/* roulang page: index */
:root{
  --c-primary:#16362E;
  --c-primary-2:#1F5546;
  --c-accent:#C0603A;
  --c-accent-soft:#E2A57F;
  --c-gold:#C9A227;
  --bg:#F7F4EE;
  --bg-white:#FFFFFF;
  --dark:#12312A;
  --text:#1C1F1D;
  --text-2:#5A6560;
  --text-3:#8A918C;
  --border:#E3DED4;
  --line:rgba(18,54,46,.10);
  --ok:#2F7A57;
  --warn:#B4791F;
  --danger:#B23B2E;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(18,49,42,.06);
  --sh-2:0 12px 28px -12px rgba(18,49,42,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --wide:1360px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  line-height:1.3;
  letter-spacing:.015em;
  margin:0 0 .6em;
  color:var(--text);
}
h1{font-size:clamp(30px,4.2vw,46px);}
h2{font-size:clamp(24px,3vw,32px);}
h3{font-size:21px;}
p{margin:0 0 1.15em;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-2);}
img{max-width:100%;display:block;border-radius:var(--r-img);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-wide{width:100%;max-width:var(--wide);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--c-accent);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--c-accent);display:inline-block;}
.section-head p{color:var(--text-2);font-size:17px;margin-bottom:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
  border:1px solid transparent;white-space:nowrap;
}
.btn .arrow{transition:transform var(--t);}
.btn:hover .arrow{transform:translateX(2px);}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -12px rgba(192,96,58,.85);}
.btn-primary:hover{background:#a94f2d;color:#fff;box-shadow:0 14px 26px -12px rgba(192,96,58,.9);transform:translateY(-2px);}
.btn-dark{background:var(--c-primary);color:#fff;}
.btn-dark:hover{background:var(--c-primary-2);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:rgba(22,54,46,.06);color:var(--c-primary);border-color:var(--c-primary-2);}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;}
.btn-sm{padding:9px 16px;font-size:13px;border-radius:8px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- badges / tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;line-height:1.6;font-weight:500;
  background:rgba(22,54,46,.07);color:var(--c-primary);border:1px solid rgba(22,54,46,.12);
}
.tag-accent{background:rgba(192,96,58,.12);color:#9c4a2b;border-color:rgba(192,96,58,.24);}
.tag-gold{background:rgba(201,162,39,.14);color:#8a6e12;border-color:rgba(201,162,39,.28);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(247,244,238,.14);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.20);
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--border);
  box-shadow:0 6px 24px -14px rgba(18,49,42,.35);
}
.nav-wrap{
  display:flex;align-items:center;gap:26px;
  height:72px;transition:height var(--t);
}
.site-header.is-scrolled .nav-wrap{height:62px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;flex-shrink:0;
  display:grid;place-items:center;
  border:1.5px solid rgba(255,255,255,.85);border-radius:9px;
  font-family:"Noto Serif SC",serif;font-size:13px;font-weight:700;letter-spacing:.02em;
  color:#fff;line-height:1;
}
.site-header.is-scrolled .brand-mark{border-color:var(--c-primary);color:var(--c-primary);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:"Noto Serif SC",serif;font-size:17px;color:#fff;letter-spacing:.02em;}
.brand-text small{font-size:11px;color:rgba(255,255,255,.72);letter-spacing:.08em;}
.site-header.is-scrolled .brand-text strong{color:var(--c-primary);}
.site-header.is-scrolled .brand-text small{color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;padding:9px 13px;border-radius:8px;
  font-size:14.5px;color:rgba(255,255,255,.86);transition:background var(--t),color var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--c-accent);border-radius:2px;transform:scaleX(0);transition:transform var(--t);
}
.nav-links a:hover{background:rgba(255,255,255,.12);color:#fff;}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.site-header.is-scrolled .nav-links a{color:var(--text-2);}
.site-header.is-scrolled .nav-links a:hover{background:rgba(22,54,46,.06);color:var(--c-primary);}
.site-header.is-scrolled .nav-links a.active{color:var(--c-primary);}
.nav-tools{display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:186px;height:38px;padding:0 36px 0 14px;
  border-radius:999px;border:1px solid rgba(255,255,255,.42);
  background:rgba(255,255,255,.10);color:#fff;font-size:13.5px;
  transition:border-color var(--t),background var(--t),width var(--t);
}
.nav-search input::placeholder{color:rgba(255,255,255,.65);}
.nav-search input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.2);width:210px;}
.nav-search i{position:absolute;right:13px;font-size:13px;color:rgba(255,255,255,.75);pointer-events:none;}
.site-header.is-scrolled .nav-search input{border-color:var(--border);background:#fff;color:var(--text);}
.site-header.is-scrolled .nav-search input::placeholder{color:var(--text-3);}
.site-header.is-scrolled .nav-search input:focus{border-color:var(--c-primary);}
.site-header.is-scrolled .nav-search i{color:var(--text-3);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;font-size:18px;color:#fff;
  border:1px solid rgba(255,255,255,.4);
}
.site-header.is-scrolled .nav-toggle{color:var(--c-primary);border-color:var(--border);}
.cart-dot{position:relative;}
.cart-dot::after{
  content:attr(data-count);position:absolute;top:-6px;right:-8px;
  min-width:18px;height:18px;padding:0 5px;border-radius:999px;
  background:var(--c-accent);color:#fff;font-size:11px;line-height:18px;text-align:center;font-weight:600;
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,49,42,.5);z-index:110;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;
  width:min(88vw,350px);padding:22px;
  background:rgba(247,244,238,.97);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-left:1px solid var(--border);
  transform:translateX(105%);transition:transform var(--t);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head strong{font-family:"Noto Serif SC",serif;font-size:16px;color:var(--c-primary);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);display:grid;place-items:center;color:var(--c-primary);}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer nav a{
  min-height:46px;display:flex;align-items:center;justify-content:space-between;
  padding:0 14px;border-radius:10px;font-size:15px;color:var(--text);
  border:1px solid transparent;
}
.drawer nav a:hover{background:rgba(22,54,46,.06);color:var(--c-primary);}
.drawer nav a.active{background:rgba(22,54,46,.08);color:var(--c-primary);font-weight:600;border-color:rgba(22,54,46,.14);}
.drawer .field{margin-bottom:14px;}
.drawer input[type="search"]{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--border);background:#fff;
}
.drawer input[type="search"]:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,54,46,.1);}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--dark);
  min-height:560px;display:flex;align-items:center;
  padding:148px 0 84px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.6;transform:scale(1.03);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,49,42,.94) 0%,rgba(18,49,42,.76) 46%,rgba(18,49,42,.34) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;width:100%;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(226,165,127,.55);background:rgba(226,165,127,.14);
  color:#F3D8C6;font-size:12.5px;letter-spacing:.1em;margin-bottom:22px;
}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--c-accent-soft);}
.hero-sub{color:rgba(255,255,255,.82);font-size:17px;max-width:560px;margin-bottom:32px;line-height:1.9;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(255,255,255,.18);padding-top:22px;}
.hero-trust li{
  flex:1 1 0;min-width:118px;padding-right:18px;
  border-right:1px solid rgba(255,255,255,.14);
}
.hero-trust li:last-child{border-right:0;padding-right:0;}
.hero-trust b{display:block;font-size:19px;color:#fff;font-family:"Noto Serif SC",serif;font-variant-numeric:tabular-nums;}
.hero-trust span{font-size:12.5px;color:rgba(255,255,255,.7);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:16px;box-shadow:0 30px 60px -30px rgba(0,0,0,.65);
  border:1px solid rgba(255,255,255,.16);
}
.hero-media .float-card{
  position:absolute;left:-18px;bottom:26px;
  background:rgba(255,255,255,.96);border-radius:12px;padding:14px 18px;
  box-shadow:0 18px 36px -20px rgba(0,0,0,.5);
}
.hero-media .float-card b{display:block;font-size:15px;color:var(--c-primary);}
.hero-media .float-card span{font-size:12.5px;color:var(--text-2);}

/* ---------- assurance strip ---------- */
.assure{background:var(--bg);border-bottom:1px solid var(--line);}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.assure-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:30px 26px;border-right:1px solid var(--line);
}
.assure-item:last-child{border-right:0;}
.assure-item i{
  width:24px;font-size:20px;color:var(--c-primary);line-height:1.6;flex-shrink:0;
}
.assure-item h3{font-family:inherit;font-size:15px;font-weight:600;margin:0 0 3px;}
.assure-item p{font-size:13px;color:var(--text-2);margin:0;line-height:1.7;}

/* ---------- category entries ---------- */
.cat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;background:var(--bg-white);}
.cat-item{
  display:block;padding:30px 26px;border-right:1px solid var(--border);
  transition:background var(--t),transform var(--t);position:relative;
}
.cat-item:last-child{border-right:0;}
.cat-item:hover{background:rgba(22,54,46,.045);}
.cat-item .no{font-family:"Noto Serif SC",serif;font-size:13px;color:var(--c-accent);letter-spacing:.18em;font-weight:700;}
.cat-item h3{font-size:18px;margin:14px 0 8px;}
.cat-item p{font-size:13.5px;color:var(--text-2);margin:0 0 16px;line-height:1.75;}
.cat-item .go{font-size:13px;color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.cat-item .go i{transition:transform var(--t);}
.cat-item:hover .go i{transform:translateX(4px);}

/* ---------- product grid ---------- */
.product-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.product-card{
  grid-column:span 2;
  background:var(--bg-white);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(22,54,46,.18);}
.product-card--lg{grid-column:span 3;}
.pc-media{position:relative;overflow:hidden;background:rgba(22,54,46,.06);}
.pc-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform 400ms var(--ease);}
.product-card:hover .pc-media img{transform:scale(1.04);}
.pc-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 11px;border-radius:999px;background:var(--c-accent);color:#fff;
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
}
.pc-badge.new{background:var(--c-primary);}
.pc-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.pc-title{
  font-size:16px;font-weight:600;line-height:1.5;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.product-card--lg .pc-title{font-size:19px;}
.pc-specs{font-size:13px;color:var(--text-2);line-height:1.85;margin-bottom:12px;}
.pc-specs li{display:flex;gap:8px;}
.pc-specs i{color:var(--c-accent-soft);font-size:11px;line-height:24px;}
.pc-stars{font-size:12.5px;color:var(--c-gold);letter-spacing:.08em;margin-bottom:14px;}
.pc-stars span{color:var(--text-3);letter-spacing:0;margin-left:6px;}
.pc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.pc-price{font-size:17px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.pc-price small{font-size:12px;color:var(--text-3);font-weight:400;margin-left:4px;}

