/* roulang page: index */
:root{
  --brand:#4B3B8F;
  --brand-dark:#332763;
  --brand-soft:#EDE9F8;
  --brand-hover:#5A48A6;
  --accent:#F2A44B;
  --accent-soft:#FDF0DE;
  --teal:#2FB6A8;
  --danger:#D9534F;
  --ink:#1B1A22;
  --ink-2:#565465;
  --ink-3:#8B8899;
  --line:#E6E3EE;
  --page:#FBFAFD;
  --card:#FFFFFF;
  --night:#14121C;
  --night-2:#1E1B2E;
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,28,.05), 0 2px 8px rgba(20,18,28,.05);
  --sh-2:0 8px 24px rgba(75,59,143,.10);
  --sh-3:0 18px 44px rgba(20,18,28,.14);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--page);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus{outline:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(75,59,143,.30);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){ .container{max-width:1240px;} }

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--night);color:#CFCADD;font-size:13px;line-height:1;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:36px;overflow:hidden;}
.topbar-left{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#CFCADD;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
.topbar-domain{color:#7E7A91;border-left:1px solid #33304A;padding-left:12px;margin-left:4px;}
.topbar-right{display:flex;align-items:center;gap:22px;white-space:nowrap;}
.topbar-link{color:var(--accent);font-weight:600;transition:color .2s ease;}
.topbar-link:hover{color:#F7C084;text-decoration:underline;}
.topbar-note{color:#8B8899;}

/* ---------- 主导航 ---------- */
.mainnav{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.mainnav.is-scrolled{box-shadow:0 6px 20px rgba(20,18,28,.07);}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--ink);flex:none;}
.logo:hover{color:var(--ink);}
.logo-mark{width:36px;height:36px;flex:none;border-radius:11px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;}
.logo-text{font-size:17px;font-weight:500;letter-spacing:.2px;white-space:nowrap;}
.logo-text strong{font-weight:700;color:var(--brand);}
.nav-menu{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  color:var(--ink-2);
  font-size:15.5px;
  white-space:nowrap;
  border-radius:8px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:5px;
  height:3px;border-radius:3px;
  background:transparent;
  transition:background .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{background:var(--line);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{background:var(--brand);}
.nav-cta{margin-left:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:#D6CDEE;}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-scrim{position:fixed;inset:0;background:rgba(20,18,28,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1040;}
.nav-scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-md);
  font-size:16px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-accent{background:var(--accent);border-color:var(--accent);color:var(--night);}
.btn-accent:hover{background:#F5B368;border-color:#F5B368;color:var(--night);transform:translateY(-2px);box-shadow:0 12px 28px rgba(242,164,75,.32);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{color:var(--brand-dark);text-decoration:underline;}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(180deg,#FFFFFF 0%,#F4F1FB 100%);
  padding:70px 0 92px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(75,59,143,.55) 1.2px, transparent 1.3px);
  background-size:34px 34px;
  opacity:.06;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
  min-height:540px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13.5px;
  font-weight:600;
}
.hero h1{
  margin:22px 0 0;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--ink);
}
.hero-sub{
  margin:18px 0 0;
  max-width:560px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;}
.hero-points li{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ink-2);}
.hero-points svg{color:var(--brand);flex:none;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  height:420px;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
}
.hero-stat-card{
  position:absolute;
  left:22px;bottom:24px;
  display:flex;align-items:center;gap:14px;
  padding:16px 22px;
  background:#fff;
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
}
.stat-num{
  font-size:32px;font-weight:700;line-height:1;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13.5px;color:var(--ink-2);line-height:1.5;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:46px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
}
.section-lead{margin-top:14px;font-size:16.5px;color:var(--ink-2);}

/* ---------- 三步上手 ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.steps::before{
  content:"";
  position:absolute;
  top:56px;left:15%;right:15%;
  border-top:1px dashed #D5CFE8;
  z-index:0;
}
.step-card{
  position:relative;
  z-index:1;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:34px 28px 30px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CDEE;}
.step-num{
  width:48px;height:48px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand);
  display:grid;place-items:center;
  font-size:19px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-card h3{margin:22px 0 0;font-size:20px;line-height:1.45;font-weight:600;color:var(--ink);}
.step-card p{margin:12px 0 0;font-size:15.5px;line-height:1.8;color:var(--ink-2);}

