-radius:9px;
  background:var(--grad);
  display:grid;
  place-items:center;
  box-shadow:0 6px 14px rgba(255,90,43,.25);
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.main-nav a{
  position:relative;
  padding:8px 10px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  transition:color .22s var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-1px;
  width:20px;
  height:3px;
  border-radius:2px;
  background:var(--grad);
  transform:translateX(-50%) scaleX(0);
  transition:transform .22s var(--ease);
}
.main-nav a:hover{color:var(--c-text);}
.main-nav a:hover::after,
.main-nav a.active::after{transform:translateX(-50%) scaleX(1);}
.main-nav a.active{color:var(--c-text);font-weight:600;}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:220px;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-btn);
  background:#F7F3EF;
  border:1px solid transparent;
  transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex:0 0 auto;}
.nav-search input{
  width:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--c-text);
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search:focus-within{
  border-color:var(--c-brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(255,90,43,.12);
}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border:1px solid var(--c-line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  place-items:center;
  transition:border-color .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-brand);}
.nav-toggle span{
  display:block;
  position:relative;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--c-text);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--c-text);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh-brand);
}
.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.04);
  box-shadow:0 16px 34px rgba(255,90,43,.3);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-brand);}
.btn-outline{
  background:#fff;
  border-color:var(--c-line);
  color:var(--c-text);
}
.btn-outline:hover{
  border-color:var(--c-brand);
  color:var(--c-brand);
  transform:translateY(-2px);
}
.btn-outline:active{transform:translateY(0);}
.btn-light{
  background:#fff;
  color:var(--c-brand);
  box-shadow:0 10px 24px rgba(0,0,0,.14);
}
.btn-light:hover{transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-btn);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-soft{background:rgba(255,90,43,.10);color:var(--c-brand);}
.badge-data{background:#F4FAF8;color:var(--c-text-2);}
.badge-data::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--c-mint);
  flex:0 0 auto;
}
.badge-grad{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(255,90,43,.24);}

/* ===== 分类 Hero ===== */
.cat-hero{
  position:relative;
  padding:36px 0 64px;
  background:linear-gradient(180deg,#FFF1E8 0%,var(--c-bg) 76%);
  overflow:hidden;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--c-text-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-text-3);transition:color .22s var(--ease);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:#C9C0B7;}
.breadcrumb .cur{color:var(--c-text-2);}
.cat-hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.cat-hero h1{
  font-size:48px;
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.cat-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero .lede{
  font-size:16px;
  color:var(--c-text-2);
  max-width:620px;
  margin-bottom:24px;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cat-hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:5/4;
}
.cat-hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.cat-hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(255,90,43,.10) 0%,rgba(20,24,28,.42) 100%);
}
.hero-float{
  position:absolute;
  right:18px;
  bottom:18px;
  z-index:2;
  background:#fff;
  border-radius:18px;
  padding:14px 18px;
  box-shadow:var(--sh-2);
  min-width:158px;
}
.hero-float strong{
  display:block;
  font-size:26px;
  font-weight:800;
  line-height:1.1;
  color:var(--c-brand);
  font-variant-numeric:tabular-nums;
}
.hero-float span{
  display:block;
  font-size:13px;
  color:var(--c-text-2);
  margin-top:4px;
}

/* ===== 特性条 ===== */
.feature-strip{
  background:var(--c-surface);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  border:1px solid var(--c-line);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.feature-item{
  padding:28px 26px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  border-right:1px solid var(--c-line);
}
.feature-item:last-child{border-right:0;}
.feature-icon{
  width:44px;
  height:44px;
  flex:0 0 auto;
  border-radius:14px;
  background:rgba(255,90,43,.10);
  display:grid;
  place-items:center;
  color:var(--c-brand);
}
.feature-icon svg{width:22px;height:22px;}
.feature-item h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:4px;
}
.feature-item p{
  font-size:14px;
  line-height:1.65;
  color:var(--c-text-2);
}

/* ===== 商品网格 ===== */
.product-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.product-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:14px;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.product-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
}
.product-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:4/3;
  background:#F7F3EF;
}
.product-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.product-card:hover .product-media img{transform:scale(1.04);}
.product-tag{
  position:absolute;
  top:10px;
  left:10px;
  height:26px;
  padding:0 10px;
  font-size:12px;
}
.fav-btn{
  position:absolute;
  top:10px;
  right:10px;
  width:32px;
  height:32px;
  border-radius:50%;
  border:0;
  background:rgba(255,255,255,.92);
  color:var(--c-text-3);
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.fav-btn svg{width:16px;height:16px;}
.fav-btn:hover{color:var(--c-brand);transform:scale(1.06);}
.fav-btn:active{transform:scale(.96);}
.product-body{
  padding:14px 4px 4px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.product-title{
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:49px;
}
.product-desc{
  font-size:14px;
  color:var(--c-text-2);
  margin-top:6px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.product-spec{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:10px;
}
.spec-pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 9px;
  border-radius:8px;
  background:#F7F3EF;
  font-size:12px;
  font-weight:500;
  color:var(--c-text-2);
  white-space:nowrap;
}
.product-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:14px;
  padding-top:12px;
  border-top:1px solid var(--c-line);
}
.price{
  font-size:28px;
  font-weight:800;
  color:var(--c-brand);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.price small{font-size:14px;font-weight:600;margin-right:2px;}

/* ===== 图文说明 ===== */
.split-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-copy h2{
  font-size:34px;
  font-weight:700;
  line-height:1.25;
  margin-bottom:16px;
}
.split-copy p{
  font-size:16px;
  color:var(--c-text-2);
  margin-bottom:14px;
}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--c-text);
}
.check-list li::before{
  content:"";
  flex:0 0 auto;
  width:20px;
  height:20px;
  margin-top:4px;
  border-radius:50%;
  background:rgba(22,199,154,.14);
  box-shadow:inset 0 0 0 6px #fff;
  border:2px solid var(--c-mint);
}

/* ===== 流程 ===== */
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step-card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 24px 26px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-weight:800;
  font-size:17px;
  display:grid;
  place-items:center;
  box-shadow:0 8px 18px rgba(255,90,43,.22);
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.step-card p{font-size:14px;line-height:1.7;color:var(--c-text-2);}

/* ===== 相关分类 ===== */
.cat-links{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.cat-link-card{
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.cat-link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.cat-link-media{aspect-ratio:16/9;overflow:hidden;}
.cat-link-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.cat-link-card:hover .cat-link-media img{transform:scale(1.04);}
.cat-link-body{padding:22px 22px 24px;}
.cat-link-body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.cat-link-body p{font-size:14px;line-height:1.7;color:var(--c-text-2);margin-bottom:14px;}
.cat-link-body .link-more{font-size:14px;}

/* ===== FAQ ===== */
.faq-wrap{
  display:grid;
  grid-template-columns:40fr 60fr;
  gap:56px;
  align-items:start;
}
.faq-intro h2{
  font-size:34px;
  font-weight:700;
  line-height:1.25;
  margin-bottom:14px;
}
.faq-intro p{
  font-size:15px;
  color:var(--c-text-2);
  margin-bottom:22px;
}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:16px;
  padding:20px 22px;
  position:relative;
  overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--grad);
  opacity:0;
  transition:opacity .22s var(--ease);
}
.faq-item.open{box-shadow:var(--sh-1);border-color:#F3D6C6;}
.faq-item.open::before{opacity:1;}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  background:none;
  border:0;
  padding:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  cursor:pointer;
  line-height:1.5;
}
.faq-q .plus{
  position:relative;
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  background:#FFF1E8;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  width:11px;
  height:2px;
  border-radius:2px;
  background:var(--c-brand);
  transform:translate(-50%,-50%);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-q .plus::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item.open .faq-q .plus{background:var(--grad);transform:rotate(180deg);}
.faq-item.open .faq-q .plus::before,
.faq-item.open .faq-q .plus::after{background:#fff;}
.faq-item.open .faq-q .plus::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease),margin-top .3s var(--ease);
}
.faq-item.open .faq-a{max-height:320px;margin-top:12px;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--c-text-2);}