/* ---------- process ---------- */
.process-wrap{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--r-card);padding:44px;}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.process-step{padding:0 26px;border-right:1px dashed var(--line);}
.process-step:last-child{border-right:0;}
.process-step .idx{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:rgba(22,54,46,.07);color:var(--c-primary);
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:14px;margin-bottom:14px;
}
.process-step h3{font-family:inherit;font-size:16px;font-weight:600;margin-bottom:8px;}
.process-step p{font-size:13.5px;color:var(--text-2);margin:0;line-height:1.8;}

/* ---------- reviews ---------- */
.reviews{background:var(--bg-white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.review-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.review-nav{display:flex;gap:10px;}
.review-nav button{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;
  color:var(--c-primary);display:grid;place-items:center;transition:all var(--t);
}
.review-nav button:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.review-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px;display:flex;flex-direction:column;
}
.review-stars{color:var(--c-gold);font-size:13px;letter-spacing:.1em;margin-bottom:14px;}
.review-card p{font-size:14.5px;color:var(--text-2);line-height:1.9;margin-bottom:20px;}
.review-meta{margin-top:auto;display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line);}
.review-avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:rgba(22,54,46,.1);color:var(--c-primary);
  display:grid;place-items:center;font-family:"Noto Serif SC",serif;font-size:14px;font-weight:700;
}
.review-meta b{display:block;font-size:14px;font-weight:600;}
.review-meta span{font-size:12.5px;color:var(--text-3);}

/* ---------- dark cta ---------- */
.cta-band{
  background:var(--dark);color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 42px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 42px);
  opacity:.5;
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:40px;padding:64px 0;
}
.cta-inner h2{color:#fff;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.75);margin:0;font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* ---------- news (cms) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--bg-white);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-thumb{display:block;overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 400ms var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:16.5px;font-weight:600;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--c-primary);}
.news-body p{
  font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);
}
.news-foot .more{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-foot .more i{transition:transform var(--t);}
.news-card:hover .news-foot .more i{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;
  border:1px dashed var(--border);border-radius:var(--r-card);
  background:var(--bg-white);padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--text-3);display:block;margin-bottom:14px;}
.empty-state p{color:var(--text-2);margin-bottom:18px;}
.loading-skeleton{height:14px;border-radius:7px;background:linear-gradient(90deg,#efeae1 25%,#f7f4ee 37%,#efeae1 63%);background-size:400% 100%;animation:shimmer 1.2s ease infinite;}
@keyframes shimmer{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:first-child{border-top:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:16px;font-weight:500;color:var(--text);
  transition:color var(--t);
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--border);display:grid;place-items:center;
  font-size:12px;color:var(--c-primary);transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{padding:0 40px 20px 4px;color:var(--text-2);font-size:14.5px;margin:0;line-height:1.9;}

/* ---------- inquiry ---------- */
.inquiry{
  background:var(--bg-white);border:1px solid var(--border);border-radius:var(--r-card);
  padding:44px;display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;
}
.inquiry h2{font-size:26px;}
.inquiry .lead{color:var(--text-2);font-size:15px;line-height:1.9;}
.inquiry-list{margin-top:22px;}
.inquiry-list li{display:flex;gap:12px;font-size:14px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line);}
.inquiry-list i{color:var(--c-accent);line-height:1.8;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:var(--text);}
.field label .req{color:var(--c-accent);margin-left:3px;}
.field input,.field select,.field textarea{
  height:46px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--border);background:#fff;transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,54,46,.1);
}
.field .hint{font-size:12.5px;color:var(--text-3);}
.field.error input,.field.error textarea{border-color:var(--danger);}
.field.error .hint{color:var(--danger);}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-actions .note{font-size:12.5px;color:var(--text-3);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary);color:rgba(255,255,255,.76);padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{border-color:rgba(255,255,255,.7);color:#fff;}
.footer-brand strong{font-family:"Noto Serif SC",serif;font-size:17px;color:#fff;}
.footer-brand small{display:block;font-size:11.5px;color:rgba(255,255,255,.6);letter-spacing:.06em;}
.site-footer p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12px;padding:4px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.75);
}
.site-footer h4{
  font-family:inherit;font-size:14px;font-weight:600;color:#fff;
  letter-spacing:.06em;margin:0 0 18px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--c-accent-soft);}
.footer-contact li{font-size:13.5px;margin-bottom:12px;display:flex;gap:10px;line-height:1.7;}
.footer-contact i{color:var(--c-accent-soft);line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.52);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .nav-links a{padding:9px 10px;font-size:14px;}
  .nav-search input{width:150px;}
}
@media (max-width:1024px){
  .section{padding:64px 0;}
  .nav-links,.nav-tools{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero{padding:130px 0 68px;min-height:auto;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:-1;}
  .hero-media .float-card{left:14px;bottom:14px;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .assure-item:nth-child(2){border-right:0;}
  .assure-item:nth-child(1),.assure-item:nth-child(2){border-bottom:1px solid var(--line);}
  .cat-strip{grid-template-columns:repeat(2,1fr);}
  .cat-item:nth-child(2){border-right:0;}
  .cat-item:nth-child(1),.cat-item:nth-child(2){border-bottom:1px solid var(--border);}
  .product-grid{grid-template-columns:repeat(4,1fr);}
  .product-card,.product-card--lg{grid-column:span 2;}
  .process{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .process-step:nth-child(2){border-right:0;}
  .review-card{flex:0 0 calc((100% - 24px)/2);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .inquiry{grid-template-columns:1fr;gap:32px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:52px 0;}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.9;}
  .container,.container-wide{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:118px 0 56px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-trust li{flex:1 1 45%;border-right:0;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.12);}
  .hero-trust li:nth-child(3),.hero-trust li:nth-child(4){border-bottom:0;}
  .assure-grid{grid-template-columns:1fr;}
  .assure-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 4px;}
  .assure-item:last-child{border-bottom:0;}
  .cat-strip{grid-template-columns:1fr;}
  .cat-item{border-right:0;border-bottom:1px solid var(--border);}
  .cat-item:last-child{border-bottom:0;}
  .product-grid{grid-template-columns:1fr;}
  .product-card,.product-card--lg{grid-column:auto;}
  .process-wrap{padding:28px 20px;}
  .process{grid-template-columns:1fr;}
  .process-step{padding:0 0 22px;border-right:0;border-bottom:1px dashed var(--line);}
  .process-step:last-child{border-bottom:0;padding-bottom:0;}
  .review-head{flex-direction:column;align-items:flex-start;}
  .review-card{flex:0 0 100%;}
  .news-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .inquiry{padding:26px 20px;}
  .form-actions .btn{width:100%;}
  .faq-a p{padding-right:8px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  .brand-text small{display:none;}
  .review-nav{display:none;}
  .pc-foot{flex-direction:column;align-items:stretch;}
  .pc-foot .btn{width:100%;}
}

/* roulang page: article */
:root{
  --ink:#16362E;
  --ink-2:#1F5546;
  --clay:#C0603A;
  --clay-soft:#E2A57F;
  --gold:#C9A227;
  --bg:#F7F4EE;
  --bg-2:#FFFFFF;
  --bg-deep:#12312A;
  --t1:#1C1F1D;
  --t2:#5A6560;
  --t3:#8A918C;
  --line:#E3DED4;
  --hair:rgba(18,54,46,.10);
  --ok:#2F7A57;
  --warn:#B4791F;
  --danger:#B23B2E;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(18,49,42,.06);
  --sh-2:0 12px 28px -12px rgba(18,49,42,.28);
  --sh-nav:0 6px 24px -14px rgba(18,49,42,.35);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),opacity var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-wide{width:100%;max-width:1360px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
  background:rgba(247,244,238,.14);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.20);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
  transition:height var(--ease);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  flex-shrink:0;
  transition:color var(--ease);
}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border:1.5px solid currentColor;
  border-radius:8px;
  font-family:var(--serif);
  font-size:15px;
  font-weight:700;
  letter-spacing:0;
  line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:var(--serif);font-size:19px;letter-spacing:.02em;font-weight:700;}
.brand-text small{font-size:11px;letter-spacing:.14em;opacity:.78;}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:9px 14px;
  border-radius:8px;
  font-size:15px;
  color:rgba(255,255,255,.92);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{background:rgba(255,255,255,.14);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;padding-left:8px;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 12px;
  border:1px solid rgba(255,255,255,.34);
  border-radius:var(--r-input);
  background:rgba(255,255,255,.10);
  color:#fff;
  transition:border-color var(--ease),background var(--ease);
}
.nav-search input{
  width:112px;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:inherit;
}
.nav-search input::placeholder{color:rgba(255,255,255,.72);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn i{transition:transform var(--ease);}
.btn:hover i{transform:translateX(2px);}
.btn-primary{background:var(--clay);color:#fff;box-shadow:0 6px 18px -10px rgba(192,96,58,.9);}
.btn-primary:hover{background:var(--ink-2);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--ink);background:rgba(22,54,46,.06);}
.btn:active{transform:translateY(1px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid rgba(255,255,255,.34);
  border-radius:10px;
  background:rgba(255,255,255,.10);
  color:#fff;
  cursor:pointer;
  font-size:17px;
}
.site-header.is-solid{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px) saturate(140%);
  -webkit-backdrop-filter:blur(10px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-nav);
}
.site-header.is-solid .nav-inner{height:62px;}
.site-header.is-solid .brand{color:var(--ink);}
.site-header.is-solid .nav-links a{color:var(--t1);}
.site-header.is-solid .nav-links a:hover{background:rgba(22,54,46,.06);color:var(--ink);}
.site-header.is-solid .nav-links a.active{color:var(--ink);}
.site-header.is-solid .nav-search{
  border-color:var(--line);
  background:rgba(22,54,46,.04);
  color:var(--ink);
}
.site-header.is-solid .nav-search input::placeholder{color:var(--t3);}
.site-header.is-solid .btn-ghost{color:var(--ink);border-color:var(--line);}
.site-header.is-solid .btn-ghost:hover{background:rgba(22,54,46,.06);border-color:var(--ink);}
.site-header.is-solid .nav-toggle{color:var(--ink);border-color:var(--line);background:transparent;}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;
  padding:150px 0 66px;
  color:#fff;
  background-image:linear-gradient(115deg,rgba(18,49,42,.90) 0%,rgba(18,49,42,.74) 46%,rgba(31,85,70,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-80px;
  width:340px;height:340px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:24px;
  transform:rotate(12deg);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.76);
  margin-bottom:26px;
}
.breadcrumb a:hover{color:var(--clay-soft);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{
  color:#fff;
  max-width:520px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  border:1px solid rgba(226,165,127,.7);
  color:var(--clay-soft);
  font-size:13px;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.article-hero h1{
  font-family:var(--serif);
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
  max-width:900px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:14px 26px;
  margin-top:24px;
  font-size:14px;
  color:rgba(255,255,255,.82);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--clay-soft);font-size:13px;}
.hero-meta em{font-style:normal;font-variant-numeric:tabular-nums;color:#fff;font-weight:600;}

