/* roulang page: index */
:root{
  --c-primary:#14342B;
  --c-primary-d:#0B211B;
  --c-primary-l:#1F4A3C;
  --c-accent:#C9603A;
  --c-accent-d:#AD4E2C;
  --c-gold:#E4A93C;
  --bg:#F6F3ED;
  --bg-alt:#EDE8DF;
  --surface:#FFFFFF;
  --text:#1B1B19;
  --text-2:#6B6A63;
  --line:#DCD5C8;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#A93B2E;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,33,27,.06),0 10px 24px rgba(11,33,27,.06);
  --sh-2:0 16px 36px rgba(11,33,27,.12);
  --container:1240px;
  --pad:24px;
  --sec:96px;
  --dock-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-bottom:48px;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.num,.stat-num,.price-num,.step-num,.card-index{font-variant-numeric:tabular-nums;font-weight:800;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad);}
.section{padding:var(--sec) 0;}
.section-alt{background:var(--bg-alt);}
.sec-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--c-accent);display:block;}
.sec-title{font-size:clamp(24px,3.4vw,36px);}
.sec-desc{margin-top:16px;color:var(--text-2);font-size:16px;max-width:640px;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;left:0;right:0;top:20px;z-index:80;
  display:flex;justify-content:center;padding:0 16px;
  transition:top .24s ease;
}
.dock{
  width:100%;max-width:1180px;height:var(--dock-h);
  display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;
  background:rgba(246,243,237,.72);
  border:1px solid rgba(220,213,200,.9);
  border-radius:var(--r-pill);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.dock-wrap.is-scrolled .dock{
  background:rgba(246,243,237,.94);
  box-shadow:var(--sh-1);
  border-color:var(--line);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{position:relative;width:24px;height:24px;flex:0 0 24px;}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;background:var(--c-primary);}
.brand-mark::before{left:0;top:0;width:24px;height:2.5px;}
.brand-mark::after{left:0;top:0;width:2.5px;height:24px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-primary);}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--text-2);letter-spacing:.06em;line-height:1;margin-top:2px;}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.dock-menu a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:14.5px;font-weight:600;color:var(--text-2);border-radius:var(--r-pill);
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.dock-menu a:hover{background:rgba(20,52,43,.07);color:var(--c-primary);}
.dock-menu a.active{background:var(--c-primary);color:#F6F3ED;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;border-radius:var(--r-pill);
  color:var(--c-primary);transition:background .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:rgba(20,52,43,.07);border-color:var(--line);}
.icon-btn svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line);border-radius:var(--r-pill);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#F6F3ED;}
.btn-primary:hover{background:var(--c-accent);color:#F6F3ED;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);background:var(--c-accent-d);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(20,52,43,.06);color:var(--c-primary);}
.btn-ghost:active{background:rgba(20,52,43,.12);}
.btn-block{width:100%;}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;
  color:var(--c-primary);border-bottom:2px solid rgba(20,52,43,.3);
  padding-bottom:2px;transition:border-color .18s ease,color .18s ease;
}
.link-cta::after{content:"→";transition:transform .18s ease;}
.link-cta:hover{border-color:var(--c-accent);color:var(--c-accent);}
.link-cta:hover::after{transform:translateX(2px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding-top:150px;padding-bottom:88px;
  background:
    linear-gradient(rgba(20,52,43,.045) 1px,transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg,rgba(20,52,43,.045) 1px,transparent 1px) 0 0/24px 24px,
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-title{font-size:clamp(30px,5vw,54px);letter-spacing:-.02em;}
.hero-title em{font-style:normal;color:var(--c-accent);}
.hero-sub{margin-top:22px;font-size:17px;color:var(--text-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  margin-top:48px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
}
.stat{background:var(--surface);padding:20px 18px;}
.stat-num{font-size:26px;color:var(--c-primary);letter-spacing:-.02em;}
.stat-lab{display:block;font-size:13px;color:var(--text-2);margin-top:2px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.hero-badge{
  position:absolute;right:-10px;bottom:-10px;width:88px;height:88px;
  background:var(--c-primary);color:#F6F3ED;border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
}
.hero-badge .n{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;}
.hero-badge .t{font-size:11px;letter-spacing:.06em;margin-top:6px;opacity:.85;}

/* ---------- Bento 卖点 ---------- */
.bento{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.bento-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease;
}
.bento-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.bento-card::before{
  content:"";position:absolute;left:32px;top:22px;width:8px;height:8px;
  border-left:2px solid var(--c-accent);border-top:2px solid var(--c-accent);
}
.bento-main{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;gap:28px;}
.bento-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);}
.card-index{font-size:13px;color:var(--c-accent);letter-spacing:.1em;padding-top:20px;}
.card-title{font-size:20px;margin-top:10px;}
.card-desc{margin-top:12px;color:var(--text-2);font-size:15px;max-width:46ch;}

/* ---------- 演示流程 ---------- */
#demo .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.step{position:relative;padding:28px 24px 28px 0;}
.step::after{content:"";position:absolute;left:0;top:0;width:32px;height:2px;background:var(--c-accent);}
.step-num{font-size:13px;color:var(--c-accent);letter-spacing:.1em;padding-top:14px;display:block;}
.step h3{font-size:19px;margin-top:10px;}
.step p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:28ch;}
.preview{margin-top:48px;}
.preview img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-1);}

/* ---------- 证据 ---------- */
.proof-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.proof-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;}
.proof-item .stat-num{font-size:34px;color:var(--c-primary);}
.proof-item .stat-lab{margin-top:6px;}
.proof-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:40px;}
.proof-tag{
  display:flex;align-items:center;justify-content:center;min-height:64px;
  background:#E8E4DB;border:1px solid var(--line);border-radius:var(--r-badge);
  font-size:13px;font-weight:600;color:#6B6A63;text-align:center;padding:8px;
  filter:grayscale(1);
}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;}
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--c-primary);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
}
.quote-card p{font-size:15.5px;line-height:1.9;}
.quote-meta{margin-top:16px;font-size:13px;color:var(--text-2);}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:24px;align-items:stretch;}
.price-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:34px 28px;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);transition:box-shadow .22s ease,transform .22s ease;
}
.price-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.price-card.is-featured{border-color:var(--c-primary);border-width:2px;padding:42px 32px;}
.price-badge{
  position:absolute;top:-13px;left:32px;height:26px;padding:0 12px;
  display:inline-flex;align-items:center;background:var(--c-gold);color:#3A2A06;
  font-size:12px;font-weight:800;border-radius:var(--r-badge);letter-spacing:.04em;
}
.price-name{font-size:19px;font-weight:800;}
.price-num{margin-top:14px;font-size:40px;color:var(--c-primary);letter-spacing:-.02em;}
.price-num small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:6px;letter-spacing:0;}
.price-list{margin:24px 0 28px;display:grid;gap:12px;flex:1 1 auto;}
.price-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2);}
.price-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-left:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:rotate(-45deg);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:border-color .2s ease;}
.faq-item[open]{border-left:3px solid var(--c-primary);background:rgba(255,255,255,.55);}
.faq-item summary{
  list-style:none;min-height:64px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:16px 18px;font-size:16.5px;font-weight:700;cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:0 0 14px;width:14px;height:14px;position:relative;
  background:
    linear-gradient(var(--c-primary),var(--c-primary)) center/14px 2px no-repeat,
    linear-gradient(var(--c-primary),var(--c-primary)) center/2px 14px no-repeat;
  transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--c-accent);}
.faq-body{padding:0 18px 22px;color:var(--text-2);font-size:15px;max-width:70ch;}

