/* roulang page: index */
:root{
  --ink:#14100E;
  --ink-2:#2A2320;
  --paper:#F7F4EF;
  --paper-2:#FFFFFF;
  --line:#E4DED4;
  --muted:#6E655C;
  --accent:#C05621;
  --accent-deep:#8F3B12;
  --support:#1F5F53;
  --danger:#B3261E;
  --radius-card:14px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,16,14,.04),0 12px 32px rgba(20,16,14,.06);
  --shadow-2:0 18px 40px rgba(20,16,14,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-cn);font-size:16px;line-height:1.8;
  color:var(--ink-2);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;padding:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,form{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:min(1240px,92vw);margin-inline:auto}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.94);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
.nav-grid{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;transition:height .24s var(--ease);
}
.site-header.is-scrolled .nav-grid{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side--left{justify-content:flex-start}
.nav-side--right{justify-content:flex-end;gap:20px}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);
  line-height:1.4;padding:6px 0;transition:color .2s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{background:var(--accent);transform:scaleX(1)}
.brand{
  font-family:var(--font-num);font-weight:800;font-size:22px;letter-spacing:-.02em;
  color:var(--ink);padding:6px 10px;white-space:nowrap;
}
.brand:hover{color:var(--accent-deep)}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-pill);color:var(--ink);
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);background:var(--paper-2);transform:translateY(-1px)}
.icon-btn svg{width:17px;height:17px}
.hamburger{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-pill);
}
.hamburger span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);
}
.hamburger span::before{top:-5px}
.hamburger span::after{top:5px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;padding:15px 28px;
  border:1px solid transparent;border-radius:var(--radius-pill);cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(192,86,33,.20)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:0 12px 26px rgba(143,59,18,.24)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F0EBE3;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-outline-light:hover{border-color:#fff;transform:translateY(-2px)}
.btn-sm{padding:11px 18px;font-size:14px}
.nav-cta{padding:11px 20px;font-size:14px}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:70px 0 92px;
  background:linear-gradient(180deg,#FBF9F5 0%,var(--paper) 100%);
}
.hero-wm{
  position:absolute;top:-70px;right:1vw;z-index:0;
  font-family:var(--font-num);font-weight:900;line-height:1;
  font-size:clamp(180px,22vw,330px);color:var(--accent);opacity:.07;
  pointer-events:none;user-select:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;align-items:center;
}
.eyebrow{
  display:inline-block;font-family:var(--font-num);font-weight:700;font-size:13px;
  letter-spacing:.12em;color:var(--muted);margin-bottom:18px;
}
.hero h1{
  font-size:clamp(34px,5.2vw,58px);line-height:1.08;font-weight:800;
  letter-spacing:-.02em;color:var(--ink);
}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.75;color:var(--muted);max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:22px;
  font-size:13px;letter-spacing:.02em;color:var(--muted);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{width:6px;height:6px;border-radius:50%;background:var(--support);display:inline-block}
.hero-media{
  position:relative;aspect-ratio:1/1;max-height:560px;border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-1);background:#EDE7DE;
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.hero-coord{
  position:absolute;left:16px;bottom:16px;
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.12em;
  color:#fff;background:rgba(20,16,14,.62);padding:7px 12px;border-radius:var(--radius-pill);
}
.hero-badge{
  position:absolute;right:16px;bottom:16px;background:#fff;color:var(--ink);
  font-size:13px;font-weight:600;padding:9px 14px;border-radius:var(--radius-pill);
  box-shadow:var(--shadow-1);
}

/* ---------- 数据条 ---------- */
.stats{padding:0 0 76px}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--line);padding-bottom:36px;
}
.stat{padding-right:24px}
.stat + .stat{border-left:1px solid var(--line);padding-left:32px}
.stat-value{
  display:flex;align-items:baseline;gap:4px;
  font-family:var(--font-num);font-weight:800;font-size:clamp(28px,3.6vw,42px);
  color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-value i{font-style:normal;font-size:15px;font-weight:600;color:var(--muted)}
.stat-label{display:block;margin-top:10px;font-size:13px;letter-spacing:.02em;color:var(--muted)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:44px;flex-wrap:wrap;
}
.section-num{
  display:block;font-family:var(--font-num);font-weight:700;font-size:13px;
  letter-spacing:.12em;color:var(--muted);margin-bottom:12px;
}
.section h2{
  font-size:clamp(26px,3.4vw,38px);line-height:1.2;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);max-width:22em;
}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:36em}

/* ---------- 商品网格 ---------- */
.product-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.p-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.p-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.p-card--lg{grid-column:span 6}
.p-card--sm{grid-column:span 3}
.p-thumb{position:relative;display:block;overflow:hidden;background:#EDE7DE}
.p-card--lg .p-thumb{aspect-ratio:16/10}
.p-card--sm .p-thumb{aspect-ratio:4/5}
.p-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.p-card:hover .p-thumb img{transform:scale(1.03)}
.p-badge{
  position:absolute;left:12px;top:12px;font-size:12px;font-weight:600;
  padding:5px 11px;border-radius:var(--radius-pill);color:#fff;
}
.p-badge--new{background:var(--support)}
.p-badge--hot{background:var(--accent)}
.p-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.p-cat{font-size:12px;letter-spacing:.02em;color:var(--muted)}
.p-title{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-title a:hover{color:var(--accent-deep)}
.p-rate{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.p-rate svg{width:14px;height:14px;fill:var(--accent)}
.p-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.p-price{
  font-family:var(--font-num);font-weight:700;font-size:21px;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.p-price small{font-size:13px;font-weight:600}

/* ---------- 评价轮播 ---------- */
.reviews-wrap{position:relative}
.reviews{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 22px;scrollbar-width:none;
}
.reviews::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 360px;scroll-snap-align:start;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 26px;
  display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow-1);
}
.stars{display:flex;gap:4px}
.stars svg{width:15px;height:15px;fill:var(--accent)}
.review-quote{font-size:15.5px;line-height:1.8;color:var(--ink-2)}
.review-who{margin-top:auto;display:flex;flex-direction:column;gap:4px}
.review-name{font-size:14px;font-weight:600;color:var(--ink)}
.review-buy{font-size:12.5px;color:var(--muted)}
.reviews-fade{
  position:absolute;top:0;bottom:22px;width:70px;pointer-events:none;z-index:2;
}
.reviews-fade--l{left:0;background:linear-gradient(90deg,var(--paper),rgba(247,244,239,0))}
.reviews-fade--r{right:0;background:linear-gradient(270deg,var(--paper),rgba(247,244,239,0))}
.reviews-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
.rv-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.rv-arrow:hover{border-color:var(--ink);background:var(--paper-2);transform:translateY(-2px)}
.rv-arrow svg{width:16px;height:16px}