/* ---------- 正文布局 ---------- */
.article-main{padding:64px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 240px;
  gap:48px;
  align-items:start;
}
.article-body{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:44px 48px 40px;
  font-size:17px;
  line-height:1.9;
  color:var(--t1);
  min-width:0;
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.15em;}
.article-body > p:first-of-type{
  font-size:18px;
  color:var(--t1);
  line-height:1.9;
}
.article-body h2{
  font-family:var(--serif);
  font-size:clamp(21px,2.4vw,26px);
  line-height:1.4;
  font-weight:700;
  margin:2em 0 .8em;
  padding-left:14px;
  border-left:3px solid var(--ink);
  scroll-margin-top:96px;
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  margin:1.7em 0 .6em;
  color:var(--ink);
  scroll-margin-top:96px;
}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;line-height:1.85;}
.article-body li::marker{color:var(--clay);}
.article-body a{color:var(--ink-2);border-bottom:1px solid rgba(31,85,70,.32);}
.article-body a:hover{color:var(--clay);border-bottom-color:var(--clay-soft);}
.article-body img{margin:1.6em 0;width:100%;border-radius:var(--r-img);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--t3);
  text-align:center;
  line-height:1.7;
}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:rgba(22,54,46,.05);
  border-left:3px solid var(--ink);
  border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--t2);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  display:block;
  overflow-x:auto;
  white-space:nowrap;
}
.article-body table th,.article-body table td{
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
  font-variant-numeric:tabular-nums;
}
.article-body table thead th{
  background:rgba(22,54,46,.05);
  color:var(--ink);
  font-weight:600;
}
.article-body table tbody tr:nth-child(even){background:rgba(227,222,212,.22);}
.article-body hr{border:0;border-top:1px solid var(--hair);margin:2em 0;}
.article-body strong{font-weight:700;color:var(--ink);}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.toc-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 20px 18px;
  box-shadow:var(--sh-1);
}
.toc-card h3{
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  padding-bottom:12px;
  margin-bottom:12px;
  border-bottom:1px solid var(--hair);
  letter-spacing:.02em;
}
.toc-card ol{display:flex;flex-direction:column;gap:2px;}
.toc-card li a{
  display:block;
  padding:7px 10px;
  border-radius:8px;
  font-size:14px;
  line-height:1.55;
  color:var(--t2);
  border-left:2px solid transparent;
}
.toc-card li a:hover{background:rgba(22,54,46,.06);color:var(--ink);border-left-color:var(--ink);}
.toc-card li.toc-sub a{padding-left:22px;font-size:13px;color:var(--t3);}
.toc-empty{font-size:13px;color:var(--t3);padding:6px 10px;}
.side-cta{
  background:var(--bg-deep);
  color:#fff;
  border-radius:var(--r-card);
  padding:24px 22px;
}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ---------- 标签 / 相关 ---------- */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:36px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--t3);letter-spacing:.06em;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  color:var(--t2);
  background:var(--bg-2);
}
.tag:hover{border-color:var(--clay-soft);color:var(--clay);background:rgba(226,165,127,.10);}

.section-block{margin-top:72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{
  font-family:var(--serif);
  font-size:clamp(22px,2.8vw,30px);
  line-height:1.35;
  color:var(--ink-2);
}
.section-head p{font-size:14px;color:var(--t2);margin-top:8px;max-width:620px;}
.section-head .more{
  font-size:14px;
  color:var(--ink-2);
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.section-head .more:hover{color:var(--clay);}
.section-head .more i{font-size:12px;transition:transform var(--ease);}
.section-head .more:hover i{transform:translateX(3px);}

.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(192,96,58,.35);}
.post-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:rgba(22,54,46,.06);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease);}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--t1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card:hover h3{color:var(--ink-2);}
.post-card p{
  font-size:14px;
  line-height:1.75;
  color:var(--t2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card .meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--t3);
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(22,54,46,.07);
  color:var(--ink-2);
  font-size:12px;
  letter-spacing:.02em;
}
.post-card .arrow{margin-left:auto;color:var(--ink-2);font-size:12px;}

/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-top:56px;
}
.post-nav a{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:22px 24px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-nav a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(192,96,58,.35);}
.post-nav small{font-size:12px;color:var(--t3);letter-spacing:.08em;}
.post-nav strong{font-size:16px;font-weight:600;line-height:1.6;color:var(--t1);}
.post-nav .back{flex-direction:row;align-items:center;justify-content:center;gap:10px;background:var(--ink);color:#fff;border-color:var(--ink);}
.post-nav .back strong{color:#fff;}
.post-nav .back:hover{background:var(--ink-2);border-color:var(--ink-2);}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  text-align:center;
  padding:64px 24px;
  background:var(--bg-2);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state i{font-size:38px;color:var(--ink);opacity:.35;}
.empty-state p{font-size:15px;color:var(--t2);line-height:1.8;max-width:420px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-deep);
  color:rgba(255,255,255,.78);
  padding:72px 0 0;
  margin-top:0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 56px);
  opacity:.5;
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{border-color:rgba(255,255,255,.6);color:#fff;}
.footer-brand strong{display:block;font-family:var(--serif);font-size:19px;color:#fff;letter-spacing:.02em;}
.footer-brand small{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.62);}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  padding:4px 12px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;
  font-size:12px;
  color:rgba(255,255,255,.74);
}
.site-footer h4{
  font-size:15px;
  color:#fff;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74);}
.footer-links a:hover{color:var(--clay-soft);}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.74);}
.footer-contact i{color:var(--clay-soft);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .nav-inner{gap:16px;}
  .nav-search{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;}
  .article-body{padding:36px 30px 34px;font-size:16.5px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:860px){
  .nav-toggle{display:grid;place-items:center;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(84vw,340px);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:96px 22px 32px;
    margin-left:0;
    background:rgba(18,49,42,.94);
    backdrop-filter:blur(16px) saturate(140%);
    -webkit-backdrop-filter:blur(16px) saturate(140%);
    border-left:1px solid rgba(255,255,255,.16);
    transform:translateX(102%);
    transition:transform var(--ease);
    overflow-y:auto;
    z-index:95;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{padding:14px 12px;font-size:16px;color:rgba(255,255,255,.94);}
  .nav-links a::after{display:none;}
  .nav-links a.active{background:rgba(255,255,255,.12);color:#fff;}
  .nav-actions{margin-left:auto;}
  .nav-actions .btn{display:none;}
  .site-header.is-solid .nav-links a{color:rgba(255,255,255,.94);}
  .site-header.is-solid .nav-links{background:rgba(18,49,42,.95);}
}
@media (max-width:768px){
  .container,.container-wide{padding:0 18px;}
  .article-hero{padding:120px 0 52px;}
  .article-main{padding:48px 0 68px;}
  .article-body{padding:28px 20px 30px;font-size:16px;line-height:1.9;}
  .article-body > p:first-of-type{font-size:17px;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .section-block{margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .article-body table{font-size:14px;}
  .hero-meta{gap:10px 18px;font-size:13px;}
  .btn{height:42px;padding:0 16px;font-size:14px;}
}

/* roulang page: category1 */
:root{
  --ink:#16362E;
  --ink-2:#1F5546;
  --clay:#C0603A;
  --clay-soft:#E2A57F;
  --gold:#C9A227;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --dark:#12312A;
  --text:#1C1F1D;
  --text-2:#5A6560;
  --text-3:#8A918C;
  --line:#E3DED4;
  --line-soft:rgba(18,54,46,.10);
  --ok:#2F7A57;
  --warn:#B4791F;
  --danger:#B23B2E;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(18,49,42,.06);
  --sh-2:0 12px 28px -12px rgba(18,49,42,.28);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.87;
  color:var(--text);
  background:var(--paper);
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.3;margin:0;letter-spacing:.014em}
h1{font-size:clamp(30px,4.2vw,46px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:21px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{width:100%;max-width:1360px;margin:0 auto;padding:0 24px}
.read{max-width:760px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  transition:background-color var(--ease),box-shadow var(--ease),border-color var(--ease),height var(--ease);
  background:rgba(247,244,238,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.20);
}
.site-header.is-solid{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px -14px rgba(18,49,42,.35);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height var(--ease);
}
.site-header.is-solid .nav-inner{height:62px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:15px;font-weight:700;letter-spacing:.06em;
  color:#fff;border:1.5px solid rgba(255,255,255,.85);
  background:rgba(255,255,255,.08);
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.site-header.is-solid .brand-mark{color:var(--ink);border-color:var(--ink);background:rgba(22,54,46,.05)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:var(--serif);font-size:17.5px;color:#fff;letter-spacing:.02em;transition:color var(--ease)}
.brand-text small{font-size:11.5px;letter-spacing:.14em;color:rgba(255,255,255,.72);transition:color var(--ease)}
.site-header.is-solid .brand-text strong{color:var(--ink)}
.site-header.is-solid .brand-text small{color:var(--text-3)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{
  position:relative;padding:9px 13px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.9);
  transition:background-color 160ms ease,color 160ms ease;
}
.nav-links a:hover{background:rgba(255,255,255,.16);color:#fff}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--clay-soft);
}
.site-header.is-solid .nav-links a{color:var(--text-2)}
.site-header.is-solid .nav-links a:hover{background:rgba(22,54,46,.06);color:var(--ink)}
.site-header.is-solid .nav-links a.active{color:var(--ink)}
.site-header.is-solid .nav-links a.active::after{background:var(--ink)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.10);
  transition:border-color var(--ease),background-color var(--ease);
}
.search-box i{color:rgba(255,255,255,.8);font-size:13px;transition:color var(--ease)}
.search-box input{width:130px;background:none;border:0;outline:0;font-size:14px;color:#fff}
.search-box input::placeholder{color:rgba(255,255,255,.68)}
.site-header.is-solid .search-box{border-color:var(--line);background:var(--paper)}
.site-header.is-solid .search-box i{color:var(--text-3)}
.site-header.is-solid .search-box input{color:var(--text)}
.site-header.is-solid .search-box input::placeholder{color:var(--text-3)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:background-color var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.btn i{transition:transform var(--ease)}
.btn:hover i{transform:translateX(2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#A9502E;box-shadow:var(--sh-2)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2);box-shadow:var(--sh-2)}
.btn-outline{border:1.5px solid var(--line);color:var(--ink);background:var(--white)}
.btn-outline:hover{border-color:var(--ink);background:rgba(22,54,46,.06)}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.62);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.16)}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  color:#fff;font-size:19px;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.34);
}
.site-header.is-solid .nav-toggle{color:var(--ink);border-color:var(--line)}
.badge-count{
  min-width:20px;height:20px;padding:0 6px;border-radius:999px;
  background:var(--clay);color:#fff;font-size:11.5px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;overflow:hidden;
  min-height:480px;display:flex;align-items:flex-end;
  padding:150px 0 64px;
  color:#fff;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,49,42,.72) 0%,rgba(18,49,42,.58) 44%,rgba(18,49,42,.86) 100%);
}
.hero-cat .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:20px}
.crumb a:hover{color:#fff}
.crumb i{font-size:10px;opacity:.7}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  border:1px solid rgba(226,165,127,.6);background:rgba(192,96,58,.24);
  color:#F6DCCB;margin-bottom:18px;
}
.hero-cat h1{color:#fff;max-width:820px}
.hero-cat h1 em{font-style:normal;color:var(--clay-soft)}
.hero-sub{max-width:640px;margin-top:18px;font-size:17px;color:rgba(255,255,255,.86)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:46px;border-top:1px solid rgba(255,255,255,.22);
}
.hero-strip div{padding:18px 20px 0 0;border-right:1px solid rgba(255,255,255,.16)}
.hero-strip div:last-child{border-right:0}
.hero-strip strong{display:block;font-family:var(--sans);font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em}
.hero-strip span{font-size:13px;color:rgba(255,255,255,.74)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--white)}
.section-dark{background:var(--dark);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--clay);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--clay)}
.section-head p{max-width:520px;color:var(--text-2);margin:0;font-size:15.5px}