/* ===== CTA 大卡 ===== */
.cta-band{padding:0 0 96px;}
.cta-card{
  position:relative;
  border-radius:var(--r-lg);
  background:var(--grad);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  overflow:hidden;
  box-shadow:var(--sh-brand);
}
.cta-card h2{
  font-size:34px;
  font-weight:800;
  color:#fff;
  line-height:1.25;
  margin-bottom:12px;
}
.cta-card p{
  font-size:16px;
  color:rgba(255,255,255,.92);
  max-width:560px;
}
.cta-card .btn-light{flex:0 0 auto;}
.cta-deco{
  position:absolute;
  right:-40px;
  top:-40px;
  width:280px;
  height:280px;
  border-radius:50%;
  border:36px solid rgba(255,255,255,.14);
  pointer-events:none;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-ink);
  color:#fff;
  padding:80px 0 32px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:48px;
}
.footer-brand .logo-text{color:#fff;}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.68);
  margin:18px 0;
  max-width:340px;
}
.footer-contact{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.68);
  margin-bottom:16px;
}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;}
.footer-badges .badge-soft{background:rgba(255,255,255,.10);color:#fff;}
.footer-badges .badge-data{background:rgba(255,255,255,.06);color:rgba(255,255,255,.72);}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .22s var(--ease),transform .22s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:56px;
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .links a{color:rgba(255,255,255,.55);transition:color .22s var(--ease);}
.footer-bottom .links a:hover{color:#fff;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .main-nav a{padding:8px 7px;font-size:14px;}
  .nav-search{width:180px;}
  .product-grid{grid-template-columns:repeat(3,1fr);}
  .cat-hero h1{font-size:40px;}
  .cat-hero-grid{gap:36px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .cta-band{padding-bottom:64px;}
  .nav-toggle{display:grid;}
  .nav-search{display:none;}
  .main-nav{
    position:fixed;
    top:60px;
    left:0;
    right:0;
    bottom:0;
    margin:0;
    padding:16px 20px 40px;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    overflow-y:auto;
    display:none;
    z-index:99;
    box-shadow:var(--sh-2);
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{
    font-size:18px;
    padding:16px 4px;
    border-bottom:1px solid var(--c-line);
  }
  .main-nav a::after{display:none;}
  .nav-wrap{height:60px;}
  .cat-hero{padding:24px 0 44px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media{aspect-ratio:16/9;order:-1;}
  .cat-hero h1{font-size:38px;}
  .feature-strip{grid-template-columns:repeat(2,1fr);}
  .feature-item:nth-child(2){border-right:0;}
  .feature-item:nth-child(1),.feature-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .product-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
  .split-block{grid-template-columns:1fr;gap:32px;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .cat-links{grid-template-columns:1fr 1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-card h2{font-size:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section-head h2{font-size:28px;}
  .split-copy h2,.faq-intro h2{font-size:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .cta-band{padding-bottom:44px;}
  .cat-hero h1{font-size:28px;line-height:1.25;}
  .cat-hero .lede{font-size:15px;}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .product-card{padding:10px;border-radius:18px;}
  .product-title{font-size:15px;min-height:44px;}
  .price{font-size:22px;}
  .product-foot{flex-wrap:wrap;gap:8px;}
  .product-foot .btn-sm{height:34px;padding:0 14px;font-size:13px;}
  .feature-strip{grid-template-columns:1fr;}
  .feature-item{border-right:0;border-bottom:1px solid var(--c-line);padding:20px;}
  .feature-item:last-child{border-bottom:0;}
  .step-grid{grid-template-columns:1fr;}
  .cat-links{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:22px;}
  .split-copy h2,.faq-intro h2{font-size:22px;}
  .cta-card{padding:32px 22px;border-radius:22px;}
  .cta-card h2{font-size:22px;}
  .cta-card p{font-size:15px;}
  .faq-q{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:52px 0 26px;}
  .footer-bottom{margin-top:36px;}
}
@media (max-width:520px){
  .product-grid{grid-template-columns:1fr;}
  .product-title{min-height:0;}
  .price{font-size:24px;}
  .product-foot .btn-sm{height:38px;padding:0 18px;font-size:14px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-float{right:12px;bottom:12px;padding:10px 14px;min-width:132px;}
  .hero-float strong{font-size:20px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#FF5A2B;
  --c-brand-2:#FF8A1E;
  --c-brand-3:#FFB020;
  --grad:linear-gradient(135deg,#FF5A2B 0%,#FF8A1E 52%,#FFB020 100%);
  --c-ink:#14181C;
  --c-mint:#16C79A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-line:#ECE3DA;
  --c-text:#1A1E23;
  --c-text-2:#5B6570;
  --c-text-3:#8C949C;
  --c-danger:#E5484D;
  --c-soft:#FFF1E8;
  --c-field:#F7F3EF;
  --r-card:22px;
  --r-lg:28px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(20,24,28,.05);
  --sh-2:0 10px 30px rgba(20,24,28,.08);
  --sh-brand:0 12px 28px rgba(255,90,43,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,43,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:var(--c-surface);border:1.5px solid var(--c-line);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-light{background:#fff;color:var(--c-brand)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.18)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:14px}
.link-arrow span{transition:transform var(--t) var(--ease)}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-soft{background:rgba(255,90,43,.10);color:var(--c-brand)}
.badge-data{background:#F4FAF8;color:var(--c-text-2)}
.badge-data::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-mint)}
.badge-grad{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}
.badge-line{background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);font-weight:500}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,24,28,.03);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(255,90,43,.28);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-text);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-right:auto}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--c-text-2);transition:color var(--t) var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:18px;transform:translateX(-50%) scaleX(0);
  width:20px;height:3px;border-radius:2px;background:var(--grad);
  transition:transform var(--t) var(--ease);
}
.main-nav a:hover{color:var(--c-text)}
.main-nav a:hover::after,.main-nav a.active::after{transform:translateX(-50%) scaleX(1)}
.main-nav a.active{color:var(--c-text);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  position:relative;display:flex;align-items:center;width:220px;height:40px;
  background:var(--c-field);border:1.5px solid transparent;border-radius:var(--r-pill);
  padding:0 14px;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease);
}
.nav-search svg{width:17px;height:17px;color:var(--c-text-3);flex:none}
.nav-search input{
  width:100%;height:100%;border:0;background:transparent;padding:0 0 0 8px;
  font-size:14px;color:var(--c-text);outline:none;
}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search:focus-within{background:#fff;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,90,43,.15)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1.5px solid var(--c-line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-text);
  transition:transform var(--t) var(--ease),top var(--t) var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFF1E8 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.cat-hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding:56px 0 60px;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:18px}
.crumbs a{color:var(--c-text-3);transition:color var(--t) var(--ease)}
.crumbs a:hover{color:var(--c-brand)}
.crumbs .sep{color:#C9C0B7}
.crumbs .current{color:var(--c-text-2)}
.cat-hero h1{
  font-size:46px;font-weight:800;line-height:1.18;letter-spacing:-.02em;
  margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-brand)}
.cat-hero .lead{font-size:16px;color:var(--c-text-2);max-width:560px;margin-bottom:24px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.hero-visual img{width:100%;height:340px;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(255,90,43,.16) 0%,rgba(20,24,28,.55) 100%);
}
.hero-tag{position:absolute;top:16px;left:16px;z-index:2}
.hero-float{
  position:absolute;right:16px;bottom:16px;z-index:2;background:#fff;border-radius:16px;
  padding:12px 16px;box-shadow:var(--sh-2);min-width:150px;
}
.hero-float strong{display:block;font-size:24px;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-float span{font-size:13px;color:var(--c-text-2)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--c-text-2);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,90,43,.10);color:var(--c-brand);font-size:13px;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand)}