/* ---------- 图文优势 ---------- */
.advantage{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;}
.advantage-media img{
  width:100%;
  height:400px;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
}
.advantage-list{display:grid;gap:22px;margin-top:30px;}
.advantage-item{display:flex;gap:16px;align-items:flex-start;}
.advantage-icon{
  width:40px;height:40px;flex:none;
  border-radius:11px;
  background:var(--brand-soft);
  color:var(--brand);
  display:grid;place-items:center;
}
.advantage-item h3{margin:0;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
.advantage-item p{margin:6px 0 0;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- 案例证明 ---------- */
.proof-grid{display:grid;gap:24px;}
.proof-main{
  display:grid;
  grid-template-columns:40% 60%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.proof-main:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.proof-main:hover .proof-media img{transform:scale(1.03);}
.proof-media{overflow:hidden;background:var(--brand-soft);min-height:280px;}
.proof-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.proof-body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.proof-body h3{margin:0;font-size:22px;line-height:1.45;font-weight:600;color:var(--ink);}
.proof-body p{margin:0;font-size:15.5px;line-height:1.85;color:var(--ink-2);}
.proof-highlight{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;}
.proof-sub{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.proof-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.proof-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.proof-card:hover .proof-thumb img{transform:scale(1.03);}
.proof-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.proof-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.proof-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.proof-card-body h3{margin:0;font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);}
.proof-card-body p{margin:0;font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.proof-card-body .link-arrow{margin-top:auto;font-size:14.5px;}
.badge-soft{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item:last-child{margin-bottom:0;}
.faq-item:hover{background:#F7F5FC;}
.faq-item.is-open{background:#fff;border-color:#D9D2EE;box-shadow:inset 3px 0 0 var(--brand), var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  background:none;border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  line-height:1.6;
}
.faq-item.is-open .faq-q{font-weight:700;}
.faq-icon{
  position:relative;
  width:20px;height:20px;flex:none;
  transition:transform .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-icon::before{left:9px;top:2px;width:2px;height:16px;}
.faq-icon::after{top:9px;left:2px;width:16px;height:2px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta{position:relative;background:var(--night);padding:96px 0;overflow:hidden;color:#fff;}
.cta::before{
  content:"";
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.cta::after{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:var(--brand);
  opacity:.85;
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;}
.cta-copy > p{margin-top:16px;font-size:16.5px;line-height:1.9;color:#C6C1D8;max-width:520px;}
.cta-points{display:grid;gap:14px;margin-top:30px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;line-height:1.75;color:#D8D4E6;}
.cta-points svg{color:var(--accent);flex:none;margin-top:4px;}
.form-card{
  background:#fff;
  border-radius:18px;
  box-shadow:var(--sh-3);
  padding:32px;
  color:var(--ink);
}
.form-card h3{margin:0 0 6px;font-size:20px;font-weight:700;color:var(--ink);}
.form-card .form-hint{margin:0 0 22px;font-size:14px;color:var(--ink-3);line-height:1.7;}
.form-row{margin-bottom:16px;}
.field-label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:var(--ink-2);}
.field{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  font-size:15.5px;
  color:var(--ink);
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.field{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
select.field{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23565465' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:40px;
}
.field::placeholder{color:#A9A6B6;}
.field:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(75,59,143,.18);
}
.form-note{margin-top:14px;font-size:12.5px;color:var(--ink-3);line-height:1.75;text-align:left;}
.form-status{
  display:none;
  margin-top:16px;
  padding:12px 14px;
  border-radius:10px;
  font-size:14px;
  line-height:1.7;
}
.form-status.is-ok{display:block;background:#E6F6F4;color:#1E7A70;border:1px solid #BEE7E2;}
.form-status.is-err{display:block;background:#FDECEB;color:#A63934;border:1px solid #F5CFCD;}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;margin-bottom:38px;}
.news-head .section-lead{max-width:640px;}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  color:inherit;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#D6CDEE;color:inherit;}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb-ph{
  width:100%;height:100%;
  display:grid;place-items:center;
  color:var(--brand);
  opacity:.55;
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{
  margin:0;
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-excerpt{
  margin:0;
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.cms-link{color:var(--brand);font-weight:600;white-space:nowrap;}
.news-empty{
  grid-column:1/-1;
  min-height:200px;
  border-radius:var(--r-card);
  background:var(--brand-soft);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:28px;
  text-align:center;
  color:var(--ink-2);
}
.news-empty p{font-size:15px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:#B9B4CC;font-size:14.5px;padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand .logo-text{color:#fff;font-size:17px;}
.footer-brand .logo-text strong{color:#C7B9F5;}
.footer-brand .logo-mark{background:rgba(237,233,248,.12);color:#C7B9F5;}
.footer-desc{margin-top:18px;font-size:14.5px;line-height:1.85;color:#918DA4;max-width:320px;}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:14px;color:#918DA4;}
.footer-title{margin:0 0 18px;font-size:15.5px;font-weight:600;color:#fff;}
.footer-links{display:grid;gap:12px;}
.footer-links a{color:#B9B4CC;font-size:14.5px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid #2A2740;
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;
  color:#8B8899;
}
.footer-bottom span{line-height:1.7;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:46px;height:46px;
  border-radius:50%;
  border:0;
  background:var(--brand);
  color:#fff;
  display:grid;place-items:center;
  box-shadow:var(--sh-2);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease,background .2s ease;
  z-index:1020;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-dark);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:44px;}
  .advantage{gap:40px;}
  .cta-grid{gap:40px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;}
  .hero-visual img{height:320px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .steps::before{display:none;}
  .advantage{grid-template-columns:1fr;gap:32px;}
  .advantage-media img{height:300px;}
  .proof-main{grid-template-columns:1fr;}
  .proof-media{min-height:240px;}
  .proof-body{padding:26px 24px 30px;}
  .proof-sub{grid-template-columns:1fr;}
  .cta{padding:64px 0;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .news-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(320px,84vw);
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:84px 20px 28px;
    transform:translateX(100%);
    transition:transform .28s ease;
    box-shadow:var(--sh-3);
    z-index:1050;
    overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-link{
    height:48px;
    padding:0 6px;
    border-bottom:1px solid var(--line);
    border-radius:0;
    font-size:16px;
    justify-content:flex-start;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--brand-soft);padding-left:14px;border-radius:10px;border-bottom-color:transparent;}
  .nav-cta{margin:22px 0 0;width:100%;}
  .news-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85;}
  .topbar-note{display:none;}
  .topbar-domain{display:none;}
  .topbar-left{font-size:12.5px;}
  .hero h1{font-size:clamp(28px,7vw,34px);}
  .hero-visual img{height:260px;}
  .hero-stat-card{left:14px;bottom:14px;padding:12px 16px;}
  .stat-num{font-size:26px;}
  .form-card{padding:24px 20px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .hero{padding:40px 0 52px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:14px 20px;}
  .news-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .proof-body{padding:22px 20px 26px;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
  .news-head{margin-bottom:28px;}
  .section-head{margin-bottom:32px;}
}

