/* roulang page: index */
:root{
  --primary:#FF4A1C;
  --primary-deep:#D93A11;
  --ink:#2B1B4D;
  --accent:#F5D547;
  --page:#F6F4F1;
  --deep:#111014;
  --surface:#FFFFFF;
  --line:#E6E2DC;
  --text:#141118;
  --muted:#5A5560;
  --meta:#8B8590;
  --ok:#1F9D6B;
  --warn:#E0662B;
  --err:#C93B2B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,17,24,.04), 0 10px 28px rgba(20,17,24,.06);
  --sh-lift:0 2px 6px rgba(20,17,24,.06), 0 18px 40px rgba(20,17,24,.10);
  --ease:cubic-bezier(.22,1,.36,1);
  --sp-section:clamp(56px,6.5vw,110px);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Mono",ui-monospace,"Roboto Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:clamp(40px,5vw,72px) 0;}

/* ---------- 头部命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,241,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}
.site-header .bar{
  display:flex;align-items:center;gap:28px;
  height:76px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,17,24,.04),0 8px 24px rgba(20,17,24,.05);}
.site-header.is-scrolled .bar{height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:24px;height:24px;border-radius:6px;background:var(--primary);
  position:relative;display:inline-block;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;right:3px;bottom:3px;width:8px;height:8px;
  background:var(--page);border-radius:2px;
}
.brand-text{font-weight:800;font-size:1.0625rem;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.brand-text span{color:var(--primary);}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:6px;}
.nav-main a{
  position:relative;font-size:.9375rem;font-weight:500;color:var(--muted);
  padding:6px 0;transition:color .16s var(--ease);
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.nav-main a:hover{color:var(--text);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--primary);}
.nav-main a.is-active::after{transform:scaleX(1);}
.header-right{display:flex;align-items:center;gap:16px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 10px 0 12px;min-width:210px;
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  transition:border-color .16s var(--ease), box-shadow .16s var(--ease);
}
.cmd-search svg{flex:0 0 auto;color:var(--meta);}
.cmd-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:.875rem;color:var(--text);
}
.cmd-search input::placeholder{color:var(--meta);}
.cmd-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,74,28,.12);}
.kbd{
  font-family:var(--font-num);font-size:.6875rem;color:var(--muted);
  background:#F1EEE9;border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;white-space:nowrap;
}
.header-link{
  font-size:.9375rem;font-weight:500;color:var(--muted);
  transition:color .16s var(--ease);
}
.header-link:hover{color:var(--primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .24s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;height:48px;padding:0 24px;font-size:.9375rem;}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-lift);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--line);height:48px;padding:0 24px;font-size:.9375rem;}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);}
.btn-sm{height:40px;padding:0 18px;font-size:.875rem;}
.btn-ghost{
  background:transparent;color:var(--primary);padding:0;height:auto;font-size:.9375rem;
  border:0;font-weight:600;
}
.btn-ghost .arrow{transition:transform .16s var(--ease);}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.btn-ghost .label{position:relative;}
.btn-ghost .label::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.btn-ghost:hover .label::after{transform:scaleX(1);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;
}
.hamburger span{display:block;width:16px;height:1.5px;background:var(--text);position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--text);
}
.hamburger span::before{top:-5px;}
.hamburger span::after{top:5px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--page);
  padding:24px 20px 40px;
  transform:translateY(12px);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  font-size:1.25rem;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:24px;}
.drawer-nav a{
  padding:16px 4px;border-bottom:1px solid var(--line);
  font-size:1.0625rem;font-weight:600;
}
.drawer-nav a.is-active{color:var(--primary);}

/* ---------- Hero ---------- */
.hero{padding:clamp(40px,5vw,84px) 0 clamp(48px,6vw,96px);}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.02em;font-weight:600;color:var(--ink);
  background:rgba(43,27,77,.08);border-radius:var(--r-pill);padding:5px 12px;
  margin-bottom:22px;
}
.display{
  font-size:clamp(2.25rem,4.6vw,3.6rem);
  line-height:1.08;font-weight:800;letter-spacing:-.02em;color:var(--text);
}
.hero-sub{margin-top:18px;font-size:1.0625rem;color:var(--muted);max-width:30em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:38px;
  padding-top:22px;border-top:1px solid var(--line);
}
.trust-item{display:flex;align-items:baseline;gap:8px;font-size:.875rem;color:var(--muted);}
.trust-item b{font-family:var(--font-num);font-size:1.125rem;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;}
.trust-item + .trust-item{padding-left:18px;border-left:1px solid var(--line);}
.hero-visual{position:relative;}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/11;background:#EDE9E4;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(246,244,241,.55) 0%,rgba(246,244,241,0) 55%);
}
.hero-float{
  position:absolute;right:20px;bottom:-24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);padding:18px 20px;min-width:186px;
}
.hero-float .k{font-size:.75rem;color:var(--meta);letter-spacing:.02em;}
.hero-float .v{font-family:var(--font-num);font-size:1.875rem;font-weight:800;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums;}
.hero-float .d{font-size:.75rem;color:var(--muted);}

/* ---------- 通用标题 ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.sec-head h2{
  font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700;line-height:1.2;letter-spacing:-.01em;
  max-width:22em;
}
.sec-desc{margin-top:12px;font-size:.9375rem;color:var(--muted);max-width:44em;}

/* ---------- 阶梯 ---------- */
.ladder{display:grid;grid-template-columns:190px 1fr;gap:40px;}
.ladder-side h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;line-height:1.2;letter-spacing:-.01em;}
.ladder-side p{margin-top:12px;font-size:.9375rem;color:var(--muted);}
.ladder-steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.ladder-steps::before{
  content:"";position:absolute;left:0;right:0;top:22px;height:1px;background:var(--line);
}
.step{position:relative;padding-top:0;}
.step .idx{
  position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;background:var(--surface);border:1px solid var(--line);
  font-family:var(--font-num);font-weight:800;font-size:1rem;color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.step h3{margin-top:20px;font-size:1.0625rem;font-weight:600;}
.step p{margin-top:8px;font-size:.875rem;color:var(--muted);min-height:3.4em;}
.bar-track{margin-top:16px;height:4px;border-radius:var(--r-pill);background:#EBE7E2;overflow:hidden;}
.bar-fill{height:100%;background:var(--primary);border-radius:var(--r-pill);}

/* ---------- 套餐对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch;}
.plan{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:rgba(255,74,28,.35);}
.plan.is-featured{background:var(--ink);border-color:var(--ink);position:relative;}
.plan.is-featured .plan-name,
.plan.is-featured .price,
.plan.is-featured .plan-cycle,
.plan.is-featured li{color:#fff;}
.plan.is-featured .plan-cycle,
.plan.is-featured li{color:rgba(255,255,255,.72);}
.plan-tag{
  position:absolute;top:-11px;left:24px;background:var(--primary);color:#fff;
  font-size:.75rem;letter-spacing:.02em;font-weight:600;border-radius:var(--r-pill);padding:3px 12px;
}
.plan-name{font-size:1rem;font-weight:600;}
.price{margin-top:16px;font-family:var(--font-num);font-size:2.25rem;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--text);}
.plan-cycle{margin-top:6px;font-size:.8125rem;color:var(--meta);}
.plan ul{margin-top:22px;display:flex;flex-direction:column;gap:10px;font-size:.875rem;color:var(--muted);}
.plan ul li{display:flex;gap:8px;align-items:flex-start;}
.dot-ok{width:6px;height:6px;border-radius:50%;background:var(--ok);margin-top:8px;flex:0 0 auto;}
.dot-no{width:6px;height:6px;border-radius:50%;background:#CFCAC4;margin-top:8px;flex:0 0 auto;}
.plan .btn{margin-top:26px;width:100%;}
.plan.is-featured .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.plan.is-featured .btn-secondary:hover{border-color:var(--primary);color:#FFB49B;}
.compare{margin-top:34px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden;}
.compare-row{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;align-items:center;
  padding:16px 24px;font-size:.875rem;border-bottom:1px solid var(--line);
}
.compare-row:last-child{border-bottom:0;}
.compare-head{background:#FBFAF8;font-weight:600;color:var(--muted);font-size:.8125rem;letter-spacing:.02em;}
.compare-row .cell{text-align:center;color:var(--muted);}
.compare-row .cell.yes{color:var(--ok);font-weight:600;}
.compare-row .cell.no{color:#B9B3AD;}