/* intro */
.intro-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:start}
.intro-grid .lead{font-size:17.5px;line-height:1.9;color:var(--text-2)}
.intro-grid .lead strong{color:var(--ink);font-weight:600}
.point-list{display:grid;gap:18px}
.point{
  display:flex;gap:16px;padding:20px 22px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.point i{font-size:19px;color:var(--ink-2);margin-top:3px}
.point h3{font-size:16.5px;font-family:var(--sans);font-weight:700;margin-bottom:4px;color:var(--ink)}
.point p{font-size:14.5px;color:var(--text-2);margin:0}

/* filter bar */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:16px 20px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:34px;
}
.filter-chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  padding:8px 16px;border-radius:999px;font-size:14px;
  border:1px solid var(--line);background:var(--paper);color:var(--text-2);
  transition:all var(--ease);
}
.chip:hover{border-color:var(--clay-soft);color:var(--ink)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.select-wrap{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.select-wrap select{
  height:42px;padding:0 36px 0 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--white);color:var(--text);
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 19px,calc(100% - 14px) 19px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.select-wrap select:focus{border-color:var(--ink-2);outline:2px solid rgba(31,85,70,.28);outline-offset:1px}

/* product grid */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CFC2}
.card-media{position:relative;overflow:hidden;aspect-ratio:4/3;background:rgba(22,54,46,.06)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--clay);color:#fff;
}
.tag.tag-ink{background:var(--ink)}
.tag.tag-gold{background:var(--gold);color:#2B2408}
.card-body{padding:20px 20px 0}
.card-title{font-size:17px;font-family:var(--sans);font-weight:700;line-height:1.5;color:var(--ink);margin-bottom:10px}
.card-spec{display:grid;gap:6px;font-size:13.5px;color:var(--text-2)}
.card-spec li{display:flex;align-items:center;gap:8px;line-height:1.6}
.card-spec i{width:14px;color:var(--text-3);font-size:12px}
.card-foot{
  margin-top:18px;padding:16px 20px 20px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.price{font-size:19px;font-weight:700;color:var(--clay);letter-spacing:.01em}
.price small{font-size:12.5px;font-weight:500;color:var(--text-3);margin-left:4px}
.rate{display:flex;align-items:center;gap:4px;font-size:12.5px;color:var(--text-3)}
.rate i{color:var(--gold);font-size:11.5px}
.card--wide{grid-column:span 2;flex-direction:row}
.card--wide .card-media{flex:0 0 46%;aspect-ratio:auto;min-height:268px}
.card--wide .card-inner{display:flex;flex-direction:column;flex:1}
.card--wide .card-body{padding:26px 26px 0}
.card--wide .card-title{font-size:20px}
.card--wide .card-spec{font-size:14px}
.card--wide .card-foot{padding:18px 26px 24px}

/* spec table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);box-shadow:var(--sh-1)}
table.spec{border-collapse:collapse;width:100%;min-width:860px;font-size:14.5px}
table.spec th,table.spec td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line-soft);white-space:nowrap}
table.spec thead th{
  background:var(--ink);color:#fff;font-weight:600;font-size:14px;letter-spacing:.04em;
  border-bottom:0;
}
table.spec tbody tr:nth-child(even){background:rgba(22,54,46,.028)}
table.spec tbody tr:hover{background:rgba(192,96,58,.06)}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec td:first-child{font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.table-note{margin-top:14px;font-size:13px;color:var(--text-3)}

/* assure */
.assure{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.assure-item{padding:28px 24px;border-right:1px solid var(--line-soft)}
.assure-item:last-child{border-right:0}
.assure-item i{font-size:24px;color:var(--ink-2);margin-bottom:14px;display:block}
.assure-item h3{font-size:15.5px;font-family:var(--sans);font-weight:700;margin-bottom:6px;color:var(--ink)}
.assure-item p{font-size:13px;color:var(--text-2);margin:0;line-height:1.7}

/* faq */
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--text-3);line-height:1;
  transition:transform var(--ease),color var(--ease);
}
.faq-item[open] summary{color:var(--ink-2)}
.faq-item[open] summary::after{content:"−";color:var(--clay);transform:translateY(-50%) rotate(180deg)}
.faq-item .faq-body{padding:0 60px 22px 0;font-size:15.5px;color:var(--text-2);line-height:1.9}

/* cta band */
.cta-band{background:var(--ink);color:#fff;border-radius:18px;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border:1px solid rgba(226,165,127,.28);border-radius:32px;transform:rotate(18deg);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,29px);max-width:560px}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);max-width:560px;font-size:15.5px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.cta-meta{display:flex;gap:26px;margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.72);flex-wrap:wrap}
.cta-meta span{display:flex;align-items:center;gap:8px}

/* footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{color:#fff;border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.06);width:40px;height:40px}
.footer-brand strong{display:block;font-family:var(--serif);font-size:17px;color:#fff}
.footer-brand small{font-size:11.5px;letter-spacing:.12em;color:rgba(255,255,255,.6)}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7)}
.site-footer h4{font-family:var(--sans);font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--clay-soft)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72);line-height:1.65}
.footer-contact i{color:var(--clay-soft);margin-top:5px;font-size:13px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  font-size:12.5px;padding:4px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.72);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom::before{
  content:"";position:absolute;left:0;right:0;height:8px;
}

/* mobile drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,49,42,.5);z-index:90;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:84vw;z-index:100;
  background:rgba(18,49,42,.94);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-left:1px solid rgba(255,255,255,.16);
  transform:translateX(100%);transition:transform var(--ease);
  padding:26px 22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-head strong{font-family:var(--serif);color:#fff;font-size:17px}
.drawer-close{width:44px;height:44px;border-radius:10px;color:#fff;font-size:18px;border:1px solid rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center}
.drawer a.d-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.86);font-size:15.5px;border:1px solid transparent;
}
.drawer a.d-link:hover,.drawer a.d-link.active{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.18);color:#fff}
.drawer .search-box{margin:14px 0 6px;border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.08)}
.drawer .search-box input{width:100%;color:#fff}
.drawer .btn{width:100%;margin-top:10px}

/* responsive */
@media (max-width:1180px){
  .nav-links a{padding:9px 10px;font-size:14.5px}
  .search-box input{width:96px}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .card--wide{grid-column:span 2}
}
@media (max-width:1023px){
  .nav-links,.nav-actions .search-box,.nav-actions .btn{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .intro-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .hero-cat{min-height:420px;padding:130px 0 56px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.9}
  .container,.container-wide{padding:0 18px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .grid-cards{grid-template-columns:1fr}
  .card--wide{grid-column:span 1;flex-direction:column}
  .card--wide .card-media{flex:none;aspect-ratio:4/3;min-height:0}
  .card--wide .card-body{padding:20px 20px 0}
  .card--wide .card-title{font-size:18px}
  .card--wide .card-foot{padding:16px 20px 20px}
  .hero-strip{grid-template-columns:1fr 1fr;row-gap:6px}
  .hero-strip div{border-right:0;padding:14px 0 0}
  .assure{grid-template-columns:1fr 1fr}
  .assure-item{border-right:0;border-bottom:1px solid var(--line-soft);padding:22px 18px}
  .filter-bar{padding:14px}
  .select-wrap{margin-left:0;width:100%;justify-content:space-between}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px;gap:26px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-item .faq-body{padding-right:16px}
  .hero-cta .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .hero-cat{padding:118px 0 48px}
  .grid-cards{gap:18px}
  .assure{grid-template-columns:1fr}
  .hero-strip{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-cta{gap:10px}
}