/* roulang page: article */
:root{
  --c-primary:#4B3B8F;
  --c-primary-dark:#332763;
  --c-primary-soft:#EDE9F8;
  --c-accent:#F2A44B;
  --c-accent-soft:#FDF0DE;
  --c-mint:#2FB6A8;
  --c-danger:#D9534F;
  --c-ink:#1B1A22;
  --c-ink-2:#565465;
  --c-ink-3:#8B8899;
  --c-line:#E6E3EE;
  --c-page:#FBFAFD;
  --c-card:#FFFFFF;
  --c-night:#14121C;
  --c-night-2:#1E1B2E;
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,28,.05), 0 2px 8px rgba(20,18,28,.05);
  --sh-2:0 8px 24px rgba(75,59,143,.10);
  --sh-3:0 18px 44px rgba(20,18,28,.14);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-page);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(75,59,143,.30);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-night);
  color:#C9C5DA;
  font-size:13px;
  line-height:36px;
  height:36px;
  overflow:hidden;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--c-mint);flex:none;}
.topbar-left > span:nth-child(2){white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-domain{color:#8B8899;letter-spacing:.4px;white-space:nowrap;}
.topbar-right{display:flex;align-items:center;gap:18px;flex:none;}
.topbar-note{color:#8B8899;}
.topbar-link{color:#FDF0DE;text-decoration:none;border-bottom:1px solid rgba(242,164,75,.5);}
.topbar-link:hover{color:#fff;text-decoration:none;border-bottom-color:#fff;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.mainnav{
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.mainnav.is-scrolled{box-shadow:var(--sh-1);}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-dark));
  color:#F2A44B;display:flex;align-items:center;justify-content:center;flex:none;
  box-shadow:0 6px 16px rgba(75,59,143,.25);
}
.logo-text{font-size:19px;color:var(--c-ink);letter-spacing:.5px;font-weight:400;}
.logo-text strong{color:var(--c-primary);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  padding:0 14px;color:var(--c-ink-2);font-size:15.5px;font-weight:500;
  border-radius:10px;text-decoration:none;
}
.nav-link:hover{color:var(--c-primary);text-decoration:none;background:var(--c-primary-soft);}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:3px;border-radius:3px;
  background:transparent;transition:background-color .25s ease;
}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{background:var(--c-primary);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;
  border-radius:12px;position:relative;cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:20px;height:2px;background:var(--c-ink);border-radius:2px;
  transform:translateX(-50%);transition:.25s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";left:0;transform:none;top:-6px;}
.nav-toggle span::after{content:"";left:0;transform:none;top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.nav-scrim{
  position:fixed;inset:0;background:rgba(20,18,28,.45);opacity:0;visibility:hidden;
  transition:.25s ease;z-index:1020;
}
.nav-scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#5A48A4;color:#fff;box-shadow:var(--sh-2);}
.btn-accent{background:var(--c-accent);color:var(--c-night);}
.btn-accent:hover{background:#F5B465;color:var(--c-night);box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);
  font-weight:600;font-size:15px;text-decoration:none;
}
.btn-link-arrow span{transition:transform .22s ease;}
.btn-link-arrow:hover{text-decoration:none;color:var(--c-primary-dark);}
.btn-link-arrow:hover span{transform:translateX(3px);}
.nav-cta{height:42px;padding:0 18px;font-size:15px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{
  background:var(--c-primary-soft);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb-inner{
  display:flex;align-items:center;gap:10px;height:48px;
  font-size:13.5px;color:var(--c-ink-2);
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
}
.breadcrumb-inner::-webkit-scrollbar{display:none;}
.breadcrumb-inner a{color:var(--c-primary);text-decoration:none;}
.breadcrumb-inner a:hover{text-decoration:underline;}
.breadcrumb-sep{color:var(--c-ink-3);}
.breadcrumb-cur{color:var(--c-primary);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;}

/* ---------- 文章头 ---------- */
.article-hero{
  background:
    radial-gradient(circle at 12% 20%, rgba(255,255,255,.9) 0, rgba(255,255,255,0) 42%),
    linear-gradient(180deg,#FFFFFF 0%, #F4F1FB 100%);
  border-bottom:1px solid var(--c-line);
  padding:52px 0 44px;
  position:relative;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(#4B3B8F 1px, transparent 1px);
  background-size:22px 22px;
}
.article-hero .container{position:relative;z-index:1;}
.article-hero-inner{max-width:860px;}
.article-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  background:var(--c-primary-soft);color:var(--c-primary);
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.3px;
}
.article-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.article-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.35;
  margin:18px 0 0;
  font-weight:700;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  margin-top:18px;font-size:13px;color:var(--c-ink-3);
}
.article-meta .meta-dot{width:4px;height:4px;border-radius:50%;background:#CFCADE;}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 正文布局 ---------- */
.article-section{padding:56px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.article-panel{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:36px 40px 40px;
}
.cms-content{
  max-width:820px;
  font-size:16.5px;
  line-height:1.9;
  color:#25242E;
}
.cms-content > *:first-child{margin-top:0;}
.cms-content p{margin:0 0 1.25em;}
.cms-content h2{
  position:relative;
  font-size:clamp(21px,2.3vw,26px);
  line-height:1.4;
  margin:2em 0 .8em;
  padding-left:16px;
}
.cms-content h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;
  border-radius:3px;background:var(--c-primary);
}
.cms-content h3{font-size:19.5px;line-height:1.5;margin:1.7em 0 .7em;font-weight:600;}
.cms-content h4{font-size:17px;line-height:1.5;margin:1.4em 0 .6em;font-weight:600;color:var(--c-ink-2);}
.cms-content ul,
.cms-content ol{margin:0 0 1.25em;padding-left:0;}
.cms-content ul li,
.cms-content ol li{position:relative;padding-left:22px;margin-bottom:.6em;}
.cms-content ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;
  border-radius:50%;background:var(--c-primary);opacity:.55;
}
.cms-content ol{counter-reset:li;}
.cms-content ol li{counter-increment:li;}
.cms-content ol li::before{
  content:counter(li);position:absolute;left:0;top:.18em;
  color:var(--c-accent);font-weight:700;font-size:14px;
}
.cms-content blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--c-primary-soft);
  border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-ink-2);
}
.cms-content blockquote p:last-child{margin-bottom:0;}
.cms-content img{
  width:100%;height:auto;border-radius:var(--r-md);
  margin:1.6em 0;box-shadow:var(--sh-1);
}
.cms-content figure{margin:1.6em 0;}
.cms-content figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.cms-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.cms-content a:hover{color:var(--c-primary-dark);}
.cms-content strong{font-weight:700;color:var(--c-ink);}
.cms-content hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0;}
.cms-content table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:1.6em 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
}
.cms-content thead th{
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-weight:600;text-align:left;padding:12px 16px;border-bottom:1px solid var(--c-line);
}
.cms-content tbody td{padding:12px 16px;border-bottom:1px solid var(--c-line);color:var(--c-ink-2);}
.cms-content tbody tr:last-child td{border-bottom:0;}
.cms-content pre{
  background:var(--c-night-2);color:#E7E4F2;border-radius:var(--r-md);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.75;margin:1.6em 0;
}
.cms-content code{
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.cms-content pre code{background:transparent;color:inherit;padding:0;}

