/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root{
  --primary:#1A5FA8;
  --primary-dark:#124A85;
  --primary-light:#EAF1FA;
  --accent:#127B8C;
  --copper:#E08A3C;
  --ink:#14202E;
  --text:#3D4C5E;
  --muted:#6B7A8C;
  --line:#E3E8EF;
  --page:#F6F8FB;
  --card:#FFFFFF;
  --ok:#1F9D63;
  --warn:#D98A1F;
  --err:#C4453B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,32,46,.04), 0 8px 24px rgba(20,32,46,.06);
  --sh-2:0 12px 32px rgba(20,32,46,.10);
  --sidebar-w:248px;
  --topbar-h:60px;
  --ease:180ms ease;
}

/* ===================== 基础重置 ===================== */
*,*::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:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{list-style:none;padding:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
:focus-visible{outline:3px solid rgba(26,95,168,.25);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(26,95,168,.16);}

/* ===================== 左侧 App Shell ===================== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:22px 16px 20px;z-index:80;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px 20px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:-.5px;
  display:flex;align-items:center;justify-content:center;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.4px;color:var(--ink);}

.nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--text);
  transition:background var(--ease),color var(--ease);
}
.nav-item svg{width:18px;height:18px;flex:0 0 auto;color:var(--muted);transition:color var(--ease);}
.nav-item:hover{background:#F2F5F9;}
.nav-item.is-active{background:var(--primary-light);color:var(--primary);font-weight:600;}
.nav-item.is-active svg{color:var(--primary);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);
}

.side-divider{height:1px;background:var(--line);margin:20px 8px;}
.side-cta{
  margin-top:auto;background:var(--primary-light);
  border-radius:12px;padding:16px;
}
.side-cta-title{font-size:13px;line-height:1.6;color:var(--primary-dark);font-weight:600;}
.side-cta-desc{font-size:12px;line-height:1.7;color:var(--muted);margin-top:6px;}
.side-cta-btn{width:100%;margin-top:12px;height:40px;font-size:14px;}

/* ===================== 移动端顶栏 ===================== */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar-h);
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:90;
}
.hamburger{
  width:40px;height:40px;border-radius:10px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background var(--ease);
}
.hamburger:hover{background:#F2F5F9;}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.topbar-brand{font-size:16px;font-weight:700;letter-spacing:-.3px;color:var(--ink);}
.topbar-action{
  width:40px;height:40px;border-radius:10px;color:var(--primary);
  display:flex;align-items:center;justify-content:center;background:var(--primary-light);
}
.topbar-action svg{width:18px;height:18px;}

.overlay{
  position:fixed;inset:0;background:rgba(20,32,46,.42);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:75;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ===================== 主区域与容器 ===================== */
.main{margin-left:var(--sidebar-w);padding:40px;min-height:100vh;}
.container{max-width:1200px;margin:0 auto;}
.section{margin-top:88px;}
.section:first-child{margin-top:0;}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:28px;
}
.section-title{font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:-.4px;}
.section-desc{margin-top:8px;font-size:15px;color:var(--muted);max-width:70ch;}
.section-link{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;transition:color var(--ease);}
.section-link:hover{color:var(--primary-dark);}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(26,95,168,.18);}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 10px 24px rgba(26,95,168,.26);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-ghost{color:var(--primary);padding:0 6px;height:auto;}
.btn-ghost:hover{color:var(--primary-dark);}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ===================== Hero ===================== */
.hero{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:8px 0 4px;
}
.hero-title{font-size:40px;line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:-.6px;}
.hero-title .hl{color:var(--primary);}
.hero-title-sub{display:block;margin-top:10px;font-size:24px;line-height:1.4;font-weight:600;color:var(--primary);letter-spacing:-.2px;}
.hero-lede{margin-top:16px;font-size:17px;line-height:1.8;color:var(--text);max-width:52ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px;}
.trust-item{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--muted);font-weight:500;}
.trust-item svg{width:16px;height:16px;color:var(--accent);flex:0 0 auto;}
.hero-art{position:relative;}
.hero-art img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:16px;box-shadow:var(--sh-1);
}
.hero-art::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:88px;height:88px;
  border-radius:16px;background:var(--primary-light);z-index:-1;
}