/* ---------- 限时深色段 ---------- */
.deep-band{background:var(--deep);color:#fff;}
.deep-band .inner{padding:clamp(48px,5.5vw,84px) 0;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.deep-band h2{font-size:clamp(1.6rem,2.8vw,2.125rem);font-weight:700;line-height:1.2;color:#fff;}
.deep-band p{margin-top:14px;font-size:.9375rem;color:rgba(255,255,255,.66);max-width:34em;}
.countdown{display:flex;gap:14px;margin-top:30px;}
.cd-block{
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);
  padding:14px 18px;min-width:84px;text-align:center;
}
.cd-block b{display:block;font-family:var(--font-num);font-size:1.75rem;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.15;}
.cd-block span{font-size:.75rem;color:rgba(255,255,255,.6);letter-spacing:.02em;}
.deep-actions{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.deep-actions .wide{grid-column:1 / -1;}
.btn-ghost-dark{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.2);height:48px;padding:0 20px;
  font-size:.9375rem;font-weight:600;
}
.btn-ghost-dark:hover{border-color:var(--primary);color:#FFB49B;transform:translateY(-2px);}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;}
.news-lead{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:rgba(255,74,28,.35);}
.news-lead .thumb{aspect-ratio:16/10;overflow:hidden;background:#EDE9E4;}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.news-lead:hover .thumb img{transform:scale(1.03);}
.news-lead .body{padding:26px 28px 28px;}
.news-lead h3{margin-top:14px;font-size:1.25rem;font-weight:600;line-height:1.45;}
.news-lead p{margin-top:12px;font-size:.9375rem;color:var(--muted);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:.8125rem;color:var(--meta);letter-spacing:.02em;margin-top:18px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:.75rem;letter-spacing:.02em;font-weight:600;
  border-radius:var(--r-pill);padding:3px 11px;
}
.badge-cat{background:rgba(43,27,77,.08);color:var(--ink);}
.badge-time{background:var(--accent);color:#3A2E12;position:relative;}
.badge-time::before{content:"";width:6px;height:6px;border-radius:50%;background:#3A2E12;animation:pulse 2s infinite;}
.badge-ok{background:rgba(31,157,107,.1);color:var(--ok);}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.news-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.news-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 12px;border-bottom:1px solid var(--line);
  transition:background-color .16s var(--ease);
}
.news-item:hover{background:#FBFAF8;}
.news-item .idx{
  font-family:var(--font-num);font-size:.8125rem;font-weight:700;color:var(--primary);
  padding-top:4px;min-width:28px;font-variant-numeric:tabular-nums;
}
.news-item h3{font-size:1rem;font-weight:600;line-height:1.5;}
.news-item p{margin-top:6px;font-size:.875rem;color:var(--muted);}
.news-item .meta-row{margin-top:10px;}
.skeleton{
  background:linear-gradient(90deg,#EFEBE6 25%,#E7E2DC 37%,#EFEBE6 63%);
  background-size:400% 100%;
  animation:shine 1.6s ease infinite;border-radius:var(--r-sm);
}
@keyframes shine{0%{background-position:100% 0;}100%{background-position:-100% 0;}}
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--surface);
}
.empty-state svg{margin:0 auto 16px;color:var(--meta);}
.empty-state p{color:var(--muted);font-size:.9375rem;margin-bottom:20px;}

/* ---------- 证据区 ---------- */
.evidence{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ev-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:28px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.ev-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:rgba(255,74,28,.35);}
.ev-num{font-family:var(--font-num);font-size:2rem;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.1;}
.ev-card h3{margin-top:14px;font-size:1.0625rem;font-weight:600;}
.ev-card p{margin-top:10px;font-size:.875rem;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;cursor:pointer;list-style:none;font-weight:600;font-size:1rem;
  transition:color .16s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary::after{
  content:"+";font-family:var(--font-num);font-size:1.25rem;color:var(--primary);
  transition:transform .24s var(--ease);flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(135deg);}
.faq-body{padding:0 4px 24px;font-size:.9375rem;line-height:1.8;color:var(--muted);max-width:44em;}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start;}
.point-list{display:flex;flex-direction:column;gap:20px;margin-top:28px;}
.point{display:flex;gap:14px;}
.point .bar{width:2px;background:var(--primary);border-radius:2px;flex:0 0 auto;}
.point h3{font-size:1rem;font-weight:600;}
.point p{margin-top:6px;font-size:.875rem;color:var(--muted);}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:32px;box-shadow:var(--sh-card);
}
.field{margin-bottom:20px;}
.field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:8px;}
.req{color:var(--primary);}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;background:var(--surface);outline:none;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,74,28,.12);
}
.field .hint{font-size:.8125rem;color:var(--err);margin-top:6px;display:none;}
.privacy{display:flex;gap:10px;align-items:flex-start;font-size:.8125rem;color:var(--meta);margin-top:18px;}
.privacy input{width:16px;height:16px;margin-top:3px;flex:0 0 auto;accent-color:var(--primary);}
.form-card .btn-primary{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;}
.site-footer .top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding:clamp(48px,5vw,72px) 0 40px;
}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark::after{background:var(--ink);}
.footer-note{margin-top:16px;font-size:.875rem;color:rgba(255,255,255,.62);max-width:26em;line-height:1.8;}
.footer-col h4{font-size:.8125rem;letter-spacing:.06em;color:rgba(255,255,255,.5);font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:.875rem;color:rgba(255,255,255,.78);}
.footer-col a{transition:color .16s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 32px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:rgba(255,255,255,.5);letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-main{gap:18px;}
  .cmd-search{min-width:170px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-main,.cmd-search,.header-link{display:none;}
  .hamburger{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{order:-1;}
  .ladder{grid-template-columns:1fr;gap:28px;}
  .ladder-steps{grid-template-columns:repeat(2,1fr);gap:24px;}
  .ladder-steps::before{display:none;}
  .plan-grid{grid-template-columns:repeat(2,1fr);}
  .deep-band .inner{grid-template-columns:1fr;gap:36px;}
  .news-grid{grid-template-columns:1fr;}
  .evidence{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .site-footer .top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .compare-row{grid-template-columns:1.2fr 1fr 1fr 1fr;padding:14px 16px;font-size:.8125rem;}
  .compare-head{font-size:.75rem;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .brand-text{font-size:1rem;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .trust-row{gap:12px;}
  .trust-item{padding-left:0 !important;border-left:0 !important;}
  .ladder-steps{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .deep-actions{grid-template-columns:1fr;}
  .compare{margin-top:26px;}
  .compare-row{grid-template-columns:1fr;gap:6px;text-align:left;}
  .compare-row .cell{text-align:left;}
  .compare-row .cell::before{content:attr(data-label) "：";color:var(--meta);}
  .compare-head{display:none;}
  .form-card{padding:24px 20px;}
  .site-footer .top{grid-template-columns:1fr;}
  .sec-head{margin-bottom:32px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --primary:#FF4A1C;
  --primary-deep:#D93A11;
  --ink:#2B1B4D;
  --accent:#F5D547;
  --page:#F6F4F1;
  --deep:#111014;
  --surface:#FFFFFF;
  --line:#E6E2DC;
  --text:#141118;
  --muted:#5A5560;
  --meta:#8B8590;
  --success:#1F9D6B;
  --warn:#E0662B;
  --error:#C93B2B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,17,24,.04),0 10px 28px rgba(20,17,24,.06);
  --sh-lift:0 2px 6px rgba(20,17,24,.06),0 18px 40px rgba(20,17,24,.10);
  --ease:cubic-bezier(.22,1,.36,1);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-slow:420ms;
  --display:clamp(2.25rem,5.2vw,4rem);
  --h2:clamp(1.6rem,3vw,2.25rem);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-family:var(--font-mono)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,241,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),padding var(--t-mid) var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(20,17,24,.04);
  padding-bottom:0;
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;
  transition:height var(--t-mid) var(--ease);
}
.site-header.is-scrolled .header-inner{height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--primary);
  position:relative;display:inline-block;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;
  width:10px;height:10px;background:var(--page);border-radius:3px;
}
.brand-text{font-weight:800;font-size:1.0625rem;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.brand-text span{color:var(--primary);font-weight:800}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-main a{
  position:relative;font-size:.9375rem;font-weight:500;color:var(--muted);
  padding:6px 0;transition:color var(--t-fast) var(--ease);
}
.nav-main a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform 180ms var(--ease);
}
.nav-main a:hover{color:var(--text)}
.nav-main a:hover::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--primary)}
.nav-main a.is-active::after{transform:scaleX(1);width:18px}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:250px;padding:0 10px 0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.cmd-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,74,28,.12)}
.cmd-search svg{flex-shrink:0;color:var(--meta)}
.cmd-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:.875rem;color:var(--text);
}
.cmd-search input::placeholder{color:var(--meta)}
.kbd{
  font-family:var(--font-mono);font-size:.6875rem;color:var(--muted);
  background:#EFEDE9;border-radius:5px;padding:2px 5px;line-height:1.3;
}
.header-link{
  font-size:.875rem;color:var(--muted);font-weight:500;white-space:nowrap;
  transition:color var(--t-fast) var(--ease);
}
.header-link:hover{color:var(--primary)}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  align-items:center;justify-content:center;
}
.burger span{display:block;width:16px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);
}
.burger span::before{top:-5px}
.burger span::after{top:5px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:.9375rem;font-weight:600;cursor:pointer;
  transition:background-color var(--t-mid) var(--ease),color var(--t-mid) var(--ease),
             border-color var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),
             box-shadow var(--t-mid) var(--ease);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-lift)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-card)}
.btn-secondary{background:var(--surface);border-color:var(--line);color:var(--text)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{height:40px;padding:0 18px;font-size:.875rem}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-weight:600;font-size:.9375rem;position:relative;
}
.btn-ghost svg{transition:transform var(--t-mid) var(--ease)}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-ghost::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t-mid) var(--ease);
}
.btn-ghost:hover::after{transform:scaleX(1)}