/* ---------- 栏目通道 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.channel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .22s ease,transform .22s ease;
}
.channel-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.channel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.channel-card:hover img{transform:scale(1.03);}
.channel-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.channel-body h3{font-size:17px;}
.channel-body p{font-size:14px;color:var(--text-2);}
.channel-body .link-cta{margin-top:auto;}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .22s ease,transform .22s ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.news-cover{display:block;overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.badge{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  background:rgba(20,52,43,.08);color:var(--c-primary-l);
  font-size:12px;font-weight:700;border-radius:var(--r-badge);
}
.news-title{font-size:16.5px;line-height:1.5;}
.news-title a{color:var(--text);}
.news-title a:hover{color:var(--c-accent);}
.news-sum{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.news-date{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;}
.news-more{font-size:13px;font-weight:700;color:var(--c-primary);}
.empty-state{
  grid-column:1/-1;border:2px dashed rgba(20,52,43,.3);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.5);
}
.empty-state p{color:var(--text-2);font-size:15px;}
.empty-state .link-cta{margin-top:16px;}
.skeleton{background:linear-gradient(90deg,rgba(20,52,43,.06),rgba(20,52,43,.12),rgba(20,52,43,.06));border-radius:var(--r-badge);}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start;}
.contact-info li{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;}
.contact-info li strong{display:block;font-size:14px;color:var(--text);}
.contact-info li span{color:var(--text-2);font-size:14px;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:34px;box-shadow:var(--sh-1);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:700;}
.field input,.field textarea,.field select{
  height:48px;padding:0 14px;background:var(--bg);
  border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:130px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,52,43,.16);background:var(--surface);
}
.field .hint{font-size:12.5px;color:var(--text-2);}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-tip{font-size:13px;color:var(--text-2);}
.field.error input,.field.error textarea{border-color:var(--err);}
.field .err-msg{font-size:12.5px;color:var(--err);display:none;}
.field.error .err-msg{display:block;}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-primary-d);color:#E9E4D9;padding:72px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark::before,.foot-brand .brand-mark::after{background:#E9E4D9;}
.foot-brand span{font-size:17px;font-weight:800;color:#F6F3ED;}
.footer p{font-size:14px;color:rgba(233,228,217,.72);max-width:34ch;}
.foot-col h4{font-size:15px;color:#F6F3ED;margin-bottom:16px;}
.foot-col li{margin-bottom:10px;}
.foot-col a{font-size:14px;color:rgba(233,228,217,.74);}
.foot-col a:hover{color:var(--c-gold);}
.foot-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(233,228,217,.16);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(233,228,217,.62);
}
.foot-bottom a{color:rgba(233,228,217,.72);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 22px;
  background:var(--c-primary);color:#F6F3ED;border:1px solid var(--c-accent);
  border-radius:var(--r-pill);font-size:14px;font-weight:700;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background .18s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--c-accent);color:#F6F3ED;}

/* ---------- 抽屉（移动端） ---------- */
.drawer{display:none;}
@media (max-width:1024px){
  :root{--sec:80px;}
  .dock{max-width:none;padding:0 10px 0 16px;gap:12px;}
  .dock-menu,.dock-actions .icon-btn,.dock-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding-top:132px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:-1;}
  .bento{grid-template-columns:1fr;}
  .bento-main{grid-row:auto;}
  #demo .steps{grid-template-columns:repeat(2,1fr);}
  .proof-stats{grid-template-columns:repeat(2,1fr);}
  .proof-grid{grid-template-columns:repeat(3,1fr);}
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .price-card.is-featured{padding:38px 28px;}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;gap:40px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .drawer{
    display:flex;position:fixed;inset:0;z-index:90;
    background:var(--bg);flex-direction:column;padding:104px 24px 32px;
    opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
  }
  body.drawer-open .drawer{opacity:1;visibility:visible;}
  .drawer-close{
    position:absolute;top:26px;right:24px;width:44px;height:44px;
    background:transparent;border:1px solid var(--line);border-radius:var(--r-pill);
    display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--c-primary);
  }
  .drawer a.drawer-link{
    display:block;padding:18px 4px;font-size:19px;font-weight:700;color:var(--text);
    border-bottom:1px solid var(--line);
    opacity:0;transform:translateY(8px);
    transition:opacity .28s ease,transform .28s ease,color .18s ease;
  }
  body.drawer-open .drawer a.drawer-link{opacity:1;transform:translateY(0);}
  .drawer a.drawer-link:nth-child(2){transition-delay:.04s;}
  .drawer a.drawer-link:nth-child(3){transition-delay:.08s;}
  .drawer a.drawer-link:nth-child(4){transition-delay:.12s;}
  .drawer a.drawer-link:nth-child(5){transition-delay:.16s;}
  .drawer .btn{margin-top:28px;}
}
@media (max-width:768px){
  :root{--pad:18px;--sec:64px;}
  html{scroll-padding-top:96px;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom) + 16px);}
  .hero{padding-top:120px;padding-bottom:64px;}
  .hero-stats{grid-template-columns:1fr;gap:1px;}
  .hero-badge{width:72px;height:72px;right:0;bottom:-8px;}
  .hero-badge .n{font-size:22px;}
  #demo .steps{grid-template-columns:1fr;border-top:none;}
  .step{border-top:1px solid var(--line);padding-right:0;}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .form-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .faq-item summary{font-size:15.5px;padding:14px 4px;}
  .faq-body{padding:0 4px 20px;}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;border:none;
    justify-content:center;padding:0 18px calc(env(safe-area-inset-bottom));width:100%;
  }
}
@media (max-width:480px){
  .hero-title{font-size:28px;}
  .sec-title{font-size:23px;}
  .bento-card{padding:24px;}
  .bento-card::before{left:24px;top:16px;}
  .form-card{padding:24px 20px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .hero-cta .btn{width:100%;}
  .news-foot .link-cta{width:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#14342B;
  --brand-dark:#0B211B;
  --brand-light:#1F4A3C;
  --accent:#C9603A;
  --accent-dark:#AD4E2C;
  --gold:#E4A93C;
  --bg:#F6F3ED;
  --bg-alt:#EDE8DF;
  --card:#FFFFFF;
  --text:#1B1B19;
  --muted:#6B6A63;
  --line:#DCD5C8;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#A93B2E;
  --r-card:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,33,27,.06),0 10px 24px rgba(11,33,27,.06);
  --sh-2:0 16px 36px rgba(11,33,27,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:96px;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-weight:800}

/* ===== Dock 导航 ===== */
.dock-wrap{position:fixed;top:20px;left:0;right:0;z-index:90;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;width:100%;max-width:1200px;height:64px;
  display:flex;align-items:center;gap:18px;padding:0 14px 0 18px;
  background:rgba(246,243,237,.74);
  border:1px solid rgba(220,213,200,.9);
  border-radius:var(--r-pill);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.dock-wrap.is-scrolled .dock{background:rgba(246,243,237,.93);box-shadow:var(--sh-1);border-color:rgba(220,213,200,.6)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{position:relative;width:24px;height:24px;flex:0 0 24px;display:inline-block}
.brand-mark::before{content:"";position:absolute;left:0;top:0;width:15px;height:15px;border-top:2px solid var(--accent);border-left:2px solid var(--accent)}
.brand-mark::after{content:"";position:absolute;right:0;bottom:0;width:15px;height:15px;border-bottom:2px solid var(--brand);border-right:2px solid var(--brand)}
.brand-text{display:block;font-size:16px;font-weight:800;line-height:1.15;letter-spacing:-.01em}
.brand-sub{display:block;font-size:11px;color:var(--muted);line-height:1.3}
.dock-menu{flex:1;display:flex;justify-content:center;gap:2px}
.dock-menu a{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-pill);font-size:14px;color:#3C3B35;transition:background .2s var(--ease),color .2s var(--ease)}
.dock-menu a:hover{background:rgba(20,52,43,.07);color:var(--brand)}
.dock-menu a.active{background:var(--brand);color:#F6F3ED}
.dock-menu a.active:hover{background:var(--brand-light);color:#F6F3ED}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;border-radius:var(--r-pill);background:transparent;cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:rgba(20,52,43,.07);border-color:rgba(20,52,43,.12)}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(20,52,43,.16);border-radius:var(--r-pill);background:transparent;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--brand);border-radius:2px;transform:translateX(-50%);transition:.25s var(--ease)}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:8px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand);color:#F6F3ED}
.btn-primary:hover{background:var(--accent);color:#FFF7F2;transform:translateY(-1px)}
.btn-primary:active{background:var(--accent-dark);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(20,52,43,.06);color:var(--brand-light)}
.btn-light{background:#F6F3ED;color:var(--brand-dark)}
.btn-light:hover{background:#fff;color:var(--brand);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#F6F3ED;border-color:rgba(246,243,237,.55)}
.btn-outline-light:hover{background:rgba(246,243,237,.12);color:#fff}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);border-bottom:2px solid rgba(20,52,43,.25);padding-bottom:2px}
.link-more:hover{border-color:var(--accent);color:var(--accent)}
.link-more .arw{transition:transform .22s var(--ease)}
.link-more:hover .arw{transform:translateX(2px)}

/* ===== 内页 Hero ===== */
.page-hero{
  position:relative;padding:170px 0 84px;color:#F6F3ED;
  background-image:linear-gradient(115deg,rgba(11,33,27,.94) 0%,rgba(20,52,43,.78) 62%,rgba(20,52,43,.62) 100%),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:linear-gradient(rgba(246,243,237,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(246,243,237,.35) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,237,.72);margin-bottom:18px}
.crumb a{color:rgba(246,243,237,.86)}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.5}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;margin-bottom:18px;
  border:1px solid rgba(228,169,60,.55);border-radius:6px;background:rgba(228,169,60,.12);
  font-size:12px;font-weight:700;letter-spacing:.04em;color:#F0C878;
}
.page-hero h1{font-size:clamp(30px,5vw,52px);max-width:900px}
.page-hero .lead{margin-top:20px;max-width:720px;font-size:17px;line-height:1.9;color:rgba(246,243,237,.86)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(246,243,237,.2)}
.hero-meta div{min-width:120px}
.hero-meta b{display:block;font-size:26px;font-variant-numeric:tabular-nums;color:#fff}
.hero-meta small{font-size:13px;color:rgba(246,243,237,.7)}