.article-empty{
  text-align:center;padding:64px 24px;
  background:var(--c-primary-soft);border-radius:var(--r-card);
}
.article-empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  background:#fff;color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.article-empty p{font-size:17px;color:var(--c-ink);font-weight:600;}
.article-empty span{display:block;margin:8px 0 20px;font-size:14px;color:var(--c-ink-2);font-weight:400;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:22px 22px 20px;
}
.side-title{
  font-size:15px;font-weight:700;color:var(--c-ink);
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--c-line);
}
.side-list li + li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--c-line);}
.side-list a{display:block;color:var(--c-ink);font-size:14.5px;line-height:1.6;font-weight:500;}
.side-list a:hover{color:var(--c-primary);text-decoration:none;}
.side-list .side-sub{display:block;margin-top:5px;font-size:12.5px;color:var(--c-ink-3);font-weight:400;}
.side-cta{
  background:var(--c-night);border:0;color:#fff;position:relative;overflow:hidden;
  box-shadow:var(--sh-3);
}
.side-cta::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(75,59,143,0),#6E5CC4,rgba(75,59,143,0));
}
.side-cta h3{color:#fff;font-size:17px;line-height:1.5;}
.side-cta p{margin-top:10px;font-size:13.5px;line-height:1.8;color:#B9B4CC;}
.side-cta .btn{width:100%;margin-top:16px;}
.side-cta .side-note{display:block;margin-top:12px;font-size:12.5px;color:#8B8899;}
.side-cover{border-radius:var(--r-md);overflow:hidden;margin-bottom:14px;}
.side-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 标签 ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line);}
.article-tags .tags-label{font-size:13px;color:var(--c-ink-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  background:var(--c-primary-soft);color:var(--c-primary);
  border-radius:var(--r-pill);font-size:12.5px;font-weight:500;
  transition:background-color .22s ease,color .22s ease;
}
.tag:hover{background:#E0D9F4;color:var(--c-primary-dark);text-decoration:none;}

/* ---------- 相关阅读 ---------- */
.related-section{padding:0 0 72px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.related-head h2{font-size:clamp(20px,2.4vw,26px);}
.related-head p{margin-top:8px;font-size:14px;color:var(--c-ink-2);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.related-card .rc-media{overflow:hidden;background:var(--c-primary-soft);}
.related-card .rc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.related-card:hover .rc-media img{transform:scale(1.03);}
.related-card .rc-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card h3{font-size:16.5px;line-height:1.55;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-card h3 a{color:var(--c-ink);text-decoration:none;}
.related-card h3 a:hover{color:var(--c-primary);}
.related-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.related-card .rc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-ink-3);}

/* ---------- 上下篇 / 继续了解 ---------- */
.pn-section{padding:0 0 72px;}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);}
.pn-item{
  background:var(--c-night);color:#fff;padding:26px 28px;
  display:block;text-decoration:none;transition:background-color .25s ease;
  min-width:0;
}
.pn-item + .pn-item{border-left:1px solid rgba(75,59,143,.55);}
.pn-item:hover{background:var(--c-night-2);text-decoration:none;}
.pn-item .pn-label{display:block;font-size:12.5px;color:#8B8899;margin-bottom:10px;}
.pn-item .pn-title{
  display:block;font-size:16.5px;font-weight:600;color:#fff;line-height:1.6;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.pn-item .pn-hint{display:block;margin-top:8px;font-size:13px;color:#B9B4CC;}
.pn-item.is-next{text-align:right;}