/* 抽屉 */
.drawer{
  position:fixed;inset:76px 0 0 0;background:var(--page);z-index:55;
  padding:24px 20px 40px;overflow-y:auto;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease);
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer a.drawer-link{
  display:block;padding:14px 4px;font-size:1.0625rem;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer a.drawer-link.is-active{color:var(--primary)}
.drawer .drawer-search{margin:18px 0}
.drawer .drawer-search input{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface);outline:none}
.drawer .drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,74,28,.12)}
.drawer .btn{width:100%;margin-top:8px}

/* ============ 情境条 / 面包屑 ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;letter-spacing:.02em;color:var(--meta);
  padding:24px 0 0;
}
.crumbs a{color:var(--muted);transition:color var(--t-fast) var(--ease)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:#C9C3BC}
.crumbs .current{color:var(--meta);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-head{padding:28px 0 0;max-width:840px;margin:0 auto}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;letter-spacing:.02em;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(43,27,77,.08);color:var(--ink);
}
.tag-accent{background:var(--accent);color:#3A2B00}
.tag-accent::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#7A5A00;
  animation:breathe 2s ease-in-out infinite;
}
.tag-ok{background:rgba(31,157,107,.10);color:var(--success)}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.35}}
.article-head h1{
  font-size:clamp(1.85rem,3.6vw,2.75rem);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;
  color:var(--ink);margin:18px 0 0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:20px;padding-bottom:26px;border-bottom:1px solid var(--line);
  font-size:.8125rem;letter-spacing:.02em;color:var(--meta);
}
.article-meta .item{display:inline-flex;align-items:center;gap:7px}
.article-meta .item svg{color:var(--meta)}
.article-meta .divider{width:1px;height:14px;background:var(--line)}

/* ============ 正文 ============ */
.article-wrap{padding:40px 0 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 268px;
  gap:56px;align-items:start;
}
.reading{max-width:820px}
.reading-body{
  font-size:1.0625rem;line-height:1.9;color:var(--text);
}
.reading-body > * + *{margin-top:1.05em}
.reading-body h2{
  position:relative;padding-left:16px;margin:2.2em 0 .75em;
  font-size:var(--h2);font-weight:700;line-height:1.28;color:var(--ink);
}
.reading-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:3px;height:1em;
  background:var(--primary);border-radius:2px;
}
.reading-body h3{
  margin:1.8em 0 .6em;font-size:1.25rem;line-height:1.5;font-weight:600;color:var(--ink);
}
.reading-body h4{margin:1.5em 0 .5em;font-size:1.0625rem;font-weight:600;color:var(--ink)}
.reading-body p{margin-bottom:1.15em}
.reading-body a{color:var(--primary);border-bottom:1px solid rgba(255,74,28,.35)}
.reading-body a:hover{border-bottom-color:var(--primary)}
.reading-body strong{font-weight:700;color:var(--ink)}
.reading-body ul,.reading-body ol{margin:1.1em 0 1.3em;padding-left:1.35em}
.reading-body ul li{list-style:none;position:relative;padding-left:18px;line-height:1.9;margin-bottom:.5em}
.reading-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--primary);
}
.reading-body ol{list-style:decimal}
.reading-body ol li{margin-bottom:.5em;line-height:1.9;padding-left:4px}
.reading-body ol li::marker{color:var(--primary);font-weight:700}
.reading-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--line);background:#FBFAF8;
  border-radius:0 10px 10px 0;color:var(--muted);font-size:1rem;line-height:1.85;
}
.reading-body blockquote p:last-child{margin-bottom:0}
.reading-body img{width:100%;height:auto;border-radius:10px;margin:1.6em 0 .6em}
.reading-body figure{margin:1.6em 0}
.reading-body figcaption{
  text-align:center;font-size:.8125rem;color:var(--meta);letter-spacing:.02em;
}
.reading-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.reading-body code{
  font-family:var(--font-mono);font-size:.875em;
  background:#EFEDE9;border-radius:5px;padding:2px 6px;color:var(--ink);
}
.reading-body pre{
  background:var(--deep);color:#EFEDE9;border-radius:12px;
  padding:18px 20px;overflow-x:auto;font-family:var(--font-mono);
  font-size:.875rem;line-height:1.7;margin:1.6em 0;
}
.reading-body pre code{background:transparent;color:inherit;padding:0}

/* 文章底部操作 */
.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap}
.share-label{font-size:.8125rem;color:var(--meta);letter-spacing:.02em}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  font-size:.8125rem;color:var(--muted);cursor:pointer;
  transition:border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.share-btn:hover{border-color:var(--primary);color:var(--primary)}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);
}
.empty-state svg{color:var(--meta);margin:0 auto 16px}
.empty-state p{color:var(--muted);margin-bottom:20px}
.empty-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ============ 侧栏 ============ */
.side-rail{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;
}
.side-card h3{
  font-size:.9375rem;font-weight:700;color:var(--ink);
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.side-card ul li{margin-bottom:10px;font-size:.875rem;color:var(--muted);line-height:1.7}
.side-card ul li:last-child{margin-bottom:0}
.side-card ul li a{color:var(--muted);transition:color var(--t-fast) var(--ease)}
.side-card ul li a:hover{color:var(--primary)}
.toc-item{display:flex;gap:10px;align-items:flex-start}
.toc-item .idx{
  font-family:var(--font-mono);font-size:.75rem;color:var(--primary);
  font-weight:700;padding-top:3px;
}

/* ============ 相关推荐 ============ */
.section{padding:96px 0 0}
.section-tight{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{
  font-size:var(--h2);font-weight:700;line-height:1.24;color:var(--ink);letter-spacing:-.01em;
}
.section-head .sub{font-size:.9375rem;color:var(--muted);margin-top:8px}
.rec-list{
  display:grid;gap:16px;
}
.rec-item{
  display:grid;grid-template-columns:112px minmax(0,1fr);
  gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;transition:border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),transform var(--t-mid) var(--ease);
}
.rec-item:hover{border-color:rgba(255,74,28,.35);box-shadow:var(--sh-lift);transform:translateY(-3px)}
.rec-thumb{
  width:112px;aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:#EFEDE9;
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.rec-item:hover .rec-thumb img{transform:scale(1.03)}
.rec-body h3{font-size:1.0625rem;font-weight:600;color:var(--ink);line-height:1.5;margin-bottom:6px}
.rec-body p{font-size:.9375rem;color:var(--muted);line-height:1.7;margin:0 0 10px}
.rec-foot{display:flex;align-items:center;gap:12px;font-size:.8125rem;color:var(--meta);letter-spacing:.02em}

/* ============ 阅读提示区 ============ */
.verify-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.verify-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;transition:border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),transform var(--t-mid) var(--ease);
}
.verify-card:hover{border-color:rgba(255,74,28,.35);box-shadow:var(--sh-lift);transform:translateY(-3px)}
.verify-card .idx{
  font-family:var(--font-mono);font-size:.8125rem;font-weight:700;color:var(--primary);
  letter-spacing:.06em;
}
.verify-card h3{margin:12px 0 8px;font-size:1.0625rem;font-weight:600;color:var(--ink)}
.verify-card p{font-size:.9375rem;color:var(--muted);line-height:1.75;margin:0}