/* ===== 通用板块 ===== */
.section{padding:96px 0}
.section.alt{background:var(--bg-alt)}
.section-head{max-width:780px;margin-bottom:52px}
.section-head .eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.section-head h2{font-size:clamp(24px,3.4vw,36px)}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px}
.mark{
  position:relative;padding-left:20px;
}
.mark::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-top:2px solid var(--accent);border-left:2px solid var(--accent)}

/* ===== 图文左右交替 ===== */
.feature-row{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;padding:44px 0;border-bottom:1px dashed var(--line)}
.feature-row:last-child{border-bottom:0;padding-bottom:0}
.feature-row:first-child{padding-top:0}
.feature-row.reverse .feature-media{order:2}
.feature-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.feature-media img{width:100%;aspect-ratio:16/11}
.feature-media .fig-no{
  position:absolute;left:0;bottom:0;width:80px;height:80px;display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#F6F3ED;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  border-top-right-radius:var(--r-card);
}
.feature-body .step-label{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent)}
.feature-body h3{margin-top:10px;font-size:22px}
.feature-body p{margin-top:14px;color:var(--muted)}
.tick-list{margin-top:20px;display:grid;gap:10px}
.tick-list li{position:relative;padding-left:24px;font-size:15px;color:#3C3B35}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg);
}

/* ===== 参数 / 要点清单 ===== */
.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.spec-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--sh-1);transition:box-shadow .25s var(--ease),transform .25s var(--ease)}
.spec-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.spec-card h3{font-size:19px;display:flex;align-items:center;gap:10px}
.spec-card h3 i{width:8px;height:8px;background:var(--accent);display:inline-block;border-radius:2px;font-style:normal}
.spec-card dl{margin:18px 0 0;display:grid;gap:12px}
.spec-card dt{font-size:14px;color:var(--muted)}
.spec-card dd{margin:2px 0 0;font-size:15px;font-weight:700;color:var(--text)}

/* ===== 自查清单列表 ===== */
.check-list{display:grid;gap:14px;max-width:920px}
.check-list li{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.check-list li:hover{border-color:rgba(20,52,43,.35);box-shadow:var(--sh-2)}
.check-list .idx{
  flex:0 0 34px;height:34px;display:flex;align-items:center;justify-content:center;
  border-radius:8px;background:rgba(20,52,43,.08);color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums;font-size:14px;
}
.check-list h4{font-size:16px}
.check-list p{font-size:14.5px;color:var(--muted);margin-top:6px}

/* ===== 数据条 ===== */
.stat-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:14px}
.stat-band .stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1)}
.stat b{display:block;font-size:32px;color:var(--brand);font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--muted)}
.stat .bar{height:3px;width:44px;background:var(--gold);margin-top:16px;border-radius:2px}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:18px 24px;cursor:pointer;font-size:16.5px;font-weight:700;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--accent);transition:transform .25s var(--ease)}
.faq-item[open]{border-left:3px solid var(--brand)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 24px 22px;color:var(--muted);font-size:15.5px}

/* ===== CTA 条 ===== */
.cta-band{
  background:linear-gradient(120deg,var(--brand-dark),var(--brand-light));
  color:#F6F3ED;border-radius:16px;padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(22px,3vw,30px);max-width:620px}
.cta-band p{margin-top:12px;color:rgba(246,243,237,.82);max-width:600px;font-size:15.5px}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;
  background:var(--brand);color:#F6F3ED;font-weight:700;font-size:15px;border-radius:var(--r-pill);
  border:1px solid var(--accent);box-shadow:var(--sh-2);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease),background .25s var(--ease);
}
.float-cta.is-on{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--accent);color:#FFF7F2}

/* ===== 页脚 ===== */
.footer{background:var(--brand-dark);color:#F6F3ED;padding:72px 0 28px;margin-top:96px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:16px}
.foot-brand .brand-mark::after{border-color:#F6F3ED}
.foot-col p{color:rgba(246,243,237,.7);font-size:14.5px;max-width:340px}
.foot-col h4{font-size:15px;margin-bottom:16px}
.foot-col ul{display:grid;gap:10px}
.foot-col a{color:rgba(246,243,237,.76);font-size:14.5px}
.foot-col a:hover{color:#F0C878}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(246,243,237,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(246,243,237,.6);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .dock-menu{
    position:fixed;left:16px;right:16px;top:92px;flex-direction:column;gap:6px;padding:18px;
    background:var(--bg);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-2);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  .dock-wrap.menu-open .dock-menu{opacity:1;visibility:visible;transform:translateY(0)}
  .dock-menu a{height:50px;justify-content:flex-start;padding:0 16px;font-size:15px;opacity:0;transform:translateY(-6px)}
  .dock-wrap.menu-open .dock-menu a{animation:itemIn .32s var(--ease) forwards}
  .dock-wrap.menu-open .dock-menu li:nth-child(1) a{animation-delay:40ms}
  .dock-wrap.menu-open .dock-menu li:nth-child(2) a{animation-delay:80ms}
  .dock-wrap.menu-open .dock-menu li:nth-child(3) a{animation-delay:120ms}
  .dock-wrap.menu-open .dock-menu li:nth-child(4) a{animation-delay:160ms}
  .dock-wrap.menu-open .dock-menu li:nth-child(5) a{animation-delay:200ms}
  .nav-toggle{display:inline-block}
  .dock .btn-sm{display:none}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row.reverse .feature-media{order:0}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@keyframes itemIn{to{opacity:1;transform:translateY(0)}}
@media (max-width:768px){
  .container{padding:0 18px}
  .page-hero{padding:140px 0 64px}
  .section{padding:64px 0}
  .dock{height:56px;padding:0 12px}
  .brand-sub{display:none}
  .spec-grid{grid-template-columns:1fr}
  .hero-meta{gap:24px}
  .hero-meta b{font-size:22px}
  .feature-media img{aspect-ratio:4/3}
  .cta-band{padding:36px 24px}
  .footer{padding:56px 0 24px;margin-top:64px}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:center;
    border:0;border-top:1px solid var(--accent);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .stat-band{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .page-hero h1{font-size:30px}
}

/* roulang page: article */
:root{
  --primary:#14342B;
  --primary-dark:#0B211B;
  --primary-light:#1F4A3C;
  --accent:#C9603A;
  --accent-dark:#AD4E2C;
  --accent-soft:#E4A93C;
  --paper:#F6F3ED;
  --paper-alt:#EDE8DF;
  --card:#FFFFFF;
  --text:#1B1B19;
  --text-soft:#6B6A63;
  --line:#DCD5C8;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#A93B2E;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-img:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(11,33,27,.06), 0 10px 24px rgba(11,33,27,.06);
  --shadow-2:0 16px 36px rgba(11,33,27,.12);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-bottom:96px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:700;letter-spacing:-0.01em;line-height:1.28;margin:0;color:var(--text);}
p{margin:0 0 16px;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-weight:700;font-variant-numeric:tabular-nums;}
.grid-lines{
  background-image:linear-gradient(to right,rgba(20,52,43,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(20,52,43,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary-light);text-transform:none;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);display:inline-block;}

/* 导航 */
.dock-wrap{
  position:fixed;top:20px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 24px;pointer-events:none;
}
.dock{
  pointer-events:auto;position:relative;
  display:flex;align-items:center;gap:20px;
  width:100%;max-width:var(--container);height:64px;
  padding:0 14px 0 20px;
  background:rgba(246,243,237,.74);
  border:1px solid rgba(220,213,200,.9);
  border-radius:999px;
  box-shadow:0 1px 2px rgba(11,33,27,.05), 0 10px 24px rgba(11,33,27,.06);
  backdrop-filter:blur(10px);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.dock.is-scrolled{
  background:rgba(246,243,237,.94);
  box-shadow:0 2px 4px rgba(11,33,27,.06), 0 16px 36px rgba(11,33,27,.12);
  border-color:rgba(220,213,200,.6);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{position:relative;width:24px;height:24px;flex:0 0 24px;display:inline-block;}
.brand-mark::before{
  content:"";position:absolute;left:0;top:0;width:13px;height:13px;
  border-left:2px solid var(--accent);border-top:2px solid var(--accent);
}
.brand-mark::after{
  content:"";position:absolute;right:0;bottom:0;width:13px;height:13px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
}
.brand-text{display:block;font-size:17px;font-weight:800;letter-spacing:-0.01em;line-height:1.15;}
.brand-sub{display:block;font-size:11px;color:var(--text-soft);letter-spacing:.04em;line-height:1.4;}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-menu a{
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-soft);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.dock-menu a:hover{background:rgba(20,52,43,.07);color:var(--primary);}
.dock-menu a.active{background:var(--primary);color:var(--paper);font-weight:600;}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.dock-menu + .dock-actions{margin-left:0;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:transparent;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,border-color .18s ease;
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;}
.icon-btn:hover{background:rgba(20,52,43,.06);border-color:var(--primary);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:transparent;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--primary);
  border-radius:2px;transform:translateX(-50%);transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none;}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:var(--paper);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:rgba(20,52,43,.06);color:var(--primary);}
.btn-light{background:var(--paper);color:var(--primary);}
.btn-light:hover{background:#fff;color:var(--accent-dark);transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;
  border-bottom:2px solid rgba(201,96,58,.35);padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--accent);}
.link-more::after{content:"→";transition:transform .2s ease;}
.link-more:hover::after{transform:translateX(2px);}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--radius-badge);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(20,52,43,.08);color:var(--primary-light);
}
.badge-accent{background:rgba(201,96,58,.14);color:var(--accent-dark);}
.badge-soft{background:rgba(228,169,60,.18);color:#8A6417;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:var(--card);
  font-size:13.5px;color:var(--text-soft);transition:.2s ease;
}
.tag:hover{border-color:var(--accent);color:var(--accent-dark);transform:translateY(-1px);}