/* ---------- 筛选 + 横排列表 ---------- */
.filter-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;align-items:start}
.filter-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px 20px;position:sticky;top:96px;
}
.filter-card h3{font-size:15px;font-weight:700;margin-bottom:4px}
.filter-card .filter-note{font-size:13px;color:var(--c-text-3);margin-bottom:18px}
.filter-group{padding:16px 0;border-top:1px solid var(--c-line)}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-group h4{font-size:13px;font-weight:600;color:var(--c-text-2);letter-spacing:.02em;margin-bottom:12px}
.check{display:flex;align-items:center;gap:10px;padding:6px 0;font-size:14px;color:var(--c-text-2);cursor:pointer}
.check input{
  appearance:none;width:18px;height:18px;flex:none;border:1.5px solid var(--c-line);border-radius:6px;
  background:#fff;transition:border-color var(--t) var(--ease),background-color var(--t) var(--ease);
  display:inline-flex;align-items:center;justify-content:center;
}
.check input:checked{border-color:var(--c-brand);background:var(--c-brand)}
.check input:checked::after{content:"";width:9px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg) translate(1px,-1px)}
.check:hover{color:var(--c-text)}
.check:hover input{border-color:var(--c-brand)}
.price-pills{display:flex;flex-wrap:wrap;gap:8px}
.price-pills .pill{
  display:inline-flex;align-items:center;height:32px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;font-size:13px;color:var(--c-text-2);
  transition:all var(--t) var(--ease);cursor:pointer;
}
.price-pills .pill:hover{border-color:var(--c-brand);color:var(--c-brand)}
.price-pills .pill.is-on{background:rgba(255,90,43,.10);border-color:transparent;color:var(--c-brand);font-weight:600}
.filter-actions{margin-top:20px;display:grid;gap:10px}

.row-list{display:grid;gap:16px}
.row-card{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:14px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.row-thumb{position:relative;border-radius:var(--r-md);overflow:hidden;background:var(--c-field)}
.row-thumb img{width:100%;height:100%;min-height:168px;object-fit:cover;transition:transform var(--t) var(--ease)}
.row-card:hover .row-thumb img{transform:scale(1.04)}
.row-thumb .badge{position:absolute;top:10px;left:10px}
.row-body{display:flex;flex-direction:column;gap:8px;padding:4px 6px 4px 0}
.row-body h3{font-size:20px;font-weight:700;line-height:1.4}
.row-body p{font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.spec-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.spec{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:var(--c-field);color:var(--c-text-2);font-size:12px;font-weight:500;
}
.row-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;border-top:1px dashed var(--c-line)}
.price{font-size:28px;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1}
.price small{font-size:13px;font-weight:500;color:var(--c-text-3);margin-left:6px}

/* ---------- 保障条 ---------- */
.guard{background:#FFF7F1;padding:40px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:28px 24px}
.guard-item{display:flex;gap:14px;align-items:flex-start;position:relative;padding-left:24px}
.guard-item:first-child{padding-left:0}
.guard-item::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--c-line)}
.guard-item:first-child::before{display:none}
.guard-icon{
  width:44px;height:44px;flex:none;border-radius:14px;background:rgba(255,90,43,.10);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-brand);
}
.guard-icon svg{width:22px;height:22px}
.guard-item h4{font-size:16px;font-weight:600;margin-bottom:2px}
.guard-item p{font-size:14px;color:var(--c-text-2);line-height:1.6}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 22px;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  box-shadow:var(--sh-brand);margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-media{position:relative;overflow:hidden;aspect-ratio:16/10}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t) var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:20px;font-weight:600}
.scene-body p{font-size:14px;color:var(--c-text-2);flex:1}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:38% minmax(0,1fr);gap:48px;align-items:start}
.faq-layout h2{font-size:34px;font-weight:700;line-height:1.25;margin-bottom:14px}
.faq-layout .faq-desc{font-size:15px;color:var(--c-text-2);margin-bottom:24px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  box-shadow:none;overflow:hidden;transition:box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
  position:relative;
}
.faq-item.is-open{box-shadow:var(--sh-1)}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--grad);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;text-align:left;font-size:17px;font-weight:600;color:var(--c-text);
}
.faq-q .icon{
  flex:none;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-2);
  font-size:15px;line-height:1;transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg);border-color:var(--c-brand);color:var(--c-brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 88px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad);
  padding:56px 48px;display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
  box-shadow:var(--sh-brand);
}
.cta-card h2{font-size:32px;font-weight:700;color:#fff;line-height:1.25;margin-bottom:12px}
.cta-card p{font-size:15px;color:rgba(255,255,255,.9);max-width:560px;margin-bottom:24px}
.cta-deco{
  font-size:132px;font-weight:800;line-height:1;color:rgba(255,255,255,.18);
  text-align:right;letter-spacing:-.04em;font-variant-numeric:tabular-nums;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#fff;padding:80px 0 32px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.site-footer .logo-text{color:#fff}
.footer-desc{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;margin-top:16px;max-width:320px}
.footer-contact{font-size:14px;color:rgba(255,255,255,.68);line-height:1.9;margin-top:16px}
.footer-contact strong{color:#fff;font-variant-numeric:tabular-nums}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer-badges .badge-soft{background:rgba(255,255,255,.10);color:#fff}
.footer-badges .badge-data{background:rgba(255,255,255,.06);color:rgba(255,255,255,.75)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color var(--t) var(--ease),transform var(--t) var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a{color:rgba(255,255,255,.55);transition:color var(--t) var(--ease)}
.footer-bottom .links a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-hero h1{font-size:40px}
  .nav-search{width:180px}
  .section-head h2,.faq-layout h2{font-size:30px}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:12px 20px 24px;margin:0;border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .main-nav a{height:52px;padding:0;font-size:18px;border-bottom:1px solid var(--c-line)}
  .main-nav a::after{display:none}
  .main-nav a.active{color:var(--c-brand)}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;padding:44px 0 48px}
  .hero-visual img{height:280px}
  .filter-layout{grid-template-columns:1fr}
  .filter-card{position:static}
  .steps{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr 1fr}
  .guard-grid{grid-template-columns:1fr 1fr;gap:20px}
  .guard-item{padding-left:0}
  .guard-item::before{display:none}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-card{grid-template-columns:1fr;padding:44px 32px}
  .cta-deco{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-wrap{height:60px;gap:12px}
  .main-nav{inset:60px 0 auto 0;max-height:calc(100vh - 60px)}
  .logo-text{font-size:17px}
  .cat-hero h1{font-size:28px}
  .cat-hero .lead{font-size:15px}
  .hero-visual img{height:220px}
  .section{padding:44px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2,.faq-layout h2{font-size:22px}
  .row-card{grid-template-columns:1fr}
  .row-thumb img{min-height:200px;height:200px}
  .row-body h3{font-size:18px}
  .steps{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr 1fr;padding:20px}
  .guard-item{flex-direction:column;gap:10px}
  .cta-card{padding:36px 22px}
  .cta-card h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding:48px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom .links{gap:14px}
  .price{font-size:24px}
  .faq-q{font-size:16px;padding:16px}
  .faq-a-inner{padding:0 16px 16px}
}

/* roulang page: category3 */
:root{
  --c-brand:#FF5A2B;
  --c-brand-2:#FF8A1E;
  --c-brand-3:#FFB020;
  --grad:linear-gradient(135deg,#FF5A2B 0%,#FF8A1E 52%,#FFB020 100%);
  --c-ink:#14181C;
  --c-mint:#16C79A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-line:#ECE3DA;
  --c-text:#1A1E23;
  --c-text-2:#5B6570;
  --c-text-3:#8C949C;
  --c-danger:#E5484D;
  --c-soft:#F7F3EF;
  --sh-1:0 4px 16px rgba(20,24,28,.05);
  --sh-2:0 10px 30px rgba(20,24,28,.08);
  --sh-brand:0 12px 28px rgba(255,90,43,.22);
  --r-card:22px;
  --r-lg:28px;
  --r-md:16px;
  --r-sm:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
input,textarea,button{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,43,.3);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-text);}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-on-grad{background:#fff;color:var(--c-brand);box-shadow:0 10px 24px rgba(20,24,28,.12);}
.btn-on-grad:hover{transform:translateY(-2px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;
  border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-soft{background:rgba(255,90,43,.10);color:var(--c-brand);}
.badge-data{background:#F4FAF8;color:var(--c-text-2);}
.badge-data::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-mint);}
.badge-grad{background:var(--grad);color:#fff;box-shadow:var(--sh-brand);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.02em;color:var(--c-brand);
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad);}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);
  font-size:15px;font-weight:600;
}
.link-arrow svg{transition:transform var(--t) var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