/* roulang page: category2 */
:root{
  --brand:#16362E; --brand-2:#1F5546; --accent:#C0603A; --accent-soft:#E2A57F;
  --gold:#C9A227; --bg:#F7F4EE; --white:#FFFFFF; --dark:#12312A;
  --text:#1C1F1D; --text-2:#5A6560; --text-3:#8A918C;
  --line:#E3DED4; --line-soft:rgba(18,54,46,.10);
  --ok:#2F7A57; --warn:#B4791F; --danger:#B23B2E;
  --r-card:14px; --r-img:12px; --r-input:10px; --r-btn:10px;
  --sh:0 1px 2px rgba(18,49,42,.06);
  --sh-hover:0 12px 28px -12px rgba(18,49,42,.28);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --container:1200px; --read:760px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.88;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.3;margin:0;letter-spacing:.01em;font-weight:700}
h1{font-size:clamp(30px,4.2vw,46px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:21px}
p{margin:0 0 1.1em}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--accent);font-weight:600;margin-bottom:12px}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}
.section-head p{color:var(--text-2);margin:12px 0 0;font-size:16px}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;background:rgba(247,244,238,.14);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid rgba(255,255,255,.20);transition:background var(--t),box-shadow var(--t),border-color var(--t)}
.site-header.is-solid{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);box-shadow:0 6px 24px -14px rgba(18,49,42,.35)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height var(--t)}
.site-header.is-solid .nav-inner{height:62px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border:2px solid rgba(255,255,255,.85);border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff;letter-spacing:.02em;background:rgba(255,255,255,.08)}
.site-header.is-solid .brand-mark{border-color:var(--brand);color:var(--brand);background:rgba(22,54,46,.05)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;color:#fff;letter-spacing:.02em;font-family:var(--font-serif)}
.brand-text small{font-size:11.5px;color:rgba(255,255,255,.78);letter-spacing:.06em}
.site-header.is-solid .brand-text strong{color:var(--brand)}
.site-header.is-solid .brand-text small{color:var(--text-3)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{position:relative;padding:9px 12px;font-size:15px;color:rgba(255,255,255,.9);border-radius:8px;white-space:nowrap}
.nav-links a:hover{background:rgba(255,255,255,.14);color:#fff}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent-soft);border-radius:2px}
.site-header.is-solid .nav-links a{color:var(--text-2)}
.site-header.is-solid .nav-links a:hover{background:rgba(22,54,46,.06);color:var(--brand)}
.site-header.is-solid .nav-links a.active{color:var(--brand)}
.site-header.is-solid .nav-links a.active::after{background:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border-radius:999px;border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.10);color:#fff;transition:all var(--t)}
.nav-search i{font-size:13px;opacity:.85}
.nav-search input{width:132px;border:0;background:transparent;outline:none;font-size:13.5px;color:inherit}
.nav-search input::placeholder{color:rgba(255,255,255,.72)}
.site-header.is-solid .nav-search{border-color:var(--line);background:#fff;color:var(--text-2)}
.site-header.is-solid .nav-search input::placeholder{color:var(--text-3)}
.nav-cta{height:40px;padding:0 18px;font-size:14.5px;background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff!important}
.nav-cta:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.site-header.is-solid .nav-cta{background:var(--accent);border-color:var(--accent);color:#fff!important}
.site-header.is-solid .nav-cta:hover{background:#A94F2D}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.10);color:#fff;cursor:pointer}
.site-header.is-solid .nav-toggle{border-color:var(--line);color:var(--brand);background:#fff}

/* 抽屉 */
.drawer{position:fixed;top:0;right:0;width:min(86vw,340px);height:100%;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);box-shadow:-18px 0 40px -22px rgba(18,49,42,.5);transform:translateX(102%);transition:transform var(--t);padding:26px 22px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-head strong{font-family:var(--font-serif);font-size:17px;color:var(--brand)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--brand)}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer nav a{padding:13px 14px;border-radius:10px;border:1px solid transparent;font-size:15.5px;color:var(--text-2)}
.drawer nav a.active{background:rgba(22,54,46,.06);border-color:var(--line);color:var(--brand);font-weight:600}
.drawer .btn{width:100%;justify-content:center;margin-bottom:10px}
.no-scroll{overflow:hidden}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:all var(--t);white-space:nowrap}
.btn i{transition:transform var(--t);font-size:13px}
.btn:hover i.fa-arrow-right{transform:translateX(2px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(192,96,58,.85)}
.btn-primary:hover{background:#A94F2D;transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);background:rgba(22,54,46,.06);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--accent-soft);color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;border-radius:9px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em}
.badge--accent{background:var(--accent);color:#fff}
.badge--soft{background:rgba(192,96,58,.12);color:var(--accent)}
.badge--brand{background:rgba(22,54,46,.08);color:var(--brand)}
.badge--gold{background:rgba(201,162,39,.14);color:#8A6E12}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--text-2)}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;padding:150px 0 64px;background:linear-gradient(180deg,rgba(18,49,42,.86),rgba(18,49,42,.72)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:120px;background:linear-gradient(180deg,rgba(18,49,42,0),rgba(247,244,238,.16))}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:10px;opacity:.7}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.36);background:rgba(255,255,255,.12);font-size:13px;letter-spacing:.06em}
.page-hero h1{margin:18px 0 14px;color:#fff}
.page-hero .hero-sub{max-width:640px;font-size:17px;color:rgba(255,255,255,.86);margin:0}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:38px;border:1px solid rgba(255,255,255,.22);border-radius:var(--r-card);overflow:hidden;background:rgba(255,255,255,.10);backdrop-filter:blur(6px);max-width:720px}
.hero-metrics div{padding:18px 20px;background:rgba(18,49,42,.28)}
.hero-metrics strong{display:block;font-family:var(--font-sans);font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;line-height:1.2}
.hero-metrics span{font-size:13px;color:rgba(255,255,255,.76)}

/* ---------- 筛选布局 ---------- */
.filter-layout{display:grid;grid-template-columns:246px minmax(0,1fr);gap:32px;align-items:start}
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh);position:sticky;top:96px}
.filter-panel h3{font-size:16px;margin-bottom:14px;color:var(--brand)}
.filter-group{border-top:1px solid var(--line-soft);padding:16px 0}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-group h4{font-size:13.5px;color:var(--text-3);font-weight:600;letter-spacing:.08em;margin-bottom:10px;font-family:var(--font-sans)}
.filter-group ul{display:flex;flex-direction:column;gap:9px}
.filter-group li label{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--text-2);cursor:pointer}
.filter-group input[type="checkbox"]{width:16px;height:16px;accent-color:var(--brand)}
.filter-clear{width:100%;margin-top:6px}
.filter-toggle{display:none;width:100%;height:46px;margin-bottom:16px;border-radius:var(--r-input);border:1px solid var(--line);background:#fff;color:var(--brand);font-weight:600;cursor:pointer}

.toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:space-between;padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);margin-bottom:22px}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--text-2);cursor:pointer;transition:all var(--t)}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.toolbar-count{font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 横排列表卡 ---------- */
.list-stack{display:flex;flex-direction:column;gap:18px}
.list-card{display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.list-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D6CFC0}
.list-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:rgba(22,54,46,.06);aspect-ratio:4/3}
.list-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.list-card:hover .list-media img{transform:scale(1.04)}
.list-media .badge{position:absolute;top:10px;left:10px}
.list-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.list-title{font-family:var(--font-serif);font-size:19px;color:var(--text);margin:0}
.list-title span{font-family:var(--font-sans);font-size:13px;color:var(--text-3);margin-left:8px;font-weight:500;letter-spacing:.02em}
.list-desc{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.75}
.spec-line{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;font-size:13.5px;color:var(--text-2)}
.spec-line i{color:var(--brand-2);width:15px;text-align:center;margin-right:6px;font-size:12px}
.spec-line b{font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}
.list-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line-soft);flex-wrap:wrap}
.price{font-size:19px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;font-family:var(--font-sans)}
.price small{font-size:12.5px;color:var(--text-3);font-weight:500;margin-left:6px}
.stars{color:var(--gold);font-size:12.5px;letter-spacing:1px}
.stars span{color:var(--text-3);margin-left:6px;letter-spacing:0}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff}
.flow-step{padding:28px 24px;border-right:1px solid var(--line-soft);position:relative}
.flow-step:last-child{border-right:0}
.flow-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;border:1px solid var(--brand);color:var(--brand);font-size:14px;font-weight:700;margin-bottom:14px;font-variant-numeric:tabular-nums}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--text-2);margin:0}
.flow-step::after{content:"";position:absolute;top:44px;right:-7px;width:14px;height:14px;border-top:1px solid var(--line);border-right:1px solid var(--line);background:#fff;transform:rotate(45deg)}
.flow-step:last-child::after{display:none}

/* ---------- 保障条 ---------- */
.assure{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.assure li{display:flex;gap:13px;padding:24px 22px;border-right:1px solid var(--line-soft)}
.assure li:last-child{border-right:0}
.assure i{font-size:20px;color:var(--brand-2);margin-top:3px}
.assure strong{display:block;font-size:15px;margin-bottom:4px}
.assure span{font-size:13px;color:var(--text-2);line-height:1.7}

/* ---------- 图文块 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
.split-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4;border-radius:var(--r-card)}
.split h2{margin-bottom:14px}
.split p{color:var(--text-2)}
.check-list{display:flex;flex-direction:column;gap:11px;margin:18px 0 24px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2)}
.check-list i{color:var(--ok);margin-top:5px;font-size:13px}

/* ---------- 评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:12px;transition:transform var(--t),box-shadow var(--t)}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.review-card p{font-size:14.8px;color:var(--text-2);margin:0;line-height:1.8}
.review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3)}
.review-meta strong{color:var(--text);font-size:14px;font-weight:600}

/* ---------- FAQ ---------- */
.faq{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;transition:color var(--t)}
.faq-q:hover{color:var(--brand-2)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);transition:transform var(--t),border-color var(--t)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;background:var(--brand);transform:translate(-50%,-50%)}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px;transition:opacity var(--t)}
.faq-item.is-open .faq-icon{border-color:var(--brand);transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t)}
.faq-a p{padding:0 40px 20px 0;margin:0;color:var(--text-2);font-size:15px}

