/* roulang page: index */
:root{
  --brand:#3A2E86;
  --brand-dark:#2A2068;
  --brand-soft:#EFEDFA;
  --cyan:#14B8C4;
  --cyan-soft:#7FE3EA;
  --gold:#F2A93B;
  --gold-soft:#FFD48A;
  --ink:#14122B;
  --text:#1F2138;
  --text-2:#5A5E75;
  --text-3:#8A8FA6;
  --bg:#F6F7FC;
  --card:#FFFFFF;
  --line:#E4E6F1;
  --ok:#2F9E6E;
  --err:#D9534F;
  --warn:#E0A32B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,18,43,.04),0 2px 8px rgba(20,18,43,.05);
  --sh2:0 12px 28px rgba(20,18,43,.10);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{flex:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--light{background:#fff;}

/* ============ 倒计时条 ============ */
.topbar{
  background:
    radial-gradient(1.5px 1.5px at 12% 30%,rgba(255,255,255,.55),transparent 100%),
    radial-gradient(1.5px 1.5px at 68% 22%,rgba(255,255,255,.4),transparent 100%),
    radial-gradient(1.5px 1.5px at 86% 70%,rgba(255,255,255,.35),transparent 100%),
    linear-gradient(100deg,#1B1740 0%,#2A2068 46%,#3A2E86 100%);
  color:#fff;
  min-height:48px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:48px;
  flex-wrap:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.topbar-inner::-webkit-scrollbar{display:none;}
.topbar-text{
  font-size:14px;
  white-space:nowrap;
  display:flex;
  align-items:center;
  gap:8px;
}
.topbar-text .dot{
  width:6px;height:6px;border-radius:50%;background:var(--gold-soft);
  box-shadow:0 0 0 4px rgba(242,169,59,.18);
}
.topbar-right{display:flex;align-items:center;gap:14px;white-space:nowrap;}
.countdown{display:flex;align-items:center;gap:6px;}
.cd-block{
  width:26px;height:30px;border-radius:6px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  display:grid;place-items:center;
  font-size:14px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.cd-unit{font-size:13px;color:rgba(255,255,255,.8);margin-right:2px;}
.topbar-link{
  color:#fff;font-size:14px;text-decoration:underline;
  text-underline-offset:3px;opacity:.92;
}
.topbar-link:hover{opacity:1;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid #ECEDF5;
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 8px rgba(20,18,43,.06);}
.header-inner{
  height:68px;
  display:flex;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{color:var(--brand);}
.logo-text{font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:12px;flex:1 1 auto;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:22px 0;
  transition:color var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;border-radius:2px;background:var(--brand);
}
.header-right{display:flex;align-items:center;gap:12px;flex:none;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;
  background:#F3F4FA;border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:border-color var(--ease),background var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;}
.nav-search svg{color:var(--text-3);}
.nav-search input{
  border:0;background:transparent;outline:none;
  width:150px;font-size:14px;
}
.nav-search input::placeholder{color:var(--text-3);}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--ease);}
.hamburger:hover{background:var(--brand-soft);}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;
  background:#fff;z-index:90;
  transform:translateX(102%);
  transition:transform 220ms ease-out;
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.drawer-head .logo-text{font-size:16px;}
.drawer-close{width:34px;height:34px;border-radius:10px;font-size:22px;line-height:1;color:var(--text-2);}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-search{
  display:flex;align-items:center;height:44px;padding:0 14px;
  background:#F3F4FA;border-radius:10px;margin-bottom:12px;
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:20px;}
.drawer-nav a{
  height:56px;display:flex;align-items:center;
  border-bottom:1px solid var(--line);
  font-size:16px;color:var(--text);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,43,.42);
  opacity:0;visibility:hidden;transition:opacity var(--ease);z-index:80;
}
.drawer-mask.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-btn);
  font-size:16px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--brand);border:1px solid #D8DAE8;}
.btn-outline:hover{border-color:var(--brand);background:#F4F4FD;}
.btn-gold{background:var(--gold);color:var(--ink);}
.btn-gold:hover{background:#E79A26;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-ghost{color:var(--brand);padding:0;height:auto;font-weight:600;}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px;}
.btn[disabled],.btn.is-loading{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-cta{height:40px;padding:0 18px;font-size:15px;}
.btn-block{width:100%;}
.btn.is-loading::before{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(20,18,43,.3);border-top-color:var(--ink);
  animation:spin 700ms linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ============ Hero ============ */
.hero{
  position:relative;
  color:#fff;
  background-image:
    linear-gradient(102deg,rgba(20,18,43,.95) 0%,rgba(28,23,66,.88) 42%,rgba(58,46,134,.72) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 18% 24%,rgba(255,255,255,.5),transparent 100%),
    radial-gradient(1.5px 1.5px at 72% 16%,rgba(255,255,255,.4),transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 62%,rgba(255,255,255,.32),transparent 100%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;
  min-height:600px;
  padding:72px 0;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(20,184,196,.16);border:1px solid rgba(127,227,234,.42);
  color:var(--cyan-soft);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  max-width:620px;
}
.hero-sub{
  margin-top:18px;
  font-size:18px;
  line-height:1.7;
  color:rgba(255,255,255,.8);
  max-width:560px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.78);}
.trust-item svg{color:var(--cyan-soft);}
.hero-card{
  background:rgba(255,255,255,.97);
  color:var(--text);
  border-radius:16px;
  padding:28px;
  box-shadow:0 24px 56px rgba(8,6,26,.34);
}
.hero-card h2{font-size:20px;font-weight:700;color:var(--ink);line-height:1.4;}
.hero-card-time{
  margin-top:14px;padding:12px 14px;border-radius:10px;background:var(--brand-soft);
  font-size:14px;color:var(--brand);font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.hero-card ul{margin-top:18px;display:grid;gap:12px;}
.hero-card li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7;}
.hero-card li svg{color:var(--ok);margin-top:4px;}
.hero-card-actions{display:grid;gap:10px;margin-top:24px;}

/* ============ 通用区块头 ============ */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:38px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.4px;
}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}
.link-more{color:var(--brand);font-weight:600;font-size:15px;transition:var(--ease);}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}