.section{padding:96px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.section-head p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:640px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,24,28,.03);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;gap:32px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 14px rgba(255,90,43,.28);flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);
  padding:6px 0;transition:color var(--t) var(--ease);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:-6px;width:20px;height:3px;border-radius:2px;
  background:var(--grad);transform:translateX(-50%) scaleX(0);transform-origin:center;
  transition:transform var(--t) var(--ease);
}
.main-nav a:hover,.main-nav a:focus-visible{color:var(--c-text);}
.main-nav a:hover::after,.main-nav a.active::after{transform:translateX(-50%) scaleX(1);}
.main-nav a.active{color:var(--c-text);font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 14px;
  background:var(--c-soft);border:1.5px solid transparent;border-radius:999px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease);
}
.nav-search svg{width:17px;height:17px;color:var(--c-text-3);flex-shrink:0;}
.nav-search input{
  width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text);
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search:focus-within{border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 3px rgba(255,90,43,.15);}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;cursor:pointer;
}
.nav-toggle span{position:absolute;left:12px;right:12px;top:50%;height:2px;margin-top:-1px;background:var(--c-text);border-radius:2px;transition:background var(--t) var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;right:0;height:2px;background:var(--c-text);
  border-radius:2px;transition:transform var(--t) var(--ease),top var(--t) var(--ease);
}
.nav-toggle span::before{top:-7px;}
.nav-toggle span::after{top:7px;}
.nav-toggle.open span{background:transparent;}
.nav-toggle.open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg);}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFF1E8 0%,var(--c-bg) 100%);
  padding:48px 0 56px;
}
.cat-hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;min-height:280px;
}
.breadcrumb{font-size:14px;color:var(--c-text-3);margin-bottom:18px;}
.breadcrumb a{color:var(--c-text-3);transition:color var(--t) var(--ease);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb span{margin:0 6px;}
.cat-hero h1{
  font-size:48px;font-weight:800;line-height:1.18;letter-spacing:-.02em;
  max-width:16em;
}
.cat-hero .hero-sub{
  margin-top:18px;font-size:16px;color:var(--c-text-2);max-width:600px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cat-hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.cat-hero-media img{width:100%;height:340px;object-fit:cover;}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,24,28,0) 45%,rgba(20,24,28,.55) 100%);
}
.hero-media-card{
  position:absolute;left:20px;bottom:20px;z-index:2;background:#fff;border-radius:var(--r-md);
  padding:12px 18px;box-shadow:var(--sh-2);display:flex;align-items:baseline;gap:10px;
}
.hero-media-card strong{font-size:26px;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1;}
.hero-media-card span{font-size:13px;color:var(--c-text-2);}

/* ---------- 双列大图分区 ---------- */
.zone-grid{
  display:grid;grid-template-columns:55% 45%;gap:48px;align-items:start;
}
.zone.reverse .zone-media{order:2;}
.zone.reverse .zone-body{order:1;}
.zone-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--sh-2);}
.zone-media img{width:100%;height:100%;min-height:360px;aspect-ratio:4/3;object-fit:cover;transition:transform 500ms var(--ease);}
.zone-media:hover img{transform:scale(1.04);}
.zone-tag{
  position:absolute;top:18px;left:18px;z-index:2;
}
.zone-float{
  position:absolute;right:18px;bottom:18px;z-index:2;background:#fff;border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);text-align:left;
}
.zone-float strong{display:block;font-size:22px;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1.1;}
.zone-float span{font-size:12px;color:var(--c-text-2);}
.zone-body h2{font-size:34px;font-weight:700;line-height:1.25;margin-top:12px;letter-spacing:-.01em;}
.zone-body .lead{margin-top:16px;font-size:16px;color:var(--c-text-2);}
.spec-list{margin-top:22px;display:grid;gap:10px;}
.spec-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-text-2);}
.spec-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.zone-body .link-arrow{margin-top:22px;}
.mini-list{margin-top:26px;display:grid;gap:12px;}
.mini-card{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:12px;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,43,.35);}
.mini-card img{width:80px;height:80px;border-radius:var(--r-sm);object-fit:cover;flex-shrink:0;}
.mini-card h3{font-size:16px;font-weight:600;line-height:1.4;}
.mini-card .mini-meta{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap;}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:var(--sh-brand);margin-bottom:18px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:20px;font-weight:600;line-height:1.4;}
.step p{margin-top:10px;font-size:15px;color:var(--c-text-2);}
.step-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.plan-bar{
  margin-top:28px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px 26px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
}
.plan-bar p{font-size:15px;color:var(--c-text-2);}
.plan-bar strong{color:var(--c-text);font-weight:700;}

/* ---------- 保障条 ---------- */
.guarantee{padding:40px 0;}
.guarantee-grid{
  display:grid;grid-template-columns:repeat(4,1fr);background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.g-item{display:flex;gap:14px;padding:26px 24px;border-right:1px solid var(--c-line);}
.g-item:last-child{border-right:0;}
.g-icon{
  width:44px;height:44px;border-radius:14px;background:rgba(255,90,43,.10);
  display:grid;place-items:center;color:var(--c-brand);flex-shrink:0;
}
.g-icon svg{width:22px;height:22px;}
.g-item h3{font-size:16px;font-weight:600;}
.g-item p{font-size:14px;color:var(--c-text-2);margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:40% 60%;gap:48px;align-items:start;}
.faq-intro h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.faq-intro p{margin-top:16px;font-size:15px;color:var(--c-text-2);max-width:340px;}
.faq-intro .btn{margin-top:26px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px;overflow:hidden;transition:box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  opacity:0;transition:opacity var(--t) var(--ease);
}
.faq-item.open{box-shadow:var(--sh-1);border-color:rgba(255,90,43,.28);}
.faq-item.open::before{opacity:1;}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  background:none;border:0;padding:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-text);line-height:1.5;
}
.faq-icon{
  position:relative;width:24px;height:24px;flex-shrink:0;border-radius:50%;
  background:rgba(255,90,43,.10);transition:transform var(--t) var(--ease),background var(--t) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:opacity var(--t) var(--ease);}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--grad);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 320ms var(--ease),margin-top 320ms var(--ease);
}
.faq-item.open .faq-a{max-height:320px;margin-top:12px;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--c-text-2);}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;background:var(--grad);border-radius:var(--r-lg);
  padding:56px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  color:#fff;box-shadow:var(--sh-brand);
}
.cta-card h2{font-size:34px;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
.cta-card p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9);max-width:640px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-deco{
  position:absolute;right:-30px;bottom:-50px;font-size:180px;font-weight:800;
  color:rgba(255,255,255,.14);line-height:1;pointer-events:none;font-variant-numeric:tabular-nums;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#fff;padding:80px 0 32px;margin-top:96px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.site-footer .logo-text{color:#fff;}
.footer-brand .logo{margin-bottom:18px;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;max-width:340px;}
.footer-contact{margin-top:16px;font-size:14px;color:rgba(255,255,255,.68);line-height:1.9;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.footer-badges .badge-soft{background:rgba(255,90,43,.18);color:#FFB020;}
.footer-badges .badge-data{background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.68);display:inline-block;
  transition:color var(--t) var(--ease),transform var(--t) var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(-2px);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .links a{color:rgba(255,255,255,.55);transition:color var(--t) var(--ease);}
.footer-bottom .links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:180px;}
  .main-nav{gap:20px;}
  .cat-hero h1{font-size:40px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav-wrap{height:60px;gap:16px;}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:12px 24px 28px;box-shadow:var(--sh-2);
    max-height:calc(100vh - 60px);overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:transform var(--t) var(--ease),opacity var(--t) var(--ease),visibility var(--t);
  }
  .main-nav.open{transform:none;opacity:1;visibility:visible;}
  .main-nav a{padding:15px 0;font-size:18px;border-bottom:1px solid var(--c-line);}
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--c-brand);}
  .nav-search{display:none;}
  .nav-toggle{display:block;}
  .cat-hero{padding:32px 0 44px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;}
  .cat-hero h1{font-size:38px;max-width:none;}
  .cat-hero-media img{height:260px;}
  .zone-grid{grid-template-columns:1fr;gap:28px;}
  .zone.reverse .zone-media{order:0;}
  .zone.reverse .zone-body{order:1;}
  .section-head h2,.zone-body h2,.faq-intro h2,.cta-card h2{font-size:28px;}
  .steps{grid-template-columns:1fr 1fr;}
  .guarantee-grid{grid-template-columns:1fr 1fr;}
  .g-item:nth-child(2){border-right:0;}
  .g-item:nth-child(1),.g-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-intro p{max-width:none;}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;}
  .cta-deco{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{padding:56px 0 28px;margin-top:64px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .logo-text{font-size:17px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero .hero-sub{font-size:15px;}
  .cat-hero-media img{height:200px;}
  .section-head h2,.zone-body h2,.faq-intro h2,.cta-card h2{font-size:22px;}
  .section-head{margin-bottom:26px;}
  .zone-media img{min-height:220px;aspect-ratio:16/10;}
  .steps{grid-template-columns:1fr;}
  .guarantee-grid{grid-template-columns:1fr;}
  .g-item{border-right:0;border-bottom:1px solid var(--c-line);}
  .g-item:last-child{border-bottom:0;}
  .mini-card img{width:64px;height:64px;}
  .mini-card h3{font-size:15px;}
  .faq-q{font-size:16px;}
  .cta-card{padding:32px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-actions .btn{flex:1;}
  .plan-bar{padding:18px;}
}