/* ---------- CTA + 表单 ---------- */
.cta-band{background:var(--dark);color:#fff}
.cta-band .container{padding-top:72px;padding-bottom:72px}
.cta-head{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.16)}
.cta-head h2{color:#fff;max-width:620px}
.cta-head p{color:rgba(255,255,255,.74);margin:12px 0 0;max-width:640px;font-size:15.5px}
.form-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;padding-top:48px}
.form-aside h3{color:#fff;font-size:21px;margin-bottom:12px}
.form-aside p{color:rgba(255,255,255,.72);font-size:15px}
.form-aside ul{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.form-aside li{display:flex;gap:11px;font-size:14.5px;color:rgba(255,255,255,.8)}
.form-aside i{color:var(--accent-soft);margin-top:4px}
.form-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-card);padding:26px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:7px}
.field label .req{color:var(--accent-soft);margin-left:3px}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.07);color:#fff;outline:none;transition:border-color var(--t),box-shadow var(--t)}
.field textarea{height:auto;min-height:92px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.45)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent-soft);box-shadow:0 0 0 3px rgba(226,165,127,.22)}
.field select option{color:#1C1F1D}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.58);margin:12px 0 0}
.form-ok{margin-top:14px;padding:12px 14px;border-radius:var(--r-input);border:1px solid rgba(226,165,127,.5);background:rgba(192,96,58,.16);font-size:14px;color:#fff}
.form-card .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:rgba(255,255,255,.82);padding:64px 0 0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 12px,transparent 12px 24px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.06)}
.footer-brand strong{display:block;font-family:var(--font-serif);font-size:17px;color:#fff}
.footer-brand small{font-size:11.5px;color:rgba(255,255,255,.6);letter-spacing:.05em}
.site-footer p{font-size:14px;color:rgba(255,255,255,.68);max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{padding:4px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.22);font-size:12.5px;color:rgba(255,255,255,.78)}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--accent-soft)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:13.8px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--accent-soft);margin-top:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-step:nth-child(2){border-right:0}
  .flow-step:nth-child(-n+2){border-bottom:1px solid var(--line-soft)}
  .flow-step::after{display:none}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-cta{display:none}
  .filter-layout{grid-template-columns:1fr}
  .filter-panel{position:static;display:none}
  .filter-panel.is-open{display:block}
  .filter-toggle{display:block}
  .review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .assure{grid-template-columns:repeat(2,minmax(0,1fr))}
  .assure li:nth-child(2){border-right:0}
  .assure li:nth-child(-n+2){border-bottom:1px solid var(--line-soft)}
  .split{grid-template-columns:1fr;gap:28px}
  .form-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.9}
  .section{padding:56px 0}
  .page-hero{padding:124px 0 52px}
  .hero-metrics{grid-template-columns:1fr;max-width:100%}
  .hero-metrics div{padding:14px 18px;background:rgba(18,49,42,.34)}
  .list-card{grid-template-columns:1fr}
  .spec-line{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow-step{border-right:0;border-bottom:1px solid var(--line-soft)}
  .flow-step:last-child{border-bottom:0}
  .assure{grid-template-columns:1fr}
  .assure li{border-right:0;border-bottom:1px solid var(--line-soft)}
  .assure li:last-child{border-bottom:0}
  .cta-head .btn{width:100%}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .toolbar{padding:12px}
  .form-card{padding:20px}
  .faq-q{font-size:15px}
}

/* roulang page: category3 */
:root{
  --ink:#16362E;
  --ink-2:#1F5546;
  --terra:#C0603A;
  --terra-soft:#E2A57F;
  --gold:#C9A227;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --dark:#12312A;
  --text:#1C1F1D;
  --text-2:#5A6560;
  --text-3:#8A918C;
  --line:#E3DED4;
  --line-soft:rgba(18,54,46,.10);
  --ok:#2F7A57;
  --warn:#B4791F;
  --danger:#B23B2E;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(18,49,42,.06);
  --sh-2:0 12px 28px -12px rgba(18,49,42,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
  --drawer-links-h:262px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.88;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  margin:0;
  color:var(--ink);
  font-weight:700;
  line-height:1.3;
}
h1{font-size:clamp(30px,4.2vw,46px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:21px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--ink);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--ink-2)}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.read{max-width:760px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--surface{background:var(--surface)}
.section--dark{background:var(--dark);color:#EAF1ED}
.section--dark h2,.section--dark h3{color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--ink-2);
  background:rgba(22,54,46,.07);
  border:1px solid var(--line-soft);
  padding:6px 14px;border-radius:999px;
}
.eyebrow i{color:var(--terra);font-size:12px}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{margin:16px 0 14px}
.sec-head p{color:var(--text-2);font-size:16px}
.rule{width:56px;height:3px;background:var(--terra);border-radius:2px;margin:18px 0 0}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  --nav-fg:#fff;
  --nav-line:rgba(255,255,255,.22);
  --nav-bg:rgba(247,244,238,.14);
  background:var(--nav-bg);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--nav-line);
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.site-header.is-solid{
  --nav-fg:var(--ink);
  --nav-line:var(--line);
  --nav-bg:rgba(255,255,255,.94);
  box-shadow:0 6px 24px -14px rgba(18,49,42,.35);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:72px;transition:height var(--t) var(--ease)}
.site-header.is-solid .nav-wrap{height:62px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:10px;
  border:1.5px solid var(--terra);
  color:var(--terra);
  display:grid;place-items:center;
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  background:rgba(192,96,58,.10);
  transition:background var(--t) var(--ease);
}
.brand:hover .brand-mark{background:rgba(192,96,58,.20)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;font-size:19px;color:var(--nav-fg);letter-spacing:.02em}
.brand-text small{font-size:11px;color:var(--nav-fg);opacity:.72;letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--nav-fg);
  white-space:nowrap;
  transition:background 160ms var(--ease),color var(--t) var(--ease);
}
.nav-links a:hover{background:rgba(255,255,255,.16)}
.site-header.is-solid .nav-links a:hover{background:rgba(22,54,46,.06)}
.nav-links a.active{color:var(--nav-fg);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--terra);border-radius:2px;
}
.site-header.is-solid .nav-links a.active{color:var(--ink)}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;
  border:1px solid var(--nav-line);border-radius:999px;
  background:rgba(255,255,255,.10);
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.site-header.is-solid .nav-search{background:rgba(22,54,46,.04)}
.nav-search i{font-size:13px;color:var(--nav-fg);opacity:.75}
.nav-search input{
  width:132px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--nav-fg);
}
.nav-search input::placeholder{color:var(--nav-fg);opacity:.62}
.nav-search:focus-within{border-color:var(--terra-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn i{transition:transform var(--t) var(--ease)}
.btn:hover i.fa-arrow-right{transform:translateX(2px)}
.btn-primary{background:var(--terra);color:#fff;box-shadow:0 8px 20px -12px rgba(192,96,58,.75)}
.btn-primary:hover{background:var(--ink-2);color:#fff;box-shadow:var(--sh-2)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:rgba(22,54,46,.06);border-color:var(--ink-2);color:var(--ink-2)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;border-color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--bg);color:var(--ink-2)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.nav-cta{height:40px;padding:0 16px;font-size:14px}
.nav-count{
  min-width:20px;height:20px;padding:0 6px;border-radius:999px;
  background:var(--terra);color:#fff;font-size:12px;
  display:inline-grid;place-items:center;font-weight:600;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--nav-line);color:var(--nav-fg);
  align-items:center;justify-content:center;font-size:17px;
  transition:background var(--t) var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  padding:158px 0 84px;
  background-image:linear-gradient(115deg,rgba(18,49,42,.90) 0%,rgba(18,49,42,.72) 52%,rgba(22,54,46,.55) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#EAF1ED;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:80px;
  background:linear-gradient(to bottom,rgba(247,244,238,0),var(--bg));
  pointer-events:none;
}
.page-hero h1{color:#fff;max-width:900px;margin:18px 0 20px}
.page-hero .lede{max-width:720px;color:rgba(234,241,237,.86);font-size:17px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(234,241,237,.75)}
.crumbs a{color:rgba(234,241,237,.85)}
.crumbs a:hover{color:var(--terra-soft)}
.crumbs span.sep{opacity:.5}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);
  font-size:13px;letter-spacing:.06em;color:#fff;
}
.hero-badge i{color:var(--terra-soft);font-size:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;margin-top:48px;
  border-top:1px solid rgba(255,255,255,.20);
}
.hero-facts div{
  padding:20px 22px 0 0;
  border-right:1px solid rgba(255,255,255,.16);
}
.hero-facts div:last-child{border-right:0}
.hero-facts strong{display:block;font-size:15px;color:#fff;font-weight:600}
.hero-facts span{font-size:13px;color:rgba(234,241,237,.72)}
.hero-facts .num{font-family:"Noto Sans SC",sans-serif}

/* ============ 参数对比表 ============ */
.table-shell{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.cmp{width:100%;min-width:940px;border-collapse:collapse;font-size:14px}
table.cmp caption{
  caption-side:top;text-align:left;
  padding:20px 22px 14px;
  font-size:14px;color:var(--text-2);
}
table.cmp thead th{
  background:var(--ink);
  color:#fff;
  font-weight:600;
  font-size:14px;
  text-align:left;
  padding:14px 18px;
  white-space:nowrap;
}
table.cmp thead th:first-child{border-radius:0}
table.cmp tbody td{
  padding:15px 18px;
  border-bottom:1px solid var(--line-soft);
  color:var(--text-2);
  vertical-align:top;
}
table.cmp tbody tr:nth-child(even){background:rgba(18,54,46,.028)}
table.cmp tbody tr:hover{background:rgba(192,96,58,.06)}
table.cmp tbody td:first-child{
  font-weight:600;color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC",sans-serif;
  white-space:nowrap;
}
table.cmp .mono-num{font-variant-numeric:tabular-nums;color:var(--text);font-weight:500}
.table-note{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  padding:16px 22px 20px;
  font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line-soft);
  background:rgba(247,244,238,.6);
}
.table-note i{color:var(--ok);margin-right:6px}

/* ============ 场景错排 ============ */
.scene-row{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--line-soft);
}
.scene-row:last-child{border-bottom:0;padding-bottom:0}
.scene-row:first-child{padding-top:0}
.scene-row.reverse .scene-media{order:2}
.scene-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);transition:transform 420ms var(--ease)}
.scene-media:hover img{transform:scale(1.04)}
.scene-index{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.08em;color:var(--terra);
  font-weight:600;
}
.scene-index b{
  display:inline-grid;place-items:center;
  width:28px;height:28px;border-radius:8px;
  border:1.5px solid var(--terra);color:var(--terra);
  font-size:13px;
}
.scene-body h3{margin:14px 0 14px}
.scene-body p{color:var(--text-2);font-size:16px}
.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(--text-2);
  padding-bottom:12px;
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list i{color:var(--ink-2);margin-top:6px;font-size:13px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  font-size:12.5px;color:var(--ink-2);
  background:rgba(22,54,46,.06);
  border:1px solid var(--line-soft);
}