/* ============ 活动卖点 ============ */
.sell-list{display:grid;gap:20px;}
.sell-item{
  display:grid;grid-template-columns:64px 1fr;gap:24px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--sh1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.sell-item:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.sell-item:nth-child(even){margin-left:56px;}
.sell-badge{
  width:52px;height:52px;border-radius:50%;
  border:2px solid var(--gold);
  background:#FFFBF3;
  color:#B9741A;
  display:grid;place-items:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
}
.sell-item h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.4;}
.sell-item p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);
}
.stat-num{font-size:32px;font-weight:700;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-2);}
.stat-line{width:36px;height:3px;border-radius:3px;background:var(--cyan);margin-bottom:16px;}

/* ============ 图墙 ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:150px;
  gap:16px;
}
.bento-item{
  position:relative;overflow:hidden;border-radius:var(--r-img);
  background:var(--ink);box-shadow:var(--sh1);
}
.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.bento-item:hover img{transform:scale(1.04);}
.bento-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px;
  background:linear-gradient(to top,rgba(20,18,43,.88),rgba(20,18,43,0));
  color:#fff;font-size:15px;font-weight:600;
  transform:translateY(8px);opacity:.92;
  transition:transform var(--ease),opacity var(--ease);
}
.bento-item:hover figcaption{transform:translateY(0);opacity:1;}
.bento-pill{
  position:absolute;top:12px;left:12px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);color:var(--brand);
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;
}
.bento-item--a{grid-column:span 2;grid-row:span 2;}
.bento-item--b{grid-column:span 2;}
.bento-item--g{grid-column:span 2;}
.bento-item--h{grid-column:span 4;}

/* ============ 领取 CTA ============ */
.cta-band{
  background:linear-gradient(180deg,#FFFDF8 0%,#F6F7FC 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.cta-grid h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.4px;}
.cta-grid .lead{margin-top:16px;font-size:16px;color:var(--text-2);}
.cta-points{margin-top:26px;display:grid;gap:14px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.cta-points li svg{color:var(--brand);margin-top:4px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh1);
}
.form-card h3{font-size:20px;font-weight:700;color:var(--ink);}
.form-card .form-tip-top{margin-top:8px;font-size:14px;color:var(--text-3);}
.field{margin-top:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--r-btn);
  border:1px solid #D8DAE8;background:#fff;padding:0 14px;
  font-size:15px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,184,196,.22);}
.field .err-text{margin-top:6px;font-size:12px;color:var(--err);display:none;}
.field.has-error input{border-color:var(--err);}
.field.has-error .err-text{display:block;}
.form-note{margin-top:14px;font-size:12px;color:var(--text-3);line-height:1.7;}
.form-tip{margin-top:12px;font-size:13px;color:var(--text-3);}
.form-tip.is-ok{color:var(--ok);font-weight:600;}

/* ============ FAQ ============ */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:10px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-mark{position:relative;width:20px;height:20px;flex:none;}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:currentColor;border-radius:2px;opacity:.85;}
.faq-mark::before{left:0;right:0;top:9px;height:2px;}
.faq-mark::after{top:0;bottom:0;left:9px;width:2px;transition:transform var(--ease),opacity var(--ease);}
.faq-item[open] .faq-mark::after{transform:scaleY(0);opacity:0;}
.faq-answer{padding:0 20px 18px;font-size:16px;line-height:1.85;color:var(--text-2);}

/* ============ 最新信息列表 ============ */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.news-card:hover .news-title{color:var(--brand);}
.news-card--lead{grid-row:span 2;}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9EAF3;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-tag{
  position:absolute;top:12px;left:12px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);color:var(--brand);
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{
  font-size:18px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.news-card--lead .news-title{font-size:22px;}
.news-sum{
  font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.empty-state{
  grid-column:1/-1;
  min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  text-align:center;padding:24px;
}
.empty-state svg{color:var(--text-3);}
.empty-state p{font-size:15px;color:var(--text-2);}
.skeleton{display:grid;gap:12px;}
.skeleton-item{height:18px;border-radius:12px;background:linear-gradient(90deg,#EEF0F7 25%,#E3E6F1 37%,#EEF0F7 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;}
@keyframes sk{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .logo-text{color:#fff;}
.footer-desc{margin-top:14px;font-size:14px;color:#B8BBD0;line-height:1.8;max-width:280px;}
.footer-icons{display:flex;gap:12px;margin-top:18px;}
.footer-icons span{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#B8BBD0;transition:var(--ease);
}
.footer-icons span:hover{background:rgba(255,255,255,.16);color:#fff;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#B8BBD0;transition:var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{font-size:14px;color:#B8BBD0;line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8F93AD;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh2);color:var(--brand);
  display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1120px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .main-nav,.nav-search{display:none;}
  .hamburger{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:32px;min-height:auto;padding:56px 0 64px;}
  .hero h1{max-width:none;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr 1fr;}
  .news-card--lead{grid-row:span 1;grid-column:span 2;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-item--a{grid-column:span 2;grid-row:span 2;}
  .bento-item--b,.bento-item--g,.bento-item--h{grid-column:span 2;}
  .bento-item--c,.bento-item--d,.bento-item--e,.bento-item--f{grid-column:span 1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sell-item:nth-child(even){margin-left:0;}
}
@media (max-width:768px){
  .header-inner{height:60px;}
  .logo-text{font-size:16px;}
  .topbar-text{font-size:13px;}
  .cd-day{display:none;}
  .hero-sub{font-size:16px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  body{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-trust{gap:14px;}
  .sell-item{grid-template-columns:1fr;gap:14px;padding:22px;}
  .stats{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--lead{grid-column:span 1;}
  .bento{grid-template-columns:1fr;grid-auto-rows:180px;}
  .bento-item--a,.bento-item--b,.bento-item--c,.bento-item--d,
  .bento-item--e,.bento-item--f,.bento-item--g,.bento-item--h{grid-column:span 1;grid-row:span 1;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:26px;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .btn:hover,.news-card:hover,.sell-item:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand:#3A2E86;
  --brand-hover:#2A2068;
  --brand-soft:#EFEDFA;
  --cyan:#14B8C4;
  --cyan-soft:#7FE3EA;
  --gold:#F2A93B;
  --gold-soft:#FFD48A;
  --ink:#14122B;
  --text:#1F2138;
  --text-2:#5A5E75;
  --text-3:#8A8FA6;
  --bg:#F6F7FC;
  --card:#FFFFFF;
  --line:#E4E6F1;
  --line-soft:#ECEDF5;
  --ok:#2F9E6E;
  --warn:#E0A32B;
  --err:#D9534F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,43,.04),0 2px 8px rgba(20,18,43,.05);
  --sh-2:0 12px 28px rgba(20,18,43,.10);
  --gap:24px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-hover);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.3px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 1px 8px rgba(20,18,43,.06);}
.header-inner{
  height:68px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand .logo-mark{color:var(--brand);flex:0 0 auto;}
.brand-name{
  font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.4px;white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:22px 0;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;width:220px;
  background:#F3F4FA;border:1px solid transparent;border-radius:var(--r-pill);
  padding:0 16px;transition:border-color .18s ease-out,background .18s ease-out;
}
.search-box svg{color:var(--text-3);flex:0 0 auto;}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:var(--brand);background:#FFFFFF;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--brand);color:#FFFFFF;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-hover);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#FFFFFF;color:var(--brand);border:1px solid #D8DAE8;}
.btn-outline:hover{border-color:var(--brand);background:#F4F4FD;color:var(--brand-hover);}
.btn-gold{background:var(--gold);color:var(--ink);}
.btn-gold:hover{background:#E39A28;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.hamburger{
  display:none;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--ink);
}
.hamburger:hover{background:#F3F4FA;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;
  background:#FFFFFF;z-index:90;transform:translateX(100%);
  transition:transform .24s ease-out;box-shadow:-12px 0 32px rgba(20,18,43,.12);
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text-2);}
.drawer-close:hover{background:#F3F4FA;}
.drawer .search-box{width:100%;margin-bottom:12px;}
.drawer-nav{margin:0 0 20px;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line-soft);
}
.drawer-nav a:first-child{border-top:1px solid var(--line-soft);}
.drawer-nav a.is-active{color:var(--brand);font-weight:600;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,43,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 面包屑与分类带 ============ */
.crumb-bar{background:#FFFFFF;border-bottom:1px solid var(--line-soft);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--text-3);padding:16px 0;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--brand);font-weight:600;}