/* roulang page: category4 */
:root{
  --c-brand:#FF5A2B;
  --c-brand-2:#FF8A1E;
  --c-brand-3:#FFB020;
  --grad:linear-gradient(135deg,#FF5A2B 0%,#FF8A1E 52%,#FFB020 100%);
  --c-ink:#14181C;
  --c-mint:#16C79A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-line:#ECE3DA;
  --c-text:#1A1E23;
  --c-text-2:#5B6570;
  --c-text-3:#8C949C;
  --c-danger:#E5484D;
  --sh-1:0 4px 16px rgba(20,24,28,.05);
  --sh-2:0 10px 30px rgba(20,24,28,.08);
  --sh-brand:0 12px 28px rgba(255,90,43,.22);
  --r-card:22px;
  --r-hero:28px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
  --sp-section:96px;
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,24,28,.03);
  transition:box-shadow var(--dur) var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  height:var(--nav-h);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:30px;height:30px;
  border-radius:9px;
  background:var(--grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 14px rgba(255,90,43,.24);
  flex-shrink:0;
}
.logo-mark svg{width:19px;height:19px;}
.logo-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--c-text);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  flex:1;
  min-width:0;
}
.main-nav a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  padding:6px 0;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  width:0;
  height:3px;
  border-radius:3px;
  background:var(--grad);
  transform:translateX(-50%);
  transition:width var(--dur) var(--ease);
}
.main-nav a:hover{color:var(--c-text);}
.main-nav a:hover::after,
.main-nav a.active::after{width:20px;}
.main-nav a.active{color:var(--c-text);font-weight:600;}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex-shrink:0;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:220px;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:#F7F3EF;
  border:1.5px solid transparent;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(255,90,43,.15);
}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex-shrink:0;}
.nav-search input{
  width:100%;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--c-text);
  outline:none;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1.5px solid var(--c-line);
  background:#fff;
  position:relative;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--c-text);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:var(--c-text);
  border-radius:2px;
  transition:transform var(--dur) var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh-brand);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,43,.3);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:#fff;
  color:var(--c-text);
  border:1.5px solid var(--c-line);
}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--c-brand);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-soft{background:rgba(255,90,43,.10);color:var(--c-brand);}
.badge-data{background:#F4FAF8;color:var(--c-text-2);}
.badge-data::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-mint);
  flex-shrink:0;
}
.badge-grad{background:var(--grad);color:#fff;box-shadow:var(--sh-brand);}

/* ============ 分类 Hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(720px 340px at 88% 0%,rgba(255,138,30,.16),transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-3);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb span{color:var(--c-text-3);}
.breadcrumb .current{color:var(--c-text-2);}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,90,43,.10);
  color:var(--c-brand);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:48px;
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:16px;
  color:var(--c-text-2);
  max-width:520px;
  margin-bottom:26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:26px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-media{
  position:relative;
  border-radius:var(--r-hero);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
}
.hero-media img{
  width:100%;height:100%;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,24,28,0) 42%,rgba(20,24,28,.62) 100%);
}
.hero-media .float-card{
  position:absolute;
  left:20px;
  bottom:20px;
  z-index:2;
  background:#fff;
  border-radius:16px;
  padding:12px 18px;
  box-shadow:var(--sh-2);
  display:flex;
  align-items:center;
  gap:12px;
}
.hero-media .float-card b{
  font-size:26px;
  font-weight:800;
  color:var(--c-brand);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.hero-media .float-card small{
  display:block;
  font-size:13px;
  color:var(--c-text-2);
  line-height:1.4;
}
.hero-media .corner-badge{
  position:absolute;
  top:18px;left:18px;
  z-index:2;
}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:34px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.section-head p{
  font-size:15px;
  color:var(--c-text-2);
  max-width:640px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-brand);
  white-space:nowrap;
}
.link-arrow span{transition:transform var(--dur) var(--ease);}
.link-arrow:hover span{transform:translateX(3px);}

/* ============ 编号流程 ============ */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step-card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:30px 24px 26px;
  box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,90,43,.32);
}
.step-num{
  width:40px;height:40px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-size:16px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 18px rgba(255,90,43,.24);
  margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:10px;
}
.step-card p{
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.75;
}
.step-card .step-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}

/* ============ 横向图文说明 ============ */
.split-block{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-hero);
  box-shadow:var(--sh-1);
  padding:32px;
}
.split-media{
  border-radius:24px;
  overflow:hidden;
  aspect-ratio:5/4;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.split-block:hover .split-media img{transform:scale(1.04);}
.split-copy h2{
  font-size:30px;
  font-weight:700;
  line-height:1.3;
  margin-bottom:16px;
}
.split-copy p{
  font-size:15px;
  color:var(--c-text-2);
  margin-bottom:14px;
}
.mini-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:22px;
}
.mini-item{
  display:flex;
  gap:14px;
  align-items:center;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:#FFFDFB;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.mini-item:hover{border-color:rgba(255,90,43,.4);transform:translateX(3px);}
.mini-thumb{
  width:64px;height:64px;
  border-radius:12px;
  overflow:hidden;
  flex-shrink:0;
}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-body h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:4px;
}
.mini-body p{
  font-size:13px;
  color:var(--c-text-2);
  margin:0;
}

/* ============ 面料卡三列 ============ */
.fabric-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.fabric-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.fabric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.fabric-card h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:10px;
}
.fabric-card p{
  font-size:14px;
  color:var(--c-text-2);
  margin-bottom:16px;
}
.fabric-row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  padding:9px 0;
  border-top:1px dashed var(--c-line);
  color:var(--c-text-2);
}
.fabric-row b{
  color:var(--c-text);
  font-weight:600;
  font-variant-numeric:tabular-nums;
}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:38% 62%;
  gap:48px;
  align-items:start;
}
.faq-aside h2{
  font-size:34px;
  font-weight:700;
  line-height:1.25;
  margin-bottom:14px;
}
.faq-aside p{
  font-size:15px;
  color:var(--c-text-2);
  margin-bottom:22px;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:16px;
  padding:20px 22px;
  transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:3px;
  background:var(--grad);
  opacity:0;
  transition:opacity var(--dur) var(--ease);
}
.faq-item.open{box-shadow:var(--sh-1);}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  line-height:1.5;
}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex-shrink:0;
  color:var(--c-brand);
  transition:transform var(--dur) var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:2px;
}
.faq-icon::before{top:9px;left:2px;width:16px;height:2px;}
.faq-icon::after{top:2px;left:9px;width:2px;height:16px;transition:opacity var(--dur) var(--ease);}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms var(--ease);
}
.faq-a p{
  padding-top:14px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-2);
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--grad);
  border-radius:var(--r-hero);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--sh-brand);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-40px;
  width:280px;height:280px;
  border-radius:50%;
  border:36px solid rgba(255,255,255,.14);
  pointer-events:none;
}
.cta-band h2{
  font-size:32px;
  font-weight:800;
  color:#fff;
  line-height:1.3;
  margin-bottom:10px;
  letter-spacing:-.01em;
}
.cta-band p{
  font-size:15px;
  color:rgba(255,255,255,.9);
  max-width:560px;
}
.cta-band .btn-ghost{
  position:relative;
  z-index:2;
  height:48px;
  padding:0 30px;
  font-size:15px;
  flex-shrink:0;
}