/* ---------- 返回入口 ---------- */
.back-section{padding:0 0 88px;text-align:center;}
.back-section .back-note{margin-top:14px;font-size:13px;color:var(--c-ink-3);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-night);color:#B9B4CC;padding:72px 0 0;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text strong{color:#F2A44B;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:#9C97B2;max-width:320px;}
.footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:#8B8899;}
.footer-title{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links li + li{margin-top:11px;}
.footer-links a{font-size:14px;color:#9C97B2;text-decoration:none;}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12.5px;color:#7E7A91;
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:1040;
  width:46px;height:46px;border-radius:50%;border:0;
  background:var(--c-primary);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.25s ease;
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:#5A48A4;}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:32px;}
  .article-side{position:sticky;top:104px;}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1199.98px){
  .container{padding:0 22px;}
}
@media (max-width:991.98px){
  .mainnav-inner{height:64px;}
  .nav-toggle{display:block;}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:78px 16px 24px;z-index:1035;
    box-shadow:var(--sh-3);
    transform:translateX(102%);transition:transform .25s ease;
    overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-link{height:48px;padding:0 14px;border-bottom:1px solid var(--c-line);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--c-primary-soft);border-radius:8px;}
  .nav-cta{margin-top:18px;width:100%;height:48px;}
  .article-panel{padding:28px 24px 30px;}
  .article-side{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85;}
  .topbar{height:auto;line-height:1.5;}
  .topbar-inner{height:auto;padding-top:8px;padding-bottom:8px;}
  .topbar-left > span:nth-child(2){display:none;}
  .topbar-note{display:none;}
  .article-hero{padding:36px 0 32px;}
  .article-section{padding:36px 0 52px;}
  .related-grid{grid-template-columns:1fr;}
  .related-section,.pn-section{padding-bottom:52px;}
  .back-section{padding-bottom:64px;}
  .pn-grid{grid-template-columns:1fr;}
  .pn-item + .pn-item{border-left:0;border-top:1px solid rgba(75,59,143,.55);}
  .pn-item.is-next{text-align:left;}
  .related-head{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .back-top{right:16px;bottom:18px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .article-title{font-size:26px;}
  .article-panel{padding:22px 18px 24px;}
  .cms-content{font-size:16px;}
  .cms-content table{font-size:14px;}
  .cms-content thead th,.cms-content tbody td{padding:10px 12px;}
  .btn{width:100%;}
  .nav-cta{width:100%;}
}

/* roulang page: category1 */
:root{
  --purple:#4B3B8F;
  --purple-dark:#332763;
  --purple-light:#EDE9F8;
  --orange:#F2A44B;
  --orange-light:#FDF0DE;
  --teal:#2FB6A8;
  --error:#D9534F;
  --ink:#1B1A22;
  --ink-2:#565465;
  --ink-3:#8B8899;
  --line:#E6E3EE;
  --bg:#FBFAFD;
  --white:#FFFFFF;
  --night:#14121C;
  --night-2:#1E1B2E;
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,28,.05),0 2px 8px rgba(20,18,28,.05);
  --sh-2:0 8px 24px rgba(75,59,143,.10);
  --sh-3:0 18px 44px rgba(20,18,28,.14);
  --container:1200px;
  --font: "Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--purple);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease;}
a:hover{color:var(--purple-dark);text-decoration:underline;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(75,59,143,.3);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .container{max-width:1240px;}
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--night);
  color:rgba(255,255,255,.72);
  font-size:13px;
  line-height:1;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:36px;
}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar-left > span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--orange);flex:0 0 6px;}
.topbar-domain{color:rgba(255,255,255,.42);}
.topbar-right{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar-note{color:rgba(255,255,255,.55);}
.topbar-link{color:var(--orange);font-weight:500;}
.topbar-link:hover{color:#ffc076;text-decoration:underline;}

/* ============ 主导航 ============ */
.site-header{position:relative;z-index:1040;}
.mainnav{
  position:sticky;
  top:0;
  z-index:1035;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.mainnav.is-scrolled{box-shadow:var(--sh-1);}
.mainnav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:18px;
  font-weight:600;
  letter-spacing:.3px;
  flex:0 0 auto;
}
.logo:hover{color:var(--ink);text-decoration:none;}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--purple-light);
  color:var(--purple);
  flex:0 0 34px;
}
.logo-text strong{color:var(--purple);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:var(--r-sm);
}
.nav-link:hover{color:var(--purple);text-decoration:none;}
.nav-link.is-active{color:var(--purple);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:3px;border-radius:3px;
  background:var(--purple);
}
.nav-cta{height:44px;padding:0 20px;margin-left:12px;}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--white);
  cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;
  background:var(--ink);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span{position:relative;}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-scrim{
  position:fixed;inset:0;
  background:rgba(20,18,28,.5);
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
  z-index:1050;
}
.nav-scrim.is-open{opacity:1;pointer-events:auto;}
body.nav-locked{overflow:hidden;}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-md);
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--purple);color:#fff;height:48px;padding:0 24px;}
.btn-primary:hover{background:#5a48a6;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;color:var(--purple);border:1.5px solid var(--purple);height:48px;padding:0 22px;}
.btn-ghost:hover{background:rgba(75,59,143,.08);color:var(--purple-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--orange);color:var(--night);height:48px;padding:0 24px;}
.btn-accent:hover{background:#f5b366;color:var(--night);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--purple);font-weight:600;font-size:15px;
  min-height:44px;
}
.btn-text i{transition:transform .25s ease;}
.btn-text:hover i{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 标签、徽章 ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--purple-light);
  color:var(--purple);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.2px;
}
.badge-accent{background:var(--orange-light);color:#a5620f;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.6px;
  color:var(--purple);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--purple);}

/* ============ 分类页页首横幅 ============ */
.page-banner{padding:28px 0 0;}
.breadcrumb-bar{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;
  color:var(--ink-3);
  margin-bottom:18px;
  overflow-x:auto;
  white-space:nowrap;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.breadcrumb-bar::-webkit-scrollbar{display:none;}
.breadcrumb-bar a{color:var(--ink-2);}
.breadcrumb-bar a:hover{color:var(--purple);}
.breadcrumb-bar .sep{color:var(--ink-3);}
.breadcrumb-bar .current{color:var(--purple);font-weight:600;}