.page-hero{
  position:relative;background:#FFFFFF;
  border-bottom:1px solid var(--line-soft);
  padding:40px 0 44px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.hero-cat{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);line-height:1.3;font-weight:700;
  max-width:900px;letter-spacing:-.5px;
}
.page-hero .hero-sub{
  margin-top:14px;font-size:16px;color:var(--text-2);max-width:720px;
}
.hero-meta{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  margin-top:20px;font-size:14px;color:var(--text-3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.hero-meta svg{color:var(--brand);}

/* ============ 布局 ============ */
.article-wrap{padding:48px 0 72px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:40px;align-items:start;
}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:32px;
}
.article-content{max-width:800px;}
.article-content h2{
  font-size:24px;font-weight:700;color:var(--ink);
  margin:32px 0 12px;line-height:1.45;
}
.article-content h3{
  font-size:20px;font-weight:700;color:var(--ink);
  margin:24px 0 10px;line-height:1.5;
}
.article-content h4{
  font-size:17px;font-weight:700;color:var(--ink);margin:20px 0 8px;
}
.article-content p{
  font-size:17px;line-height:1.9;color:var(--text);margin:0 0 18px;
}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:0;}
.article-content ul li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-content ul li::before{
  content:"";position:absolute;left:0;top:12px;
  width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.article-content ol{counter-reset:cmsli;}
.article-content ol li{
  position:relative;padding-left:30px;margin-bottom:10px;
  font-size:17px;line-height:1.9;color:var(--text);counter-increment:cmsli;
}
.article-content ol li::before{
  content:counter(cmsli);
  position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-content blockquote{
  margin:0 0 18px;padding:16px 20px;
  border-left:3px solid var(--cyan);background:#F6F7FC;
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  width:auto;max-width:100%;height:auto;border-radius:var(--r-img);
  margin:24px auto;box-shadow:var(--sh-1);
}
.article-content figure{margin:24px 0;}
.article-content figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:-10px;
}
.article-content table{
  width:100%;border-collapse:collapse;margin:0 0 22px;
  font-size:15px;border-radius:var(--r-img);overflow:hidden;
}
.article-content thead th{
  background:var(--brand-soft);color:var(--brand-hover);
  font-weight:600;text-align:left;padding:12px 14px;
}
.article-content tbody td{
  padding:12px 14px;border-top:1px solid var(--line);color:var(--text-2);
}
.article-content tbody tr:nth-child(even){background:#FAFBFE;}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand-hover);}
.article-content strong{color:var(--ink);font-weight:700;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:28px 0;}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;min-height:200px;text-align:center;
  background:#FAFBFE;border:1px dashed var(--line);
  border-radius:var(--r-card);padding:40px 24px;
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
}
.empty-state p{color:var(--text-2);font-size:16px;}

/* 标签与翻页 */
.article-foot{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tag-row .tag-label{font-size:14px;color:var(--text-3);}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:#F3F4FA;color:var(--text-2);
  font-size:13px;transition:background .18s ease-out,color .18s ease-out;
}
.tag:hover{background:var(--brand-soft);color:var(--brand);}
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;
}
.pager a{
  display:block;padding:16px 18px;border:1px solid var(--line);
  border-radius:var(--r-card);background:#FFFFFF;transition:box-shadow .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.pager a:hover{border-color:var(--brand);box-shadow:var(--sh-2);transform:translateY(-1px);}
.pager .pager-label{font-size:13px;color:var(--text-3);margin-bottom:6px;}
.pager .pager-title{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;}
.pager a:hover .pager-title{color:var(--brand);}
.pager .pager-next{text-align:right;}
.back-row{margin-top:24px;display:flex;justify-content:center;}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px;}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;
}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--ink);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card h3 svg{color:var(--brand);}
.quick-steps{display:flex;flex-direction:column;gap:12px;margin-bottom:18px;}
.quick-steps li{
  display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--text-2);
}
.quick-steps .step-no{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;line-height:22px;text-align:center;margin-top:3px;
}
.side-nav-list li{border-bottom:1px solid var(--line-soft);}
.side-nav-list li:last-child{border-bottom:0;}
.side-nav-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14px;color:var(--text-2);line-height:1.6;
}
.side-nav-list a:hover{color:var(--brand);}
.side-nav-list a span.arrow{color:var(--text-3);font-size:13px;}
.rank-list li{
  display:flex;gap:10px;align-items:flex-start;padding:10px 0;
  border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-no{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;
  background:#F3F4FA;color:var(--text-3);font-size:12px;font-weight:700;
  line-height:20px;text-align:center;margin-top:4px;
}
.rank-list li:nth-child(-n+3) .rank-no{background:var(--gold-soft);color:#8A5A0B;}
.rank-list a{font-size:14px;color:var(--text);line-height:1.65;}
.rank-list a:hover{color:var(--brand);}
.side-cta{
  background:linear-gradient(160deg,#241C63 0%,#3A2E86 62%,#14B8C4 160%);
  border:0;color:#FFFFFF;
}
.side-cta h3{color:#FFFFFF;}
.side-cta h3 svg{color:var(--cyan-soft);}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:16px;}
.side-cta .btn-gold{width:100%;}