/* ===================== 平台能力概览 ===================== */
.cap-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:start;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.cap-card{padding:28px;}
.cap-icon{
  width:42px;height:42px;border-radius:11px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.cap-icon svg{width:22px;height:22px;}
.cap-title{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.cap-text{margin-top:10px;font-size:15px;line-height:1.85;color:var(--muted);}
.cap-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.cap-list li{position:relative;padding-left:16px;font-size:14.5px;line-height:1.75;color:var(--text);}
.cap-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.cap-card.tall .cap-list{margin-top:20px;gap:12px;}

.band{
  margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;box-shadow:var(--sh-1);
}
.band-item{display:flex;flex-direction:column;gap:4px;}
.band-num{font-size:22px;font-weight:700;color:var(--primary);letter-spacing:-.4px;}
.band-label{font-size:13.5px;color:var(--muted);}

/* ===================== 权益对比表 ===================== */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow-x:auto;
}
.plan-table{width:100%;border-collapse:separate;border-spacing:0;min-width:720px;}
.plan-table thead th{
  height:48px;padding:0 24px;text-align:left;
  font-size:13.5px;font-weight:600;color:var(--muted);
  border-bottom:1px solid var(--line);background:#fff;white-space:nowrap;
}
.plan-table tbody th{
  padding:0 24px;height:56px;text-align:left;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.plan-table tbody td{
  padding:0 24px;height:56px;font-size:14.5px;color:var(--text);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.plan-table tbody tr:last-child th,
.plan-table tbody tr:last-child td{border-bottom:0;}
.plan-table th.col-rec,
.plan-table td.col-rec{background:var(--primary-light);}
.plan-table thead th.col-rec{position:relative;color:var(--primary);}
.plan-table thead th.col-rec::after{
  content:"推荐";position:absolute;top:-1px;left:50%;transform:translate(-50%,-100%);
  background:var(--copper);color:#fff;font-size:11px;font-weight:700;
  padding:2px 10px;border-radius:6px 6px 0 0;letter-spacing:0;
}
.mark{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;font-size:12px;font-weight:700;}
.mark-yes{background:rgba(31,157,99,.12);color:var(--ok);}
.mark-no{background:#F2F5F9;color:var(--muted);}

/* ===================== 等级亮点 ===================== */
.level-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch;}
.level-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 22px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:box-shadow var(--ease),transform var(--ease);
}
.level-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.level-card::after{
  content:"";position:absolute;right:0;top:22%;bottom:22%;width:4px;
  border-radius:4px 0 0 4px;background:var(--primary);opacity:.2;
}
.level-card:nth-child(2)::after{opacity:.42;}
.level-card:nth-child(3)::after{opacity:.68;}
.level-card:nth-child(4)::after{opacity:1;}
.level-badge{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  margin-bottom:14px;
}
.level-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.level-points{margin-top:12px;display:flex;flex-direction:column;gap:9px;flex:1;}
.level-points li{position:relative;padding-left:14px;font-size:14px;line-height:1.7;color:var(--muted);}
.level-points li::before{
  content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--accent);
}
.level-link{
  margin-top:18px;font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:4px;transition:color var(--ease);
}
.level-link:hover{color:var(--primary-dark);}