/* ============ 尺码提示条 ============ */
.notice-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  background:#FFF1E8;
  border-radius:16px;
  padding:16px 20px;
  font-size:14px;
  color:var(--c-text-2);
  border:1px solid rgba(255,90,43,.16);
  margin-bottom:32px;
}
.notice-bar strong{color:var(--c-brand);font-weight:700;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:#fff;
  padding:80px 0 32px;
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:16px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand .logo-text{color:#fff;}
.footer-desc{
  font-size:14px;
  color:rgba(255,255,255,.68);
  line-height:1.8;
  margin:18px 0;
  max-width:340px;
}
.footer-contact{
  font-size:14px;
  color:rgba(255,255,255,.68);
  line-height:1.9;
}
.footer-contact strong{color:#fff;font-weight:700;font-variant-numeric:tabular-nums;}
.footer-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}
.footer-badges .badge-soft{background:rgba(255,138,30,.18);color:#FFC08A;}
.footer-badges .badge-data{background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  display:inline-block;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(-2px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom .links{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
}
.footer-bottom .links a{color:rgba(255,255,255,.55);}
.footer-bottom .links a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sp-section:80px;}
  .page-hero h1{font-size:40px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:1023px){
  :root{--sp-section:64px;--nav-h:66px;}
  .nav-wrap{gap:16px;}
  .main-nav{
    position:fixed;
    top:var(--nav-h);
    left:0;
    right:0;
    bottom:0;
    z-index:880;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 24px 40px;
    background:#fff;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .main-nav.open{display:flex;}
  .main-nav a{
    font-size:18px;
    padding:16px 4px;
    border-bottom:1px solid var(--c-line);
    color:var(--c-text);
  }
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--c-brand);}
  .nav-toggle{display:inline-flex;}
  .nav-search{width:180px;}
  .hero-inner{grid-template-columns:1fr;gap:28px;}
  .hero-media{aspect-ratio:16/10;order:-1;}
  .page-hero{padding:32px 0 48px;}
  .page-hero h1{font-size:38px;}
  .hero-lead{max-width:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:28px;}
  .split-block{grid-template-columns:1fr;gap:28px;padding:24px;}
  .split-copy h2{font-size:26px;}
  .fabric-grid{grid-template-columns:1fr 1fr;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside h2{font-size:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-band h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}

@media (max-width:767px){
  :root{--sp-section:44px;--nav-h:60px;}
  body{font-size:15px;}
  .container{padding:0 16px;}
  .nav-search{display:none;}
  .logo-text{font-size:17px;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-media .float-card{padding:10px 14px;left:14px;bottom:14px;}
  .hero-media .float-card b{font-size:22px;}
  .steps-grid{grid-template-columns:1fr;gap:16px;}
  .fabric-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:22px;}
  .split-copy h2{font-size:22px;}
  .step-card{padding:24px 20px;}
  .faq-q{font-size:16px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .site-footer{padding:52px 0 26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .mini-thumb{width:56px;height:56px;}
  .breadcrumb{font-size:12px;}
}

@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .mini-item{padding:10px 12px;gap:10px;}
  .notice-bar{font-size:13px;}
}

/* roulang page: category5 */
:root{
  --c-brand:#FF5A2B;
  --c-brand-2:#FF8A1E;
  --c-brand-3:#FFB020;
  --grad:linear-gradient(135deg,#FF5A2B 0%,#FF8A1E 52%,#FFB020 100%);
  --c-ink:#14181C;
  --c-mint:#16C79A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-line:#ECE3DA;
  --c-text:#1A1E23;
  --c-text-2:#5B6570;
  --c-text-3:#8C949C;
  --c-danger:#E5484D;
  --r-card:22px;
  --r-hero:28px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:16px;
  --sh-1:0 4px 16px rgba(20,24,28,.05);
  --sh-2:0 10px 30px rgba(20,24,28,.08);
  --sh-brand:0 12px 28px rgba(255,90,43,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,24,28,.03);
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(255,90,43,.28);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{
  font-size:18px;font-weight:800;letter-spacing:-.02em;
  color:var(--c-text);white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.main-nav a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;font-weight:500;
  color:var(--c-text-2);border-radius:10px;
  transition:color 220ms var(--ease);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:-1px;
  width:20px;height:3px;border-radius:2px;
  background:var(--grad);
  transform:translateX(-50%) scaleX(0);
  transform-origin:center;
  opacity:0;transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.main-nav a:hover,.main-nav a:focus-visible,.main-nav a.active{color:var(--c-text)}
.main-nav a:hover::after,.main-nav a.active::after{opacity:1;transform:translateX(-50%) scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:block}
.nav-search svg{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--c-text-3);pointer-events:none;
}
.nav-search input{
  width:220px;height:40px;
  border:1px solid transparent;border-radius:var(--r-btn);
  background:#F7F3EF;color:var(--c-text);
  font-size:14px;padding:0 16px 0 36px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search input:focus{
  outline:none;background:#fff;
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(255,90,43,.15);
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.nav-toggle span{
  position:relative;display:block;width:16px;height:2px;border-radius:2px;
  background:var(--c-text);transition:background 220ms var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;
  background:var(--c-text);transition:transform 220ms var(--ease),top 220ms var(--ease);
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.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)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
  text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:var(--sh-brand)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-white{background:#fff;color:var(--c-brand);box-shadow:0 10px 24px rgba(20,24,28,.18);position:relative;z-index:1}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(20,24,28,.24)}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:var(--r-btn);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
}
.badge-soft{background:rgba(255,90,43,.10);color:var(--c-brand)}
.badge-data{background:#F4FAF8;color:var(--c-text-2)}
.badge-data::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-mint);
}
.badge-grad{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:48px 0 56px;
  background-image:
    linear-gradient(115deg,#FFF7F1 0%,rgba(255,247,241,.94) 42%,rgba(255,247,241,.55) 72%,rgba(255,241,232,.35) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--c-line);
}
.cat-hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.breadcrumb{font-size:14px;color:var(--c-text-3);margin-bottom:18px}
.breadcrumb a{color:var(--c-text-3);transition:color 220ms var(--ease)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{margin:0 6px}
.cat-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin:16px 0 14px;
}
.cat-hero .hero-sub{
  font-size:16px;color:var(--c-text-2);max-width:520px;line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.cat-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-hero);box-shadow:var(--sh-2);
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tint{background:#FFFFFF;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.section-title{
  font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
.section-sub{font-size:15px;color:var(--c-text-2);margin-top:12px;max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-brand);
  transition:gap 220ms var(--ease);
}
.link-more:hover{gap:10px}