/* ---------- 保障条 ---------- */
.guarantee{background:var(--ink);color:#fff}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.g-item{padding:38px 28px;border-right:1px solid rgba(255,255,255,.12)}
.g-item:last-child{border-right:none}
.g-item svg{width:20px;height:20px;stroke:var(--accent);fill:none;stroke-width:1.7}
.g-item h3{margin-top:16px;font-size:15px;font-weight:600;color:#fff}
.g-item p{margin-top:6px;font-size:13px;line-height:1.7;color:#C9C2B8}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.post-tag{
  align-self:flex-start;font-size:12px;color:var(--support);
  border:1px solid rgba(31,95,83,.3);border-radius:var(--radius-pill);padding:3px 10px;
}
.post-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a:hover{color:var(--accent-deep)}
.post-excerpt{font-size:14.5px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.post-more{color:var(--accent);font-weight:600;position:relative}
.post-more::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.post-more:hover::after{transform:scaleX(1)}
.post-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:44px 24px;text-align:center;background:rgba(255,255,255,.5);
}
.post-empty p{color:var(--muted);font-size:15px}
.post-empty a{
  display:inline-block;margin-top:12px;color:var(--accent);font-weight:600;position:relative;
}
.post-empty a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.post-empty a:hover::after{transform:scaleX(1)}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{font-size:17px;font-weight:600}
.faq-q button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;color:var(--ink);font-size:17px;font-weight:600;
  transition:color .2s var(--ease);
}
.faq-q button:hover{color:var(--accent-deep)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--accent);
  transform:translate(-50%,-50%);transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.faq-icon::before{width:14px;height:1.8px}
.faq-icon::after{width:1.8px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{padding:0 4px 20px;font-size:16px;line-height:1.8;color:var(--muted);max-width:62em}
.faq-item.is-open .faq-a{max-height:320px}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:92px 0;text-align:center;position:relative;overflow:hidden}
.cta-band .cta-wm{
  position:absolute;right:-10px;top:-90px;font-family:var(--font-num);font-weight:900;
  font-size:280px;line-height:1;color:#fff;opacity:.045;pointer-events:none;user-select:none;
}
.cta-band h2{
  position:relative;font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1.2;color:#fff;
}
.cta-band p{
  position:relative;margin-top:16px;color:#C9C2B8;font-size:16px;line-height:1.8;
}
.cta-actions{
  position:relative;margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9C2B8;padding-top:76px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:56px;
}
.footer-logo{
  font-family:var(--font-num);font-weight:800;font-size:22px;color:#fff;letter-spacing:-.02em;
}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.9;max-width:30em;color:#C9C2B8}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col li + li{margin-top:11px}
.footer-col a{font-size:13.5px;color:#C9C2B8;transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:13.5px;line-height:1.9}
.subscribe{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 160px;height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;font-family:var(--font-cn);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.45)}
.subscribe input:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(192,86,33,.28);
}
.subscribe .btn{padding:14px 22px;font-size:14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;letter-spacing:.02em;color:#9C948A;
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,14,.5);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--paper-2);
  z-index:80;transform:translateX(100%);transition:transform .28s var(--ease);
  padding:24px 22px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink);
}
.drawer a.drawer-link{
  font-size:16px;font-weight:500;color:var(--ink-2);padding:14px 2px;
  border-bottom:1px solid var(--line);line-height:1.4;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer a.drawer-link:hover{color:var(--accent-deep);padding-left:6px}
.drawer a.drawer-link.is-active{color:var(--accent);font-weight:600}
.drawer .btn{margin-top:22px}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(8px);
  transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-side{gap:18px}
  .nav-side--right{gap:14px}
  .nav-link{font-size:14px}
}
@media (max-width:1024px){
  .nav-side--left,.nav-side--right{display:none}
  .nav-grid{grid-template-columns:1fr auto 1fr;height:64px}
  .hamburger{display:inline-flex;justify-self:start}
  .brand{justify-self:center;font-size:20px}
  .nav-mobile-right{display:inline-flex;justify-self:end}
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{aspect-ratio:16/12;max-height:none}
  .hero-wm{display:none}
  .section{padding:72px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;padding-bottom:28px}
  .stat + .stat{border-left:none;padding-left:0}
  .stat{padding-right:0}
  .stat:nth-child(2n){border-left:1px solid var(--line);padding-left:28px}
  .p-card--lg{grid-column:span 12}
  .p-card--sm{grid-column:span 6}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .guarantee-grid{grid-template-columns:repeat(2,1fr)}
  .g-item{border-right:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}
  .g-item:nth-child(2n){border-right:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .reviews-fade{display:none}
  .reviews-nav{display:none}
  .review-card{flex:0 0 82%}
  .cta-band{padding:64px 0}
}
@media (max-width:520px){
  .p-card--sm{grid-column:span 12}
  .post-grid{grid-template-columns:1fr}
  .guarantee-grid{grid-template-columns:1fr}
  .g-item{border-right:none}
  .stats-grid{grid-template-columns:1fr;gap:22px}
  .stat:nth-child(2n){border-left:none;padding-left:0}
  .hero-actions .btn{width:100%}
  .nav-mobile-right .icon-btn{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#14100E;
  --ink-2:#2A2320;
  --paper:#F7F4EF;
  --paper-2:#FFFFFF;
  --line:#E4DED4;
  --muted:#6E655C;
  --accent:#C05621;
  --accent-deep:#8F3B12;
  --support:#1F5F53;
  --danger:#B3261E;
  --radius-card:14px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(20,16,14,.04),0 12px 32px rgba(20,16,14,.06);
  --shadow-hover:0 18px 40px rgba(20,16,14,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Inter","Noto Sans SC","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink-2);font-family:var(--font-cn);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0 0 16px}
:focus-visible{outline:3px solid rgba(192,86,33,.42);outline-offset:2px;border-radius:6px}
.container{width:min(1240px,92vw);margin-inline:auto}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,244,239,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.site-header.is-scrolled{background:rgba(247,244,239,.96);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(20,16,14,.05)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:76px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.header-left{display:flex;align-items:center;gap:16px;min-width:0}
.header-right{display:flex;align-items:center;justify-content:flex-end;gap:20px;min-width:0}
.logo{font-family:var(--font-num);font-size:24px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;line-height:1}
.logo:hover{color:var(--accent)}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 2px;white-space:nowrap;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--paper-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease)}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(192,86,33,.22)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--line);background:var(--paper-2);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.search-panel{display:none;border-top:1px solid var(--line);background:var(--paper-2)}
.search-panel.is-open{display:block}
.search-form{display:flex;gap:12px;padding:16px 0}
.search-form input{flex:1;height:48px;border-radius:12px;border:1px solid var(--line);background:var(--paper);padding:0 16px;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.16)}
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,14,.5);opacity:0;pointer-events:none;transition:opacity .28s var(--ease);z-index:110}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);background:var(--paper-2);z-index:120;transform:translateX(100%);transition:transform .28s var(--ease);padding:24px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-title{font-family:var(--font-num);font-size:20px;font-weight:800;color:var(--ink)}
.drawer a.drawer-link{display:block;font-size:18px;font-weight:500;color:var(--ink);padding:12px 0;border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.drawer a.drawer-link:hover{color:var(--accent);padding-left:6px}
.drawer .btn{margin-top:20px;width:100%}

/* ============ 页面主体 ============ */
.page-main{padding:36px 0 96px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--muted);margin-bottom:8px}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#C9C2B8}
.crumb-current{color:var(--ink-2);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{position:relative;padding:24px 0 36px;margin-bottom:44px;border-bottom:1px solid var(--line);overflow:hidden}
.article-head-inner{position:relative;z-index:1;max-width:880px}
.watermark-9{position:absolute;right:0;top:-40px;font-family:var(--font-num);font-size:280px;font-weight:900;line-height:1;color:rgba(192,86,33,.07);pointer-events:none;user-select:none;z-index:0}
.article-head h1{font-size:clamp(30px,4.4vw,48px);line-height:1.16;font-weight:800;letter-spacing:-.02em;margin:0 0 20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:13px;letter-spacing:.02em;color:var(--muted)}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:rgba(192,86,33,.10);color:var(--accent);font-size:12px;font-weight:600;transition:background .2s var(--ease),color .2s var(--ease)}
.chip:hover{background:var(--accent);color:#fff}
.meta-list{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px}
.meta-list span{display:inline-flex;align-items:center;white-space:nowrap}
.meta-list span+span::before{content:"·";margin-right:18px;color:#C9C2B8}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:56px;justify-content:center;align-items:start}

/* ============ 正文排版 ============ */
.article-body{font-size:16px;line-height:1.8;color:var(--ink-2);word-wrap:break-word}
.article-body h2{position:relative;font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;color:var(--ink);margin:48px 0 16px;padding-left:16px;scroll-margin-top:104px}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:3px;height:.95em;background:var(--accent);border-radius:2px}
.article-body h3{font-size:19px;font-weight:600;color:var(--ink);margin:32px 0 12px;scroll-margin-top:104px}
.article-body p{margin:0 0 20px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body strong{color:var(--ink);font-weight:600}
.article-body img{border-radius:12px;margin:24px 0 10px;background:#EFEAE2}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center}
.article-body blockquote{margin:28px 0;padding:4px 0 4px 20px;border-left:1px solid var(--line);color:var(--muted)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left}
.article-body th{background:var(--paper-2);font-weight:600;color:var(--ink)}
.empty-state{border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--paper-2);padding:48px 32px;text-align:center}
.empty-state h2{font-size:24px;margin:0 0 12px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--muted);margin-bottom:24px}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:24px}
.side-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-sm)}
.toc-card{position:sticky;top:96px}
.side-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--ink);margin:0 0 18px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.toc a{display:block;font-size:14px;line-height:1.6;color:var(--muted);padding:8px 0 8px 14px;border-left:1px solid var(--line);transition:color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease)}
.toc a:hover{color:var(--ink)}
.toc a.is-current{color:var(--accent);border-left-color:var(--accent);padding-left:18px}
.side-links li+li{border-top:1px solid var(--line)}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;font-size:14px;color:var(--ink-2);transition:color .2s var(--ease)}
.side-links a:hover{color:var(--accent)}
.side-links a span{color:var(--muted);transition:transform .2s var(--ease)}
.side-links a:hover span{transform:translateX(3px);color:var(--accent)}
.side-cta{background:var(--ink);border-color:var(--ink)}
.side-cta .side-title{color:#fff}
.side-cta p{font-size:14px;line-height:1.75;color:#C9C2B8;margin:0 0 18px}
.side-cta .btn{width:100%}

/* ============ 文末 ============ */
.article-foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:32px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-label{font-size:13px;color:var(--muted);letter-spacing:.02em}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--paper-2);font-size:13px;color:var(--ink-2);transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.tag:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.post-nav a{display:flex;flex-direction:column;gap:6px;padding:20px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.post-nav a:hover{border-color:var(--ink);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.post-nav .pn-label{font-size:12px;color:var(--muted);letter-spacing:.06em}
.post-nav .pn-title{font-size:16px;font-weight:600;color:var(--ink)}
.post-nav .pn-desc{font-size:13px;color:var(--muted)}