/* ===================== 专属内容预览 ===================== */
.preview-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;}
.pcard{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow var(--ease);
}
.pcard:hover{box-shadow:var(--sh-2);}
.pcard-cover{position:relative;}
.pcard-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.lock-badge{
  position:absolute;top:14px;right:14px;
  background:rgba(255,255,255,.94);color:var(--copper);
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(224,138,60,.4);
}
.pcard-body{padding:20px 24px 22px;}
.pcard-title{font-size:19px;font-weight:700;color:var(--ink);line-height:1.5;}
.pcard-text{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--muted);}
.blur-bar{
  height:30px;margin-top:16px;border-radius:8px;
  background:linear-gradient(90deg,rgba(26,95,168,.10),rgba(18,123,140,.16));
  filter:blur(2px);opacity:.85;
}

.mini-list{display:flex;flex-direction:column;gap:16px;}
.mini{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:12px;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.mini:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.mini img{width:88px;height:64px;object-fit:cover;border-radius:8px;flex:0 0 auto;}
.mini-body{display:flex;flex-direction:column;justify-content:center;gap:6px;min-width:0;}
.mini-title{font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.5;}
.mini-tag{font-size:12px;font-weight:600;color:var(--accent);background:rgba(18,123,140,.10);padding:2px 8px;border-radius:var(--r-pill);align-self:flex-start;}

/* ===================== 资讯列表（CMS 区域） ===================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.news-cover{position:relative;display:block;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.badge-on-img{
  position:absolute;top:10px;left:10px;
  background:rgba(255,255,255,.92);color:var(--primary);
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);
}
.news-body{padding:18px 20px 16px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:16.5px;font-weight:600;line-height:1.55;color:var(--ink);}
.news-title a{transition:color var(--ease);}
.news-title a:hover{color:var(--primary);}
.news-sum{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);}
.news-meta{
  margin-top:auto;padding-top:14px;margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);border-top:1px solid var(--line);
}
.news-meta a{color:var(--primary);font-weight:600;transition:color var(--ease);}
.news-meta a:hover{color:var(--primary-dark);}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

.empty-state{
  grid-column:1 / -1;text-align:center;padding:60px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.empty-icon svg{width:24px;height:24px;}
.empty-text{font-size:15px;color:var(--muted);}
.empty-actions{margin-top:20px;display:flex;justify-content:center;}

/* ===================== FAQ ===================== */
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px 18px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:background var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:15px;bottom:15px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);
}
.faq-q:hover{background:#FAFBFD;}
.faq-arrow{width:18px;height:18px;flex:0 0 auto;color:var(--muted);transition:transform .22s ease,color .22s ease;}
.faq-item.is-open .faq-arrow{transform:rotate(90deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 24px 20px 24px;font-size:15px;line-height:1.9;color:var(--muted);}
.faq-item.is-open .faq-a{max-height:360px;}

/* ===================== CTA 带 ===================== */
.cta-band{
  background:var(--primary-light);border-radius:18px;padding:40px;
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
}
.cta-title{font-size:26px;font-weight:700;color:var(--ink);line-height:1.4;letter-spacing:-.3px;}
.cta-text{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:14px;}
.cta-tag{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--primary-dark);font-weight:500;}
.cta-tag svg{width:15px;height:15px;color:var(--accent);flex:0 0 auto;}

/* ===================== 页脚 ===================== */
.footer{
  margin:88px -40px -40px;padding:56px 40px 0;
  background:#fff;border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;max-width:1200px;margin:0 auto;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.footer-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
.footer-intro{font-size:14px;line-height:1.85;color:var(--muted);max-width:34ch;}
.footer-col-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a,.footer-list span{font-size:14px;line-height:1.4;color:var(--muted);transition:color var(--ease);}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  max-width:1200px;margin:40px auto 0;padding:20px 0 26px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}

/* ===================== 响应式 ===================== */
@media (max-width:1279px){
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .hero{gap:36px;}
  .hero-title{font-size:34px;}
  .hero-title-sub{font-size:21px;}
}