/* ============ 返回入口 CTA ============ */
.return-band{
  background:var(--deep);color:#fff;border-radius:var(--r-lg);
  padding:40px clamp(24px,4vw,48px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  border:1px solid rgba(255,255,255,.10);
}
.return-band h2{font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:700;color:#fff;line-height:1.3}
.return-band p{color:rgba(255,255,255,.72);font-size:.9375rem;margin:8px 0 0;max-width:52ch}
.return-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-on-dark{
  background:var(--primary);color:#fff;border-color:transparent;
}
.btn-on-dark:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-lift)}
.btn-outline-dark{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.26);
}
.btn-outline-dark:hover{border-color:#fff;color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{margin-top:104px;background:var(--ink);color:#fff;padding:68px 0 28px}
.site-footer .top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:var(--primary)}
.site-footer .brand-mark::after{background:var(--ink)}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text span{color:var(--accent)}
.footer-note{color:rgba(255,255,255,.66);font-size:.9375rem;line-height:1.8;max-width:40ch;margin:0}
.footer-col h4{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px;font-size:.9375rem;color:rgba(255,255,255,.66);line-height:1.7}
.footer-col ul li a{color:rgba(255,255,255,.66);transition:color var(--t-fast) var(--ease)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:.8125rem;color:rgba(255,255,255,.55);letter-spacing:.02em;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .side-rail{display:none}
  .reading{max-width:820px;margin:0 auto}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-main{display:none}
  .cmd-search{width:200px}
  .header-link{display:none}
  .burger{display:flex}
  .section{padding:72px 0 0}
  .section-tight{padding:56px 0 0}
  .site-footer .top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .header-inner{height:66px;gap:14px}
  .site-header.is-scrolled .header-inner{height:60px}
  .cmd-search{display:none}
  .header-tools .btn-sm{padding:0 14px;height:38px;font-size:.8125rem}
  .reading-body{font-size:1rem;line-height:1.85}
  .rec-item{grid-template-columns:88px minmax(0,1fr);gap:14px}
  .rec-thumb{width:88px}
  .verify-grid{grid-template-columns:1fr}
  .article-actions{flex-direction:column;align-items:flex-start}
  .share-group{margin-left:0}
}
@media (max-width:519px){
  .container{padding:0 20px}
  .section{padding:56px 0 0}
  .section-tight{padding:48px 0 0}
  .brand-text{font-size:.9375rem}
  .article-head h1{font-size:1.65rem}
  .article-meta{gap:8px 14px}
  .crumbs .current{max-width:100%;white-space:normal}
  .site-footer .top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .return-band{padding:28px 20px}
  .return-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --primary:#FF4A1C;
  --primary-deep:#D93A11;
  --ink:#2B1B4D;
  --accent:#F5D547;
  --page:#F6F4F1;
  --deep:#111014;
  --surface:#FFFFFF;
  --line:#E6E2DC;
  --text:#141118;
  --muted:#5A5560;
  --meta:#8B8590;
  --success:#1F9D6B;
  --warn:#E0662B;
  --error:#C93B2B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,17,24,.04),0 10px 28px rgba(20,17,24,.06);
  --sh-lift:0 2px 6px rgba(20,17,24,.06),0 18px 40px rgba(20,17,24,.10);
  --ease:cubic-bezier(.22,1,.36,1);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-enter:420ms;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,241,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(20,17,24,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
  transition:height var(--t-mid) var(--ease);
}
.site-header.scrolled .header-inner{height:68px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:24px;height:24px;
  background:var(--primary);
  border-radius:6px;
  position:relative;
  display:inline-block;
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:0;bottom:0;
  width:9px;height:9px;
  background:var(--page);
  border-top-left-radius:4px;
}
.brand-text{
  font-weight:800;
  font-size:1.0625rem;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand-text span{color:var(--primary);}
.nav-main{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
}
.nav-main a{
  position:relative;
  font-size:.9375rem;
  font-weight:500;
  color:var(--muted);
  padding:6px 0;
  transition:color var(--t-fast) var(--ease);
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--primary);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 180ms var(--ease);
}
.nav-main a:hover{color:var(--text);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--primary);font-weight:600;}
.nav-main a.is-active::after{transform:scaleX(1);}
.header-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:16px;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 10px 0 12px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  width:224px;
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.search-box:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(255,74,28,.12);
}
.search-box svg{flex-shrink:0;color:var(--meta);}
.search-box input{
  border:0;outline:0;background:transparent;
  width:100%;
  font-size:.875rem;
}
.search-box input::placeholder{color:var(--meta);}
.kbd{
  font-family:var(--font-num);
  font-size:.6875rem;
  padding:2px 6px;
  border-radius:6px;
  background:#EFEDE9;
  color:var(--muted);
  flex-shrink:0;
}
.link-quick{
  font-size:.875rem;
  color:var(--muted);
  font-weight:500;
  transition:color var(--t-fast) var(--ease);
}
.link-quick:hover{color:var(--primary);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:10px;
  font-size:.9375rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--t-mid) var(--ease),color var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-lift);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-card);}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--line);}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);}
.btn-ghost{background:transparent;color:var(--primary);padding:0;height:auto;}
.btn-ghost .arrow{transition:transform var(--t-fast) var(--ease);display:inline-block;}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 18px;font-size:.875rem;}
.btn-block{width:100%;}

.burger{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.burger span{
  display:block;width:16px;height:1.5px;background:var(--text);
  position:relative;
}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--text);
}
.burger span::before{top:-5px;}
.burger span::after{top:5px;}

.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:var(--page);
  padding:24px 24px 40px;
  transform:translateY(24px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),visibility var(--t-mid);
  overflow-y:auto;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface);
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.125rem;color:var(--muted);
}
.drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:28px;}
.drawer nav a{
  padding:14px 4px;
  font-size:1.0625rem;
  font-weight:600;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer nav a.is-active{color:var(--primary);}
.drawer nav a span{color:var(--meta);font-weight:400;}
.drawer .search-box{width:100%;margin-bottom:20px;}

/* ============ SECTIONS ============ */
.section{padding:110px 0;}
.section-tight{padding:88px 0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.75rem;
  letter-spacing:.02em;
  font-weight:600;
  color:var(--ink);
  background:rgba(43,27,77,.08);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.75rem;
  letter-spacing:.02em;
  font-weight:600;
  padding:5px 12px;
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.badge-ink{background:rgba(43,27,77,.08);color:var(--ink);}
.badge-time{background:var(--accent);color:#231A00;}
.badge-time .pulse{
  width:6px;height:6px;border-radius:50%;background:#231A00;
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.28;}}
.badge-ok{background:rgba(31,157,107,.10);color:var(--success);}
.badge-soon{background:rgba(224,102,43,.10);color:var(--warn);}

h1.display{
  font-size:clamp(2.25rem,5.2vw,4rem);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.02em;
}
h2.sec-title{
  font-size:clamp(1.6rem,3vw,2.25rem);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.01em;
}
h3{font-size:1.25rem;line-height:1.5;font-weight:600;}
.lead{font-size:1.0625rem;line-height:1.9;color:var(--muted);}
.meta{font-size:.8125rem;letter-spacing:.02em;color:var(--meta);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head p{color:var(--muted);max-width:520px;margin-top:12px;}

/* ============ HERO (不对称) ============ */
.hero-wrap{padding:72px 0 24px;}
.hero-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.hero-copy h1{margin:20px 0 20px;}
.hero-copy .lead{max-width:400px;}
.point-list{margin-top:34px;border-top:1px solid var(--line);}
.point-list li{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.point-list .idx{
  font-family:var(--font-num);
  font-size:.875rem;
  font-weight:700;
  color:var(--primary);
  padding-top:2px;
}
.point-list .pt-title{font-weight:600;font-size:1rem;}
.point-list .pt-desc{font-size:.9375rem;color:var(--muted);line-height:1.8;margin-top:4px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-visual{position:relative;}
.hero-frame{
  border-radius:var(--r-lg);
  overflow:hidden;
  position:relative;
  aspect-ratio:16/11;
  background:#E9E6E1;
  border:1px solid var(--line);
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(246,244,241,.55) 0%,rgba(246,244,241,0) 46%);
  pointer-events:none;
}
.float-card{
  position:absolute;
  right:-14px;
  bottom:-26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 24px;
  box-shadow:var(--sh-lift);
  min-width:216px;
}
.float-card .fc-label{font-size:.75rem;letter-spacing:.02em;color:var(--meta);font-weight:600;}
.float-card .fc-num{
  font-family:var(--font-num);
  font-size:2.25rem;
  font-weight:800;
  line-height:1.1;
  color:var(--primary);
  margin-top:6px;
}
.float-card .fc-sub{font-size:.8125rem;color:var(--muted);margin-top:4px;}

/* ============ 2x2 要点块 ============ */
.grid2x2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:16px;
}
.feature-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px;
  transition:border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),transform var(--t-mid) var(--ease);
}
.feature-block:nth-child(2){transform:translateY(28px);}
.feature-block:nth-child(4){transform:translateY(28px);}
.feature-block:hover{
  border-color:rgba(255,74,28,.35);
  box-shadow:var(--sh-lift);
  transform:translateY(-3px);
}
.feature-block:nth-child(2):hover{transform:translateY(25px);}
.feature-block:nth-child(4):hover{transform:translateY(25px);}
.fb-icon{
  width:44px;height:44px;
  border-radius:10px;
  background:rgba(255,74,28,.08);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.fb-title{font-size:1.0625rem;font-weight:700;margin-bottom:8px;}
.fb-desc{font-size:.9375rem;color:var(--muted);line-height:1.8;}

/* ============ 步骤条 ============ */
.steps-band{
  background:var(--deep);
  color:#fff;
  border-radius:var(--r-lg);
  padding:52px 48px;
}
.steps-line{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  position:relative;
  margin-top:36px;
}
.steps-line::before{
  content:"";
  position:absolute;
  left:0;right:0;top:22px;
  height:1px;
  background:rgba(255,255,255,.14);
}
.step{position:relative;padding-top:0;}
.step .dot{
  width:44px;height:44px;
  border-radius:50%;
  background:var(--deep);
  border:1px solid rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-size:.875rem;
  font-weight:700;
  color:var(--primary);
  position:relative;
  z-index:1;
  margin-bottom:20px;
}
.step .st-title{font-weight:600;font-size:1rem;margin-bottom:8px;}
.step .st-desc{font-size:.875rem;line-height:1.75;color:rgba(255,255,255,.62);}

/* ============ FAQ ============ */
.faq-list{max-width:820px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  background:transparent;
  border:0;
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  font-size:1rem;
  font-weight:600;
  cursor:pointer;
  color:var(--text);
}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.faq-icon{
  flex-shrink:0;
  width:24px;height:24px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  transition:transform var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease);
}
.faq-icon svg{transition:inherit;}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--primary);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height var(--t-enter) var(--ease);
}
.faq-a p{
  font-size:.9375rem;
  line-height:1.8;
  color:var(--muted);
  padding:0 0 22px;
  max-width:660px;
}