/* ============ 相关推荐 ============ */
.related-section{margin-top:96px}
.section-head{display:flex;align-items:flex-end;gap:16px;margin-bottom:32px;flex-wrap:wrap}
.section-num{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--muted)}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.2}
.section-head p{width:100%;margin:4px 0 0;font-size:15px;color:var(--muted)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DAD2C6}
.card-media{aspect-ratio:4/3;overflow:hidden;background:#EFEAE2}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-cat{font-size:12px;letter-spacing:.02em;color:var(--muted)}
.card-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.card-more::after{content:"→";transition:transform .2s var(--ease)}
.card:hover .card-more::after{transform:translateX(4px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9C2B8;padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-logo{font-family:var(--font-num);font-size:22px;font-weight:800;color:#fff;letter-spacing:-.02em}
.footer-logo:hover{color:#E8B79A}
.footer-desc{font-size:14px;line-height:1.8;color:#A9A29A;margin:16px 0 0;max-width:36ch}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin:0 0 18px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C9C2B8;transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:14px;color:#A9A29A;margin:0 0 8px}
.subscribe{display:flex;gap:8px;margin-top:14px}
.subscribe input{flex:1;min-width:0;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.subscribe input::placeholder{color:#8C857C}
.subscribe input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.22)}
.subscribe .btn{height:44px;padding:0 18px;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#8C857C}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px}
}
@media (max-width:1024px){
  .nav-side,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px}
  .article-layout{grid-template-columns:1fr;gap:48px}
  .toc-card{position:static}
  .article-side{order:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .watermark-9{font-size:220px;top:-20px;opacity:.7}
}
@media (max-width:768px){
  .page-main{padding:24px 0 72px}
  .article-head{padding:16px 0 28px;margin-bottom:32px}
  .related-grid{grid-template-columns:1fr 1fr;gap:16px}
  .related-section{margin-top:72px}
  .site-footer{padding-top:56px}
  .post-nav{grid-template-columns:1fr}
  .meta-list span+span::before{margin-right:12px}
  .meta-list{gap:6px 12px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .watermark-9{display:none}
  .crumb-current{white-space:normal;max-width:100%}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
  .search-form{flex-direction:column}
  .search-form .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --ink:#14100E;
  --ink-2:#2A2320;
  --paper:#F7F4EF;
  --paper-2:#FFFFFF;
  --line:#E4DED4;
  --muted:#6E655C;
  --accent:#C05621;
  --accent-deep:#8F3B12;
  --support:#1F5F53;
  --danger:#B3261E;
  --radius:14px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,16,14,.04), 0 12px 32px rgba(20,16,14,.06);
  --shadow-2:0 18px 40px rgba(20,16,14,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:min(1240px,92vw);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Noto Sans SC","PingFang SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  padding-top:76px;
  background:var(--paper);
  color:var(--ink-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{width:var(--wrap);margin:0 auto}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(247,244,239,.9);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,16,14,.02)}
.nav-grid{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;transition:height .24s var(--ease);
}
.site-header.is-scrolled .nav-grid{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side--left{justify-content:flex-start}
.nav-side--right{justify-content:flex-end;gap:18px}
.nav-logo{
  font-family:var(--font-num);font-weight:800;font-size:24px;line-height:1;
  letter-spacing:-.02em;color:var(--ink);padding:0 44px;white-space:nowrap;
}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:8px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ink);
  transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--accent)}
.nav-link.is-active::after{width:100%;background:var(--accent)}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--paper-2);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);transition:all .22s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);background:var(--paper)}
.icon-btn svg{width:18px;height:18px}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 22px;
  border-radius:999px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  transition:all .22s var(--ease);
}
.nav-cta:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}

.nav-mobile{display:none;grid-template-columns:1fr auto 1fr;align-items:center;height:64px}
.nav-mobile .nav-logo{padding:0;font-size:21px}
.nav-mobile .icon-btn{justify-self:end}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--paper-2);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
}
.hamburger svg{width:20px;height:20px}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:var(--paper-2);z-index:100;
  transform:translateX(102%);transition:transform .28s var(--ease);
  padding:28px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-2);
}
.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-num);font-size:20px;font-weight:800;letter-spacing:-.02em}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{
  padding:14px 2px;font-size:17px;line-height:20px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--accent)}
.drawer .nav-cta{margin-top:26px;height:50px}
.nav-mask{
  position:fixed;inset:0;background:rgba(20,16,14,.5);opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);z-index:90;
}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--paper-2)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F0EAE0;transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:var(--muted);padding:22px 0 0;
}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span.sep{color:var(--line)}
.breadcrumb .current{color:var(--ink-2)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:40px 0 72px}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:420px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(192,86,33,.10);color:var(--accent-deep);font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero h1{
  font-size:clamp(34px,5.2vw,60px);line-height:1.08;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  margin-bottom:18px;
}
.hero-sub{font-size:17px;line-height:1.75;color:var(--ink-2);max-width:34em;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-meta{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;letter-spacing:.02em;color:var(--muted)}
.hero-meta li{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:15px;height:15px;color:var(--support)}
.hero-media{
  position:relative;border-radius:var(--radius);overflow:hidden;background:#EDE7DD;box-shadow:var(--shadow-1);
  aspect-ratio:5/4;
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.badge{
  position:absolute;top:16px;left:16px;height:28px;padding:0 12px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge--accent{background:var(--accent);color:#fff}
.coord{
  position:absolute;left:16px;bottom:16px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.9);color:var(--ink);font-family:var(--font-num);
  font-size:12px;font-weight:600;letter-spacing:.08em;display:inline-flex;align-items:center;
}
.watermark{
  position:absolute;right:-10px;top:-40px;font-family:var(--font-num);font-weight:900;
  font-size:clamp(180px,24vw,320px);line-height:1;color:rgba(192,86,33,.07);
  pointer-events:none;user-select:none;z-index:0;
}
.hero-grid{position:relative;z-index:1}

/* ---------- section base ---------- */
.section{padding:96px 0}
.section--alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;gap:20px;align-items:flex-start;margin-bottom:44px}
.section-num{
  font-family:var(--font-num);font-weight:700;font-size:14px;letter-spacing:.12em;
  color:var(--muted);padding-top:8px;flex:0 0 auto;
}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:700;letter-spacing:-.01em;color:var(--ink);margin-bottom:10px;
}
.section-head p{color:var(--muted);max-width:58ch;font-size:15.5px}

/* ---------- row list ---------- */
.row-list{border-top:1px solid var(--line)}
.row-item{
  display:grid;grid-template-columns:64px 1fr 120px 150px;gap:24px;align-items:center;
  padding:22px 16px;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.row-item:hover{background:var(--paper-2);transform:translateX(4px)}
.row-num{
  font-family:var(--font-num);font-weight:800;font-size:26px;line-height:1;letter-spacing:.02em;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.row-body h3{font-size:18px;font-weight:600;line-height:1.4;color:var(--ink);margin-bottom:6px}
.row-body p{font-size:14.5px;color:var(--muted);line-height:1.7}
.row-tags{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;background:#EFEAE1;color:var(--muted);
}
.tag--new{background:rgba(31,95,83,.12);color:var(--support)}
.tag--hot{background:rgba(192,86,33,.12);color:var(--accent-deep)}
.row-thumb{
  width:120px;height:90px;border-radius:var(--radius-img);overflow:hidden;background:#EDE7DD;
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.row-item:hover .row-thumb img{transform:scale(1.05)}
.row-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.price{
  font-family:var(--font-num);font-weight:700;font-size:22px;line-height:1;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.price small{font-size:12px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}
.row-buy{position:relative;font-size:14px;font-weight:600;color:var(--accent-deep)}
.row-buy::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:1.5px;background:currentColor;
  transition:width .24s var(--ease);
}
.row-buy:hover::after{width:100%}

/* ---------- timeline ---------- */
.timeline-wrap{position:relative;overflow-x:auto;padding-bottom:8px}
.timeline{display:flex;min-width:720px;position:relative;padding-top:26px}
.timeline::before{
  content:"";position:absolute;top:6px;left:10px;right:10px;height:1px;background:var(--line);
}
.tl-item{flex:1 1 0;padding-right:26px;position:relative}
.tl-item::before{
  content:"";position:absolute;top:-26px;left:4px;width:13px;height:13px;border-radius:50%;
  background:var(--paper-2);border:2px solid var(--accent);
}
.tl-item .tl-time{
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent-deep);
  display:block;margin-bottom:8px;
}
.tl-item h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:56px;padding-top:36px;border-top:1px solid var(--line);
}
.stat .stat-value{
  font-family:var(--font-num);font-weight:800;font-size:38px;line-height:1;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat .stat-value span{font-size:16px;font-weight:700;margin-left:4px;letter-spacing:0}
.stat .stat-label{display:block;margin-top:10px;font-size:13.5px;color:var(--muted);letter-spacing:.02em}

/* ---------- assure ---------- */
.assure{background:var(--ink);color:#fff;padding:52px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assure-item{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.assure-item:first-child{border-left:0;padding-left:0}
.assure-item svg{width:20px;height:20px;color:var(--accent);margin-bottom:14px}
.assure-item h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:6px}
.assure-item p{font-size:13px;line-height:1.7;color:#C9C2B8}