/* ---------- 三列对比卡 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.compare-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.compare-card.featured{
  border-color:rgba(255,90,43,.32);
  box-shadow:var(--sh-2);
  transform:scale(1.02);
  z-index:1;
}
.compare-card.featured::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  border-radius:var(--r-card) var(--r-card) 0 0;
  background:var(--grad);
}
.compare-card.featured:hover{transform:scale(1.02) translateY(-4px)}
.compare-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.compare-name{font-size:22px;font-weight:700;letter-spacing:-.01em}
.compare-lead{font-size:14px;color:var(--c-text-2);line-height:1.8;margin:8px 0 20px;min-height:50px}
.compare-specs{display:flex;flex-direction:column;margin-bottom:20px}
.compare-specs > div{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed var(--c-line);
  font-size:14px;
}
.compare-specs dt{color:var(--c-text-2)}
.compare-specs dd{font-weight:600;color:var(--c-text);font-variant-numeric:tabular-nums;text-align:right}
.compare-price{display:flex;align-items:baseline;gap:10px;margin-top:auto;margin-bottom:18px}
.compare-price strong{
  font-size:28px;font-weight:800;color:var(--c-brand);
  font-variant-numeric:tabular-nums;line-height:1;
}
.compare-price span{font-size:13px;color:var(--c-text-3)}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--c-line);border-radius:14px;
  background:var(--c-surface);box-shadow:var(--sh-1);
}
table{width:100%;min-width:780px;border-collapse:collapse;font-variant-numeric:tabular-nums}
caption{
  caption-side:top;text-align:left;padding:18px 18px 0;
  font-size:13px;color:var(--c-text-3);font-weight:500;
}
thead th{
  background:#FFF7F1;color:var(--c-text);
  font-size:14px;font-weight:600;text-align:left;
  padding:16px 18px;white-space:nowrap;
}
tbody td{
  padding:16px 18px;border-top:1px solid var(--c-line);
  font-size:14px;color:var(--c-text-2);
}
tbody td:first-child{color:var(--c-text);font-weight:600;white-space:nowrap}
tbody td strong{color:var(--c-brand);font-weight:700}
tbody tr:hover{background:#FFFBF7}

/* ---------- 发布节奏 ---------- */
.rhythm{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.step{
  display:flex;gap:16px;padding:18px 0;
  border-bottom:1px dashed var(--c-line);
}
.step:first-child{padding-top:0}
.step:last-child{border-bottom:none;padding-bottom:0}
.step-no{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-brand);
}
.step h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:4px}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.8}
.rhythm-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:24px;box-shadow:var(--sh-2);
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.faq-intro h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.faq-intro p{font-size:15px;color:var(--c-text-2);margin-top:14px;max-width:360px}
.faq-intro .btn{margin-top:24px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  position:relative;overflow:hidden;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:16px;
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.faq-item:hover{border-color:#E2D6C9}
.faq-item.open{box-shadow:var(--sh-1);border-color:rgba(255,90,43,.28)}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad);
}
.faq-q{
  width:100%;display:block;position:relative;
  background:none;border:none;text-align:left;
  padding:20px 56px 20px 22px;
  font-size:17px;font-weight:600;line-height:1.5;
  color:var(--c-text);cursor:pointer;
  transition:color 220ms var(--ease);
}
.faq-q:hover{color:var(--c-brand)}
.faq-q::after{
  content:"+";position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  font-size:24px;font-weight:400;line-height:1;
  color:var(--c-brand);
  transition:transform 220ms var(--ease);
}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  padding:0 22px;
  font-size:15px;line-height:1.8;color:var(--c-text-2);
  transition:max-height 280ms var(--ease),padding 280ms var(--ease);
}
.faq-item.open .faq-a{max-height:360px;padding:0 22px 20px}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:var(--r-hero);
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-brand);
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-80px;
  width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.15);
}
.cta-card h2{
  position:relative;z-index:1;
  font-size:34px;font-weight:700;line-height:1.25;
  color:#fff;letter-spacing:-.01em;
}
.cta-card p{
  position:relative;z-index:1;
  font-size:15px;color:rgba(255,255,255,.92);margin-top:10px;
  max-width:520px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#fff;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:80px 0 48px;
  border-top:1px solid rgba(255,255,255,.08);
}
.site-footer .logo-text{color:#fff}
.footer-desc{
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);
  margin:16px 0;
}
.footer-contact{font-size:14px;color:rgba(255,255,255,.68);line-height:1.9}
.footer-contact strong{color:#fff;font-weight:600;font-variant-numeric:tabular-nums}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.site-footer .badge-soft{background:rgba(255,90,43,.20);color:#FFC1AB}
.site-footer .badge-data{background:rgba(255,255,255,.08);color:rgba(255,255,255,.82)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:12px}
.footer-col a{
  display:inline-block;font-size:14px;color:rgba(255,255,255,.68);
  transition:color 220ms var(--ease),transform 220ms var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0 32px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a{color:rgba(255,255,255,.55);transition:color 220ms var(--ease)}
.footer-bottom .links a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .nav-search input{width:180px}
  .main-nav a{padding:8px 9px;font-size:14px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .cta-band{padding:0 0 64px}
  .nav-wrap{height:64px}
  .main-nav{
    display:none;
    position:fixed;left:0;right:0;top:64px;
    height:calc(100vh - 64px);overflow-y:auto;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:12px 20px 28px;
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
  }
  .main-nav.open{display:flex}
  .main-nav a{
    padding:15px 4px;font-size:18px;font-weight:500;
    border-bottom:1px solid var(--c-line);border-radius:0;
  }
  .main-nav a::after{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .cat-hero{padding:32px 0 44px}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px}
  .cat-hero-media{order:-1}
  .cat-hero-media img{aspect-ratio:16/9;border-radius:20px}
  .section-title,.faq-intro h2,.cta-card h2{font-size:28px}
  .compare-grid{grid-template-columns:1fr;gap:18px}
  .compare-card.featured{transform:none}
  .compare-card.featured:hover{transform:translateY(-4px)}
  .rhythm{grid-template-columns:1fr;gap:32px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-intro p{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 40px}
  .footer-brand{grid-column:1 / -1}
  .cta-card{padding:44px 32px;border-radius:24px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .cta-band{padding:0 0 44px}
  .logo-text{font-size:17px}
  .cat-hero h1{font-size:28px}
  .section-title,.faq-intro h2,.cta-card h2{font-size:23px}
  .section-sub{font-size:14px}
  .compare-card{padding:22px}
  .compare-name{font-size:20px}
  .compare-price strong{font-size:24px}
  .faq-q{font-size:16px;padding:18px 48px 18px 18px}
  .faq-a{padding:0 18px}
  .faq-item.open .faq-a{padding:0 18px 18px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px 24px}
  .cta-card::after{width:200px;height:200px;right:-70px;top:-70px}
  .hero-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .footer-brand{grid-column:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .step{padding:16px 0}
  .step h3{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category6 */
:root{
  --c-brand:#FF5A2B;
  --c-brand-2:#FF8A1E;
  --c-brand-3:#FFB020;
  --grad:linear-gradient(135deg,#FF5A2B 0%,#FF8A1E 52%,#FFB020 100%);
  --c-ink:#14181C;
  --c-mint:#16C79A;
  --c-bg:#FFF7F1;
  --c-surface:#FFFFFF;
  --c-line:#ECE3DA;
  --c-text:#1A1E23;
  --c-text-2:#5B6570;
  --c-text-3:#8C949C;
  --c-danger:#E5484D;
  --r-card:22px;
  --r-lg:28px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 4px 16px rgba(20,24,28,.05);
  --sh-2:0 10px 30px rgba(20,24,28,.08);
  --sh-brand:0 12px 28px rgba(255,90,43,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:3px;}

.container{
  width:100%;
  max-width:var(--w);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}