/* 文章头部 */
.article-hero{
  padding:150px 0 52px;
  background-image:linear-gradient(180deg,rgba(246,243,237,.95),rgba(246,243,237,.99)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-soft);margin-bottom:22px;}
.crumb a{color:var(--text-soft);}
.crumb a:hover{color:var(--accent);}
.crumb span.sep{color:var(--line);}
.crumb .current{color:var(--text);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{font-size:clamp(28px,4vw,44px);margin:14px 0 20px;max-width:920px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--text-soft);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-meta b{color:var(--primary);font-variant-numeric:tabular-nums;}

/* 文章布局 */
.article-main{padding:64px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:48px;align-items:start;}
.article-col{min-width:0;}
.article-body{
  max-width:780px;font-size:17px;line-height:1.95;color:var(--text);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(21px,2.4vw,27px);margin:44px 0 16px;
  padding-left:14px;border-left:4px solid var(--accent);
}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--primary-light);}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul li{list-style:disc;margin-bottom:8px;}
.article-body ol li{list-style:decimal;margin-bottom:8px;}
.article-body li::marker{color:var(--accent);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  background:var(--paper-alt);border-radius:var(--radius-btn);
  color:var(--primary-dark);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body figure{margin:28px 0;}
.article-body figure img{margin:0 auto;border-radius:var(--radius-img);}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--text-soft);text-align:center;}
.article-body img{border-radius:var(--radius-img);height:auto;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:26px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--card);
}
.article-body table th,.article-body table td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;
}
.article-body table thead th{background:var(--paper-alt);color:var(--primary-dark);font-weight:700;}
.article-body table tbody tr:nth-child(even){background:rgba(237,232,223,.5);}
.article-body pre{
  margin:24px 0;padding:18px 20px;overflow-x:auto;
  background:var(--primary-dark);color:#EDE8DF;border-radius:var(--radius-img);
  font-size:14px;line-height:1.7;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.article-body a{border-bottom:1px solid rgba(201,96,58,.4);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* 目录 */
.toc-aside{position:sticky;top:112px;}
.toc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 18px;box-shadow:var(--shadow-1);
}
.toc-card h3{font-size:14px;letter-spacing:.06em;color:var(--text-soft);margin-bottom:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow:auto;}
.toc-link{
  display:block;padding:7px 10px;border-radius:6px;
  font-size:13.5px;color:var(--text-soft);line-height:1.5;
  border-left:2px solid transparent;
}
.toc-link:hover{background:rgba(20,52,43,.06);color:var(--primary);}
.toc-link.toc-lv3{padding-left:22px;font-size:13px;}
.toc-link.is-current{color:var(--accent-dark);border-left-color:var(--accent);background:rgba(201,96,58,.08);}
.toc-empty-note{font-size:13px;color:var(--text-soft);}
.toc-mobile{display:none;margin-bottom:24px;}
.toc-mobile-btn{
  width:100%;height:48px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--card);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;font-size:14.5px;font-weight:600;color:var(--primary);
}
.toc-mobile-btn i{font-style:normal;transition:transform .22s ease;}
.toc-mobile.is-open .toc-mobile-btn i{transform:rotate(180deg);}
.toc-mobile-panel{display:none;margin-top:10px;padding:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);}
.toc-mobile.is-open .toc-mobile-panel{display:block;}

/* 文章底部 */
.article-tags{
  max-width:780px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
}
.article-tags h3{font-size:14px;color:var(--text-soft);margin-bottom:14px;letter-spacing:.06em;}
.pager{
  max-width:780px;margin-top:34px;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.pager a{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager a:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(201,96,58,.5);}
.pager span{font-size:12.5px;color:var(--text-soft);letter-spacing:.06em;}
.pager strong{font-size:15px;color:var(--text);font-weight:700;}
.pager .next{text-align:right;align-items:flex-end;}
.article-empty{
  max-width:780px;padding:52px 32px;text-align:center;
  background:var(--card);border:1px dashed var(--primary);border-radius:var(--radius-card);
}
.article-empty h2{font-size:22px;margin-bottom:12px;}
.article-empty p{color:var(--text-soft);margin-bottom:22px;}
.return-row{max-width:780px;margin-top:26px;}

/* 相关推荐 */
.related{padding:0 0 88px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.related-head h2{font-size:clamp(22px,2.8vw,30px);}
.related-head p{color:var(--text-soft);font-size:14.5px;margin:8px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(20,52,43,.22);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-alt);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-cover .badge{position:absolute;left:12px;top:12px;background:rgba(246,243,237,.94);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{
  font-size:14px;color:var(--text-soft);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px;font-size:13px;color:var(--text-soft);}
.card-foot .go{font-weight:700;color:var(--accent-dark);}

/* CTA 条 */
.cta-band{
  background:var(--primary-dark);color:var(--paper);
  border-radius:16px;padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  margin:0 0 88px;
}
.cta-band h2{color:var(--paper);font-size:clamp(22px,2.8vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(246,243,237,.78);margin:0;max-width:620px;font-size:15px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 24px;border-radius:999px;
  background:var(--primary);color:var(--paper);
  border:1px solid var(--accent);
  font-size:15px;font-weight:600;box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,background .2s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--accent);color:#fff;}

/* 页脚 */
.footer{background:var(--primary-dark);color:var(--paper);padding:72px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:16px;}
.foot-brand .brand-mark::before{border-color:var(--accent-soft);}
.foot-brand .brand-mark::after{border-color:var(--paper);}
.foot-col p{color:rgba(246,243,237,.72);font-size:14.5px;line-height:1.9;margin:0;max-width:380px;}
.foot-col h4{color:var(--paper);font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{color:rgba(246,243,237,.74);font-size:14.5px;}
.foot-col a:hover{color:var(--accent-soft);}
.foot-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(246,243,237,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:rgba(246,243,237,.6);
}