@media (max-width:1023px){
  .sidebar{
    width:82vw;max-width:320px;
    transform:translateX(-100%);
    transition:transform .26s ease;
    box-shadow:0 20px 50px rgba(20,32,46,.16);
  }
  .sidebar.is-open{transform:translateX(0);}
  .topbar{display:flex;}
  .main{margin-left:0;padding:calc(var(--topbar-h) + 24px) 24px 24px;}
  .footer{margin:72px -24px -24px;padding:48px 24px 0;}
  .hero{grid-template-columns:1fr;gap:32px;}
  .hero-art img{aspect-ratio:16/10;}
  .cap-grid{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:1fr;}
  .level-rail{grid-template-columns:repeat(2,1fr);}
  .band{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .section{margin-top:64px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:767px){
  .main{padding:calc(var(--topbar-h) + 16px) 20px 20px;}
  .footer{margin:56px -20px -20px;padding:44px 20px 0;}
  .hero-title{font-size:28px;}
  .hero-title-sub{font-size:19px;}
  .hero-lede{font-size:16px;}
  .section{margin-top:56px;}
  .section-title{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .btn{height:42px;padding:0 18px;font-size:14.5px;}
  .card, .level-card{padding:20px;}
  .cap-card{padding:20px;}
  .band{grid-template-columns:1fr 1fr;gap:18px;padding:20px;}
  .news-grid{grid-template-columns:1fr;}
  .level-rail{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{padding:24px;border-radius:14px;}
  .cta-title{font-size:21px;}
  .faq-q{font-size:15px;padding:16px 18px 16px 20px;}
  .faq-a p{padding:0 20px 18px 20px;font-size:14.5px;}

  /* 权益表转纵向对比组 */
  .table-wrap{background:transparent;border:0;box-shadow:none;overflow:visible;}
  .plan-table{min-width:0;display:block;}
  .plan-table thead{display:none;}
  .plan-table tbody, .plan-table tr, .plan-table th, .plan-table td{display:block;width:100%;}
  .plan-table tr{
    background:#fff;border:1px solid var(--line);border-radius:12px;
    padding:14px 16px;margin-bottom:14px;box-shadow:var(--sh-1);
  }
  .plan-table tbody th{
    height:auto;padding:0 0 8px;border-bottom:1px dashed var(--line);
    font-size:15px;font-weight:700;white-space:normal;
  }
  .plan-table tbody td{
    height:auto;padding:10px 0;border-bottom:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    white-space:normal;
  }
  .plan-table tbody td:last-child{border-bottom:0;padding-bottom:0;}
  .plan-table tbody td::before{
    content:attr(data-col);font-size:14px;font-weight:700;color:var(--ink);
  }
  .plan-table th.col-rec, .plan-table td.col-rec{background:transparent;}
  .plan-table thead th.col-rec::after{display:none;}
  .plan-table tr:has(td.col-rec){border-color:rgba(26,95,168,.4);box-shadow:0 0 0 1px rgba(26,95,168,.12),var(--sh-1);}
}

@media (max-width:520px){
  .band{grid-template-columns:1fr;}
  .trust{gap:14px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .news-grid{grid-template-columns:1fr;}
  .mini img{width:72px;height:54px;}
}

/* roulang page: article */
:root{
  --primary:#1A5FA8;
  --primary-dark:#124A85;
  --primary-light:#EAF1FA;
  --accent:#127B8C;
  --warm:#E08A3C;
  --title:#14202E;
  --text:#3D4C5E;
  --muted:#6B7A8C;
  --line:#E3E8EF;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --success:#1F9D63;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,46,.04),0 8px 24px rgba(20,32,46,.06);
  --shadow-2:0 12px 32px rgba(20,32,46,.10);
  --sidebar-w:248px;
}
*,*::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",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:600;line-height:1.35}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(26,95,168,.25);border-radius:6px}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:24px 16px 20px;gap:6px;overflow-y:auto;z-index:60;
}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 20px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.4px;
  display:grid;place-items:center;
}
.brand-text{font-size:17px;font-weight:700;color:var(--title);letter-spacing:-.01em}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--text);
  transition:background .18s ease,color .18s ease;
}
.nav-item svg{width:18px;height:18px;flex:none;color:var(--muted);transition:color .18s ease}
.nav-item:hover{background:#F2F5F9;color:var(--title)}
.nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.nav-item.active svg{color:var(--primary)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--primary);
}
.sidebar-divider{height:1px;background:var(--line);margin:16px 8px}
.member-card{
  margin-top:auto;background:var(--primary-light);border-radius:12px;padding:16px;
}
.member-card .member-title{
  font-size:14px;font-weight:700;color:var(--title);line-height:1.6;margin-bottom:4px;
}
.member-card .member-desc{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:14px}
.member-card .btn{width:100%;height:40px;font-size:14px}