/* ============ 相关推荐 ============ */
.section{padding:64px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:28px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.section-head p{margin-top:8px;font-size:15px;color:var(--text-2);}
.link-more{font-size:15px;font-weight:600;color:var(--brand);white-space:nowrap;}
.link-more:hover{text-decoration:underline;color:var(--brand-hover);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EEF0F8;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-cat{
  position:absolute;left:12px;top:12px;height:26px;padding:0 12px;
  display:inline-flex;align-items:center;border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);color:var(--brand);
  font-size:12px;font-weight:600;
}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;font-weight:600;line-height:1.5;}
.post-card:hover .post-body h3{color:var(--brand);}
.post-body .excerpt{
  font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;gap:6px;
  font-size:14px;color:var(--text-3);
}
.post-meta svg{color:var(--text-3);}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:10px;}
.faq-item{background:#FFFFFF;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease-out;
}
.faq-q:hover{color:var(--brand);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .18s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  display:none;padding:0 22px 20px;font-size:16px;line-height:1.85;color:var(--text-2);
}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 72px;}
.cta-inner{
  background:var(--brand-soft);border:1px solid #DEDAF6;border-radius:18px;
  padding:40px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,28px);line-height:1.4;}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B8BBD0;padding:64px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-text{font-size:17px;font-weight:700;color:#FFFFFF;}
.footer-desc{font-size:14px;line-height:1.7;color:#B8BBD0;max-width:260px;}
.footer-icons{display:flex;gap:12px;margin-top:18px;}
.footer-icons span{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:var(--cyan-soft);
}
.footer-col h4{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#B8BBD0;}
.footer-col a:hover{color:#FFFFFF;text-decoration:underline;}
.footer-contact li{font-size:14px;color:#B8BBD0;line-height:1.8;margin-bottom:8px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A8FA6;
}
.footer-bottom p{margin:0;}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  background:#FFFFFF;border:1px solid var(--line);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out,transform .2s ease-out;
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .header-tools .search-box{width:180px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  .main-nav{display:none;}
  .header-tools .search-box{display:none;}
  .hamburger{display:flex;}
  .header-tools{margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .sidebar{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .header-inner{height:60px;}
  .panel{padding:20px;}
  .page-hero{padding:28px 0 32px;}
  .article-wrap{padding:28px 0 48px;}
  .article-content p,.article-content ul li,.article-content ol li{font-size:16px;}
  .pager{grid-template-columns:1fr;}
  .pager .pager-next{text-align:left;}
  .cta-inner{padding:26px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .brand-name{font-size:16px;}
  .hero-meta{gap:12px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .post-card:hover,.btn-primary:hover,.btn-gold:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#3A2E86;
  --brand-deep:#2A2068;
  --brand-soft:#EFEDFA;
  --cyan:#14B8C4;
  --cyan-soft:#7FE3EA;
  --gold:#F2A93B;
  --gold-soft:#FFD48A;
  --ink:#14122B;
  --text:#1F2138;
  --text-2:#5A5E75;
  --text-3:#8A8FA6;
  --bg:#F6F7FC;
  --card:#FFFFFF;
  --line:#E4E6F1;
  --line-2:#D8DAE8;
  --ok:#2F9E6E;
  --err:#D9534F;
  --warn:#E0A32B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,43,.04), 0 2px 8px rgba(20,18,43,.05);
  --sh-2:0 12px 28px rgba(20,18,43,.10);
  --ease:180ms ease-out;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
a:hover{color:var(--brand-deep)}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3;letter-spacing:-0.2px}
p{margin:0}
svg{flex-shrink:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  :root{--container:1280px}
}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-2)}
.btn-ghost:hover{background:#F4F4FD;border-color:var(--brand);color:var(--brand-deep)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#E79E2C;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-gold:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:15px;border-radius:var(--r-pill)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.link-more{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{text-decoration:underline}
.link-more::after{content:"›";font-size:18px;line-height:1}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 8px rgba(20,18,43,.06)}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex-shrink:0;
}
.brand .logo-mark{color:var(--brand)}
.logo-text{font-size:18px;font-weight:700;letter-spacing:-0.2px;white-space:nowrap}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1;
  min-width:0;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:68px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  background:#F3F4FA;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  transition:border-color var(--ease),background-color var(--ease);
}
.search-box:focus-within{border-color:var(--brand);background:#fff}
.search-box svg{color:var(--text-3)}
.search-box input{
  width:150px;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--text-3)}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
  color:var(--ink);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