@media (max-width:1024px){
  .dock-menu{display:none;}
  .dock.is-open .dock-menu{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:74px;left:0;right:0;
    background:var(--paper);border:1px solid var(--line);border-radius:18px;
    padding:12px;box-shadow:var(--shadow-2);
  }
  .dock.is-open .dock-menu a{height:46px;padding:0 16px;border-radius:12px;font-size:15px;}
  .dock.is-open ~ .dock-actions{margin-left:0;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .dock-actions .icon-btn{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc-aside{display:none;}
  .toc-mobile{display:block;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  body{padding-bottom:104px;}
  .container{padding:0 18px;}
  .dock-wrap{top:12px;padding:0 14px;}
  .dock{height:56px;padding:0 10px 0 14px;gap:12px;}
  .brand-text{font-size:16px;}
  .brand-sub{display:none;}
  .dock-actions .btn-primary{display:none;}
  .article-hero{padding:118px 0 40px;}
  .article-main{padding:44px 0 64px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .pager{grid-template-columns:1fr;}
  .pager .next{text-align:left;align-items:flex-start;}
  .related{padding-bottom:64px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;margin-bottom:64px;}
  .footer{padding-top:56px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    right:0;left:0;bottom:0;height:56px;border-radius:0;justify-content:center;
    border:none;border-top:1px solid var(--accent);
    padding:0 18px calc(0px + env(safe-area-inset-bottom,0px));
    transform:translateY(100%);opacity:1;visibility:visible;
  }
  .float-cta.is-show{transform:translateY(0);}
}
@media (max-width:520px){
  .article-title{font-size:26px;}
  .article-meta{gap:8px 14px;font-size:13px;}
  .crumb .current{max-width:220px;}
  .related-head{flex-direction:column;align-items:flex-start;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink:#14342B;
  --ink-deep:#0B211B;
  --ink-light:#1F4A3C;
  --accent:#C9603A;
  --accent-dark:#AD4E2C;
  --gold:#E4A93C;
  --bg:#F6F3ED;
  --bg-alt:#EDE8DF;
  --card:#FFFFFF;
  --text:#1B1B19;
  --muted:#6B6A63;
  --line:#DCD5C8;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#A93B2E;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(11,33,27,.06), 0 10px 24px rgba(11,33,27,.06);
  --sh-2:0 16px 36px rgba(11,33,27,.12);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.28;color:var(--ink-deep)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
::selection{background:rgba(201,96,58,.22)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:20px;left:0;right:0;z-index:120;padding:0 24px;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1240px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 12px 0 20px;
  background:rgba(246,243,237,.82);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 1px 2px rgba(11,33,27,.05);
  transition:box-shadow .25s ease,background .25s ease;
}
.dock.scrolled{background:rgba(246,243,237,.94);box-shadow:0 12px 32px rgba(11,33,27,.14)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{position:relative;width:24px;height:24px;flex:0 0 24px}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;background:var(--ink)}
.brand-mark::before{left:2px;top:0;width:3px;height:24px}
.brand-mark::after{left:2px;top:0;width:22px;height:3px}
.brand-text{display:block;font-size:17px;font-weight:800;letter-spacing:-.01em;line-height:1.15;color:var(--ink-deep)}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.04em;line-height:1.3}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-menu a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
  font-size:14px;color:#3B4A43;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.dock-menu a:hover{background:rgba(20,52,43,.07);color:var(--ink)}
.dock-menu a.active{background:var(--ink);color:#F6F3ED;font-weight:600}
.dock-menu a.active:hover{background:var(--ink)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:transparent;
  display:grid;place-items:center;cursor:pointer;color:var(--ink);
  transition:background .2s ease,border-color .2s ease;
}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.icon-btn:hover{background:rgba(20,52,43,.06);border-color:#C6BDAC}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:transparent;cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);
  transform:translateX(-50%);transition:transform .22s ease,opacity .22s ease;content:"";
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--ink);color:#F6F3ED}
.btn-primary:hover{background:var(--accent);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(20,52,43,.06)}
.btn-light{background:#F6F3ED;color:var(--ink)}
.btn-light:hover{background:var(--gold);color:var(--ink-deep);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);
  border-bottom:2px solid rgba(201,96,58,.55);padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-cta span{transition:transform .2s ease}
.link-cta:hover{border-color:var(--accent);color:var(--accent-dark)}
.link-cta:hover span{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
main{padding-top:132px}
section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(20,52,43,.08);color:var(--ink);
}
.badge-accent{background:rgba(201,96,58,.12);color:var(--accent-dark)}
.badge-gold{background:rgba(228,169,60,.18);color:#8A6111}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 面包屑 ---------- */
.crumb{padding:0 0 28px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B9B2A4}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--ink)}
.crumb [aria-current="page"]{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;padding:36px 0 96px}
.hero::before{
  content:"";position:absolute;inset:0 0 auto 0;height:520px;pointer-events:none;
  background-image:linear-gradient(to right,rgba(20,52,43,.055) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(20,52,43,.055) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,54px);font-weight:800;margin-bottom:20px}
.hero-lead{font-size:16px;color:var(--muted);max-width:56ch;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
}
.hero-stats strong{display:block;font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-stats span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/10;border-radius:var(--r-card);box-shadow:var(--sh-1)}
.hero-tag{
  position:absolute;right:-10px;bottom:-10px;width:88px;height:88px;border-radius:var(--r-card);
  background:var(--ink);color:#F6F3ED;display:grid;place-content:center;text-align:center;
  box-shadow:var(--sh-2);
}
.hero-tag strong{display:block;font-size:22px;font-variant-numeric:tabular-nums}
.hero-tag span{display:block;font-size:11px;opacity:.78;letter-spacing:.04em}

/* ---------- 参数清单 ---------- */
.spec-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
.spec-row{
  display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:baseline;
  padding:18px 0;border-top:1px solid var(--line);
}
.spec-row:last-child{border-bottom:1px solid var(--line)}
.spec-row dt{font-size:14px;font-weight:700;color:var(--ink)}
.spec-row dd{font-size:15px;color:var(--muted)}
.spec-row dd b{color:var(--text);font-weight:600}
.spec-note{margin-top:28px;font-size:14px;color:var(--muted)}

/* ---------- 步骤卡（两列） ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-card .mark{
  position:absolute;left:0;top:0;width:8px;height:8px;
  border-left:2px solid var(--accent);border-top:2px solid var(--accent);
  border-radius:2px 0 0 0;
}
.step-num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.12em;font-variant-numeric:tabular-nums}
.step-card h3{font-size:20px;margin:10px 0 10px}
.step-card p{font-size:15px;color:var(--muted);margin-bottom:16px}
.step-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text);line-height:1.8}
.step-list li+li{margin-top:6px}
.step-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--ink-light)}

/* ---------- 图文块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split figure img{width:100%;aspect-ratio:16/9;border-radius:var(--r-img);box-shadow:var(--sh-1)}
.split figcaption{font-size:13px;color:var(--muted);margin-top:12px}
.split h2{font-size:clamp(24px,3.4vw,36px);margin-bottom:16px}
.split p{color:var(--muted);margin-bottom:16px}
.check-list li{position:relative;padding-left:24px;font-size:15px;margin-bottom:10px}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg);
}