/* ============ CTA 返回 ============ */
.back-cta{
  margin-top:52px;
  padding:28px 32px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.back-cta .bc-title{font-weight:700;font-size:1.0625rem;}
.back-cta .bc-sub{font-size:.875rem;color:var(--muted);margin-top:4px;}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:#fff;padding:76px 0 0;margin-top:0;}
.site-footer .top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:44px;
  padding-bottom:56px;
}
.site-footer .brand-text{color:#fff;}
.site-footer .footer-note{
  font-size:.875rem;
  line-height:1.85;
  color:rgba(255,255,255,.58);
  margin-top:18px;
  max-width:320px;
}
.footer-col h4{
  font-size:.8125rem;
  letter-spacing:.08em;
  font-weight:700;
  color:rgba(255,255,255,.44);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li,.footer-col a{font-size:.875rem;color:rgba(255,255,255,.78);}
.footer-col a{transition:color var(--t-fast) var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:26px 0 34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:rgba(255,255,255,.5);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1023px){
  .nav-main{display:none;}
  .search-box{display:none;}
  .link-quick{display:none;}
  .burger{display:flex;}
  .header-right{gap:12px;}
  .hero-grid{grid-template-columns:1fr;gap:56px;}
  .hero-copy .lead{max-width:none;}
  .float-card{right:16px;bottom:-22px;}
  .steps-line{grid-template-columns:1fr 1fr;gap:36px 28px;}
  .steps-line::before{display:none;}
  .site-footer .top{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;}
  .section-tight{padding:64px 0;}
  .hero-wrap{padding:48px 0 16px;}
  .grid2x2{grid-template-columns:1fr;gap:20px;}
  .feature-block:nth-child(2),.feature-block:nth-child(4){transform:none;}
  .feature-block:nth-child(2):hover,.feature-block:nth-child(4):hover{transform:translateY(-3px);}
  .steps-band{padding:36px 28px;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:32px;}
}
@media (max-width:519px){
  .container{padding-left:20px;padding-right:20px;}
  .header-inner{height:68px;}
  .brand-text{font-size:.9375rem;}
  .hero-frame{aspect-ratio:4/3;}
  .float-card{position:static;margin-top:18px;right:auto;bottom:auto;box-shadow:var(--sh-card);}
  .steps-line{grid-template-columns:1fr;}
  .back-cta{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .back-cta .btn{width:auto;}
  .site-footer .top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
    --primary:#FF4A1C;
    --primary-deep:#D93A11;
    --ink:#2B1B4D;
    --accent:#F5D547;
    --page:#F6F4F1;
    --deep:#111014;
    --surface:#FFFFFF;
    --line:#E6E2DC;
    --text:#141118;
    --muted:#5A5560;
    --meta:#8B8590;
    --ok:#1F9D6B;
    --warn:#E0662B;
    --err:#C93B2B;
    --r-sm:8px;
    --r-md:14px;
    --r-lg:20px;
    --r-pill:999px;
    --sh-card:0 1px 2px rgba(20,17,24,.04),0 10px 28px rgba(20,17,24,.06);
    --sh-lift:0 2px 6px rgba(20,17,24,.06),0 18px 40px rgba(20,17,24,.10);
    --ease:cubic-bezier(.22,1,.36,1);
  }
  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
  body{
    margin:0;
    background:var(--page);
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{ margin:0; color:var(--text); }
  p{ margin:0; }
  a{ color:inherit; text-decoration:none; }
  img{ max-width:100%; display:block; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  button,input,select,textarea{ font:inherit; color:inherit; }
  ::selection{ background:rgba(255,74,28,.16); }

  .container{ width:100%; max-width:1240px; margin:0 auto; padding:0 32px; }
  @media (max-width:1024px){ .container{ padding:0 24px; } }
  @media (max-width:640px){ .container{ padding:0 20px; } }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky; top:0; z-index:50;
    background:rgba(246,244,241,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:border-color 240ms var(--ease), box-shadow 240ms var(--ease);
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 1px 2px rgba(20,17,24,.04);
  }
  .header-inner{
    display:flex; align-items:center; gap:20px;
    height:78px;
    transition:height 240ms var(--ease);
  }
  .site-header.is-scrolled .header-inner{ height:70px; }

  .brand{ display:inline-flex; align-items:center; gap:10px; flex:none; }
  .brand-mark{
    position:relative; width:24px; height:24px; flex:none;
    border-radius:6px; background:var(--primary);
  }
  .brand-mark::after{
    content:""; position:absolute; right:-4px; bottom:-4px;
    width:11px; height:11px; border-radius:3px; background:var(--page);
  }
  .brand-text{ font-size:1.0625rem; font-weight:800; letter-spacing:-.01em; white-space:nowrap; }
  .brand-text span{ color:var(--primary); }

  .nav-main{ display:flex; align-items:center; gap:2px; margin-left:10px; }
  .nav-main a{
    position:relative; padding:9px 12px;
    font-size:.9375rem; font-weight:500; color:var(--muted);
    border-radius:var(--r-sm);
    transition:color 180ms var(--ease);
  }
  .nav-main a::after{
    content:""; position:absolute; left:12px; right:12px; bottom:3px; height:2px;
    background:var(--primary); transform:scaleX(0); transform-origin:left;
    transition:transform 180ms var(--ease);
  }
  .nav-main a:hover{ color:var(--text); }
  .nav-main a:hover::after{ transform:scaleX(1); }
  .nav-main a.is-active{ color:var(--primary); font-weight:600; }
  .nav-main a.is-active::after{ transform:scaleX(1); }

  .header-actions{ margin-left:auto; display:flex; align-items:center; gap:14px; }
  .cmd-search{
    display:flex; align-items:center; gap:8px;
    width:250px; height:40px; padding:0 10px 0 12px;
    background:var(--surface);
    border:1px solid var(--line); border-radius:10px;
    transition:border-color 160ms var(--ease), box-shadow 160ms var(--ease);
  }
  .cmd-search:focus-within{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(255,74,28,.12);
  }
  .cmd-search svg{ flex:none; color:var(--meta); }
  .cmd-search input{
    width:100%; border:0; outline:0; background:transparent;
    font-size:.875rem; line-height:1;
  }
  .cmd-search input::placeholder{ color:var(--meta); }
  .kbd{
    flex:none;
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:.6875rem; color:var(--meta);
    background:#F0EDE9; border:1px solid var(--line);
    border-radius:6px; padding:2px 6px; line-height:1.4;
  }
  .quick-link{ font-size:.875rem; color:var(--muted); transition:color 160ms var(--ease); }
  .quick-link:hover{ color:var(--primary); }

  .nav-toggle{
    display:none; align-items:center; justify-content:center;
    width:40px; height:40px; border:1px solid var(--line); border-radius:10px;
    background:var(--surface); cursor:pointer;
    transition:border-color 160ms var(--ease);
  }
  .nav-toggle:hover{ border-color:var(--primary); }
  .nav-toggle span{ display:block; width:16px; height:1.5px; background:var(--text); position:relative; }
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:""; position:absolute; left:0; width:16px; height:1.5px; background:var(--text);
  }
  .nav-toggle span::before{ top:-5px; }
  .nav-toggle span::after{ top:5px; }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:48px; padding:0 24px;
    border:1px solid transparent; border-radius:10px;
    font-size:.9375rem; font-weight:600; line-height:1;
    cursor:pointer; white-space:nowrap;
    transition:background-color 240ms var(--ease), color 240ms var(--ease),
               border-color 240ms var(--ease), transform 240ms var(--ease),
               box-shadow 240ms var(--ease);
  }
  .btn-primary{ background:var(--primary); color:#fff; }
  .btn-primary:hover{ background:var(--primary-deep); transform:translateY(-2px); box-shadow:var(--sh-lift); }
  .btn-primary:active{ transform:translateY(0); box-shadow:none; }
  .btn-secondary{ background:var(--surface); color:var(--text); border-color:var(--line); }
  .btn-secondary:hover{ border-color:var(--primary); color:var(--primary); }
  .btn-sm{ height:40px; padding:0 18px; font-size:.875rem; }
  .btn:focus-visible,
  .nav-main a:focus-visible,
  .nav-toggle:focus-visible,
  .site-footer a:focus-visible,
  .faq-item summary:focus-visible{
    outline:2px solid var(--primary); outline-offset:2px;
  }
  .link-arrow{
    display:inline-flex; align-items:center; gap:6px;
    color:var(--primary); font-size:.9375rem; font-weight:600;
    transition:color 160ms var(--ease);
  }
  .link-arrow span{ transition:transform 160ms var(--ease); }
  .link-arrow:hover span{ transform:translateX(4px); }

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex; align-items:center; gap:6px;
    padding:5px 12px; border-radius:var(--r-pill);
    font-size:.75rem; font-weight:600; letter-spacing:.02em;
    white-space:nowrap;
  }
  .badge-cat{ background:rgba(43,27,77,.08); color:var(--ink); }
  .badge-ok{ background:rgba(31,157,107,.1); color:var(--ok); }
  .badge-neutral{ background:rgba(139,133,144,.14); color:var(--muted); }
  .badge-time{ background:var(--accent); color:#2B1B4D; }
  .badge-time::before{
    content:""; width:6px; height:6px; border-radius:50%;
    background:#2B1B4D; animation:breathe 2s var(--ease) infinite;
  }
  @keyframes breathe{ 0%,100%{ opacity:1; } 50%{ opacity:.35; } }