.banner-card{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .85fr 300px;
  align-items:center;
  gap:36px;
  padding:44px 44px;
  border-radius:var(--r-lg);
  background:var(--purple-light);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.banner-card::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(75,59,143,.06) 1.5px,transparent 1.5px);
  background-size:24px 24px;
  pointer-events:none;
}
.banner-head,.banner-sub,.banner-media{position:relative;z-index:1;}
.banner-head h1{font-size:clamp(28px,3.6vw,40px);}
.banner-sub{font-size:15.5px;line-height:1.9;color:var(--ink-2);}
.banner-sub .banner-points{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.banner-media img{
  width:100%;
  height:230px;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
}

/* ============ 板块 ============ */
.section{padding:88px 0;}
.section--alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.24em;
  width:4px;height:1em;border-radius:2px;background:var(--purple);
}
.section-head p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-2);}

/* ============ 图文交错 ============ */
.zigzag{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.zigzag + .zigzag{margin-top:64px;}
.zigzag--reverse .zig-media{order:2;}
.zig-media{position:relative;}
.zig-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
}
.zig-text .zig-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;
  border-radius:50%;
  background:var(--white);
  border:1.5px solid var(--purple);
  color:var(--purple);
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
}
.zig-text h3{margin-bottom:12px;}
.zig-text p{font-size:15.5px;line-height:1.9;color:var(--ink-2);}
.zig-list{margin-top:16px;display:grid;gap:8px;}
.zig-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--ink-2);
}
.zig-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:50%;
  background:var(--orange);
}

/* ============ 准备清单面板 ============ */
.check-panel{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
  background:var(--purple-light);
  border-radius:var(--r-lg);
  padding:48px;
}
.check-panel h2{position:relative;padding-left:16px;margin-bottom:14px;}
.check-panel h2::before{
  content:"";position:absolute;left:0;top:.24em;
  width:4px;height:1em;border-radius:2px;background:var(--purple);
}
.check-panel .panel-note{font-size:15.5px;color:var(--ink-2);margin-bottom:26px;}
.check-list{display:grid;gap:14px;}
.check-item{
  display:flex;gap:14px;
  background:var(--white);
  border-radius:var(--r-md);
  padding:16px 18px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.check-icon{
  flex:0 0 26px;width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(47,182,168,.12);
  color:var(--teal);
  font-size:13px;
  margin-top:3px;
}
.check-item h4{font-size:16px;margin-bottom:4px;}
.check-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin:0;}
.check-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--white);
  border-radius:var(--r-md);
  margin-bottom:12px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .25s ease,background-color .25s ease;
  border-left:3px solid transparent;
}
.faq-item:hover{background:#FAF9FE;}
.faq-item[open]{border-left-color:var(--purple);box-shadow:var(--sh-2);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item[open] summary{color:var(--purple);}
.faq-sign{
  position:relative;
  flex:0 0 18px;
  width:18px;height:18px;
  transition:transform .25s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--purple);border-radius:2px;
}
.faq-sign::before{left:0;right:0;top:8px;height:2px;}
.faq-sign::after{top:0;bottom:0;left:8px;width:2px;}
.faq-item[open] .faq-sign{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ============ 次 CTA 条 ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:36px 44px;
  border-radius:var(--r-lg);
  background:var(--purple-light);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(75,59,143,.06) 1.5px,transparent 1.5px);
  background-size:24px 24px;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:22px;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--ink-2);margin:0;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--night);
  color:rgba(255,255,255,.66);
  padding:72px 0 28px;
  font-size:14.5px;
  line-height:1.85;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.site-footer .logo{color:#fff;margin-bottom:16px;}
.site-footer .logo:hover{color:#fff;text-decoration:none;}
.site-footer .logo-mark{background:rgba(75,59,143,.45);color:var(--orange);}
.site-footer .logo-text strong{color:var(--orange);}
.footer-desc{color:rgba(255,255,255,.58);font-size:14.5px;max-width:340px;margin-bottom:18px;}
.footer-contact{display:grid;gap:6px;font-size:13.5px;color:rgba(255,255,255,.5);}
.footer-title{
  font-size:15px;
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:rgba(255,255,255,.66);font-size:14.5px;}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:12.5px;
  color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .banner-card{grid-template-columns:1fr 1fr 240px;gap:28px;padding:36px;}
  .check-panel{padding:40px;gap:36px;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;
    top:0;right:0;
    width:min(320px,86vw);
    height:100%;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:80px 16px 24px;
    background:var(--white);
    box-shadow:var(--sh-3);
    transform:translateX(103%);
    transition:transform .25s ease;
    overflow-y:auto;
    z-index:1060;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-link{
    height:48px;
    padding:0 14px;
    border-bottom:1px solid var(--line);
    border-radius:0;
    font-size:16px;
  }
  .nav-link.is-active::after{display:none;}
  .nav-cta{margin:18px 0 0;width:100%;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .banner-card{grid-template-columns:1fr;gap:24px;}
  .banner-media img{height:210px;}
  .check-panel{grid-template-columns:1fr;padding:32px;}
  .check-media{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .topbar-left > span:first-of-type{display:none;}
  .topbar-note{display:none;}
  .zigzag{grid-template-columns:1fr;gap:24px;}
  .zigzag--reverse .zig-media{order:0;}
  .zigzag + .zigzag{margin-top:44px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-band .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  body{font-size:16px;line-height:1.85;}
  .banner-card{padding:24px 20px;border-radius:18px;}
  .banner-media img{height:180px;}
  .check-panel{padding:24px 20px;}
  .faq-item summary{padding:16px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .logo{font-size:16.5px;}
}