/* ---------- remind ---------- */
.remind-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.check-list{display:grid;gap:12px;margin-top:22px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:12px;border-radius:4px;
  background:rgba(31,95,83,.14);
}
.check-list li::after{
  content:"";position:absolute;left:4px;top:14px;width:4px;height:7px;
  border-right:2px solid var(--support);border-bottom:2px solid var(--support);transform:rotate(40deg);
}
.form-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;color:var(--muted);letter-spacing:.02em;margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;border-radius:12px;border:1px solid var(--line);background:#fff;
  padding:0 14px;color:var(--ink-2);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:#A79E93}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.18);
}
.field .hint{font-size:13px;color:var(--muted);margin-top:8px}
.form-card .btn{width:100%}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center}

/* ---------- faq ---------- */
.faq{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;background:none;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:background .2s var(--ease);
}
.faq-q:hover{background:#FBF8F3}
.faq-q .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .26s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-q .plus::before{left:0;top:10px;width:22px;height:2px}
.faq-q .plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s var(--ease);
}
.faq-a p{padding:0 26px 20px;font-size:16px;line-height:1.8;color:var(--muted)}
.faq-item.is-open .faq-a{max-height:320px}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:#fff;padding:88px 0;text-align:center}
.cta-band h2{
  font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:700;letter-spacing:-.01em;color:#fff;margin-bottom:16px;
}
.cta-band p{color:#C9C2B8;font-size:15.5px;margin-bottom:32px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9C2B8;padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:56px}
.footer-logo{
  display:inline-block;font-family:var(--font-num);font-weight:800;font-size:22px;line-height:1;
  letter-spacing:-.02em;color:#fff;margin-bottom:16px;
}
.footer-desc{font-size:14px;line-height:1.9;color:#C9C2B8;max-width:38ch}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:#C9C2B8}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:14px;margin-bottom:10px;color:#C9C2B8}
.subscribe{display:flex;gap:8px;margin-top:16px}
.subscribe input{
  flex:1;min-width:0;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;
}
.subscribe input::placeholder{color:#8D857B}
.subscribe input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.28)}
.subscribe .btn{height:48px;padding:0 20px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:12px;color:#9B9389;letter-spacing:.02em;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  body{padding-top:64px}
  .nav-grid{display:none}
  .nav-mobile{display:grid}
  .section{padding:72px 0}
  .hero{padding:28px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:34px;min-height:0}
  .hero-media{aspect-ratio:16/10}
  .watermark{display:none}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:44px}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .assure-item{padding:0 20px}
  .assure-item:nth-child(odd){border-left:0;padding-left:0}
  .assure-item:nth-child(3),.assure-item:nth-child(4){margin-top:8px}
  .remind-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}

@media (max-width:768px){
  .row-item{grid-template-columns:40px 1fr auto;gap:14px;padding:20px 8px}
  .row-thumb{display:none}
  .row-num{font-size:22px}
  .row-body h3{font-size:17px}
  .row-side{align-items:flex-end}
  .price{font-size:19px}
  .section-head{gap:14px;margin-bottom:32px}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a p{padding:0 18px 18px}
  .form-card{padding:24px}
}

@media (max-width:520px){
  body{font-size:15.5px}
  .hero h1{font-size:34px}
  .hero-actions .btn{flex:1 1 100%}
  .section{padding:56px 0}
  .stats{grid-template-columns:1fr;gap:22px;padding-top:28px}
  .stat .stat-value{font-size:32px}
  .assure-grid{grid-template-columns:1fr}
  .assure-item{border-left:0;padding:0}
  .assure-item + .assure-item{margin-top:22px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .timeline{min-width:600px}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#14100E;
  --ink-2:#2A2320;
  --paper:#F7F4EF;
  --paper-2:#FFFFFF;
  --line:#E4DED4;
  --muted:#6E655C;
  --accent:#C05621;
  --accent-deep:#8F3B12;
  --support:#1F5F53;
  --danger:#B3261E;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --num:"Inter","Noto Sans SC","PingFang SC",system-ui,sans-serif;
  --r-card:14px;
  --r-img:12px;
  --r-input:12px;
  --shadow-rest:0 1px 2px rgba(20,16,14,.04),0 12px 32px rgba(20,16,14,.06);
  --shadow-hover:0 18px 40px rgba(20,16,14,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{color:var(--ink);letter-spacing:-0.01em}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:min(1240px,92vw);margin-inline:auto}
.num{font-family:var(--num);font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(20,16,14,.10)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:var(--paper-2)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F0EBE3;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{padding:10px 20px;font-size:14px}

.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--paper-2);border-radius:999px;cursor:pointer;
  transition:border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:80;
  background:rgba(247,244,239,.9);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(20,16,14,.04)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:76px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side--left{grid-column:1;justify-content:flex-start}
.nav-side--right{grid-column:3;justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);
  padding:6px 0;transition:color .2s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{background:var(--accent);transform:scaleX(1)}
.brand{
  grid-column:2;font-family:var(--num);font-weight:800;font-size:22px;letter-spacing:-0.02em;
  color:var(--ink);padding:0 22px;
}
.mobile-bar{display:none}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:100;
  background:var(--paper-2);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .26s var(--ease);
  padding:24px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{font-family:var(--num);font-weight:800;font-size:20px;color:var(--ink)}
.drawer a.drawer-link{
  padding:14px 4px;font-size:16px;line-height:1.25;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer a.drawer-link:hover{color:var(--accent);padding-left:8px}
.drawer a.drawer-link.is-active{color:var(--accent);font-weight:600}
.drawer .btn{margin-top:18px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,14,.5);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 页面主区 ---------- */
.page-main{padding-top:76px}
.crumb{padding:20px 0 4px;font-size:13px;letter-spacing:.02em;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--line)}
.crumb .current{color:var(--ink-2)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:36px 0 0}
.hero-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  min-height:420px;padding-bottom:56px;
}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.12em;
  color:var(--muted);font-family:var(--num);font-weight:700;text-transform:uppercase;margin-bottom:18px;
}
.hero-copy .eyebrow i{width:22px;height:1px;background:var(--accent);display:inline-block}
.page-hero h1{font-size:clamp(34px,5.2vw,60px);line-height:1.08;font-weight:800;letter-spacing:-0.02em}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:var(--ink-2);max-width:34ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:7/5;background:#EDE7DE}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;left:18px;bottom:18px;background:var(--paper-2);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;color:var(--ink);
  box-shadow:var(--shadow-rest);
}
.watermark{
  position:absolute;top:-70px;right:-10px;font-family:var(--num);font-weight:900;
  font-size:clamp(200px,26vw,320px);line-height:.8;color:rgba(192,86,33,.07);
  pointer-events:none;user-select:none;z-index:0;
}
.page-hero .hero-inner,.page-hero .crumb{position:relative;z-index:1}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.sec-num{
  display:block;font-family:var(--num);font-weight:700;font-size:13px;letter-spacing:.12em;
  color:var(--muted);margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:700}
.sec-sub{margin-top:14px;font-size:16px;color:var(--muted);max-width:62ch}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:36px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-value{font-family:var(--num);font-weight:800;font-size:clamp(28px,3vw,38px);color:var(--accent);line-height:1.1;letter-spacing:-0.02em}
.stat-value small{font-size:.5em;margin-left:2px;font-weight:700}
.stat-label{margin-top:8px;font-size:13px;letter-spacing:.02em;color:var(--muted)}

/* ---------- 目录布局 ---------- */
.catalog-layout{display:grid;grid-template-columns:220px 1fr;gap:56px;align-items:start}
.catalog-aside{position:sticky;top:104px}
.aside-title{font-family:var(--num);font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--muted);margin-bottom:14px;text-transform:uppercase}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-link{
  display:block;padding:10px 12px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  font-size:14px;color:var(--muted);transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease);
}
.anchor-link:hover{color:var(--ink);background:var(--paper-2);padding-left:16px}
.anchor-link.is-active{color:var(--ink);font-weight:600;border-left-color:var(--accent);background:var(--paper-2)}
.cat-group{padding-bottom:40px;margin-bottom:40px;border-bottom:1px solid var(--line)}
.cat-group:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.cat-group h2{font-size:24px;font-weight:700;display:flex;align-items:baseline;gap:12px}
.cat-group h2 .gnum{font-family:var(--num);font-weight:700;font-size:13px;letter-spacing:.12em;color:var(--accent)}
.group-intro{margin-top:10px;margin-bottom:20px;font-size:15px;color:var(--muted);max-width:64ch}
.row-list{border-top:1px solid var(--line)}
.row-item a{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.6fr) auto;
  align-items:center;gap:24px;padding:18px 12px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.row-item a:hover{background:var(--paper-2);transform:translateX(4px)}
.row-title{font-size:16px;font-weight:600;color:var(--ink)}
.row-desc{font-size:14px;color:var(--muted);line-height:1.6}
.row-arrow{
  width:32px;height:32px;border-radius:999px;border:1px solid var(--line);display:inline-flex;
  align-items:center;justify-content:center;transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.row-arrow svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.row-item a:hover .row-arrow{border-color:var(--accent);background:rgba(192,86,33,.06)}