.nav-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:88%;
  max-width:380px;
  background:#fff;
  z-index:90;
  padding:20px;
  transform:translateX(102%);
  transition:transform 240ms ease-out;
  overflow-y:auto;
  box-shadow:-8px 0 32px rgba(20,18,43,.14);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-btn);
  cursor:pointer;
  color:var(--text-2);
}
.drawer-search{margin:18px 0 8px}
.drawer-list li{border-bottom:1px solid var(--line)}
.drawer-list a{
  display:flex;
  align-items:center;
  height:56px;
  font-size:16px;
  color:var(--text);
}
.drawer-list a.is-active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:22px}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(20,18,43,.42);
  z-index:80;
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ============ 首屏专题带 ============ */
.page-band{
  position:relative;
  overflow:hidden;
  background-color:#EEECF8;
  background-image:
    radial-gradient(circle at 82% 18%, rgba(127,227,234,.30), transparent 42%),
    linear-gradient(120deg, #F7F6FE 0%, #ECE9F8 55%, #E7F4F6 100%),
    url(/assets/images/backpic/back-2.png);
  background-size:cover,cover,cover;
  background-position:center,center,center;
  padding:44px 0 56px;
}
.page-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(58,46,134,.16) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
}
.page-band .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--brand);font-weight:600}
.page-band h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-0.5px;
  max-width:760px;
  color:var(--ink);
}
.band-sub{
  margin-top:16px;
  font-size:17px;
  line-height:1.7;
  color:var(--text-2);
  max-width:640px;
}
.band-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  background:#fff;
  color:var(--brand);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.badge-gold{background:var(--gold-soft);color:#6B4408;border-color:transparent}
.badge-cyan{background:#E3F7F9;color:#0C7C86;border-color:transparent}
.band-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

/* ============ 通用板块 ============ */
.section{padding:84px 0}
.section-tight{padding:64px 0}
.section-alt{background:#fff}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head .kicker{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--cyan);
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
}
.section-head .sub{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:center;
}
.grid-cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D9D5F2}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:15px;line-height:1.8;color:var(--text-2)}
.card-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  margin-bottom:16px;
}
.figure{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:#fff;
}
.figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.check-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:14px;
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:6px;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand);
}
.check-list li strong{color:var(--text)}

/* ============ 步骤轨 ============ */
.steps{
  position:relative;
  margin-top:8px;
  padding-left:0;
}
.steps::before{
  content:"";
  position:absolute;
  left:23px;
  top:14px;
  bottom:14px;
  width:2px;
  background:linear-gradient(180deg,var(--brand) 0%, #C7C2EC 70%, rgba(199,194,236,0) 100%);
}
.step{
  position:relative;
  padding-left:74px;
  margin-bottom:22px;
}
.step:last-child{margin-bottom:0}
.step-num{
  position:absolute;
  left:0;top:0;
  width:48px;height:48px;
  display:grid;place-items:center;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--gold-soft);
  color:var(--brand);
  font-weight:700;
  font-size:16px;
  box-shadow:var(--sh-1);
  z-index:2;
}
.step-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step-card h3{font-size:19px;margin-bottom:8px}
.step-card p{font-size:15px;line-height:1.85;color:var(--text-2)}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
}
.tag-cyan{background:#E3F7F9;color:#0C7C86}
.tag-gold{background:#FFF2DD;color:#8A5B10}

/* ============ 提示表 ============ */
.table-wrap{
  overflow-x:auto;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
}
.tip-table{
  width:100%;
  min-width:640px;
  border-collapse:collapse;
  font-size:15px;
}
.tip-table th{
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:15px 20px;
  white-space:nowrap;
}
.tip-table td{
  padding:16px 20px;
  border-top:1px solid var(--line);
  color:var(--text-2);
  line-height:1.75;
  vertical-align:top;
}
.tip-table tbody tr:nth-child(even){background:#FAFAFE}
.tip-table td:first-child{color:var(--text);font-weight:600}
.status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
}
.status::before{
  content:"";
  width:8px;height:8px;border-radius:50%;
  background:currentColor;
}
.status-ok{color:var(--ok)}
.status-warn{color:var(--warn)}
.status-err{color:var(--err)}

/* ============ 安全提示区 ============ */
.safety{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:32px;
  box-shadow:var(--sh-1);
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:34px;
  align-items:center;
}
.safety h2{font-size:24px;margin-bottom:12px}
.safety p{font-size:15px;line-height:1.85;color:var(--text-2)}
.notice{
  margin-top:20px;
  border-left:3px solid var(--cyan);
  background:#F6F7FC;
  border-radius:0 12px 12px 0;
  padding:16px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.notice strong{color:var(--text)}

/* ============ FAQ ============ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:10px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:18px 56px 18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--brand);
  transition:transform 180ms ease-out;
}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-answer{
  padding:0 22px 20px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  border-top:1px solid var(--line);
  margin-top:2px;
  padding-top:14px;
}

/* ============ 相关链接 ============ */
.rel-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
  max-width:900px;
  margin:0 auto;
}
.rel-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:16px 20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  box-shadow:var(--sh-1);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease),color var(--ease);
}
.rel-list a:hover{
  border-color:#CFC9EE;
  color:var(--brand);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.rel-list a span.arrow{color:var(--brand);font-size:18px;line-height:1}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(135deg,#F2F1FB 0%, #EAF3F6 100%);
  border:1px solid var(--line);
  border-radius:20px;
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{font-size:16px;line-height:1.8;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#B8BBD0;
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .logo-text{color:#fff;font-size:17px}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:#B8BBD0;
  max-width:280px;
}
.footer-icons{
  display:flex;
  gap:12px;
  margin-top:20px;
}
.footer-icons span{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:rgba(255,255,255,.07);
  color:var(--cyan-soft);
  transition:background-color var(--ease);
}
.footer-icons span:hover{background:rgba(255,255,255,.14)}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col a{
  font-size:14px;
  color:#B8BBD0;
}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-contact li{
  font-size:14px;
  color:#B8BBD0;
  margin-bottom:12px;
  line-height:1.7;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8A8FA6;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand);
  box-shadow:var(--sh-2);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease);
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .search-box input{width:120px}
  .main-nav{gap:20px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .grid-2{grid-template-columns:1fr;gap:26px}
  .safety{grid-template-columns:1fr;padding:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .header-inner{height:60px;gap:14px}
  .main-nav,.search-box{display:none}
  .nav-toggle{display:inline-flex}
  .logo-text{font-size:16px}
  .page-band{padding:32px 0 42px}
  .band-sub{font-size:16px}
  .grid-cards{grid-template-columns:1fr}
  .rel-list{grid-template-columns:1fr}
  .step{padding-left:62px}
  .step-num{width:42px;height:42px;font-size:15px}
  .steps::before{left:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .band-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .card,.step-card{padding:18px}
  .safety{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
  .card:hover,.step-card:hover,.rel-list a:hover,.btn:hover{transform:none!important}
}