/* ---------- 问题 / 处理 两列清单 ---------- */
.pair-list{border-top:1px solid var(--line)}
.pair{display:grid;grid-template-columns:1fr 1.35fr;gap:32px;padding:24px 0;border-bottom:1px solid var(--line)}
.pair h3{font-size:17px;display:flex;align-items:center;gap:10px}
.pair h3 i{
  font-style:normal;width:8px;height:8px;border-radius:2px;background:var(--accent);flex:0 0 8px;
}
.pair p{font-size:15px;color:var(--muted)}
.pair p b{color:var(--ink);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;
}
.faq-item.open{border-left:3px solid var(--ink)}
.faq-q{
  width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink-deep);
}
.faq-q:hover{background:rgba(20,52,43,.03)}
.faq-q .ico{
  position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .25s ease;
}
.faq-q .ico::before,.faq-q .ico::after{
  content:"";position:absolute;background:var(--ink);border-radius:1px;
}
.faq-q .ico::before{left:9px;top:0;width:2px;height:20px}
.faq-q .ico::after{left:0;top:9px;width:20px;height:2px}
.faq-item.open .faq-q .ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--muted)}
.faq-item.open .faq-a{max-height:320px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink-deep);color:#F2EEE6;border-radius:16px;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band h2{color:#F6F3ED;font-size:clamp(24px,3.4vw,36px);margin-bottom:12px}
.cta-band p{color:rgba(242,238,230,.72);font-size:15px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
.cta-band .btn-ghost{border-color:rgba(242,238,230,.6);color:#F2EEE6}
.cta-band .btn-ghost:hover{background:rgba(242,238,230,.12)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:110;
  display:inline-flex;align-items:center;gap:8px;height:52px;padding:0 24px;
  border-radius:999px;background:var(--ink);color:#F6F3ED;font-weight:600;font-size:15px;
  border:1px solid var(--accent);box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,background .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--accent-dark)}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-deep);color:#F2EEE6;margin-top:96px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark::before,.foot-brand .brand-mark::after{background:#F2EEE6}
.foot-brand span:last-child{font-size:17px;font-weight:800;color:#F6F3ED}
.foot-col p{font-size:14px;color:rgba(242,238,230,.66);max-width:34ch}
.foot-col h4{font-size:15px;color:#F6F3ED;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:14px;color:rgba(242,238,230,.72);transition:color .2s ease}
.foot-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 30px;border-top:1px solid rgba(242,238,230,.14);
  font-size:13px;color:rgba(242,238,230,.6);
}
.footer :focus-visible{outline-color:#F2EEE6}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .dock-menu a{padding:0 11px;font-size:13.5px}
}
@media (max-width:1024px){
  .dock{height:60px;padding:0 10px 0 16px}
  .dock-menu{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:-1;
    flex-direction:column;justify-content:center;align-items:stretch;gap:6px;
    margin:0;padding:110px 24px 48px;background:var(--bg);
    opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s;
  }
  .dock-menu.open{opacity:1;visibility:visible;z-index:40}
  .dock-menu li{opacity:0;transform:translateY(8px)}
  .dock-menu.open li{animation:menuIn .3s ease forwards}
  .dock-menu.open li:nth-child(1){animation-delay:0ms}
  .dock-menu.open li:nth-child(2){animation-delay:40ms}
  .dock-menu.open li:nth-child(3){animation-delay:80ms}
  .dock-menu.open li:nth-child(4){animation-delay:120ms}
  .dock-menu.open li:nth-child(5){animation-delay:160ms}
  .dock-menu a{height:54px;font-size:16px;padding:0 18px;border-radius:12px}
  .nav-toggle{display:block}
  .icon-btn{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .spec-wrap{grid-template-columns:1fr;gap:0}
  .split{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@keyframes menuIn{to{opacity:1;transform:translateY(0)}}
@media (max-width:768px){
  body{padding-bottom:76px}
  .container{padding:0 18px}
  main{padding-top:112px}
  section{padding:64px 0}
  .dock-wrap{top:14px;padding:0 14px}
  .hero{padding:16px 0 64px}
  .hero-stats{grid-template-columns:1fr;gap:16px}
  .steps-grid{grid-template-columns:1fr;gap:18px}
  .pair{grid-template-columns:1fr;gap:10px;padding:20px 0}
  .spec-row{grid-template-columns:1fr;gap:6px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:center;
    border-left:0;border-right:0;border-bottom:0;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .hero-tag{width:74px;height:74px;right:-6px;bottom:-6px}
  .hero-tag strong{font-size:19px}
}
@media (max-width:520px){
  .hero h1{font-size:29px}
  .section-head{margin-bottom:32px}
  .step-card{padding:24px 20px}
  .faq-q{font-size:15px;padding:16px 16px}
  .faq-a p{padding:0 16px 18px}
  .foot-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category3 */
:root{
  --ink:#14342B;
  --ink-deep:#0B211B;
  --ink-light:#1F4A3C;
  --clay:#C9603A;
  --clay-dark:#AD4E2C;
  --amber:#E4A93C;
  --paper:#F6F3ED;
  --paper-alt:#EDE8DF;
  --card:#FFFFFF;
  --text:#1B1B19;
  --muted:#6B6A63;
  --line:#DCD5C8;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#A93B2E;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-img:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(11,33,27,.06),0 10px 24px rgba(11,33,27,.06);
  --shadow-2:0 16px 36px rgba(11,33,27,.12);
  --pad-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  padding-bottom:96px;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--ink);text-decoration:none}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--ink-deep);margin:0}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--pad-section) 0}
.section-alt{background:var(--paper-alt)}
.section-dark{background:var(--ink-deep);color:var(--paper)}
.section-dark h2,.section-dark h3{color:var(--paper)}
.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}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:20px;left:0;right:0;z-index:120;
  display:flex;justify-content:center;padding:0 24px;pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;max-width:1240px;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 18px;
  background:rgba(246,243,237,.78);
  border:1px solid rgba(220,213,200,.9);
  border-radius:999px;
  box-shadow:var(--shadow-1);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background .25s ease,box-shadow .25s ease;
}
.dock-wrap.is-scrolled .dock{
  background:rgba(246,243,237,.94);
  box-shadow:var(--shadow-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink-deep)}
.brand-mark{position:relative;width:24px;height:24px;flex:none;display:block}
.brand-mark::before{content:"";position:absolute;left:0;top:0;width:14px;height:14px;border-left:3px solid var(--ink);border-top:3px solid var(--ink)}
.brand-mark::after{content:"";position:absolute;right:0;bottom:0;width:14px;height:14px;border-right:3px solid var(--clay);border-bottom:3px solid var(--clay)}
.brand-text{display:block;font-size:17px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.3}
.dock-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0 auto;padding:0}
.dock-menu a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
  font-size:15px;color:var(--text);transition:background .2s ease,color .2s ease;
}
.dock-menu a:hover{background:rgba(20,52,43,.07)}
.dock-menu a.active{background:var(--ink);color:var(--paper)}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;border-radius:999px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.icon-btn svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:1.8;stroke-linecap:round}
.icon-btn:hover{background:rgba(20,52,43,.07)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:999px;
  background:transparent;cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:16px;height:2px;background:var(--ink);border-radius:2px;transform:translateX(-50%);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:110;display:none;flex-direction:column;gap:6px;
  padding:104px 24px 40px;background:rgba(246,243,237,.985);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.drawer.is-open{display:flex}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 18px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--card);font-size:16px;font-weight:600;
  opacity:0;transform:translateY(8px);animation:drawerIn .32s ease forwards;
}
.drawer a.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.drawer a:nth-child(1){animation-delay:.04s}
.drawer a:nth-child(2){animation-delay:.08s}
.drawer a:nth-child(3){animation-delay:.12s}
.drawer a:nth-child(4){animation-delay:.16s}
.drawer a:nth-child(5){animation-delay:.2s}
@keyframes drawerIn{to{opacity:1;transform:none}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .18s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--clay);transform:translateY(-1px)}
.btn-primary:active{background:var(--clay-dark);transform:translateY(0)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(20,52,43,.06)}
.btn-light{background:var(--paper);color:var(--ink-deep)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-line{border-color:rgba(246,243,237,.5);color:var(--paper);background:transparent}
.btn-line:hover{background:rgba(246,243,237,.12)}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);
  border-bottom:2px solid var(--clay);padding-bottom:2px;
}
.link-cta span{transition:transform .2s ease}
.link-cta:hover span{transform:translateX(2px)}

/* ---------- 面包屑 ---------- */
.crumb{padding:124px 0 0}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.crumb li::after{content:"/";margin-left:8px;color:var(--line)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--clay)}
.crumb .current{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;padding:36px 0 0;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(20,52,43,.055) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(20,52,43,.055) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 78%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:32px 0 72px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;margin-bottom:20px;
  border:1px solid var(--line);border-radius:var(--radius-badge);
  background:var(--card);font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.02em;
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--clay)}
.hero h1{font-size:clamp(30px,5vw,54px);margin-bottom:18px}
.hero-lead{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;list-style:none}
.stat-row li{
  flex:1 1 150px;min-width:150px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:14px 16px;box-shadow:var(--shadow-1);
}
.stat-num{display:block;font-size:24px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3}
.stat-label{display:block;font-size:13px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-1)}
.hero-media .badge-block{
  position:absolute;right:-12px;bottom:-12px;width:88px;height:88px;background:var(--ink);color:var(--paper);
  border-radius:var(--radius-card);display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);
}
.hero-media .badge-block strong{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.hero-media .badge-block span{font-size:12px;opacity:.85;margin-top:4px}

/* ---------- 板块通用 ---------- */
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);margin-bottom:12px}
.section-head p{color:var(--muted);margin:0}
.section-dark .section-head p{color:rgba(246,243,237,.78)}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-badge);
  background:rgba(20,52,43,.08);color:var(--ink);font-size:12px;font-weight:600;
}
.tag-clay{background:rgba(201,96,58,.12);color:var(--clay-dark)}
.tag-amber{background:rgba(228,169,60,.18);color:#8a6415}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;list-style:none;margin:0;padding:0;max-width:900px}
.timeline::before{content:"";position:absolute;left:27px;top:14px;bottom:26px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 28px 78px}
.tl-item::before{
  content:"";position:absolute;left:18px;top:10px;width:20px;height:20px;border-radius:50%;
  background:var(--paper);border:2px solid var(--ink);transition:background .2s ease,border-color .2s ease;
}
.section-alt .tl-item::before{background:var(--paper-alt)}
.tl-item:hover::before{background:var(--clay);border-color:var(--clay)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.tl-step{
  display:inline-block;font-size:12px;font-weight:700;color:var(--clay-dark);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;margin-bottom:6px;
}
.tl-card h3{font-size:20px;margin-bottom:8px}
.tl-card p{margin:0;color:var(--muted);font-size:15px}

/* ---------- 深色清单 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.check-list{list-style:none;display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius-card);
  background:rgba(246,243,237,.07);border:1px solid rgba(246,243,237,.16);
  font-size:15px;color:rgba(246,243,237,.92);
}
.check-list li::before{
  content:"";flex:none;width:16px;height:16px;margin-top:6px;
  border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(-45deg);
}
.step-numbered{list-style:none;counter-reset:s;display:grid;gap:16px}
.step-numbered li{
  counter-increment:s;position:relative;padding-left:56px;min-height:40px;
  color:rgba(246,243,237,.92);font-size:15px;
}
.step-numbered li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:var(--radius-btn);
  display:flex;align-items:center;justify-content:center;
  background:rgba(228,169,60,.14);border:1px solid rgba(228,169,60,.42);color:var(--amber);
  font-weight:700;font-variant-numeric:tabular-nums;
}
.step-numbered strong{display:block;color:#fff;font-size:16px;margin-bottom:2px}