/* ---------- 保障条 ---------- */
.assure{background:var(--ink);color:#fff}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assure-item{padding:44px 26px;border-right:1px solid rgba(255,255,255,.12);display:flex;gap:14px;align-items:flex-start}
.assure-item:last-child{border-right:0}
.assure-item svg{width:20px;height:20px;stroke:var(--accent);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;margin-top:5px}
.assure-item h3{font-size:15px;font-weight:600;color:#fff;line-height:1.5}
.assure-item p{font-size:13px;line-height:1.7;color:#C9C2B8;margin-top:4px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--shadow-rest);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8D0C4}
.step-idx{font-family:var(--num);font-weight:800;font-size:13px;letter-spacing:.12em;color:var(--accent)}
.step h3{margin-top:12px;font-size:18px;font-weight:600}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}
.step-bar{height:3px;border-radius:999px;background:var(--line);margin-top:20px;overflow:hidden}
.step-bar i{display:block;height:100%;background:var(--accent);border-radius:999px;width:0;transition:width .8s var(--ease)}
.step.is-in .step-bar i{width:100%}

/* ---------- 图文提示块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:#EDE7DE}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700}
.split p{margin-top:16px;color:var(--ink-2)}
.mini-list{margin-top:24px;display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line)}
.mini-list li{display:flex;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
.mini-list li svg{width:16px;height:16px;stroke:var(--support);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent-deep)}
.faq-icon{
  position:relative;width:20px;height:20px;flex:0 0 auto;transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 0 20px;font-size:16px;line-height:1.8;color:var(--ink-2);max-width:72ch}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background-color:var(--ink);color:#fff;padding:104px 0;overflow:hidden;
  background-image:linear-gradient(rgba(20,16,14,.9),rgba(20,16,14,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cta-inner{max-width:760px;margin:0 auto;text-align:center;position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(26px,3.6vw,42px);line-height:1.2;font-weight:700}
.cta-band p{margin-top:16px;font-size:16px;color:#D5CEC4}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}

/* ---------- 订阅 / 表单 ---------- */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;letter-spacing:.02em;color:var(--muted)}
.field input,.field select,.field textarea{
  height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--paper-2);color:var(--ink-2);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.14);
}
.field .hint{font-size:13px;color:var(--muted)}
.field.is-error input,.field.is-error textarea{border-color:var(--danger)}
.field.is-error .hint{color:var(--danger)}
.field.is-ok input{border-color:var(--support)}

/* ---------- 面包屑下的快速提示 ---------- */
.notice{
  display:flex;gap:12px;align-items:flex-start;background:var(--paper-2);border:1px dashed var(--line);
  border-radius:var(--r-card);padding:18px 20px;margin-top:8px;
}
.notice svg{width:18px;height:18px;stroke:var(--accent);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;margin-top:4px}
.notice p{font-size:14px;color:var(--ink-2)}
.notice a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9C2B8;padding-top:76px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:56px}
.footer-logo{font-family:var(--num);font-weight:800;font-size:22px;color:#fff;letter-spacing:-0.02em}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#A79F94;max-width:42ch}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;letter-spacing:.02em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C9C2B8;transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:14px;color:#A79F94;margin-bottom:8px}
.subscribe{display:flex;gap:10px;margin-top:14px}
.subscribe input{
  flex:1;min-width:0;height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.subscribe input::placeholder{color:#8C8478}
.subscribe input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;font-size:12px;color:#8C8478;letter-spacing:.02em;
}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  .step-bar i{width:100% !important;transition:none}
  .split-media:hover img,.btn:hover{transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-side,.nav-wrap>.brand{display:none}
  .nav-wrap{grid-template-columns:1fr;height:64px}
  .mobile-bar{display:flex;grid-column:1/-1;align-items:center;justify-content:space-between;gap:12px}
  .mobile-bar .brand{padding:0;font-size:20px}
  .page-main{padding-top:64px}
  .hero-inner{grid-template-columns:1fr;gap:32px;min-height:0;padding-bottom:44px}
  .hero-media{aspect-ratio:16/10;order:-1}
  .watermark{top:auto;bottom:-40px;right:-20px;font-size:220px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .catalog-layout{grid-template-columns:1fr;gap:28px}
  .catalog-aside{position:static;top:auto;margin:0 -4vw;padding:0 4vw}
  .aside-title{display:none}
  .anchor-list{flex-direction:row;gap:10px;overflow-x:auto;padding-bottom:10px;-webkit-overflow-scrolling:touch}
  .anchor-link{
    white-space:nowrap;border-left:0;border:1px solid var(--line);border-radius:999px;
    padding:9px 16px;background:var(--paper-2);font-size:14px;
  }
  .anchor-link:hover{padding-left:16px}
  .anchor-link.is-active{border-color:var(--accent);background:rgba(192,86,33,.08)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(n+3){border-bottom:0}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .assure-item:nth-child(2n){border-right:0}
  .assure-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:72px 0}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .hero-sub{font-size:16px}
  .row-item a{grid-template-columns:1fr auto;gap:12px;padding:16px 8px}
  .row-desc{grid-column:1/-1;order:3}
  .assure-item{padding:32px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{padding:26px 16px}
  .hero-actions .btn{width:100%}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
  .watermark{font-size:170px;bottom:-30px}
}

/* roulang page: category2 */
:root{
  --ink:#14100E;
  --ink-2:#2A2320;
  --paper:#F7F4EF;
  --paper-2:#FFFFFF;
  --line:#E4DED4;
  --muted:#6E655C;
  --accent:#C05621;
  --accent-deep:#8F3B12;
  --support:#1F5F53;
  --danger:#B3261E;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,16,14,.04), 0 12px 32px rgba(20,16,14,.06);
  --shadow-2:0 18px 40px rgba(20,16,14,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Noto Sans SC","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:3px solid rgba(192,86,33,.45);outline-offset:2px;border-radius:6px}
.container{width:min(1240px,92vw);margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(247,244,239,.96)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
  height:76px;transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side--left{justify-content:flex-start}
.nav-side--right{justify-content:flex-end;gap:18px}
.nav-link{
  position:relative;display:inline-block;font-size:15px;font-weight:500;
  color:var(--ink-2);padding:6px 0;white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--ink);transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--accent)}
.nav-link.is-active::after{width:100%;background:var(--accent)}
.logo{
  font-family:var(--font-num);font-weight:800;font-size:24px;letter-spacing:-.02em;
  color:var(--ink);line-height:1;white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:var(--paper-2);border-color:var(--line);color:var(--ink)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;align-items:center;justify-content:center;color:var(--ink)}
.nav-toggle:hover{background:var(--paper-2)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(192,86,33,.24)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--paper-2)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F1EBE2;transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(255,255,255,.36);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{
  position:relative;display:inline-block;font-size:14px;font-weight:600;color:var(--accent);padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);
  transition:width .24s var(--ease);
}
.text-link:hover::after{width:100%}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);
  background:var(--paper-2);z-index:90;padding:22px 22px 32px;
  transform:translateX(100%);transition:transform .26s var(--ease);
  overflow-y:auto;box-shadow:-12px 0 40px rgba(20,16,14,.12);
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,14,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;margin:12px 0 24px}
.drawer-nav a{
  font-size:20px;line-height:1.9;padding:8px 0;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-nav a:hover{color:var(--accent);padding-left:6px}
.drawer-nav a.is-active{color:var(--accent)}
.drawer-cta{width:100%}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--muted);padding:22px 0 0;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink)}

/* ============ Hero ============ */
.cat-hero{position:relative;overflow:hidden;padding:32px 0 64px}
.cat-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;min-height:420px;position:relative;z-index:2}
.eyebrow{
  font-family:var(--font-num);font-weight:700;font-size:13px;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;
}
.cat-hero h1{
  font-size:clamp(34px,5.2vw,60px);line-height:1.08;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);margin:14px 0 18px;
}
.cat-hero .lede{font-size:17px;line-height:1.8;color:var(--muted);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;
  font-size:13px;letter-spacing:.02em;color:var(--muted);
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta svg{color:var(--support)}
.hero-figure{position:relative}
.hero-media{
  position:relative;aspect-ratio:4/5;border-radius:var(--radius-img);overflow:hidden;
  background:#EFE9E0;box-shadow:var(--shadow-1);
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.hero-badge{
  position:absolute;top:16px;left:16px;display:inline-flex;align-items:center;gap:6px;
  background:var(--support);color:#fff;font-size:12px;font-weight:600;
  padding:6px 14px;border-radius:var(--radius-pill);
}
.hero-coord{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);
  border-radius:var(--radius-pill);padding:6px 14px;
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--muted);
}
.watermark-9{
  position:absolute;right:-2%;top:-60px;z-index:1;
  font-family:var(--font-num);font-weight:900;line-height:.8;
  font-size:clamp(180px,24vw,330px);
  color:rgba(192,86,33,.07);
  pointer-events:none;user-select:none;
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section--paper{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .index{
  display:block;font-family:var(--font-num);font-weight:700;font-size:13px;
  letter-spacing:.12em;color:var(--muted);margin-bottom:10px;
}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:700;color:var(--ink)}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 0 22px;margin-top:8px;border-bottom:1px solid var(--line);
}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:8px 16px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:var(--paper-2);font-size:14px;color:var(--ink-2);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.is-active:hover{background:var(--ink);color:#fff}
.sort-wrap{display:flex;align-items:center;gap:10px}
.sort-wrap label{font-size:13px;color:var(--muted);letter-spacing:.02em;white-space:nowrap}
.select-shell{position:relative}
.select-shell::after{
  content:"";position:absolute;right:16px;top:50%;width:8px;height:8px;margin-top:-6px;
  border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);
  transform:rotate(45deg);pointer-events:none;
}
.select-shell select{
  appearance:none;-webkit-appearance:none;
  height:44px;padding:0 40px 0 16px;border:1px solid var(--line);
  border-radius:var(--radius-input);background:var(--paper-2);font-size:14px;
  color:var(--ink);cursor:pointer;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.select-shell select:hover{border-color:var(--muted)}
.select-shell select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.16);outline:none}