/* ---------- 通用文本 ---------- */
.h1{font-size:48px;font-weight:800;line-height:1.18;letter-spacing:-.02em;}
.h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.h3{font-size:22px;font-weight:600;line-height:1.4;}
.lead{font-size:16px;line-height:1.8;color:var(--c-text-2);}
.muted{font-size:14px;color:var(--c-text-2);}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.02em;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-soft{background:rgba(255,90,43,.10);color:var(--c-brand);}
.badge-data{background:#F4FAF8;color:var(--c-text-2);}
.badge-data::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-mint);}
.badge-grad{background:var(--grad);color:#fff;box-shadow:var(--sh-brand);}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,43,.3);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-text);}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-white{background:#fff;color:var(--c-brand);box-shadow:0 10px 24px rgba(20,24,28,.14);}
.btn-white:hover{transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-brand);
  font-size:15px;
  font-weight:600;
}
.link-more span{transition:transform .22s var(--ease);}
.link-more:hover span{transform:translateX(3px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,24,28,.03);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(255,90,43,.26);
}
.logo-mark svg{width:17px;height:17px;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  width:20px;
  height:3px;
  border-radius:999px;
  background:var(--grad);
  transform:translateX(-50%) scaleX(0);
  transform-origin:center;
  transition:transform .22s var(--ease);
}
.main-nav a:hover{color:var(--c-text);}
.main-nav a:hover::after{transform:translateX(-50%) scaleX(1);}
.main-nav a.active{color:var(--c-text);font-weight:600;}
.main-nav a.active::after{transform:translateX(-50%) scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:220px;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  background:#F7F3EF;
  border:1.5px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex-shrink:0;}
.nav-search input{
  width:100%;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--c-text);
  outline:none;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(255,90,43,.15);
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1.5px solid var(--c-line);
  background:#fff;
  align-items:center;
  justify-content:center;
  padding:0;
}
.nav-toggle span{
  position:relative;
  display:block;
  width:16px;height:2px;
  border-radius:2px;
  background:var(--c-text);
  transition:background .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:2px;
  border-radius:2px;
  background:var(--c-text);
  transition:transform .22s var(--ease);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-5px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  padding:24px 0 0;
  font-size:14px;
  color:var(--c-text-3);
}
.crumb a{color:var(--c-text-3);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{color:#C9BFB4;}
.crumb .current{color:var(--c-text-2);}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:32px 0 56px;}
.cat-hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:48px;
  align-items:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:44px 40px;
}
.cat-hero-text .badge-row{margin-bottom:18px;}
.cat-hero h1{
  font-size:44px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.cat-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero .lead{max-width:520px;margin-bottom:22px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.cat-hero-media{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  min-height:300px;
  box-shadow:var(--sh-2);
}
.cat-hero-media img{
  width:100%;height:100%;
  min-height:300px;
  object-fit:cover;
}
.cat-hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(20,24,28,0) 38%,rgba(20,24,28,.62) 100%);
}
.cat-hero-note{
  position:absolute;
  left:18px;right:18px;bottom:18px;
  z-index:2;
  color:#fff;
}
.cat-hero-note strong{display:block;font-size:20px;font-weight:800;letter-spacing:-.01em;}
.cat-hero-note span{font-size:13px;color:rgba(255,255,255,.82);}
.cat-hero-media .badge-grad{position:absolute;top:16px;left:16px;z-index:2;}

/* ---------- 图文交替 ---------- */
.zigzag{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:56px 0;
}
.zigzag + .zigzag{border-top:1px solid var(--c-line);}
.zigzag.reverse .zigzag-text{order:2;}
.zigzag.reverse .zigzag-media{order:1;}
.zigzag-text h2{margin-bottom:14px;}
.zigzag-text p{
  font-size:16px;
  line-height:1.85;
  color:var(--c-text-2);
  margin-bottom:14px;
}
.zigzag-text p strong{color:var(--c-text);font-weight:600;}
.zigzag-media{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
}
.zigzag-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.zigzag-media:hover img{transform:scale(1.04);}
.zigzag-tag{
  position:absolute;
  top:16px;left:16px;
  z-index:2;
}
.zigzag-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:12px;
  background:rgba(255,90,43,.10);
  color:var(--c-brand);
  font-size:14px;
  font-weight:800;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}

/* ---------- 板块标题 ---------- */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{margin-bottom:8px;}
.section-head .sub{font-size:15px;color:var(--c-text-2);}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step-card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F3D8C9;}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-size:16px;
  font-weight:800;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(255,90,43,.24);
}
.step-card h3{font-size:18px;margin-bottom:8px;}
.step-card p{font-size:14px;line-height:1.75;color:var(--c-text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,.4fr) minmax(0,.6fr);
  gap:48px;
  align-items:start;
}
.faq-side h2{margin-bottom:14px;}
.faq-side p{font-size:15px;line-height:1.8;color:var(--c-text-2);margin-bottom:22px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.is-open{box-shadow:var(--sh-1);border-color:#F3D8C9;}
.faq-q{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:20px 22px;
  border:0;
  background:transparent;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  line-height:1.5;
}
.faq-item.is-open .faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:999px;
  background:var(--grad);
}
.faq-icon{
  position:relative;
  flex-shrink:0;
  width:22px;height:22px;
  border-radius:50%;
  background:rgba(255,90,43,.10);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:10px;height:2px;
  border-radius:2px;
  background:var(--c-brand);
  transform:translate(-50%,-50%);
  transition:transform .22s var(--ease);
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(0deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-2);
}

/* ---------- 服务卡 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.service-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:20px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.service-thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  position:relative;
}
.service-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.service-card:hover .service-thumb img{transform:scale(1.04);}
.service-thumb .badge{position:absolute;top:12px;left:12px;}
.service-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.service-body h3{font-size:19px;margin-bottom:8px;}
.service-body p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin-bottom:16px;}
.service-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.service-foot .muted{font-size:13px;}

/* ---------- CTA 大卡 ---------- */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh-brand);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-60px;top:-80px;
  width:340px;height:340px;
  border-radius:50%;
  background:rgba(255,255,255,.14);
  pointer-events:none;
}
.cta-card h2{color:#fff;font-size:32px;margin-bottom:10px;}
.cta-card p{color:rgba(255,255,255,.9);font-size:15px;line-height:1.8;max-width:620px;}
.cta-card .btn{position:relative;z-index:2;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:#fff;
  padding:80px 0 32px;
  margin-top:96px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.68);
  margin-bottom:18px;
  max-width:340px;
}
.footer-contact{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.68);
  margin-bottom:18px;
}
.footer-contact strong{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;}
.footer-badges .badge-soft{background:rgba(255,255,255,.10);color:#fff;}
.footer-badges .badge-data{background:rgba(255,255,255,.06);color:rgba(255,255,255,.72);}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom .links a{color:rgba(255,255,255,.55);transition:color .2s var(--ease);}
.footer-bottom .links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:170px;}
  .main-nav a{padding:9px 9px;font-size:14px;}
  .cat-hero h1{font-size:38px;}
  .h1{font-size:40px;}
  .h2{font-size:30px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .site-footer{margin-top:64px;padding-top:64px;}
  .nav-search{display:none;}
  .main-nav{
    position:fixed;
    left:0;right:0;top:60px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    padding:12px 16px 20px;
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
    max-height:calc(100vh - 60px);
    overflow-y:auto;
  }
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0);}
  .main-nav a{
    font-size:18px;
    font-weight:500;
    padding:14px 8px;
    border-bottom:1px solid var(--c-line);
    border-radius:0;
  }
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--c-brand);}
  .nav-wrap{height:60px;}
  .nav-toggle{display:inline-flex;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;padding:32px 26px;}
  .cat-hero h1{font-size:34px;}
  .zigzag{grid-template-columns:1fr;gap:28px;padding:44px 0;}
  .zigzag.reverse .zigzag-text{order:0;}
  .zigzag.reverse .zigzag-media{order:1;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:44px 32px;}
  .cta-card h2{font-size:26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .h1{font-size:28px;}
  .h2{font-size:22px;}
  .h3{font-size:18px;}
  .site-footer{margin-top:44px;padding-top:44px;}
  .cat-hero{padding:20px 0 36px;}
  .cat-hero-grid{padding:26px 20px;border-radius:22px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero-media,.cat-hero-media img{min-height:220px;}
  .cat-hero-actions{width:100%;}
  .cat-hero-actions .btn{flex:1;min-width:140px;padding:0 18px;}
  .badge{font-size:12px;padding:0 12px;height:28px;}
  .zigzag-media{aspect-ratio:16/10;border-radius:20px;}
  .steps{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-card{padding:36px 24px;border-radius:22px;}
  .cta-card h2{font-size:22px;}
  .cta-card .btn{width:100%;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .btn{height:44px;padding:0 22px;}
  .nav-right{gap:8px;}
}