/* roulang page: category2 */
:root{
  --brand:#3A2E86;
  --brand-deep:#2A2068;
  --brand-soft:#EFEDFA;
  --cyan:#14B8C4;
  --cyan-soft:#7FE3EA;
  --gold:#F2A93B;
  --gold-soft:#FFD48A;
  --ink:#14122B;
  --text:#1F2138;
  --text-2:#5A5E75;
  --text-3:#8A8FA6;
  --bg:#F6F7FC;
  --card:#FFFFFF;
  --line:#E4E6F1;
  --line-strong:#D8DAE8;
  --success:#2F9E6E;
  --error:#D9534F;
  --warn:#E0A32B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-control:10px;
  --shadow-1:0 1px 2px rgba(20,18,43,.04),0 2px 8px rgba(20,18,43,.05);
  --shadow-2:0 12px 28px rgba(20,18,43,.10);
  --container:1200px;
  --gutter:24px;
  --section-gap:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--ink)}
p+p{margin-top:18px}
::selection{background:var(--brand-soft);color:var(--brand-deep)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
@media (min-width:1440px){:root{--container:1280px}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-control);
  font-size:16px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);background:#F4F4FD}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#E79E2A;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-gold:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-link{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-link:hover{text-decoration:underline}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .btn:hover,.card:hover{transform:none !important}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 1px 8px rgba(20,18,43,.06)}
.header-inner{
  height:68px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:24px;height:24px;color:var(--brand)}
.brand .logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:15px;color:var(--text-2);border-radius:8px;
  transition:color .18s ease-out,background-color .18s ease-out;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  background:#F3F4FA;border:1px solid transparent;border-radius:999px;
  transition:border-color .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out;
}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0}
.search-box input{
  border:0;background:transparent;outline:none;width:170px;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 2px rgba(20,184,196,.25)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;color:var(--ink);background:#fff;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* Drawer */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(20,18,43,.42);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .2s ease-out;
}
.drawer-overlay.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:400px;background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .24s ease-out;
  padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:18px;
  box-shadow:-8px 0 28px rgba(20,18,43,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:16px;font-weight:700;color:var(--ink)}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
}
.drawer-search{height:44px;border-radius:12px;background:#F3F4FA}
.drawer-search input{width:100%}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  height:56px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--line);font-size:16px;color:var(--text);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-nav a svg{width:16px;height:16px;color:var(--text-3)}
body.no-scroll{overflow:hidden}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;
  background-image:
    linear-gradient(100deg,rgba(246,247,252,.97) 0%,rgba(246,247,252,.88) 46%,rgba(239,237,250,.8) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero-inner{padding:30px 0 46px;min-height:264px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:16px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--brand);font-weight:600}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.25;font-weight:700;letter-spacing:-.5px;
  max-width:760px;
}
.cat-hero .hero-sub{
  margin-top:14px;font-size:17px;color:var(--text-2);max-width:620px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text-2);
  box-shadow:var(--shadow-1);
}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.chip.chip-gold .dot{background:var(--gold)}

/* ---------- Section generic ---------- */
.section{padding:var(--section-gap) 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;letter-spacing:-.4px}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px}
.section-head .head-link{font-size:15px;font-weight:600;color:var(--brand);white-space:nowrap}
.section-head .head-link:hover{text-decoration:underline}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:1.4px;text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--gold);border-radius:2px}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}
.article-block{margin-bottom:36px}
.article-block:last-child{margin-bottom:0}
.figure{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-1);margin-bottom:20px;background:var(--brand-soft)}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-block h3{font-size:21px;line-height:1.4;margin-bottom:10px}
.article-block p{font-size:16.5px;line-height:1.9;color:var(--text-2)}
.inline-list{margin-top:14px;display:grid;gap:10px}
.inline-list li{position:relative;padding-left:16px;font-size:15px;color:var(--text-2)}
.inline-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--brand);
}

/* Aside */
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.aside-card.sticky{position:sticky;top:92px}
.aside-card h3{font-size:18px;margin-bottom:6px}
.aside-card .aside-note{font-size:14px;color:var(--text-3);margin-bottom:18px}
.aside-list{display:grid;gap:14px;margin-bottom:22px}
.aside-list .row{display:flex;gap:12px;align-items:flex-start}
.aside-list .row .icon{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.aside-list .row .icon svg{width:18px;height:18px}
.aside-list .row .label{font-size:13px;color:var(--text-3);line-height:1.5}
.aside-list .row .value{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.aside-card .divider{height:1px;background:var(--line);margin:20px 0}
.aside-card .hint{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.7}

/* ---------- Schedule table ---------- */
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.panel-head{padding:22px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px}
.panel-head h3{font-size:19px}
.panel-head span{font-size:13px;color:var(--text-3)}
.schedule-row{
  display:grid;grid-template-columns:1.1fr 1.4fr 1fr;gap:18px;align-items:center;
  padding:18px 24px;border-bottom:1px solid var(--line);font-size:15px;
  transition:background-color .18s ease-out;
}
.schedule-row:last-child{border-bottom:0}
.schedule-row:hover{background:#FAFAFE}
.schedule-row .s-name{font-weight:600;color:var(--ink)}
.schedule-row .s-time{color:var(--text-2);font-variant-numeric:tabular-nums}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.tag-open{background:rgba(47,158,110,.12);color:#257952}
.tag-soon{background:rgba(224,163,43,.16);color:#8A6314}
.tag-wait{background:var(--brand-soft);color:var(--brand)}

/* ---------- Checklist two columns ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
}
.check-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.check-card h3 .badge{
  width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.check-card h3 .badge.ok{background:rgba(47,158,110,.14);color:#257952}
.check-card h3 .badge.no{background:rgba(138,143,166,.16);color:var(--text-2)}
.check-card h3 .badge svg{width:15px;height:15px}
.check-card li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--text-2)}
.check-card li:last-child{border-bottom:0;padding-bottom:0}
.check-card li::before{
  content:"";flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-top:9px;
}
.check-card.muted li::before{background:var(--text-3)}