  /* ---------- Hero ---------- */
  .hero{ padding:72px 0 56px; }
  .hero-grid{
    display:grid; grid-template-columns:1.08fr .92fr;
    gap:56px; align-items:start;
  }
  .hero-title{
    margin:20px 0 0;
    font-size:clamp(2rem,4.2vw,3.05rem);
    font-weight:800; line-height:1.12; letter-spacing:-.02em;
  }
  .hero-lead{
    margin-top:18px;
    font-size:1.125rem; font-weight:600; line-height:1.6; color:var(--ink);
  }
  .hero-text{
    margin-top:16px; max-width:60ch;
    font-size:1.0625rem; line-height:1.9; color:var(--muted);
  }
  .hero-actions{ margin-top:32px; display:flex; flex-wrap:wrap; gap:14px; }
  .hero-side{ display:grid; gap:22px; }
  .filter-bar{
    background:var(--surface); border:1px solid var(--line);
    border-radius:var(--r-md); padding:22px; box-shadow:var(--sh-card);
  }
  .filter-label{
    display:block; font-size:.75rem; letter-spacing:.06em;
    color:var(--meta); text-transform:uppercase; margin-bottom:14px;
  }
  .chips{ display:flex; flex-wrap:wrap; gap:10px; }
  .chip{
    display:inline-flex; align-items:center; height:34px; padding:0 15px;
    border-radius:var(--r-pill); border:1px solid var(--line);
    background:var(--surface); color:var(--muted); font-size:.8125rem;
    transition:border-color 160ms var(--ease), color 160ms var(--ease);
  }
  .chip.is-on{ border-color:var(--primary); color:var(--primary); background:rgba(255,74,28,.06); font-weight:600; }
  .hero-figure{
    margin:0; border-radius:var(--r-md); overflow:hidden;
    border:1px solid var(--line); background:var(--surface);
  }
  .hero-figure img{
    width:100%; aspect-ratio:16/10; object-fit:cover;
    transition:transform 420ms var(--ease);
  }
  .hero-figure:hover img{ transform:scale(1.03); }

  /* ---------- 数字条 ---------- */
  .stats-band{
    position:relative;
    background-color:var(--ink);
    background-image:linear-gradient(rgba(43,27,77,.94),rgba(43,27,77,.94)),
                     url('/assets/images/backpic/back-2.webp');
    background-size:cover; background-position:center;
    color:#fff; padding:60px 0;
  }
  .stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); }
  .stat{ padding:0 30px; border-left:1px solid rgba(255,255,255,.16); }
  .stat:first-child{ border-left:0; padding-left:0; }
  .stat-num{
    display:block; font-size:2.5rem; font-weight:800; line-height:1.05;
    font-variant-numeric:tabular-nums; color:#fff;
  }
  .stat-label{ display:block; margin-top:10px; font-size:.9375rem; font-weight:600; color:#fff; }
  .stat-note{ display:block; margin-top:6px; font-size:.8125rem; line-height:1.7; color:rgba(255,255,255,.6); }

  /* ---------- 通用板块 ---------- */
  .section{ padding:96px 0; }
  .section-tight{ padding:72px 0 96px; }
  .section-head{ max-width:820px; }
  .section-head h2{
    font-size:clamp(1.6rem,3vw,2.25rem);
    font-weight:700; line-height:1.2; letter-spacing:-.01em;
  }
  .section-head p{ margin-top:12px; color:var(--muted); font-size:1rem; line-height:1.8; max-width:62ch; }
  .section-head.between{
    display:flex; align-items:flex-end; justify-content:space-between;
    gap:24px; max-width:none;
  }

  /* ---------- 双栏对照 ---------- */
  .compare-grid{
    display:grid; grid-template-columns:1fr 1px 1fr;
    margin-top:48px;
  }
  .compare-col{ padding:0 44px; }
  .compare-col:first-child{ padding-left:0; }
  .compare-col:last-child{ padding-right:0; }
  .compare-divider{ background:var(--line); }
  .compare-col h3{
    font-size:1.25rem; font-weight:600; line-height:1.5;
    padding-bottom:16px; border-bottom:1px solid var(--line);
  }
  .info-item{
    display:grid; grid-template-columns:44px 1fr; gap:16px;
    padding:20px 0; border-bottom:1px solid var(--line);
  }
  .info-no{
    font-size:.875rem; font-weight:700; letter-spacing:.02em;
    color:var(--primary); font-variant-numeric:tabular-nums; padding-top:3px;
  }
  .info-title{ font-size:1rem; font-weight:600; line-height:1.6; }
  .info-text{ margin-top:6px; font-size:.9375rem; line-height:1.8; color:var(--muted); }

  /* ---------- 清单条目 ---------- */
  .entry-list{ margin-top:44px; border-top:1px solid var(--line); }
  .entry{
    display:grid; grid-template-columns:64px 1fr auto;
    gap:24px; align-items:start;
    padding:26px 18px; margin:0 -18px;
    border-bottom:1px solid var(--line);
    transition:background-color 160ms var(--ease);
  }
  .entry:hover{ background:#FBFAF8; }
  .entry-no{
    font-size:1rem; font-weight:700; letter-spacing:.04em;
    color:var(--primary); font-variant-numeric:tabular-nums; padding-top:3px;
  }
  .entry-body h3{ font-size:1.125rem; font-weight:600; line-height:1.6; }
  .entry-body p{ margin-top:8px; font-size:.9375rem; line-height:1.8; color:var(--muted); max-width:64ch; }
  .entry-meta{ margin-top:12px; display:flex; flex-wrap:wrap; gap:10px; }
  .entry-tag{ font-size:.8125rem; color:var(--meta); letter-spacing:.02em; }
  .entry-state{ padding-top:2px; }

  /* ---------- FAQ ---------- */
  .faq-list{ margin-top:44px; max-width:820px; }
  .faq-item{ border-bottom:1px solid var(--line); }
  .faq-item summary{
    display:flex; align-items:center; justify-content:space-between; gap:20px;
    padding:22px 4px; cursor:pointer; list-style:none;
    font-size:1.0625rem; font-weight:600; line-height:1.6;
    transition:color 160ms var(--ease);
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary:hover{ color:var(--primary); }
  .faq-icon{ position:relative; width:16px; height:16px; flex:none; }
  .faq-icon::before,
  .faq-icon::after{
    content:""; position:absolute; left:50%; top:50%;
    background:var(--primary); border-radius:2px;
    transition:transform 240ms var(--ease), opacity 240ms var(--ease);
  }
  .faq-icon::before{ width:14px; height:2px; transform:translate(-50%,-50%); }
  .faq-icon::after{ width:2px; height:14px; transform:translate(-50%,-50%); }
  .faq-item[open] .faq-icon::after{ transform:translate(-50%,-50%) rotate(90deg); opacity:0; }
  .faq-answer{
    padding:0 4px 24px;
    font-size:.9375rem; line-height:1.8; color:var(--muted); max-width:70ch;
  }

  /* ---------- 窄幅 CTA ---------- */
  .cta-section{ padding:8px 0 104px; }
  .cta-bar{
    max-width:980px; margin:0 auto;
    display:flex; align-items:center; justify-content:space-between; gap:32px;
    padding:32px 40px;
    background:var(--surface);
    border:1px solid var(--primary); border-radius:var(--r-lg);
  }
  .cta-bar h2{
    font-size:clamp(1.25rem,2vw,1.5rem);
    font-weight:700; line-height:1.35;
  }
  .cta-bar p{ margin-top:8px; font-size:.9375rem; line-height:1.75; color:var(--muted); }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--ink); color:#fff; padding:76px 0 0; }
  .site-footer .top{
    display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:40px; padding-bottom:52px;
  }
  .site-footer .brand-text{ color:#fff; }
  .site-footer .brand-mark::after{ background:var(--ink); }
  .footer-note{
    margin-top:16px; max-width:34ch;
    font-size:.9375rem; line-height:1.85; color:rgba(255,255,255,.62);
  }
  .footer-col h4{ font-size:.9375rem; font-weight:700; color:#fff; margin-bottom:16px; }
  .footer-col ul{ display:grid; gap:11px; }
  .footer-col a{ font-size:.9375rem; color:rgba(255,255,255,.72); transition:color 160ms var(--ease); }
  .footer-col a:hover{ color:var(--accent); }
  .footer-col li{ font-size:.9375rem; line-height:1.7; color:rgba(255,255,255,.62); }
  .footer-bottom{
    display:flex; flex-wrap:wrap; justify-content:space-between; gap:14px;
    padding:22px 0; border-top:1px solid rgba(255,255,255,.14);
    font-size:.8125rem; letter-spacing:.02em; color:rgba(255,255,255,.55);
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer{
    position:fixed; inset:0; z-index:70;
    background:var(--page); padding:24px 20px 32px;
    display:flex; flex-direction:column; gap:24px;
    opacity:0; transform:translateY(14px); pointer-events:none;
    transition:opacity 240ms var(--ease), transform 240ms var(--ease);
    overflow-y:auto;
  }
  .drawer[hidden]{ display:none; }
  .drawer.is-open{ opacity:1; transform:none; pointer-events:auto; }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; gap:16px; }
  .drawer-close{
    width:40px; height:40px; border:1px solid var(--line); border-radius:10px;
    background:var(--surface); cursor:pointer; font-size:1.125rem; line-height:1;
    color:var(--muted);
  }
  .drawer-nav{ display:grid; gap:4px; }
  .drawer-nav a{
    padding:14px 4px; font-size:1.0625rem; font-weight:600;
    border-bottom:1px solid var(--line); color:var(--text);
  }
  .drawer-nav a.is-active{ color:var(--primary); }
  .drawer-search{
    display:flex; align-items:center; gap:10px;
    height:48px; padding:0 14px;
    background:var(--surface); border:1px solid var(--line); border-radius:10px;
  }
  .drawer-search input{ width:100%; border:0; outline:0; background:transparent; font-size:.9375rem; }
  .drawer-actions{ display:grid; gap:12px; }
  .drawer-actions .btn{ width:100%; }