/* ---------- 支持渠道卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.card::before{content:"";position:absolute;left:0;top:0;width:8px;height:8px;border-left:2px solid var(--clay);border-top:2px solid var(--clay)}
.card h3{font-size:20px;margin:0 0 10px}
.card p{color:var(--muted);font-size:15px;margin:0 0 16px}
.card ul{list-style:none;display:grid;gap:8px;font-size:14px;color:var(--muted)}
.card ul li{padding-left:16px;position:relative}
.card ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--amber)}
.banner-media{margin-top:40px}
.banner-media img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-1)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:0 22px;font-size:16px;font-weight:600;color:var(--ink-deep);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--ink),var(--shadow-1)}
.faq-icon{flex:none;width:22px;height:22px;position:relative;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--clay)}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px}
.faq-body p{margin:0}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink-deep);color:var(--paper);border-radius:16px;
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);font-size:clamp(22px,2.8vw,30px);margin-bottom:8px}
.cta-band p{color:rgba(246,243,237,.78);margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:100;
  display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;
  border-radius:999px;background:var(--ink);color:var(--paper);
  border:1px solid var(--clay);font-weight:600;font-size:15px;
  box-shadow:var(--shadow-2);opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,background .2s ease;
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{background:var(--clay)}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-deep);color:var(--paper);margin-top:96px;padding:72px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:14px}
.footer .brand-mark::before{border-color:var(--paper)}
.footer .brand-mark::after{border-color:var(--amber)}
.foot-col p{color:rgba(246,243,237,.7);font-size:14px;margin:0}
.foot-col h4{color:var(--paper);font-size:15px;margin-bottom:14px;font-weight:700}
.foot-col ul{list-style:none;display:grid;gap:10px}
.foot-col a{color:rgba(246,243,237,.72);font-size:14px;transition:color .2s ease}
.foot-col a:hover{color:var(--amber)}
.foot-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(246,243,237,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,243,237,.6);font-variant-numeric:tabular-nums;
}

/* ---------- 图片占位 ---------- */
.img{background:var(--paper-alt);border:1px solid var(--line)}
.img.is-broken{outline:1px dashed var(--ink);outline-offset:-6px;min-height:160px}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .card-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  .dock-menu{display:none}
  .nav-toggle{display:inline-flex}
  .dock-actions{gap:6px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media .badge-block{right:12px;bottom:-16px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{padding-bottom:112px}
  .container{padding:0 18px}
  :root{--pad-section:64px}
  .section{padding:64px 0}
  .dock-wrap{top:12px;padding:0 14px}
  .dock{height:56px;padding:0 10px 0 14px;gap:10px}
  .brand-sub{display:none}
  .crumb{padding:96px 0 0}
  .hero-grid{padding:24px 0 48px}
  .hero-media img{aspect-ratio:4/3}
  .stat-row li{flex:1 1 100%}
  .card-grid{grid-template-columns:1fr}
  .timeline::before{left:19px}
  .tl-item{padding-left:56px}
  .tl-item::before{left:10px;width:18px;height:18px}
  .cta-band{padding:32px 24px;border-radius:12px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    min-height:56px;padding:0 16px calc(env(safe-area-inset-bottom,0px));
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:none}
}
@media (max-width:480px){
  .hero h1{font-size:30px}
  .section-head h2{font-size:24px}
  .faq-item summary{padding:0 16px;font-size:15px}
  .faq-body{padding:0 16px 18px}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --primary:#14342B;
  --primary-d:#0B211B;
  --primary-l:#1F4A3C;
  --accent:#C9603A;
  --accent-d:#AD4E2C;
  --gold:#E4A93C;
  --bg:#F6F3ED;
  --bg-alt:#EDE8DF;
  --card:#FFFFFF;
  --ink:#1B1B19;
  --ink-2:#6B6A63;
  --line:#DCD5C8;
  --ok:#2F7D5B;
  --warn:#B8862B;
  --err:#A93B2E;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(11,33,27,.06),0 10px 24px rgba(11,33,27,.06);
  --sh-2:0 16px 36px rgba(11,33,27,.12);
  --sec:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--primary)}
h1{font-size:clamp(30px,5vw,54px)}
h2{font-size:clamp(24px,3.4vw,36px)}
h3{font-size:21px}
p{color:var(--ink-2)}
strong{color:var(--ink);font-weight:700}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:4px;
}
::selection{background:rgba(201,96,58,.24)}

/* ============ 容器 / 栅格 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-alt{background:var(--bg-alt)}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.sec-head p{margin-top:14px;font-size:16px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background-color .2s,color .2s,box-shadow .2s,transform .2s,border-color .2s;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--primary);color:var(--bg);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--accent);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);background:var(--accent-d)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:rgba(20,52,43,.06);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(20,52,43,.12)}
.btn-light{background:var(--bg);color:var(--primary)}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline-light{border-color:rgba(246,243,237,.55);color:var(--bg)}
.btn-outline-light:hover{background:rgba(246,243,237,.12);transform:translateY(-1px)}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--primary);
  border-bottom:2px solid rgba(201,96,58,.5);padding-bottom:2px;transition:color .2s,border-color .2s;
}
.link-cta::after{content:"→";transition:transform .2s}
.link-cta:hover{color:var(--accent);border-color:var(--accent)}
.link-cta:hover::after{transform:translateX(2px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(20,52,43,.08);color:var(--primary-l);
}
.badge-accent{background:rgba(201,96,58,.12);color:var(--accent-d)}
.badge-gold{background:rgba(228,169,60,.2);color:#8A6316}

.corner-mark{position:relative}
.corner-mark::before{
  content:"";position:absolute;left:0;top:0;width:8px;height:8px;
  border-left:2px solid var(--accent);border-top:2px solid var(--accent);
}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:20px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;pointer-events:none;
  padding:0 24px;
}
.dock{
  pointer-events:auto;
  width:100%;max-width:1240px;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 20px;
  border-radius:999px;
  border:1px solid transparent;
  transition:background-color .25s,box-shadow .25s,border-color .25s,backdrop-filter .25s;
}
.dock.is-scrolled{
  background:rgba(246,243,237,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-color:var(--line);
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  position:relative;width:24px;height:24px;flex:0 0 auto;display:block;
  border-left:3px solid var(--primary);border-bottom:3px solid var(--primary);
  border-radius:2px;
}
.brand-mark::after{
  content:"";position:absolute;right:0;top:0;width:9px;height:9px;
  border-right:3px solid var(--accent);border-top:3px solid var(--accent);
}
.brand-text{display:block;font-size:17px;font-weight:800;color:var(--primary);letter-spacing:.01em;line-height:1.2}
.brand-sub{display:block;font-size:11px;color:var(--ink-2);letter-spacing:.08em;line-height:1.4}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-menu a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);transition:background-color .2s,color .2s;
}
.dock-menu a:hover{background:rgba(20,52,43,.07);color:var(--primary)}
.dock-menu a.active{background:var(--primary);color:var(--bg)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--primary);transition:background-color .2s,border-color .2s,color .2s;
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.icon-btn:hover{background:rgba(20,52,43,.07);border-color:var(--primary)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  align-items:center;justify-content:center;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;
  transition:transform .25s,opacity .25s;
}
.nav-toggle span::before{transform:translateY(-6px)}
.nav-toggle span::after{transform:translateY(4px);margin-top:-2px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{transform:translateY(0) rotate(45deg)}
body.nav-open .nav-toggle span::after{transform:translateY(-2px) rotate(-45deg)}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);padding-top:104px}
.crumb a{color:var(--ink-2);transition:color .2s}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--line)}
.crumb .now{color:var(--primary);font-weight:700}

/* ============ Hero ============ */
.hero{position:relative;padding:28px 0 0;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(20,52,43,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,52,43,.05) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,0));
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,0));
}
.hero-inner{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center;padding:56px 0 88px}
.hero h1{margin:18px 0 18px}
.hero .lead{font-size:17px;line-height:1.9;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stats .num{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-stats .lb{font-size:13px;color:var(--ink-2);margin-top:4px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-2);background:var(--bg-alt);
}
.hero-media .stamp{
  position:absolute;right:-8px;bottom:-8px;width:88px;height:88px;border-radius:12px;
  background:var(--primary);color:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
}
.hero-media .stamp b{font-size:26px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.hero-media .stamp span{font-size:11px;letter-spacing:.08em;margin-top:6px;color:rgba(246,243,237,.8)}

/* ============ 表格区 ============ */
.table-shell{background:var(--card);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;border:1px solid var(--line)}
.table-scroll{overflow-x:auto}
.qa-table{width:100%;border-collapse:collapse;min-width:760px}
.qa-table caption{text-align:left;padding:22px 24px 0;font-size:13px;color:var(--ink-2);letter-spacing:.04em}
.qa-table th{
  background:var(--primary);color:var(--bg);text-align:left;
  font-size:13.5px;font-weight:700;letter-spacing:.08em;padding:16px 22px;
}
.qa-table td{padding:18px 22px;border-bottom:1px solid var(--line);font-size:15px;line-height:1.75;vertical-align:top;color:var(--ink-2)}
.qa-table tbody tr:last-child td{border-bottom:0}
.qa-table tbody tr{transition:background-color .2s}
.qa-table tbody tr:hover{background:#FAF8F3}
.qa-table .qa-q{font-weight:700;color:var(--ink);font-size:15.5px}
.qa-table .qa-q em{
  display:inline-block;margin-right:8px;font-style:normal;font-size:12px;font-weight:800;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.qa-table .qa-do{color:var(--primary-l);font-weight:600}
.table-note{margin-top:18px;font-size:13.5px;color:var(--ink-2)}