/* ---------- Stats ---------- */
.stats{
  background:linear-gradient(120deg,#241C5E 0%,#14122B 100%);
  border-radius:18px;padding:40px 32px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;overflow:hidden;
}
.stats::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
.stat{position:relative;z-index:1}
.stat .num{
  font-size:clamp(26px,3.2vw,36px);font-weight:700;line-height:1.2;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat .num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--cyan-soft)}
.stat .cap{margin-top:8px;font-size:14px;color:#B8BBD0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:10px;overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:#D5D8E8}
.faq-item.is-open{box-shadow:var(--shadow-1);border-color:#D5D8E8}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s ease-out;
}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-icon{position:relative;width:20px;height:20px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .18s ease-out,opacity .18s ease-out;
}
.faq-icon::before{left:2px;right:2px;top:9px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:2px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.faq-a p{padding:0 20px 20px;font-size:16px;line-height:1.85;color:var(--text-2)}
.faq-item.is-open .faq-a{max-height:340px}

/* ---------- CTA / form ---------- */
.cta-band{
  background:linear-gradient(180deg,#FFFFFF 0%,#F1F2FB 100%);
  border:1px solid var(--line);border-radius:18px;padding:44px;
  display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:44px;align-items:start;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.4px}
.cta-band .lead{margin-top:14px;font-size:16.5px;color:var(--text-2);max-width:520px}
.cta-points{display:grid;gap:12px;margin-top:24px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.cta-points li svg{width:18px;height:18px;color:var(--cyan);flex-shrink:0;margin-top:4px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.form-row input,.form-row select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-control);
  border:1px solid var(--line-strong);background:#fff;font-size:15px;color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.form-row input::placeholder{color:var(--text-3)}
.form-row input:focus,.form-row select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,184,196,.28);
}
.form-row.has-error input{border-color:var(--error)}
.form-row .err{display:none;margin-top:6px;font-size:12.5px;color:var(--error)}
.form-row.has-error .err{display:block}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-status{margin-top:12px;font-size:14px;color:var(--success);display:none}
.form-status.is-visible{display:block}
.spinner{
  width:16px;height:16px;border-radius:50%;border:2px solid rgba(20,18,43,.25);
  border-top-color:var(--ink);animation:spin .7s linear infinite;display:none;
}
.is-loading .spinner{display:inline-block}
.is-loading .btn-label{opacity:.7}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Related links ---------- */
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rel-link{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.rel-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5D8E8}
.rel-link .t{font-size:16px;font-weight:600;color:var(--ink)}
.rel-link .d{margin-top:4px;font-size:13.5px;color:var(--text-3)}
.rel-link svg{width:18px;height:18px;color:var(--brand);flex-shrink:0}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--line-strong);color:var(--brand);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,background-color .18s ease-out;
  z-index:50;
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--brand-soft)}
.to-top svg{width:20px;height:20px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#B8BBD0;padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-text{font-size:17px;font-weight:700;color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:#B8BBD0;max-width:280px}
.footer-icons{display:flex;gap:12px;margin-top:18px}
.footer-icons span{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:#B8BBD0;
  transition:color .18s ease-out,border-color .18s ease-out;
}
.footer-icons span:hover{color:#fff;border-color:rgba(255,255,255,.4)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:#B8BBD0;transition:color .18s ease-out}
.footer-col ul li a:hover{color:#fff;text-decoration:underline}
.footer-contact li{font-size:14px;color:#B8BBD0;margin-bottom:12px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8A8FA6;
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  :root{--section-gap:64px;--gutter:20px}
  .main-nav{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .split{grid-template-columns:1fr;gap:32px}
  .aside-card.sticky{position:static}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:32px}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px;padding:32px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  :root{--section-gap:48px;--gutter:16px}
  body{font-size:16px}
  .header-inner{height:60px;gap:12px}
  .brand .logo-text{font-size:16px}
  .cat-hero-inner{padding:24px 0 32px;min-height:0}
  .cat-hero .hero-sub{font-size:15.5px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .schedule-row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
  .check-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
  .panel-head{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category3 */
:root{
  --brand:#3A2E86;
  --brand-dark:#2A2068;
  --brand-soft:#EFEDFA;
  --cyan:#14B8C4;
  --cyan-soft:#7FE3EA;
  --gold:#F2A93B;
  --gold-soft:#FFD48A;
  --ink:#14122B;
  --text:#1F2138;
  --text-2:#5A5E75;
  --text-3:#8A8FA6;
  --page:#F6F7FC;
  --card:#FFFFFF;
  --line:#E4E6F1;
  --line-soft:#ECEDF5;
  --success:#2F9E6E;
  --danger:#D9534F;
  --warning:#E0A32B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-ctrl:10px;
  --shadow-1:0 1px 2px rgba(20,18,43,.04),0 2px 8px rgba(20,18,43,.05);
  --shadow-2:0 12px 28px rgba(20,18,43,.10);
  --container:1200px;
  --gap:24px;
  --dur:200ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow var(--dur) ease-out;
}
.site-header.is-scrolled{box-shadow:0 1px 8px rgba(20,18,43,.06);}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{color:var(--brand);flex:0 0 auto;}
.logo-text{
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.2px;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:6px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:22px 0;
  transition:color var(--dur) ease-out;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:16px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  height:38px;
  background:#F3F4FA;
  border-radius:999px;
  padding:0 14px 0 36px;
  transition:box-shadow var(--dur) ease-out,background var(--dur) ease-out;
}
.search-box svg{
  position:absolute;
  left:13px;
  color:var(--text-3);
}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:150px;
  font-size:14px;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{
  background:#fff;
  box-shadow:0 0 0 2px rgba(58,46,134,.35);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-ctrl);
  font-size:16px;
  font-weight:600;
  letter-spacing:.2px;
  transition:background var(--dur) ease-out,color var(--dur) ease-out,transform var(--dur) ease-out,box-shadow var(--dur) ease-out,border-color var(--dur) ease-out;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border:1px solid #D8DAE8;
}
.btn-ghost:hover{border-color:var(--brand);background:#F4F4FD;transform:translateY(-1px);}
.btn-gold{background:var(--gold);color:var(--ink);box-shadow:var(--shadow-1);}
.btn-gold:hover{background:#E79E2C;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;border-radius:999px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none;}
.text-link{
  color:var(--brand);
  font-size:15px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.text-link:hover{text-decoration:underline;}