/* ============ 选型建议 ============ */
.advice-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:stretch}
.advice-main{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:36px;
  display:flex;flex-direction:column;justify-content:center;
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.advice-main:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.advice-main h3{margin-bottom:18px}
.step-list{counter-reset:step;display:grid;gap:16px}
.step-list li{
  position:relative;padding-left:46px;
  color:var(--text-2);font-size:16px;
}
.step-list li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:32px;height:32px;border-radius:9px;
  display:grid;place-items:center;
  background:rgba(22,54,46,.08);color:var(--ink);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-list strong{color:var(--ink);display:block;font-size:16px;margin-bottom:2px}
.advice-side{display:grid;gap:24px}
.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--terra-soft);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease),border-color var(--t) var(--ease);
}
.mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-left-color:var(--terra)}
.mini-card h4{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.mini-card h4 i{color:var(--terra);font-size:15px}
.mini-card p{font-size:15px;color:var(--text-2);margin:0}

/* ============ 保障条 ============ */
.assure{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--bg);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.assure-item{
  padding:28px 26px;
  border-right:1px solid var(--line);
  display:flex;gap:14px;align-items:flex-start;
}
.assure-item:last-child{border-right:0}
.assure-item i{
  font-size:20px;color:var(--ink-2);margin-top:4px;
}
.assure-item strong{display:block;font-size:15px;color:var(--ink);font-weight:600;margin-bottom:4px}
.assure-item span{font-size:13px;color:var(--text-2);line-height:1.7}

/* ============ 评价 ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.review-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px;margin-bottom:14px}
.review-card p{font-size:15px;color:var(--text-2);min-height:96px}
.review-meta{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.review-meta b{color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color var(--t) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:"Noto Sans SC",sans-serif;
  font-size:22px;font-weight:400;color:var(--terra);
  line-height:1;transition:transform var(--t) var(--ease);
}
.faq-item[open] summary{color:var(--ink-2)}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 4px 22px;color:var(--text-2);font-size:15.5px;max-width:760px}

/* ============ CTA 带 ============ */
.cta-band{
  background:linear-gradient(120deg,var(--dark) 0%,var(--ink) 60%,var(--ink-2) 100%);
  color:#EAF1ED;
  padding:64px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px}
.cta-inner p{color:rgba(234,241,237,.80);font-size:15.5px;max-width:620px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 表单块 ============ */
.inquiry{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.inquiry-intro h2{margin:16px 0 14px}
.inquiry-intro p{color:var(--text-2);font-size:16px}
.inquiry-points{margin-top:26px;display:grid;gap:14px}
.inquiry-points li{display:flex;gap:12px;font-size:15px;color:var(--text-2)}
.inquiry-points i{color:var(--terra);margin-top:6px;font-size:12px}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
}
.form-row{display:grid;gap:8px;margin-bottom:18px}
.form-row label{font-size:14px;color:var(--ink);font-weight:600}
.form-row .req{color:var(--terra)}
.form-row input,.form-row textarea,.form-row select{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;font-size:15px;color:var(--text);
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.form-row textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{
  outline:none;border-color:var(--ink-2);
  box-shadow:0 0 0 3px rgba(31,85,70,.14);
}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-hint{font-size:13px;color:var(--text-3);margin-top:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#D8E3DD;padding:64px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{border-color:var(--terra-soft);color:var(--terra-soft);background:rgba(226,165,127,.10)}
.footer-brand strong{display:block;font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;font-size:18px;color:#fff}
.footer-brand small{font-size:12px;color:rgba(216,227,221,.65);letter-spacing:.05em}
.site-footer p{color:rgba(216,227,221,.72);font-size:14px;line-height:1.85}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags span{
  font-size:12px;padding:4px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);color:rgba(216,227,221,.82);
}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-family:"Noto Sans SC","PingFang SC",sans-serif}
.footer-links,.footer-contact{display:grid;gap:11px}
.footer-links a{color:rgba(216,227,221,.78);font-size:14px}
.footer-links a:hover{color:var(--terra-soft)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(216,227,221,.78);line-height:1.7}
.footer-contact i{color:var(--terra-soft);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(216,227,221,.60);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-search input{width:104px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .scene-row{grid-template-columns:1fr;gap:32px}
  .scene-row.reverse .scene-media{order:0}
  .advice-grid{grid-template-columns:1fr}
  .assure{grid-template-columns:1fr 1fr}
  .assure-item:nth-child(2){border-right:0}
  .assure-item:nth-child(1),.assure-item:nth-child(2){border-bottom:1px solid var(--line)}
  .review-grid{grid-template-columns:1fr 1fr}
  .inquiry{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(18,49,42,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    padding:8px 24px 0;
    border-top:1px solid rgba(255,255,255,.12);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t) var(--ease);
    max-height:70vh;overflow:auto;
  }
  .nav-links a{
    color:#fff !important;padding:15px 0;font-size:16px;border-radius:0;
    border-bottom:1px solid rgba(255,255,255,.10);
    min-height:48px;display:flex;align-items:center;
  }
  .nav-links a.active::after{left:0;right:auto;width:24px;bottom:8px}
  .nav-tools{
    position:absolute;left:0;right:0;top:calc(100% + var(--drawer-links-h));
    flex-direction:column;align-items:stretch;gap:12px;
    background:rgba(18,49,42,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    padding:16px 24px 26px;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t) var(--ease);
  }
  body.nav-open .nav-links,body.nav-open .nav-tools{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-search{width:100%;background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.24)}
  .nav-search input{width:100%;color:#fff}
  .nav-search i{color:#fff}
  .nav-cta{width:100%;justify-content:center;min-height:46px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.9}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero{padding:126px 0 64px}
  .hero-facts{grid-template-columns:1fr 1fr;gap:0}
  .hero-facts div{border-right:0;padding:16px 0 0;border-bottom:1px solid rgba(255,255,255,.16)}
  .hero-facts div:nth-child(odd){border-right:1px solid rgba(255,255,255,.16);padding-right:16px}
  .hero-facts div:nth-child(3),.hero-facts div:nth-child(4){border-bottom:0}
  .assure{grid-template-columns:1fr}
  .assure-item{border-right:0;border-bottom:1px solid var(--line)}
  .assure-item:last-child{border-bottom:0}
  .review-grid{grid-template-columns:1fr}
  .form-grid-2{grid-template-columns:1fr}
  .form-card{padding:24px}
  .advice-main{padding:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{height:48px}
}
@media (max-width:520px){
  .brand-text small{display:none}
  .hero-actions .btn{width:100%}
  .sec-head{margin-bottom:32px}
}

/* roulang page: category4 */
:root{
  --green:#16362E;
  --green-2:#1F5546;
  --copper:#C0603A;
  --copper-light:#E2A57F;
  --gold:#C9A227;
  --bg:#F7F4EE;
  --white:#FFFFFF;
  --dark:#12312A;
  --text:#1C1F1D;
  --text-2:#5A6560;
  --text-3:#8A918C;
  --border:#E3DED4;
  --line:rgba(18,54,46,.10);
  --ok:#2F7A57;
  --warn:#B4791F;
  --danger:#B23B2E;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(18,49,42,.06);
  --shadow-hover:0 12px 28px -12px rgba(18,49,42,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.88;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.3;margin:0;font-weight:700;letter-spacing:.015em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--green-2);
  outline-offset:2px;
  border-radius:4px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-wide{width:100%;max-width:1360px;margin:0 auto;padding:0 24px;}
.readable{max-width:760px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  transition:background 260ms var(--ease),box-shadow 260ms var(--ease),backdrop-filter 260ms var(--ease);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height 260ms var(--ease);
}
.site-header.is-solid{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px) saturate(150%);
  -webkit-backdrop-filter:blur(10px) saturate(150%);
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 24px -14px rgba(18,49,42,.35);
}
.site-header.is-solid .header-inner{height:62px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border:1.5px solid rgba(255,255,255,.85);
  border-radius:10px;
  font-family:var(--serif);
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:#fff;
  transition:border-color 220ms var(--ease),color 220ms var(--ease);
}
.site-header.is-solid .brand-mark{border-color:var(--green);color:var(--green);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{
  font-family:var(--serif);
  font-size:18px;
  color:#fff;
  letter-spacing:.03em;
  transition:color 220ms var(--ease);
}
.brand-text small{
  font-size:11.5px;
  color:rgba(255,255,255,.72);
  letter-spacing:.08em;
  transition:color 220ms var(--ease);
}
.site-header.is-solid .brand-text strong{color:var(--green);}
.site-header.is-solid .brand-text small{color:var(--text-3);}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  padding:10px 13px;
  font-size:15px;
  color:rgba(255,255,255,.88);
  border-radius:8px;
  white-space:nowrap;
  transition:color 160ms var(--ease),background 160ms var(--ease);
}
.nav-links a:hover{background:rgba(255,255,255,.14);color:#fff;}
.nav-links a.active{color:#fff;}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:4px;
  height:2px;
  background:var(--copper-light);
  border-radius:2px;
}
.site-header.is-solid .nav-links a{color:var(--text-2);}
.site-header.is-solid .nav-links a:hover{background:rgba(22,54,46,.06);color:var(--green);}
.site-header.is-solid .nav-links a.active{color:var(--green);}
.site-header.is-solid .nav-links a.active::after{background:var(--green);}
.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.12);
  color:#fff;
  transition:background 220ms var(--ease),border-color 220ms var(--ease);
}
.search-box input{
  width:118px;
  border:0;
  background:transparent;
  color:inherit;
  font-size:14px;
  outline:none;
}
.search-box input::placeholder{color:rgba(255,255,255,.7);}
.site-header.is-solid .search-box{border-color:var(--border);background:#fff;color:var(--text-2);}
.site-header.is-solid .search-box input::placeholder{color:var(--text-3);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.btn i{transition:transform 220ms var(--ease);}
.btn:hover i{transform:translateX(2px);}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 1px 2px rgba(18,49,42,.14);}
.btn-primary:hover{background:#A94F2D;box-shadow:0 12px 26px -12px rgba(192,96,58,.6);}
.btn-secondary{
  border-color:rgba(255,255,255,.7);
  color:#fff;
  background:rgba(255,255,255,.08);
}
.btn-secondary:hover{border-color:#fff;background:rgba(255,255,255,.2);}
.btn-outline{
  border-color:var(--green);
  color:var(--green);
  background:transparent;
}
.btn-outline:hover{background:rgba(22,54,46,.06);}
.btn-ghost-light{
  border-color:rgba(255,255,255,.45);
  color:#fff;
  background:transparent;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);}
.btn:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;}
.btn-block{width:100%;}
.nav-burger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.12);
  color:#fff;
  border-radius:10px;
  cursor:pointer;
}
.site-header.is-solid .nav-burger{border-color:var(--border);background:#fff;color:var(--green);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:560px;
  display:flex;
  align-items:flex-end;
  padding:150px 0 64px;
  background-image:linear-gradient(100deg,rgba(18,49,42,.88) 0%,rgba(18,49,42,.62) 48%,rgba(18,49,42,.34) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:rgba(255,255,255,.16);
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
}
.crumbs a:hover{color:var(--copper-light);}
.crumbs span{opacity:.55;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.12);
  font-size:13px;
  letter-spacing:.06em;
  color:#fff;
  margin-bottom:20px;
}
.badge i{color:var(--copper-light);}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.hero-sub{
  font-size:17px;
  color:rgba(255,255,255,.86);
  max-width:640px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px 34px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-facts li{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:rgba(255,255,255,.85);
}
.hero-facts i{color:var(--copper-light);font-size:15px;}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--white);}
.section-dark{background:var(--dark);color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--copper);
  margin-bottom:14px;
  font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--copper);border-radius:2px;}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px;}
.section-head p{color:var(--text-2);font-size:16.5px;margin:0;}
.section-dark .section-head p{color:rgba(255,255,255,.75);}
.section-dark .eyebrow{color:var(--copper-light);}
.section-dark .eyebrow::before{background:var(--copper-light);}