/* roulang page: category2 */
:root{
  --brand:#4B3B8F;
  --brand-deep:#332763;
  --brand-soft:#EDE9F8;
  --accent:#F2A44B;
  --accent-soft:#FDF0DE;
  --ok:#2FB6A8;
  --danger:#D9534F;
  --ink:#1B1A22;
  --ink-2:#565465;
  --ink-3:#8B8899;
  --line:#E6E3EE;
  --bg:#FBFAFD;
  --card:#FFFFFF;
  --night:#14121C;
  --night-2:#1E1B2E;
  --r-s:8px;
  --r-m:12px;
  --r-c:16px;
  --r-l:20px;
  --sh-1:0 1px 2px rgba(20,18,28,.05),0 2px 8px rgba(20,18,28,.05);
  --sh-2:0 8px 24px rgba(75,59,143,.10);
  --sh-3:0 18px 44px rgba(20,18,28,.14);
  --ease:.26s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-deep);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(75,59,143,.28);border-radius:var(--r-s);
}
h1,h2,h3,h4{color:var(--ink);margin:0;text-align:left}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.45;font-weight:600}
h4{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin:0 0 44px}
.section-head p{color:var(--ink-2);font-size:16.5px;margin:12px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:16px;font-weight:600}
.h2-bar{position:relative;padding-left:16px}
.h2-bar::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:999px;background:var(--brand)}

/* ---------- 顶部信息条 ---------- */
.site-header{position:relative;z-index:70}
.topbar{background:var(--night);color:#C9C5DC;font-size:13px;line-height:36px;height:36px;overflow:hidden}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-left>span:not(.topbar-dot){white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.topbar-domain{color:#8B8899;letter-spacing:.04em}
.topbar-right{display:flex;align-items:center;gap:18px;flex:none}
.topbar-note{color:#8B8899}
.topbar-link{color:#F2A44B;font-weight:600}
.topbar-link:hover{color:#FFC27D;text-decoration:none}

/* ---------- 主导航 ---------- */
.mainnav{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.mainnav.is-scrolled{box-shadow:var(--sh-1)}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:17px;letter-spacing:.01em}
.logo:hover{color:var(--ink);text-decoration:none}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;flex:none}
.logo-text strong{color:var(--brand)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;color:var(--ink-2);font-size:15.5px;border-radius:var(--r-m)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:999px;background:var(--brand);transform:scaleX(0);transition:transform var(--ease),background var(--ease)}
.nav-link:hover{color:var(--brand);text-decoration:none}
.nav-link:hover::after{background:var(--line);transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:12px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;position:relative;flex:none;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:1.5px;background:var(--ink);border-radius:2px;transform:translateX(-50%);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle span{top:50%;margin-top:-.75px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.nav-scrim{position:fixed;inset:0;background:rgba(20,18,28,.45);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:55}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-m);font-size:16px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);text-decoration:none;line-height:1}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#5A48A6;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);text-decoration:none}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:var(--night);height:48px}
.btn-accent:hover{background:#F7B469;color:var(--night);transform:translateY(-2px);box-shadow:var(--sh-2);text-decoration:none}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);text-decoration:none}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-on-dark:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;height:44px}
.btn-link:hover{text-decoration:none;color:var(--brand-deep)}
.btn-link svg{transition:transform var(--ease)}
.btn-link:hover svg{transform:translateX(3px)}
.btn-sm{height:44px;padding:0 18px;font-size:15px}

/* ---------- 页首通栏 ---------- */
.page-hero{
  position:relative;
  background:linear-gradient(135deg,rgba(20,18,28,.94) 0%,rgba(30,27,46,.92) 55%,rgba(51,39,99,.9) 100%),
             url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  color:#fff;
  padding:92px 0 84px;
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(75,59,143,.65);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1.5px);
  background-size:42px 42px;
  opacity:.05;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,164,75,.16),transparent 68%);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:22px;white-space:nowrap;overflow:auto}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff;text-decoration:none}
.crumb .sep{color:rgba(255,255,255,.32)}
.crumb .current{color:var(--accent)}
.page-hero h1{color:#fff;max-width:880px}
.page-hero .hero-sub{margin:20px 0 0;max-width:680px;color:rgba(255,255,255,.78);font-size:17px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-badge{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.88);font-size:13.5px}
.hero-badge svg{color:var(--accent)}

/* ---------- 指标区 ---------- */
.metrics{background:#fff;border-bottom:1px solid var(--line);padding:0}
.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.metric{padding:40px 32px;border-right:1px solid var(--line)}
.metric:last-child{border-right:none}
.metric-num{font-size:34px;font-weight:700;color:var(--accent);line-height:1.2;letter-spacing:.01em}
.metric-num small{font-size:16px;font-weight:600;color:var(--ink-2);margin-left:6px}
.metric h3{font-size:16.5px;margin:8px 0 6px;font-weight:600}
.metric p{margin:0;color:var(--ink-3);font-size:14px;line-height:1.7}

/* ---------- 办理范围 ---------- */
.scope{background:var(--bg)}
.scope-grid{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:start}
.entry-list{border-top:1px solid var(--line)}
.entry-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);transition:background var(--ease),padding-left var(--ease)}
.entry-item:hover{background:#fff;padding-left:14px;border-radius:var(--r-m)}
.entry-num{flex:none;width:44px;font-size:15px;font-weight:700;color:var(--brand);letter-spacing:.06em;line-height:1.9}
.entry-body h3{font-size:17.5px;margin-bottom:6px}
.entry-body p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.8}
.scope-aside{position:sticky;top:104px}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1)}
.aside-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.aside-card .aside-body{padding:22px 22px 24px}
.aside-card h3{font-size:17px;margin-bottom:8px}
.aside-card p{margin:0 0 16px;color:var(--ink-2);font-size:14.5px;line-height:1.8}
.aside-tip{display:flex;gap:10px;align-items:flex-start;background:var(--accent-soft);border-radius:var(--r-m);padding:14px 16px;font-size:13.5px;color:#7A5320;line-height:1.7}
.aside-tip svg{flex:none;margin-top:3px;color:var(--accent)}