/* ============ 双列宽卡 ============ */
.wide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px}
.wide-card{
  display:grid;grid-template-columns:45% 1fr;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.wide-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D8D0C3}
.wide-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EFE9E0}
.wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
.wide-card:hover .wide-media img{transform:scale(1.03)}
.tag-new{
  position:absolute;top:12px;left:12px;background:var(--support);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);
}
.tag-hot{
  position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);
}
.wide-body{padding:22px 24px;display:flex;flex-direction:column}
.wide-cat{font-size:12px;color:var(--muted);letter-spacing:.02em}
.wide-title{font-size:19px;font-weight:600;line-height:1.35;color:var(--ink);margin:8px 0 6px}
.wide-desc{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wide-price{
  font-family:var(--font-num);font-weight:800;font-size:22px;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;margin:16px 0 8px;
}
.wide-price small{font-size:14px;font-weight:600;margin-right:2px}
.rating{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.stars{display:flex;gap:2px;color:var(--accent)}
.stars svg{width:14px;height:14px}
.stock-row{margin:14px 0 18px}
.stock-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
.stock-label b{font-family:var(--font-num);font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.stock{height:6px;border-radius:var(--radius-pill);background:var(--line);overflow:hidden}
.stock i{display:block;height:100%;border-radius:var(--radius-pill);background:var(--support);transition:width .6s var(--ease)}
.stock.is-low i{background:var(--accent)}
.wide-actions{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.empty-note{
  display:none;margin-top:32px;padding:40px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-card);color:var(--muted);font-size:15px;
}
.empty-note.is-visible{display:block}

/* ============ 数据条 ============ */
.stats{padding:64px 0;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding-right:20px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{
  font-family:var(--font-num);font-weight:800;font-size:clamp(28px,3.4vw,40px);
  color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;
}
.stat .num span{font-size:.6em;margin-left:2px}
.stat .label{font-size:13px;color:var(--muted);letter-spacing:.02em;margin-top:8px}

/* ============ 评价轮播 ============ */
.reviews-wrap{position:relative}
.reviews-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 16px;scrollbar-width:none;-ms-overflow-style:none;
}
.reviews-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 min(340px,78vw);scroll-snap-align:start;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.review-text{margin:14px 0 18px;font-size:15.5px;line-height:1.8;color:var(--ink-2)}
.review-meta{font-size:13px;color:var(--muted);letter-spacing:.02em}
.review-meta b{color:var(--ink);font-weight:600}
.carousel-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;background:var(--paper-2);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);z-index:3;color:var(--ink);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.carousel-btn:hover{border-color:var(--accent);color:var(--accent)}
.carousel-btn.prev{left:-22px}
.carousel-btn.next{right:-22px}
.swipe-hint{display:none;font-size:13px;color:var(--muted);margin-top:4px}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-icon{flex:0 0 auto;color:var(--muted);transition:transform .24s var(--ease),color .2s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 0 18px;font-size:16px;line-height:1.8;color:var(--muted);max-width:760px}

/* ============ CTA 深色区 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:96px 0;text-align:center}
.cta-band h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;font-weight:700}
.cta-band p{margin:16px auto 0;max-width:640px;color:#C9C2B8;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:32px}
.cta-band .watermark-9{color:rgba(255,255,255,.05);top:-70px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9C2B8;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-logo{font-family:var(--font-num);font-weight:800;font-size:22px;color:#fff;letter-spacing:-.02em}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:#C9C2B8;max-width:34em}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li a{font-size:14px;color:#C9C2B8;line-height:2.2;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-contact p{font-size:14px;line-height:2;color:#C9C2B8}
.subscribe{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 160px;height:48px;padding:0 16px;border-radius:var(--radius-input);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe input::placeholder{color:#9C948A}
.subscribe input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.22);outline:none}
.subscribe .btn{height:48px;padding:0 22px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:#9C948A;letter-spacing:.02em;
}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .header-inner{grid-template-columns:auto 1fr auto;gap:12px;height:64px}
  .nav-toggle{display:flex}
  .nav-side--left{display:none}
  .nav-side--right .nav-link,.nav-side--right .btn{display:none}
  .logo{justify-self:center;font-size:22px}
  .nav-side--right{justify-content:flex-end}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;min-height:0}
  .hero-media{max-width:520px;margin:0 auto;aspect-ratio:4/3}
  .watermark-9{top:-40px;font-size:clamp(140px,26vw,220px)}
  .wide-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .stat:nth-child(2){border-right:0}
  .stat{padding-right:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:64px 0}
  .section-head{margin-bottom:28px}
  .filter-bar{align-items:stretch;flex-direction:column}
  .sort-wrap{justify-content:space-between}
  .select-shell select{width:100%}
  .carousel-btn{display:none}
  .swipe-hint{display:block}
  .cta-band{padding:72px 0}
  .hero-actions .btn{flex:1 1 100%}
  .stats{padding:48px 0}
}
@media (max-width:520px){
  .container{width:92vw}
  .section{padding:56px 0}
  .watermark-9{display:none}
  .wide-card{grid-template-columns:1fr}
  .wide-media{aspect-ratio:16/10}
  .wide-body{padding:20px}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding-bottom:16px}
  .stat:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .subscribe .btn{flex:1 1 100%}
  .faq-q{font-size:16px;padding:18px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1!important;transform:none!important}
}

/* roulang page: category4 */
:root{
  --ink:#14100E;
  --ink-2:#2A2320;
  --paper:#F7F4EF;
  --paper-2:#FFFFFF;
  --line:#E4DED4;
  --muted:#6E655C;
  --accent:#C05621;
  --accent-deep:#8F3B12;
  --support:#1F5F53;
  --danger:#B3261E;
  --radius:14px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(20,16,14,.04),0 12px 32px rgba(20,16,14,.06);
  --shadow-hover:0 18px 40px rgba(20,16,14,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:min(1240px,92vw);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Noto Sans SC","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink-2);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:var(--container);margin:0 auto}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  padding:0 24px;height:48px;border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(192,86,33,.22)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(192,86,33,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(192,86,33,.2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:var(--paper-2);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F1EBE2;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent);
  font-weight:600;font-size:15px;position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--accent);transition:width .26s var(--ease);
}
.text-link:hover::after{width:100%}
.text-link svg{transition:transform .22s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.88);
  backdrop-filter:saturate(160%) blur(10px);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(20,16,14,.05)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{
  font-family:var(--font-num);font-size:24px;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);justify-self:center;line-height:1;
}
.brand span{color:var(--accent)}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side--left{justify-self:start}
.nav-side--right{justify-self:end;gap:20px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--ink);transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{width:100%;background:var(--accent)}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:inline-flex;
  align-items:center;justify-content:center;color:var(--ink);
  border:1px solid transparent;transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:var(--paper-2);border-color:var(--line)}
.menu-toggle,.search-toggle{display:none}

.search-panel{
  border-top:1px solid var(--line);background:var(--paper-2);
  box-shadow:0 18px 40px rgba(20,16,14,.08);
}
.search-panel[hidden]{display:none}
.search-inner{display:flex;gap:12px;padding:18px 0;align-items:center}
.search-inner input{
  flex:1;height:48px;border-radius:var(--radius-sm);border:1px solid var(--line);
  padding:0 16px;font-size:15px;font-family:var(--font-cn);background:var(--paper);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-inner input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.14)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,14,.5);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:var(--paper-2);
  z-index:90;transform:translateX(100%);transition:transform .28s var(--ease);
  padding:24px 22px 32px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  border-left:1px solid var(--line);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-brand{font-family:var(--font-num);font-size:22px;font-weight:800;color:var(--ink)}
.drawer-brand span{color:var(--accent)}
.drawer a.drawer-link{
  display:block;font-size:17px;font-weight:500;color:var(--ink-2);padding:13px 4px;
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer a.drawer-link:hover{color:var(--accent);padding-left:8px}
.drawer a.drawer-link.is-active{color:var(--accent)}
.drawer .btn{margin-top:20px;width:100%}