/* ---------- Scenario cards ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
}
.scene-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  display:flex;
  flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.scene-card .thumb{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  background:rgba(22,54,46,.06);
}
.scene-card .thumb img{width:100%;height:100%;border-radius:0;transition:transform 420ms var(--ease);}
.scene-card:hover .thumb img{transform:scale(1.04);}
.scene-card .tag{
  position:absolute;
  top:14px;left:14px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--copper);
  color:#fff;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
}
.scene-card .body{padding:24px 26px 28px;}
.scene-card h3{font-size:20px;margin-bottom:10px;}
.scene-card p{color:var(--text-2);font-size:15px;margin-bottom:16px;}
.dot-list{display:flex;flex-direction:column;gap:8px;}
.dot-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-2);
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--gold);
}
.scene-side{display:flex;flex-direction:column;gap:24px;}
.scene-card.compact{flex:1;}
.scene-card.compact .thumb{aspect-ratio:16/7;}
.scene-card.compact .body{padding:20px 24px 24px;}
.scene-card.compact h3{font-size:18px;}

/* ---------- Case timeline ---------- */
.case-list{
  counter-reset:case;
  display:flex;
  flex-direction:column;
  gap:0;
  border-top:1px solid var(--line);
}
.case-item{
  display:grid;
  grid-template-columns:88px 1.05fr 1.15fr;
  gap:28px;
  padding:34px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
  transition:background 220ms var(--ease);
}
.case-item:hover{background:rgba(22,54,46,.025);}
.case-no{
  font-family:var(--sans);
  font-size:30px;
  font-weight:700;
  color:var(--copper-light);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  line-height:1;
  padding-top:6px;
}
.case-main h3{font-size:20px;margin-bottom:8px;}
.case-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--bg);
  font-size:12.5px;
  color:var(--text-2);
}
.chip.accent{border-color:var(--copper-light);color:var(--copper);background:rgba(192,96,58,.07);}
.case-main p{color:var(--text-2);font-size:15px;margin:0;}
.case-side-block{display:flex;flex-direction:column;gap:14px;}
.spec-row{
  display:flex;
  gap:12px;
  align-items:baseline;
  font-size:14px;
  color:var(--text-2);
}
.spec-row strong{
  flex:0 0 76px;
  font-weight:600;
  color:var(--green);
  font-size:13.5px;
}
.spec-row span{font-variant-numeric:tabular-nums;}
.result-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  align-self:flex-start;
  padding:6px 13px;
  border-radius:999px;
  background:rgba(47,122,87,.1);
  color:var(--ok);
  font-size:13px;
  font-weight:600;
}

/* ---------- Flow ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  position:relative;
}
.flow::before{
  content:"";
  position:absolute;
  top:26px;left:6%;right:6%;
  height:1px;
  background:var(--line);
}
.flow-step{
  position:relative;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:30px 22px 26px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.flow-step .dot{
  position:absolute;
  top:-14px;left:22px;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--green);
  color:#fff;
  font-size:14px;
  font-weight:700;
  border:3px solid var(--bg);
  font-variant-numeric:tabular-nums;
}
.section-alt .flow-step{background:var(--white);}
.section-alt .flow-step .dot{border-color:var(--white);}
.flow-step h3{font-size:17px;margin:14px 0 10px;}
.flow-step p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- Assurance ---------- */
.assure{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  background:var(--white);
  overflow:hidden;
}
.assure-item{
  padding:26px 24px;
  border-right:1px solid var(--line);
}
.assure-item:last-child{border-right:0;}
.assure-item i{font-size:22px;color:var(--copper);margin-bottom:12px;display:block;}
.assure-item h3{font-size:15.5px;margin-bottom:8px;}
.assure-item p{font-size:13.5px;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  transition:color 220ms var(--ease);
}
.faq-q:hover,.faq-item.is-open .faq-q{color:var(--green);}
.faq-q i{
  flex:0 0 auto;
  color:var(--copper);
  transition:transform 260ms var(--ease);
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 300ms var(--ease);
}
.faq-a p{
  padding:0 4px 20px;
  color:var(--text-2);
  font-size:15px;
  margin:0;
}

/* ---------- Inquiry form ---------- */
.inquiry{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:48px;
  align-items:start;
}
.inquiry-info h2{font-size:clamp(24px,3vw,30px);margin-bottom:18px;color:#fff;}
.inquiry-info p{color:rgba(255,255,255,.76);font-size:15.5px;}
.info-list{display:flex;flex-direction:column;gap:18px;margin-top:28px;}
.info-list li{display:flex;gap:14px;align-items:flex-start;color:rgba(255,255,255,.85);font-size:15px;}
.info-list i{
  flex:0 0 auto;
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:rgba(255,255,255,.1);
  color:var(--copper-light);
  font-size:15px;
}
.form-card{
  background:var(--white);
  color:var(--text);
  border-radius:var(--radius-card);
  padding:34px 32px 32px;
  box-shadow:0 20px 50px -24px rgba(0,0,0,.4);
}
.form-card h3{font-size:20px;margin-bottom:8px;}
.form-card .form-note{font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
}
.field .req{color:var(--copper);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--border);
  border-radius:var(--radius-input);
  background:var(--bg);
  font-size:15px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease);
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--green-2);
  background:#fff;
  box-shadow:0 0 0 3px rgba(31,85,70,.12);
}
.field.error input,.field.error textarea{border-color:var(--danger);}
.field .hint{font-size:12.5px;color:var(--danger);margin-top:6px;display:none;}
.field.error .hint{display:block;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;}
.form-status{
  display:none;
  align-items:center;
  gap:10px;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--radius-input);
  background:rgba(47,122,87,.1);
  color:var(--ok);
  font-size:14px;
}
.form-status.show{display:flex;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--green);
  color:#fff;
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:640px;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{border-color:rgba(255,255,255,.5);color:#fff;}
.footer-brand strong{
  display:block;
  font-family:var(--serif);
  font-size:17px;
  color:#fff;
  letter-spacing:.03em;
}
.footer-brand small{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.06em;}
.site-footer p{font-size:14px;color:rgba(255,255,255,.7);margin:0;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  padding:4px 11px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.2);
  font-size:12.5px;
  color:rgba(255,255,255,.8);
}
.site-footer h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  font-family:var(--sans);
  font-weight:600;
  letter-spacing:.04em;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:var(--copper-light);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-bottom:12px;
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.footer-contact i{color:var(--copper-light);margin-top:5px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .nav-links a{padding:10px 10px;font-size:14.5px;}
  .search-box{display:none;}
}
@media (max-width:1024px){
  .section{padding:64px 0;}
  .scene-grid{grid-template-columns:1fr;}
  .case-item{grid-template-columns:64px 1fr;gap:20px;}
  .case-side-block{grid-column:2;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow::before{display:none;}
  .assure{grid-template-columns:repeat(2,1fr);}
  .assure-item:nth-child(2){border-right:0;}
  .assure-item:nth-child(1),.assure-item:nth-child(2){border-bottom:1px solid var(--line);}
  .inquiry{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-burger{display:inline-flex;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    width:min(320px,86vw);
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin:0;
    padding:88px 22px 32px;
    background:rgba(18,49,42,.94);
    backdrop-filter:blur(16px) saturate(150%);
    -webkit-backdrop-filter:blur(16px) saturate(150%);
    border-left:1px solid rgba(255,255,255,.14);
    transform:translateX(105%);
    transition:transform 300ms var(--ease);
    overflow-y:auto;
    z-index:130;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .nav-links a{padding:14px 12px;font-size:16px;min-height:44px;display:flex;align-items:center;}
  .site-header.is-solid .nav-links a{color:rgba(255,255,255,.88);}
  .site-header.is-solid .nav-links a:hover{background:rgba(255,255,255,.12);color:#fff;}
  .site-header.is-solid .nav-links a.active{color:#fff;}
  .nav-links a.active::after{left:12px;right:auto;width:24px;bottom:8px;background:var(--copper-light);}
  .header-tools .btn{display:none;}
  .hero{min-height:auto;padding:132px 0 56px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .container,.container-wide{padding:0 18px;}
  .flow{grid-template-columns:1fr;}
  .assure{grid-template-columns:1fr;}
  .assure-item{border-right:0;border-bottom:1px solid var(--line);}
  .assure-item:last-child{border-bottom:0;}
  .case-item{grid-template-columns:1fr;gap:14px;}
  .case-side-block{grid-column:1;}
  .case-no{font-size:24px;padding-top:0;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:26px 20px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .btn{padding:12px 20px;min-height:44px;}
  .hero-facts{gap:10px 22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
}
@media (max-width:520px){
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .scene-card .body{padding:20px 18px 22px;}
  .footer-bottom{flex-direction:column;}
}