/* ---------- 移动端顶部栏 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:50;height:60px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;gap:8px;padding:0 12px;
}
.hamburger{
  width:40px;height:40px;border-radius:8px;
  display:grid;place-content:center;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--title)}
.hamburger:hover{background:#F2F5F9}
.topbar-brand{flex:1;text-align:center;font-size:16px;font-weight:700;color:var(--title)}
.topbar-action{
  width:40px;height:40px;border-radius:8px;display:grid;place-items:center;color:var(--primary);
}
.topbar-action:hover{background:var(--primary-light)}
.topbar-action svg{width:20px;height:20px}
.nav-overlay{
  position:fixed;inset:0;background:rgba(20,32,46,.42);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:55;
}
.nav-overlay.show{opacity:1;visibility:visible}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--sidebar-w);padding:40px;min-height:100vh}
.content-wrap{max-width:1200px;margin:0 auto}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3CCD8}
.breadcrumb .current{color:var(--primary);font-weight:500}

.article-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:40px;
}
.read-col{max-width:800px;margin:0 auto}

.article-head{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:28px}
.article-head h1{font-size:32px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);margin-top:16px;
}
.meta .dot{color:#C3CCD8}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:5px 11px;border-radius:999px;
}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-accent{background:#E6F3F5;color:var(--accent)}
.badge-warm{background:#FCF1E5;color:var(--warm)}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text)}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:20px;font-weight:700;color:var(--title);
  line-height:1.5;margin:40px 0 16px;padding-left:12px;
  border-left:4px solid var(--primary);
}
.article-body h3{font-size:18px;font-weight:600;color:var(--title);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--title);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;line-height:2}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:4px}
.article-body blockquote{
  background:#F2F5F9;border-left:4px solid var(--accent);border-radius:8px;
  padding:16px 20px;margin:24px 0;color:var(--muted);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:var(--primary);border-bottom:1px dashed var(--primary)}
.article-body a:hover{border-bottom-style:solid;color:var(--primary-dark)}
.article-body strong{color:var(--title);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:#F2F5F9;color:var(--title);font-weight:600;font-size:14px}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  background:#F2F5F9;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--primary-dark);
}

/* ---------- 空态 ---------- */
.empty{text-align:center;padding:64px 20px;border:1px dashed var(--line);border-radius:12px;background:#FBFCFE}
.empty svg{width:44px;height:44px;color:#B9C4D2;margin:0 auto 14px}
.empty h3{font-size:18px;margin-bottom:8px}
.empty p{font-size:14px;color:var(--muted);margin-bottom:20px}

/* ---------- 标签 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--muted);line-height:30px;margin-right:2px}
.tag{
  font-size:13px;color:var(--text);background:#F2F5F9;
  border-radius:999px;padding:5px 14px;transition:background .18s ease,color .18s ease;
}
.tag:hover{background:var(--primary-light);color:var(--primary)}