/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted);letter-spacing:.02em}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a:hover{color:var(--accent)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:34px 0 76px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.06em;color:var(--accent);background:rgba(192,86,33,.08);
  border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.08;font-weight:800;letter-spacing:-.02em}
.hero-sub{margin-top:18px;font-size:clamp(17px,1.6vw,20px);color:var(--ink-2);font-weight:500;max-width:34ch}
.hero-text{margin-top:16px;color:var(--muted);font-size:16px;max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/5;background:var(--line)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;left:16px;bottom:16px;background:rgba(247,244,239,.94);
  border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;color:var(--ink);
  display:inline-flex;align-items:center;gap:8px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--support);display:inline-block}
.hero-coord{
  position:absolute;right:16px;top:16px;font-family:var(--font-num);font-size:12px;
  letter-spacing:.14em;color:var(--ink);background:rgba(255,255,255,.92);
  padding:6px 12px;border-radius:999px;
}
.watermark{
  position:absolute;right:-2%;top:-8%;font-family:var(--font-num);font-weight:900;
  font-size:clamp(180px,26vw,320px);line-height:1;color:rgba(192,86,33,.07);
  pointer-events:none;user-select:none;z-index:0;
}
.hero .container{position:relative;z-index:1}

/* ============ 板块通用 ============ */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:680px;margin-bottom:48px}
.section-num{
  font-family:var(--font-num);font-weight:700;font-size:13px;letter-spacing:.12em;
  color:var(--muted);display:block;margin-bottom:12px;
}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2}
.section-head p{margin-top:14px;color:var(--muted)}

/* ============ 图文双栏（左粘性文本 + 右滚动内容） ============ */
.split{display:grid;grid-template-columns:340px 1fr;gap:64px;align-items:start}
.split-aside{position:sticky;top:110px}
.split-aside h2{font-size:clamp(26px,3vw,36px);line-height:1.24}
.split-aside p{margin-top:16px;color:var(--muted);font-size:15.5px}
.split-aside .text-link{margin-top:20px}
.feature{display:grid;grid-template-columns:1fr 220px;gap:28px;align-items:center;padding:26px 0;border-top:1px solid var(--line)}
.feature:first-child{border-top:0;padding-top:0}
.feature:last-child{padding-bottom:0}
.feature h3{font-size:21px;line-height:1.35}
.feature p{margin-top:10px;color:var(--muted);font-size:15.5px}
.feature-media{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:4/3;background:var(--line)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.feature:hover .feature-media img{transform:scale(1.03)}
.feature-tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--support);background:rgba(31,95,83,.09);border-radius:999px;
  padding:4px 10px;margin-bottom:10px;
}

/* ============ 时间轴 ============ */
.timeline{display:flex;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x proximity}
.timeline::-webkit-scrollbar{height:6px}
.timeline::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.tl-item{
  flex:0 0 250px;padding:44px 26px 0 0;position:relative;scroll-snap-align:start;
}
.tl-item::before{content:"";position:absolute;top:15px;left:0;right:0;height:1px;background:var(--line)}
.tl-item::after{
  content:"";position:absolute;top:10px;left:0;width:11px;height:11px;border-radius:50%;
  background:var(--paper);border:2px solid var(--accent);
}
.tl-step{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent)}
.tl-item h3{font-size:19px;margin-top:10px}
.tl-item p{margin-top:8px;font-size:15px;color:var(--muted)}

/* ============ 指标 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid var(--line);margin-top:56px;padding-top:36px;
}
.metric-num{font-family:var(--font-num);font-weight:800;font-size:clamp(30px,4vw,44px);line-height:1;color:var(--accent);letter-spacing:-.02em}
.metric-label{margin-top:10px;font-size:14px;color:var(--muted)}

/* ============ 保障条 ============ */
.assurance{background:var(--ink);color:#fff;padding:44px 0}
.assurance-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assurance-item{padding:0 26px;border-left:1px solid rgba(255,255,255,.12)}
.assurance-item:first-child{border-left:0;padding-left:0}
.assurance-item svg{color:var(--accent);margin-bottom:12px}
.assurance-item h3{color:#fff;font-size:15px;font-weight:600}
.assurance-item p{color:#C9C2B8;font-size:13px;margin-top:6px;line-height:1.7}

/* ============ FAQ ============ */
.faq{max-width:860px;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:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-q .plus{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg);border-color:var(--accent);background:rgba(192,86,33,.08)}
.faq-q[aria-expanded="true"] .plus svg{color:var(--accent)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 0 22px;color:var(--muted);font-size:16px;line-height:1.8;max-width:72ch}

/* ============ CTA ============ */
.cta{background:var(--ink);color:#fff;padding:96px 0;text-align:center}
.cta h2{color:#fff;font-size:clamp(26px,3.4vw,40px);line-height:1.2}
.cta p{color:#C9C2B8;margin-top:16px;font-size:16px}
.cta-actions{display:flex;justify-content:center;gap:14px;margin-top:34px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9C2B8;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-logo{font-family:var(--font-num);font-size:24px;font-weight:800;color:#fff;letter-spacing:-.02em}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;max-width:36ch}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#C9C2B8;transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:14px;line-height:1.9}
.subscribe{display:flex;gap:10px;margin-top:16px}
.subscribe input{
  flex:1;min-width:0;height:48px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;font-family:var(--font-cn);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe input::placeholder{color:#8E857B}
.subscribe input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.22)}
.subscribe .btn{height:48px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);margin-top:52px;padding:20px 0 26px;
  font-size:12px;color:#8E857B;
}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-side--right .search-btn{display:none}
}
@media (max-width:1023px){
  .header-inner{grid-template-columns:48px 1fr 48px;height:68px}
  .site-header.is-scrolled .header-inner{height:60px}
  .nav-side{display:none}
  .menu-toggle{display:inline-flex;grid-column:1;justify-self:start}
  .search-toggle{display:inline-flex;grid-column:3;justify-self:end}
  .brand{grid-column:2;justify-self:center;font-size:22px}
  .watermark{display:none}
  .hero{padding:24px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media{aspect-ratio:1/1;max-width:520px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .split{grid-template-columns:1fr;gap:34px}
  .split-aside{position:static}
  .feature{grid-template-columns:1fr 180px}
  .metrics{grid-template-columns:repeat(2,1fr);gap:28px}
  .assurance-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .assurance-item:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta{padding:72px 0}
}
@media (max-width:600px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .section-head{margin-bottom:32px}
  .hero h1{font-size:clamp(30px,8vw,40px)}
  .hero-sub{max-width:none}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 auto}
  .feature{grid-template-columns:1fr;gap:18px}
  .feature-media{aspect-ratio:16/9;order:-1}
  .metrics{grid-template-columns:repeat(2,1fr);gap:24px}
  .assurance-grid{grid-template-columns:1fr}
  .assurance-item{border-left:0;padding:0}
  .assurance-item+.assurance-item{margin-top:24px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --ink:#14100E;
  --ink-2:#2A2320;
  --paper:#F7F4EF;
  --paper-2:#FFFFFF;
  --line:#E4DED4;
  --muted:#6E655C;
  --accent:#C05621;
  --accent-deep:#8F3B12;
  --green:#1F5F53;
  --danger:#B3261E;
  --radius:14px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-rest:0 1px 2px rgba(20,16,14,.04),0 12px 32px rgba(20,16,14,.06);
  --shadow-hover:0 18px 40px rgba(20,16,14,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--paper);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:min(1240px,92vw);margin-inline:auto}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  border:1px solid transparent;background:transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(20,16,14,.08)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);background:var(--accent-deep)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--paper-2);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#F1EAE1;transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.4);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:54px;padding:0 32px;font-size:16px}
.btn-block{width:100%}

/* ---------- 头部导航 ---------- */
.site-header{
  --h:76px;
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.94);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  --h:64px;
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(20,16,14,.06);
  backdrop-filter:blur(8px);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:24px;height:var(--h);transition:height .22s var(--ease);
}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side--left{justify-self:start}
.header-right{display:flex;align-items:center;gap:16px;justify-self:end}
.nav-link{
  position:relative;padding:6px 2px;font-size:15px;font-weight:500;
  color:var(--muted);white-space:nowrap;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{
  justify-self:center;font-family:var(--font-num);font-size:23px;font-weight:800;
  letter-spacing:-.02em;color:var(--ink);white-space:nowrap;
}
.brand:hover{color:var(--accent)}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-2);color:var(--ink);cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-1px)}
.icon-btn svg{width:19px;height:19px}
.menu-toggle{
  display:none;width:42px;height:42px;padding:0;border:1px solid var(--line);
  border-radius:12px;background:var(--paper-2);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.header-search{
  border-top:1px solid var(--line);
  background:var(--paper-2);
  padding:16px 0;
}
.header-search[hidden]{display:none}
.search-form{display:flex;gap:12px}
.search-form input{
  flex:1;height:48px;padding:0 16px;border:1px solid var(--line);
  border-radius:12px;background:#fff;font-family:inherit;font-size:15px;color:var(--ink);
}
.search-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.16)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,14,.5);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);
  background:var(--paper);z-index:120;padding:20px;overflow-y:auto;
  display:flex;flex-direction:column;gap:20px;
  transform:translateX(102%);transition:transform .26s var(--ease);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head .brand{font-size:20px}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  padding:14px 2px;font-size:17px;line-height:1.4;font-weight:500;
  color:var(--ink-2);border-bottom:1px solid var(--line);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.drawer-nav a:hover{color:var(--accent);padding-left:6px}
.drawer-nav a.is-active{color:var(--accent)}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:28px 0 88px}
.page-hero .container{position:relative;z-index:1}
.hero-mark{
  position:absolute;top:-70px;right:-24px;z-index:0;
  font-family:var(--font-num);font-weight:900;font-size:300px;line-height:1;
  color:rgba(192,86,33,.07);pointer-events:none;user-select:none;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:var(--muted);margin-bottom:34px;
}
.breadcrumb a{transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span[aria-hidden]{color:#BEB5A8}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--muted);
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:7px 16px;margin-bottom:22px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.page-hero h1{font-size:clamp(34px,5.2vw,60px);font-weight:800;letter-spacing:-.02em;line-height:1.08}
.lead{margin-top:18px;font-size:clamp(17px,1.6vw,20px);font-weight:600;color:var(--ink-2)}
.hero-text{margin-top:14px;max-width:560px;font-size:15.5px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-media{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  background:#EDE7DE;aspect-ratio:16/11;box-shadow:var(--shadow-rest);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;left:16px;bottom:16px;
  background:var(--paper-2);color:var(--ink);
  font-size:12.5px;font-weight:600;letter-spacing:.01em;
  padding:9px 16px;border-radius:var(--radius-pill);box-shadow:var(--shadow-rest);
}