  /* ---------- 响应式 ---------- */
  @media (max-width:1180px){
    .cmd-search{ width:200px; }
  }
  @media (max-width:1023px){
    .nav-main,.cmd-search,.quick-link{ display:none; }
    .nav-toggle{ display:inline-flex; }
    .hero{ padding:56px 0 40px; }
    .hero-grid{ grid-template-columns:1fr; gap:40px; }
    .section{ padding:72px 0; }
    .section-tight{ padding:56px 0 72px; }
    .stats-grid{ grid-template-columns:repeat(2,1fr); row-gap:36px; }
    .stat{ padding:0 24px; }
    .stat:nth-child(3){ border-left:0; padding-left:0; }
    .compare-col{ padding:0 28px; }
  }
  @media (max-width:900px){
    .compare-grid{ grid-template-columns:1fr; }
    .compare-col{ padding:0; }
    .compare-divider{ height:1px; margin:32px 0; }
    .entry{ grid-template-columns:44px 1fr; gap:18px; padding:24px 12px; margin:0 -12px; }
    .entry-state{ grid-column:2; padding-top:0; }
  }
  @media (max-width:768px){
    .section-head.between{ flex-direction:column; align-items:flex-start; }
    .cta-bar{ flex-direction:column; align-items:flex-start; padding:28px 24px; }
    .cta-bar .btn{ width:100%; }
    .site-footer .top{ grid-template-columns:1fr 1fr; gap:32px; padding-bottom:40px; }
  }
  @media (max-width:640px){
    .header-inner{ height:68px; gap:12px; }
    .brand-text{ font-size:1rem; }
    .hero-actions .btn{ width:100%; }
    .stats-grid{ grid-template-columns:1fr; row-gap:28px; }
    .stat{ padding:0; border-left:0; border-top:1px solid rgba(255,255,255,.16); padding-top:20px; }
    .stat:first-child{ border-top:0; padding-top:0; }
    .site-footer .top{ grid-template-columns:1fr; }
    .info-item{ grid-template-columns:34px 1fr; gap:12px; }
    .entry{ padding:22px 8px; margin:0 -8px; }
    .section{ padding:56px 0; }
    .cta-section{ padding:8px 0 72px; }
  }
  @media (prefers-reduced-motion:reduce){
    *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  }

/* roulang page: category3 */
:root{
    --primary:#FF4A1C;
    --primary-deep:#D93A11;
    --ink:#2B1B4D;
    --accent:#F5D547;
    --page:#F6F4F1;
    --deep:#111014;
    --surface:#FFFFFF;
    --line:#E6E2DC;
    --text:#141118;
    --muted:#5A5560;
    --meta:#8B8590;
    --success:#1F9D6B;
    --warn:#E0662B;
    --error:#C93B2B;
    --r-sm:8px;
    --r-md:14px;
    --r-lg:20px;
    --sh-card:0 1px 2px rgba(20,17,24,.04), 0 10px 28px rgba(20,17,24,.06);
    --sh-lift:0 2px 6px rgba(20,17,24,.06), 0 18px 40px rgba(20,17,24,.10);
    --ease:cubic-bezier(.22,1,.36,1);
    --gap:24px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--page);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  ul,ol{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
  p{margin:0}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
  @media (max-width:1024px){.container{padding:0 24px}}
  @media (max-width:640px){.container{padding:0 20px}}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,241,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease);
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 6px 18px rgba(20,17,24,.05);
  }
  .header-inner{
    display:flex;align-items:center;gap:22px;
    height:74px;transition:height 240ms var(--ease);
  }
  .site-header.is-scrolled .header-inner{height:66px}

  .brand{display:inline-flex;align-items:center;gap:10px;flex:none}
  .brand-mark{
    width:24px;height:24px;border-radius:6px;background:var(--primary);
    position:relative;flex:none;
  }
  .brand-mark::after{
    content:"";position:absolute;right:0;bottom:0;width:11px;height:11px;
    background:var(--page);border-top-left-radius:4px;
  }
  .brand-text{
    font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;white-space:nowrap;
  }
  .brand-text span{color:var(--primary)}

  .nav-main{display:flex;align-items:center;gap:26px;margin-left:6px}
  .nav-main a{
    position:relative;font-size:.9375rem;font-weight:500;color:var(--muted);
    padding:6px 0;white-space:nowrap;transition:color 180ms var(--ease);
  }
  .nav-main a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
    background:var(--primary);transform:scaleX(0);transform-origin:left;
    transition:transform 180ms var(--ease);
  }
  .nav-main a:hover{color:var(--text)}
  .nav-main a:hover::after{transform:scaleX(1)}
  .nav-main a.is-active{color:var(--primary);font-weight:600}
  .nav-main a.is-active::after{transform:scaleX(1)}

  .header-right{margin-left:auto;display:flex;align-items:center;gap:14px}
  .search-box{
    display:flex;align-items:center;gap:8px;
    height:40px;padding:0 10px 0 12px;min-width:236px;
    background:var(--surface);border:1px solid var(--line);border-radius:10px;
    transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease);
  }
  .search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,74,28,.12)}
  .search-box svg{flex:none;color:var(--meta)}
  .search-box input{
    border:0;outline:0;background:transparent;width:100%;
    font-size:.875rem;line-height:1;
  }
  .search-box input::placeholder{color:var(--meta)}
  .kbd{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    font-size:.6875rem;color:var(--meta);background:#EFEBE6;
    border-radius:6px;padding:2px 6px;flex:none;
  }
  .quick-link{
    font-size:.875rem;color:var(--muted);transition:color 160ms var(--ease);
    white-space:nowrap;
  }
  .quick-link:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;
    font-size:.9375rem;font-weight:600;cursor:pointer;
    transition:background-color 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);
  }
  .btn-primary{background:var(--primary);color:#fff}
  .btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-lift)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-card)}
  .btn-secondary{background:var(--surface);border-color:var(--line);color:var(--text)}
  .btn-secondary:hover{border-color:var(--primary);color:var(--primary)}
  .btn-light{background:transparent;border-color:rgba(255,255,255,.24);color:#fff}
  .btn-light:hover{border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
  .btn-ghost{background:transparent;color:var(--primary);padding:0;height:auto}
  .btn-ghost .arrow{transition:transform 160ms var(--ease)}
  .btn-ghost:hover .arrow{transform:translateX(4px)}
  .btn-sm{height:40px;padding:0 18px;font-size:.875rem}
  .btn-block{width:100%}

  .menu-toggle{
    display:none;width:40px;height:40px;border:1px solid var(--line);
    background:var(--surface);border-radius:10px;cursor:pointer;
    align-items:center;justify-content:center;flex:none;
  }
  .menu-toggle span{display:block;width:16px;height:1.5px;background:var(--text);position:relative}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--text);
  }
  .menu-toggle span::before{top:-5px}
  .menu-toggle span::after{top:5px}

  .mobile-drawer{
    position:fixed;inset:0;z-index:80;background:var(--page);
    padding:24px 20px 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(14px);
    transition:opacity 240ms var(--ease),transform 240ms var(--ease),visibility 240ms var(--ease);
  }
  .mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
  .drawer-close{
    width:40px;height:40px;border:1px solid var(--line);background:var(--surface);
    border-radius:10px;cursor:pointer;font-size:1.125rem;line-height:1;
  }
  .drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:24px}
  .drawer-nav a{
    font-size:1.0625rem;font-weight:600;padding:14px 4px;
    border-bottom:1px solid var(--line);transition:color 160ms var(--ease);
  }
  .drawer-nav a.is-active{color:var(--primary)}
  .drawer-search{
    display:flex;align-items:center;gap:8px;height:48px;padding:0 14px;
    border:1px solid var(--line);border-radius:10px;background:var(--surface);margin-bottom:20px;
  }
  .drawer-search input{border:0;outline:0;background:transparent;width:100%;font-size:.9375rem}