/* ---------- 对照表 ---------- */
.compare{background:#fff}
.table-wrap{border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1)}
table.cmp{width:100%;border-collapse:collapse;font-size:15px}
table.cmp thead th{background:var(--brand-soft);color:var(--brand-deep);font-size:13.5px;font-weight:600;text-align:left;padding:16px 20px;white-space:nowrap;letter-spacing:.02em}
table.cmp tbody td{padding:20px;border-top:1px solid var(--line);color:var(--ink-2);vertical-align:top;line-height:1.75}
table.cmp tbody tr{transition:background var(--ease)}
table.cmp tbody tr:hover{background:#FAF8FE}
table.cmp tbody td:first-child{color:var(--ink);font-weight:600}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:600}
.tag-accent{background:var(--accent-soft);color:#8A5A1C}
.table-note{margin:18px 0 0;font-size:13.5px;color:var(--ink-3)}

/* ---------- 办理环节 ---------- */
.process{background:var(--bg)}
.process-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-line{position:absolute;left:6%;right:6%;top:22px;border-top:1px dashed var(--line);z-index:1}
.step{position:relative;z-index:2;background:transparent}
.step-dot{width:46px;height:46px;border-radius:50%;background:#fff;border:1.5px solid var(--brand);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;margin-bottom:18px;box-shadow:var(--sh-1)}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-c);padding:22px;height:100%;transition:transform var(--ease),box-shadow var(--ease)}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-card h3{font-size:17px;margin-bottom:8px}
.step-card p{margin:0;color:var(--ink-2);font-size:14.5px;line-height:1.8}
.step-meta{display:inline-block;margin-top:14px;font-size:13px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:3px 12px}

/* ---------- FAQ ---------- */
.faq{background:#fff}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);margin-bottom:12px;overflow:hidden;transition:background var(--ease),box-shadow var(--ease)}
.faq-item:hover{background:#FAF9FE}
.faq-item[open]{background:#fff;box-shadow:var(--sh-1)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font-size:16.5px;font-weight:600;color:var(--ink);transition:color var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:0 3px 3px 0;background:var(--brand);transform:scaleY(0);transition:transform var(--ease)}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary::after{content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;margin-top:-7px;background:
  linear-gradient(var(--brand),var(--brand)) center/14px 1.5px no-repeat,
  linear-gradient(var(--brand),var(--brand)) center/1.5px 14px no-repeat;transition:transform var(--ease)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--brand-deep)}
.faq-body{padding:0 22px 22px;color:var(--ink-2);font-size:15px;line-height:1.8}

/* ---------- 次 CTA 条 ---------- */
.sub-cta{background:var(--bg);padding:0 0 96px}
.sub-cta-box{
  background:var(--brand-soft);border-radius:var(--r-l);padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  border:1px solid #DFD8F2;
}
.sub-cta-box h2{font-size:24px;margin-bottom:6px}
.sub-cta-box p{margin:0;color:var(--ink-2);font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:#B9B5CB;padding:76px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.site-footer .logo{color:#fff}
.site-footer .logo:hover{color:#fff;text-decoration:none}
.footer-desc{color:#8B8899;font-size:14px;line-height:1.85;margin:18px 0 18px;max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:6px;color:#8B8899;font-size:13.5px}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{color:#B9B5CB;font-size:14.5px}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8B8899;font-size:13px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:100%}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .nav-toggle{display:block}
  .nav-menu{
    position:fixed;top:0;right:0;height:100vh;width:min(84vw,340px);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:86px 20px 28px;transform:translateX(100%);
    transition:transform .25s ease;box-shadow:var(--sh-3);z-index:60;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-link{height:48px;padding:0 4px;border-bottom:1px solid var(--line);border-radius:0;font-size:16px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .nav-cta{margin:20px 0 0;width:100%}
  .nav-scrim.is-open{opacity:1;visibility:visible}
  .topbar-note{display:none}
  .scope-grid{grid-template-columns:1fr;gap:32px}
  .scope-aside{position:static}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .process-line{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.85}
  .section{padding:48px 0}
  .section-tight{padding:44px 0}
  .section-head{margin-bottom:32px}
  .topbar-left>span:not(.topbar-dot):not(.topbar-domain){display:none}
  .page-hero{padding:64px 0 60px}
  .page-hero .hero-sub{font-size:16px}
  .metrics-grid{grid-template-columns:1fr}
  .metric{border-right:none;border-bottom:1px solid var(--line);padding:28px 0}
  .metric:last-child{border-bottom:none}
  .sub-cta{padding-bottom:64px}
  .sub-cta-box{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .sub-cta-box .btn{width:100%}
  /* 表格转卡片 */
  .table-wrap{border:none;box-shadow:none;background:transparent;border-radius:0}
  table.cmp thead{display:none}
  table.cmp,table.cmp tbody,table.cmp tr,table.cmp td{display:block;width:100%}
  table.cmp tbody tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-c);
    padding:8px 18px;margin-bottom:16px;box-shadow:var(--sh-1);
  }
  table.cmp tbody td{border-top:1px solid var(--line);padding:14px 0;display:flex;gap:14px;align-items:flex-start}
  table.cmp tbody td:first-child{border-top:none;font-size:17px;padding-top:16px}
  table.cmp tbody td::before{
    content:attr(data-label);flex:none;width:84px;color:var(--ink-3);font-size:13px;font-weight:600;line-height:1.9;
  }
  table.cmp tbody td:first-child::before{display:none}
  table.cmp tbody tr:hover{background:#fff}
}
@media (max-width:575px){
  .container{padding:0 16px}
  h1{font-size:30px}
  .process-grid{grid-template-columns:1fr;gap:16px}
  .entry-item{gap:14px}
  .entry-num{width:34px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}