/* ---------- 数据条 ---------- */
.stat-band{padding:8px 0 0}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-item{padding:30px 22px 30px 0}
.stat-num{
  font-family:var(--font-num);font-weight:800;font-size:clamp(26px,3vw,38px);
  line-height:1.1;letter-spacing:-.01em;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.stat-num--text{font-size:clamp(22px,2.3vw,30px)}
.stat-unit{font-size:.5em;font-weight:700;margin-left:4px;color:var(--ink)}
.stat-label{margin-top:8px;font-size:13px;letter-spacing:.02em;color:var(--muted)}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section--alt{background:var(--paper-2)}
.sec-head{max-width:680px;margin-bottom:44px}
.sec-title{
  display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;
  font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1.2;letter-spacing:-.01em;
}
.sec-num{
  font-family:var(--font-num);font-weight:700;font-size:14px;
  letter-spacing:.12em;color:var(--muted);
}
.sec-sub{margin-top:14px;font-size:15.5px;color:var(--muted)}

/* ---------- 保障条 ---------- */
.assure{background:var(--ink);color:#fff;padding:44px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assure-item{
  padding:8px 24px;display:flex;gap:14px;align-items:flex-start;
  border-left:1px solid rgba(255,255,255,.12);
}
.assure-item:first-child{border-left:0;padding-left:0}
.assure-item svg{width:20px;height:20px;flex:none;margin-top:5px;color:var(--accent)}
.assure-item h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:4px}
.assure-item p{font-size:13px;line-height:1.7;color:#C9C2B8}

/* ---------- 服务范围表 ---------- */
.table-wrap{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-rest);
}
.svc-table{width:100%;border-collapse:collapse;font-size:15px}
.svc-table th{
  background:#FBF9F5;text-align:left;font-size:13px;font-weight:600;
  letter-spacing:.02em;color:var(--muted);padding:16px 24px;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.svc-table td{
  padding:18px 24px;border-bottom:1px solid var(--line);color:var(--ink-2);
  vertical-align:top;
}
.svc-table tbody tr{transition:background .18s var(--ease)}
.svc-table tbody tr:hover{background:#FBF7F1}
.svc-table tbody tr:last-child td{border-bottom:0}
.svc-table td:first-child{font-weight:600;color:var(--ink);width:24%}

/* ---------- 流程 ---------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8D0C4}
.step-num{
  font-family:var(--font-num);font-weight:700;font-size:14px;
  letter-spacing:.12em;color:var(--accent);
}
.step h3{margin:14px 0 8px;font-size:19px}
.step p{font-size:15px;line-height:1.75;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;background:none;border:0;padding:20px 0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-icon{flex:none;width:22px;height:22px;color:var(--accent);transition:transform .24s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{max-width:720px;padding:0 0 20px;font-size:15.5px;line-height:1.8;color:var(--muted)}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:start}
.form-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;box-shadow:var(--shadow-rest);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.label{font-size:13px;letter-spacing:.02em;color:var(--muted)}
.label .req{color:var(--accent)}
.input,.select,.textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);
  border-radius:12px;background:#fff;font-family:inherit;font-size:15px;color:var(--ink);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.select{
  appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236E655C' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
  padding-right:40px;
}
.textarea{height:auto;min-height:126px;padding:12px 14px;line-height:1.7;resize:vertical}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.16);
}
.field.is-error .input,.field.is-error .textarea,.field.is-error .select{border-color:var(--danger)}
.field.is-error .input:focus,.field.is-error .textarea:focus{box-shadow:0 0 0 3px rgba(179,38,30,.14)}
.error-text{font-size:13px;color:var(--danger)}
.error-text[hidden]{display:none}
.form-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--muted)}
.form-status{
  margin-top:18px;padding:14px 18px;border-radius:12px;font-size:14.5px;line-height:1.7;
}
.form-status[hidden]{display:none}
.form-status.is-success{background:rgba(31,95,83,.09);border:1px solid rgba(31,95,83,.28);color:var(--green)}
.form-status.is-error{background:rgba(179,38,30,.07);border:1px solid rgba(179,38,30,.28);color:var(--danger)}
.info-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-rest);
}
.info-card h3{font-size:19px;margin-bottom:6px}
.info-card > p{font-size:14px;color:var(--muted)}
.info-list{list-style:none;margin-top:12px}
.info-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list svg{width:20px;height:20px;flex:none;margin-top:5px;color:var(--accent)}
.info-list strong{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.info-list span{font-size:13.5px;line-height:1.7;color:var(--muted)}

/* ---------- 底部 CTA ---------- */
.final-cta{
  background:linear-gradient(rgba(20,16,14,.9),rgba(20,16,14,.94)),
             url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:#fff;padding:100px 0;text-align:center;
}
.final-cta h2{
  color:#fff;font-size:clamp(26px,3.6vw,42px);line-height:1.2;letter-spacing:-.01em;
  max-width:760px;margin-inline:auto;
}
.final-cta p{
  margin:18px auto 0;max-width:620px;font-size:15.5px;line-height:1.8;color:#CFC7BC;
}
.final-cta .cta-actions{
  display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:34px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9C2B8;padding:68px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.9fr 1fr 1fr 1.5fr;gap:40px;
  padding-bottom:52px;
}
.footer-logo{
  font-family:var(--font-num);font-size:22px;font-weight:800;
  letter-spacing:-.02em;color:#fff;
}
.footer-logo:hover{color:var(--accent)}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.8;color:#A79E94;max-width:380px}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:#B7AEA4;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-contact p{font-size:13.5px;line-height:1.8;color:#A79E94;margin-bottom:6px}
.subscribe{display:flex;gap:8px;margin-top:14px}
.subscribe input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-family:inherit;font-size:14px;
}
.subscribe input::placeholder{color:#8E857B}
.subscribe input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,86,33,.28)}
.subscribe .btn{height:44px;padding:0 18px;font-size:14px;flex:none}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
}
.footer-bottom p{font-size:12px;color:#8E857B}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-side{display:none}
  .header-cta{display:none}
  .menu-toggle{display:flex}
  .header-inner{grid-template-columns:auto 1fr auto;gap:12px;height:64px}
  .brand{font-size:20px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero{padding:20px 0 64px}
  .page-hero h1{font-size:clamp(30px,7vw,46px)}
  .hero-mark{display:none}
  .hero-text{max-width:none}
  .section{padding:72px 0}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:24px 16px 24px 0}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .assure-item:nth-child(odd){border-left:0;padding-left:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand,.footer-contact{grid-column:1 / -1}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .sec-title{gap:10px}
  .table-wrap{background:transparent;border:0;box-shadow:none;overflow:visible}
  .svc-table,.svc-table tbody,.svc-table tr,.svc-table td{display:block;width:100%}
  .svc-table thead{display:none}
  .svc-table tr{
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
    padding:8px 18px;margin-bottom:14px;box-shadow:var(--shadow-rest);
  }
  .svc-table td{
    display:flex;justify-content:space-between;gap:18px;
    padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px;
  }
  .svc-table td:last-child{border-bottom:0}
  .svc-table td:first-child{width:auto;font-size:16px;font-weight:600}
  .svc-table td::before{
    content:attr(data-label);flex:none;font-size:13px;color:var(--muted);font-weight:400;
  }
  .svc-table td:first-child::before{content:none}
  .steps{grid-template-columns:1fr;gap:16px}
  .steps .step{padding:24px 20px}
  .form-card,.info-card{padding:24px}
  .form-row{grid-template-columns:1fr;gap:0}
  .final-cta{padding:72px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{font-size:16px;padding:18px 0}
}
@media (max-width:520px){
  .stat-row{grid-template-columns:1fr}
  .stat-item{padding:20px 0}
  .assure-grid{grid-template-columns:1fr}
  .assure-item{border-left:0;padding:12px 0}
  .hero-actions .btn{width:100%}
  .subscribe{flex-wrap:wrap}
  .subscribe input{width:100%}
  .subscribe .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto!important}
  .btn:hover,.step:hover,.icon-btn:hover{transform:none}
}