  /* ---------- 通用版式 ---------- */
  .section{padding:clamp(56px,8vw,104px) 0}
  .section-tight{padding:clamp(40px,6vw,72px) 0}
  .h1{font-size:clamp(2.1rem,5.2vw,3.4rem);font-weight:800;line-height:1.1;letter-spacing:-.02em}
  .h2{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700;line-height:1.2;letter-spacing:-.01em}
  .h3{font-size:1.25rem;font-weight:600;line-height:1.5}
  .lead{color:var(--muted);font-size:1.0625rem;line-height:1.85}
  .meta{font-size:.8125rem;letter-spacing:.02em;color:var(--meta)}
  .num{font-variant-numeric:tabular-nums}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
  .section-head p{max-width:640px}
  .divider{height:1px;background:var(--line);border:0;margin:0}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:.75rem;letter-spacing:.02em;font-weight:500;
    padding:5px 12px;border-radius:999px;
  }
  .badge-ink{background:rgba(43,27,77,.08);color:var(--ink)}
  .badge-accent{background:var(--accent);color:#3B2B00}
  .badge-success{background:rgba(31,157,107,.10);color:var(--success)}
  .badge-dot{
    width:6px;height:6px;border-radius:50%;background:#3B2B00;flex:none;
    animation:pulse 2s infinite;
  }
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--meta);padding-top:28px}
  .breadcrumb a{color:var(--meta);transition:color 160ms var(--ease)}
  .breadcrumb a:hover{color:var(--primary)}
  .breadcrumb .sep{color:var(--line)}
  .breadcrumb .current{color:var(--muted)}

  /* ---------- 首屏 ---------- */
  .hero{padding:34px 0 clamp(48px,7vw,84px)}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
  .hero h1{margin:18px 0 20px}
  .hero-lead{max-width:600px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 34px}
  .trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:22px}
  .trust-item{display:flex;align-items:baseline;gap:10px}
  .trust-item .v{font-size:1.25rem;font-weight:800;color:var(--primary)}
  .trust-item .t{font-size:.875rem;color:var(--muted)}
  .trust-sep{width:1px;height:22px;background:var(--line)}

  .hero-panel{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:28px;box-shadow:var(--sh-card);
  }
  .hero-panel h3{font-size:1.0625rem;font-weight:700;margin-bottom:6px}
  .hero-panel .panel-note{font-size:.875rem;color:var(--muted);margin-bottom:20px}
  .panel-row{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:14px 0;border-top:1px solid var(--line);
  }
  .panel-row:first-of-type{border-top:0;padding-top:0}
  .panel-row .k{font-size:.9375rem;font-weight:600}
  .panel-row .v{font-size:.875rem;color:var(--muted);text-align:right}

  /* ---------- Bento ---------- */
  .bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
  .bento-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    padding:26px;display:flex;flex-direction:column;gap:12px;
    transition:border-color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);
  }
  .bento-card:hover{
    border-color:rgba(255,74,28,.35);transform:translateY(-3px);box-shadow:var(--sh-lift);
  }
  .bento-card p{color:var(--muted);font-size:.9375rem;line-height:1.8}
  .bento-lg{grid-column:span 3;grid-row:span 2;padding:0;overflow:hidden}
  .bento-md{grid-column:span 3}
  .bento-mini{grid-column:span 2;padding:22px}
  .bento-mini h3{font-size:1rem;font-weight:600}
  .bento-mini p{font-size:.875rem}
  .bento-media{aspect-ratio:16/10;overflow:hidden;background:#EDE9E4}
  .bento-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
  .bento-lg:hover .bento-media img{transform:scale(1.03)}
  .bento-body{padding:22px 26px 28px;display:flex;flex-direction:column;gap:12px}
  .stat-row{display:flex;gap:26px;margin-top:6px;flex-wrap:wrap}
  .stat-row .stat .n{font-size:1.375rem;font-weight:800;color:var(--primary)}
  .stat-row .stat .l{font-size:.8125rem;color:var(--meta)}

  .icon-box{
    width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
    background:rgba(43,27,77,.06);color:var(--ink);flex:none;
  }
  .icon-box.orange{background:rgba(255,74,28,.10);color:var(--primary-deep)}

  /* ---------- 自查清单 ---------- */
  .check-wrap{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:10px 32px;box-shadow:var(--sh-card);
  }
  .check-list{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
  .check-item{display:flex;gap:16px;padding:22px 0;border-top:1px solid var(--line)}
  .check-item:nth-child(1),.check-item:nth-child(2){border-top:0}
  .check-num{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    font-size:.8125rem;font-weight:600;color:var(--primary);
    min-width:30px;padding-top:2px;
  }
  .check-body h3{font-size:1rem;font-weight:600;margin-bottom:4px}
  .check-body p{font-size:.9375rem;color:var(--muted);line-height:1.8}

  /* ---------- 深色段 ---------- */
  .band-deep{background:var(--deep);color:#fff;padding:clamp(56px,8vw,96px) 0}
  .band-deep .h2{color:#fff}
  .band-deep .band-note{color:rgba(255,255,255,.62);font-size:1rem;line-height:1.8;max-width:620px}
  .band-head{margin-bottom:40px}
  .band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px}
  .band-step{
    border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:26px;
    transition:border-color 240ms var(--ease),transform 240ms var(--ease);
  }
  .band-step:hover{border-color:rgba(255,74,28,.55);transform:translateY(-3px)}
  .band-step .step-num{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    font-size:1.75rem;font-weight:800;color:var(--primary);
    line-height:1;margin-bottom:16px;display:block;
  }
  .band-step h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px;color:#fff}
  .band-step p{font-size:.9375rem;color:rgba(255,255,255,.66);line-height:1.8}
  .band-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ---------- FAQ ---------- */
  .faq{max-width:820px}
  .faq-item{border-top:1px solid var(--line)}
  .faq-item:last-child{border-bottom:1px solid var(--line)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;cursor:pointer;font-size:1.0625rem;font-weight:600;
    list-style:none;transition:color 160ms var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--primary)}
  .faq-icon{
    width:26px;height:26px;flex:none;border-radius:8px;border:1px solid var(--line);
    display:grid;place-items:center;font-size:.875rem;color:var(--muted);
    transition:transform 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease);
  }
  .faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--primary);border-color:rgba(255,74,28,.4)}
  .faq-body{padding:0 46px 24px 0;font-size:.9375rem;line-height:1.85;color:var(--muted)}

  /* ---------- 表单 ---------- */
  .contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
  .point-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
  .point-item{display:flex;gap:12px;align-items:flex-start}
  .point-item .dash{
    width:18px;height:2px;background:var(--primary);margin-top:12px;flex:none;border-radius:2px;
  }
  .point-item p{font-size:.9375rem;color:var(--muted);line-height:1.8}
  .form-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:32px;box-shadow:var(--sh-card);
  }
  .field{margin-bottom:20px}
  .field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:8px}
  .req{color:var(--primary)}
  .input{
    width:100%;height:48px;padding:0 14px;background:var(--surface);
    border:1px solid var(--line);border-radius:10px;font-size:.9375rem;
    transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease);
  }
  .input::placeholder{color:var(--meta)}
  .input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,74,28,.12)}
  textarea.input{height:auto;min-height:126px;padding:12px 14px;line-height:1.75;resize:vertical}
  .privacy{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px}
  .privacy input{margin-top:5px;accent-color:var(--primary)}
  .privacy span{font-size:.8125rem;color:var(--meta);line-height:1.7}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#fff;padding:72px 0 0;margin-top:clamp(56px,8vw,96px)}
  .site-footer .top{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
    padding-bottom:48px;
  }
  .site-footer .brand{color:#fff}
  .site-footer .brand-mark{background:var(--primary)}
  .site-footer .brand-mark::after{background:var(--ink)}
  .site-footer .brand-text{color:#fff}
  .site-footer .brand-text span{color:var(--accent)}
  .footer-note{
    font-size:.9375rem;color:rgba(255,255,255,.68);
    margin-top:16px;max-width:360px;line-height:1.85;
  }
  .footer-col h4{font-size:.875rem;font-weight:600;margin-bottom:16px;color:rgba(255,255,255,.95)}
  .footer-col li{
    font-size:.9375rem;color:rgba(255,255,255,.68);
    margin-bottom:10px;line-height:1.75;
  }
  .footer-col a{color:rgba(255,255,255,.68);transition:color 160ms var(--ease)}
  .footer-col a:hover{color:var(--accent)}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
    font-size:.8125rem;color:rgba(255,255,255,.55);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1180px){
    .search-box{min-width:190px}
    .nav-main{gap:20px}
  }
  @media (max-width:1024px){
    .nav-main,.search-box,.quick-link{display:none}
    .menu-toggle{display:inline-flex}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .hero-panel{order:2}
    .bento{grid-template-columns:repeat(2,1fr)}
    .bento-lg{grid-column:span 2;grid-row:auto}
    .bento-md{grid-column:span 1}
    .bento-mini{grid-column:span 1}
    .check-list{grid-template-columns:1fr;gap:0}
    .check-item:nth-child(2){border-top:1px solid var(--line)}
    .band-grid{grid-template-columns:1fr;gap:16px}
    .contact-grid{grid-template-columns:1fr;gap:32px}
    .site-footer .top{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:640px){
    .brand-text{font-size:.9375rem}
    .header-cta{display:none}
    .header-inner{height:64px;gap:12px}
    .site-header.is-scrolled .header-inner{height:60px}
    .bento{grid-template-columns:1fr}
    .bento > *{grid-column:auto;grid-row:auto}
    .check-wrap{padding:6px 20px}
    .form-card{padding:24px 20px}
    .site-footer .top{grid-template-columns:1fr}
    .band-actions .btn{width:100%}
    .hero-actions .btn{width:100%}
    .trust-sep{display:none}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px}
    .faq-body{padding-right:0}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  }