/* ============ 自检清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.check-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 26px 22px;box-shadow:var(--sh-1);transition:box-shadow .25s,transform .25s}
.check-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.check-card h3{font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.check-card h3 i{
  width:26px;height:26px;border-radius:6px;background:rgba(20,52,43,.08);color:var(--primary);
  font-size:13px;font-weight:800;font-style:normal;display:inline-flex;align-items:center;justify-content:center;
}
.check-list li{position:relative;padding-left:20px;margin-bottom:12px;font-size:15px;color:var(--ink-2);line-height:1.8}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;
  border-left:2px solid var(--accent);border-top:2px solid var(--accent);
}
.check-list li:last-child{margin-bottom:0}
.check-list strong{color:var(--primary)}

/* ============ 数据条 ============ */
.stat-band{
  background:var(--primary);border-radius:16px;padding:44px 40px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;
  box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.stat-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(246,243,237,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(246,243,237,.06) 1px,transparent 1px);
  background-size:24px 24px;
}
.stat-item{position:relative}
.stat-item .n{font-size:clamp(26px,3.2vw,38px);font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1}
.stat-item .t{font-size:14px;color:rgba(246,243,237,.86);margin-top:10px;line-height:1.7}
.stat-item .d{font-size:12.5px;color:rgba(246,243,237,.55);margin-top:4px}

/* ============ 折叠说明 ============ */
.mini-faq{max-width:880px}
.mini-faq details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;box-shadow:var(--sh-1);transition:box-shadow .25s,border-color .25s;
}
.mini-faq details:hover{box-shadow:var(--sh-2)}
.mini-faq details[open]{border-left:3px solid var(--primary)}
.mini-faq summary{
  list-style:none;cursor:pointer;position:relative;
  min-height:64px;display:flex;align-items:center;
  padding:14px 56px 14px 22px;font-size:16px;font-weight:700;color:var(--primary);
}
.mini-faq summary::-webkit-details-marker{display:none}
.mini-faq summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--accent);transition:transform .25s;line-height:1;
}
.mini-faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-body{padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-body ul{padding-left:0;margin-top:10px}
.faq-body li{position:relative;padding-left:16px;margin-bottom:8px}
.faq-body li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--accent);border-radius:1px}

/* ============ CTA + 表单 ============ */
.cta-section{padding:var(--sec) 0;background:var(--bg-alt)}
.cta-panel{
  background:var(--primary-d);border-radius:18px;padding:52px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;box-shadow:var(--sh-2);
}
.cta-copy h2{color:var(--bg)}
.cta-copy p{color:rgba(246,243,237,.78);margin-top:16px;font-size:16px;line-height:1.9}
.cta-copy .hero-cta{margin-top:28px}
.form-grid{display:grid;gap:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:rgba(246,243,237,.9);margin-bottom:8px;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;background:rgba(246,243,237,.06);border:1px solid rgba(246,243,237,.28);
  border-radius:var(--r-btn);padding:12px 14px;font-size:15px;color:var(--bg);
  transition:border-color .2s,box-shadow .2s,background-color .2s;
}
.field input{height:48px;padding:0 14px}
.field select{height:48px;padding:0 14px}
.field select option{color:#1B1B19}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(246,243,237,.45)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);background:rgba(246,243,237,.1);
  box-shadow:0 0 0 3px rgba(228,169,60,.28);
}
.field .hint{font-size:12.5px;color:rgba(246,243,237,.5);margin-top:6px}
.field .err{font-size:12.5px;color:#F0A79B;margin-top:6px;display:none}
.field.has-error input,.field.has-error textarea{border-color:#E08A7A}
.field.has-error .err{display:block}
.form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}
.form-actions .btn{flex:0 0 auto}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;padding:0 26px;border-radius:999px;
  background:var(--primary);color:var(--bg);font-size:15px;font-weight:700;
  border:1px solid var(--accent);box-shadow:var(--sh-2);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .28s,transform .28s,background-color .2s;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--accent);border-color:var(--accent)}

/* ============ 页脚 ============ */
.footer{background:var(--primary-d);color:rgba(246,243,237,.82);padding:72px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand span{font-size:17px;font-weight:800;color:var(--bg)}
.foot-brand .brand-mark{border-color:var(--bg)}
.foot-brand .brand-mark::after{border-color:var(--gold)}
.foot-col p{color:rgba(246,243,237,.62);font-size:14px;line-height:1.9;max-width:340px}
.foot-col h4{color:var(--bg);font-size:14px;letter-spacing:.08em;margin-bottom:18px;font-weight:700}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{font-size:14px;color:rgba(246,243,237,.68);transition:color .2s}
.foot-col ul a:hover{color:var(--gold)}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(246,243,237,.16);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,243,237,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 22px}
}
@media (max-width:1024px){
  :root{--sec:76px}
  .dock-menu{
    position:fixed;inset:0;z-index:-1;
    display:flex;flex-direction:column;justify-content:center;gap:6px;
    background:var(--bg);padding:96px 32px 40px;margin:0;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .28s,transform .28s,visibility .28s;
  }
  body.nav-open .dock-menu{opacity:1;visibility:visible;transform:translateY(0)}
  .dock-menu a{
    height:auto;padding:14px 16px;border-radius:12px;font-size:20px;font-weight:700;color:var(--primary);
    opacity:0;transform:translateY(10px);transition:opacity .3s,transform .3s,background-color .2s;
  }
  body.nav-open .dock-menu a{opacity:1;transform:translateY(0)}
  body.nav-open .dock-menu li:nth-child(1) a{transition-delay:.04s}
  body.nav-open .dock-menu li:nth-child(2) a{transition-delay:.08s}
  body.nav-open .dock-menu li:nth-child(3) a{transition-delay:.12s}
  body.nav-open .dock-menu li:nth-child(4) a{transition-delay:.16s}
  body.nav-open .dock-menu li:nth-child(5) a{transition-delay:.20s}
  .dock-menu a.active{background:var(--primary);color:var(--bg)}
  .nav-toggle{display:inline-flex}
  .dock{background:rgba(246,243,237,.9);backdrop-filter:blur(10px);border-color:var(--line);box-shadow:var(--sh-1)}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:40px 0 64px}
  .hero-media img{aspect-ratio:16/10}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:36px 30px}
  .cta-panel{grid-template-columns:1fr;gap:36px;padding:44px 36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  :root{--sec:64px}
  body{font-size:15.5px;padding-bottom:72px}
  .container{padding:0 18px}
  .dock-wrap{top:12px;padding:0 14px}
  .dock{height:56px;padding:0 8px 0 14px;gap:10px}
  .brand-sub{display:none}
  .dock-actions .btn-primary{display:none}
  .crumb{padding-top:88px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px}
  .grid-2,.grid-3,.grid-4,.check-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr;padding:30px 24px;gap:22px}
  .cta-panel{padding:32px 22px}
  .hero-media .stamp{width:72px;height:72px;right:0;bottom:0}
  .hero-media .stamp b{font-size:22px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;min-height:56px;
    border-left:0;border-right:0;border-bottom:0;
    padding-bottom:env(safe-area-inset-bottom);
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0)}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .footer{padding:56px 0 24px}
  /* 表格降级为卡片堆叠 */
  .table-shell{background:transparent;border:0;box-shadow:none}
  .table-scroll{overflow:visible}
  .qa-table{min-width:0;display:block;border-collapse:separate}
  .qa-table caption{padding:0 0 14px}
  .qa-table thead{display:none}
  .qa-table tbody,.qa-table tr,.qa-table td{display:block;width:100%}
  .qa-table tr{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:16px 18px;margin-bottom:14px;box-shadow:var(--sh-1);
  }
  .qa-table td{border:0;padding:6px 0;font-size:15px}
  .qa-table td::before{
    content:attr(data-label);display:block;
    font-size:11.5px;font-weight:800;letter-spacing:.1em;color:var(--accent);margin-bottom:4px;
  }
  .qa-table td:first-child::before{content:none}
  .qa-table td:first-child{padding-bottom:10px}
}
@media (max-width:480px){
  .brand-text{font-size:15.5px}
  .hero-cta .btn{width:100%}
  .hero-stats{grid-template-columns:1fr}
  .hero-media .stamp{width:64px;height:64px}
  .hero-media .stamp b{font-size:19px}
  .hero-media .stamp span{font-size:10px}
  .form-actions .btn{width:100%}
  .stat-item .n{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}