/* ---------- 移动端抽屉 ---------- */
.hamburger{
  display:none;
  width:40px;height:40px;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  color:var(--ink);
  border:1px solid var(--line);
  background:#fff;
}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(20,18,43,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--dur) ease-out,visibility var(--dur) ease-out;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:88%;
  max-width:360px;
  height:100%;
  background:#fff;
  z-index:90;
  transform:translateX(100%);
  transition:transform 220ms ease-out;
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
  box-shadow:-12px 0 32px rgba(20,18,43,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer .search-box{width:100%;background:#F3F4FA;}
.drawer .search-box input{width:100%;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:16px;
  color:var(--text);
  border-bottom:1px solid var(--line-soft);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600;}
.drawer-close{
  align-self:flex-end;
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  color:var(--text-2);
  border:1px solid var(--line);
}

/* ---------- 首屏专题带 ---------- */
.hero-banner{
  position:relative;
  overflow:hidden;
  background:#F1F0FA;
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
}
.hero-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.22;
}
.hero-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(58,46,134,.10) 1px,transparent 1px);
  background-size:20px 20px;
  opacity:.7;
}
.hero-banner .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--brand);font-weight:600;}
.hero-banner h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--ink);
  max-width:840px;
}
.hero-sub{
  margin-top:16px;
  font-size:17px;
  color:var(--text-2);
  max-width:720px;
}
.hero-actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-meta{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:34px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
}
.chip svg{color:var(--brand);}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section.alt{background:#FFFFFF;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-title{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.3px;
}
.section-desc{
  margin-top:12px;
  color:var(--text-2);
  font-size:16px;
  max-width:760px;
}

/* ---------- 问题速查卡片网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.q-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) ease-out,box-shadow var(--dur) ease-out,border-color var(--dur) ease-out;
}
.q-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5D8EA;}
.q-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.q-card h3{
  font-size:19px;
  font-weight:600;
  line-height:1.45;
  color:var(--ink);
}
.q-card p{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.q-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  background:#F3F4FA;
  color:var(--text-2);
}
.tag.brand{background:var(--brand-soft);color:var(--brand);}
.tag.cyan{background:#E4F7F9;color:#0F8C96;}
.tag.gold{background:#FFF4E2;color:#A96E13;}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:#fff;
  box-shadow:var(--shadow-1);
}
table.compare{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15px;
}
table.compare thead th{
  background:var(--brand-soft);
  color:var(--ink);
  font-weight:600;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.compare tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line-soft);
  color:var(--text-2);
  vertical-align:top;
  line-height:1.75;
}
table.compare tbody tr:nth-child(even){background:#FAFAFE;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare td strong{color:var(--ink);font-weight:600;}

/* ---------- 处理步骤 ---------- */
.step-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gap);
}
.step-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 22px;
  box-shadow:var(--shadow-1);
}
.step-num{
  width:44px;height:44px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;
  font-size:16px;
  color:var(--gold);
  border:1.6px solid var(--gold);
  background:#FFFBF3;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;font-weight:600;color:var(--ink);}
.step-item p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- 反馈 CTA ---------- */
.cta-band{
  background:#F1F0FA;
  border:1px solid var(--line);
  border-radius:20px;
  padding:40px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
}
.cta-band p{margin-top:14px;color:var(--text-2);font-size:16px;}
.cta-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.cta-list svg{flex:0 0 auto;margin-top:5px;color:var(--success);}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-2);
}
.form-card h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.field input{
  width:100%;
  height:48px;
  border-radius:var(--radius-ctrl);
  border:1px solid #D8DAE8;
  padding:0 14px;
  background:#fff;
  outline:none;
  transition:border-color var(--dur) ease-out,box-shadow var(--dur) ease-out;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,184,196,.28);}
.field .hint{font-size:12px;color:var(--danger);margin-top:6px;display:none;}
.field.has-error input{border-color:var(--danger);}
.field.has-error .hint{display:block;}
.form-note{margin-top:12px;font-size:12px;color:var(--text-3);line-height:1.7;}
.form-card .btn{width:100%;margin-top:4px;}

/* ---------- FAQ 手风琴 ---------- */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:10px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color var(--dur) ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:22px;
  line-height:1;
  color:var(--text-3);
  transition:transform 180ms ease-out,color 180ms ease-out;
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"−";color:var(--brand);transform:rotate(180deg);}
.faq-body{
  padding:0 22px 20px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- 相关链接 ---------- */
.link-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.link-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) ease-out,box-shadow var(--dur) ease-out,border-color var(--dur) ease-out;
}
.link-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5D8EA;}
.link-item span{font-size:15px;font-weight:600;color:var(--ink);}
.link-item small{display:block;font-size:13px;color:var(--text-3);font-weight:400;margin-top:4px;}
.link-item svg{color:var(--brand);flex:0 0 auto;}

/* ---------- 图文小块 ---------- */
.media-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.media-row img{
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-2);
  aspect-ratio:16/10;
  object-fit:cover;
  width:100%;
}
.media-row h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.32;
  font-weight:700;
  color:var(--ink);
}
.media-row p{margin-top:14px;color:var(--text-2);font-size:16px;}
.point-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.point-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
}
.point-list svg{flex:0 0 auto;margin-top:5px;color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#B8BBD0;
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .logo-text{color:#fff;font-size:17px;font-weight:700;}
.footer-desc{margin-top:14px;font-size:14px;color:#B8BBD0;max-width:280px;line-height:1.8;}
.footer-icons{display:flex;gap:12px;margin-top:18px;}
.footer-icons span{
  width:34px;height:34px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);
  color:var(--cyan-soft);
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#B8BBD0;transition:color var(--dur) ease-out;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{font-size:14px;color:#B8BBD0;line-height:1.8;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  justify-content:space-between;
  font-size:13px;
  color:#8A8FA6;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:46px;height:46px;
  border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity var(--dur) ease-out,transform var(--dur) ease-out,visibility var(--dur) ease-out;
  z-index:70;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .main-nav{display:none;}
  .search-box{display:none;}
  .hamburger{display:flex;}
  .header-actions{gap:10px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .step-list{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .media-row{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .link-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .header-inner{height:60px;gap:14px;}
  .logo-text{font-size:16px;}
  .hero-banner{padding:40px 0 48px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 100%;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .card-grid{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
  .link-grid{grid-template-columns:1fr;}
  .q-card{padding:20px;}
  .form-card{padding:20px;}
  .cta-band{padding:24px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-body{padding:0 18px 18px;font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important;}
  .btn:hover,.q-card:hover,.link-item:hover{transform:none;}
}