/* ---------- 通用板块 ---------- */
.section{margin-top:56px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;
}
.section-head h2{font-size:22px;font-weight:700}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px}
.link-more{font-size:14px;font-weight:600;color:var(--primary)}
.link-more:hover{color:var(--primary-dark)}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rcard{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rcard-thumb{aspect-ratio:16/9;background:#EEF2F7;overflow:hidden;position:relative}
.rcard-thumb img{width:100%;height:100%;object-fit:cover}
.rcard-thumb .thumb-badge{position:absolute;top:10px;left:10px}
.rcard-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-body h3{
  font-size:16px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-time{font-size:13px;color:var(--muted);margin-top:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-2)}
.btn-primary:active{background:var(--primary-dark);box-shadow:none}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-ghost{padding:0 8px;color:var(--primary);height:auto}
.btn-ghost:hover{color:var(--primary-dark)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none}

.back-row{margin-top:32px;display:flex;justify-content:center}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:56px;background:var(--primary-light);border-radius:var(--radius-card);
  padding:32px 36px;display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:center;
}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4}
.cta-band p{font-size:15px;color:var(--text);margin-top:10px;line-height:1.8}
.cta-side{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-tags{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted)}
.cta-tags span{display:inline-flex;align-items:center;gap:6px}
.cta-tags svg{width:14px;height:14px;color:var(--accent)}

/* ---------- 页脚 ---------- */
.footer{
  margin-left:var(--sidebar-w);background:#fff;border-top:1px solid var(--line);
  padding:56px 40px 24px;
}
.footer-grid{
  max-width:1200px;margin:0 auto;display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-mark{
  width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;
  font-size:12px;font-weight:700;display:grid;place-items:center;flex:none;
}
.footer-name{font-size:16px;font-weight:700;color:var(--title)}
.footer-intro{font-size:14px;color:var(--muted);line-height:1.9}
.footer-col-title{font-size:14px;font-weight:700;color:var(--title);margin-bottom:12px}
.footer-list li{font-size:14px;color:var(--muted);line-height:2}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  max-width:1200px;margin:32px auto 0;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .related-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{
    transform:translateX(-100%);transition:transform .24s ease;
    width:82vw;max-width:320px;box-shadow:var(--shadow-2);
  }
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding:24px 20px 40px}
  .footer{margin-left:0;padding:44px 20px 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-shell{padding:28px 24px}
  .article-head h1{font-size:26px}
  .cta-band{grid-template-columns:1fr;padding:28px 24px}
  .section{margin-top:44px}
}
@media (max-width:767px){
  body{font-size:15px}
  .main{padding:20px 16px 36px}
  .article-shell{padding:22px 18px}
  .article-head h1{font-size:24px;line-height:1.4}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:19px;margin-top:32px}
  .article-body h3{font-size:17px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer{padding:36px 16px 18px}
  .cta-band{padding:24px 20px}
  .cta-band h2{font-size:20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px}
  .breadcrumb{font-size:13px}
}
@media (min-width:1024px){
  .nav-overlay{display:none}
}

/* roulang page: category1 */
:root{
  --primary:#1A5FA8;
  --primary-dark:#124A85;
  --primary-light:#EAF1FA;
  --accent:#127B8C;
  --accent-light:#E6F2F4;
  --warm:#E08A3C;
  --warm-light:#FCF1E5;
  --title:#14202E;
  --text:#3D4C5E;
  --muted:#6B7A8C;
  --border:#E3E8EF;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --success:#1F9D63;
  --warn:#D98A1F;
  --danger:#C4453B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(20,32,46,.04), 0 8px 24px rgba(20,32,46,.06);
  --shadow-2:0 12px 32px rgba(20,32,46,.10);
  --sidebar-w:248px;
}
*,*::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",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:3px solid rgba(26,95,168,.25);outline-offset:2px;border-radius:6px;}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--card);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  padding:22px 16px 20px;
  overflow-y:auto;
  z-index:60;
}
.side-brand{
  display:flex;align-items:center;gap:10px;
  padding:0 8px 20px;
}
.side-mark{
  width:36px;height:36px;flex:0 0 auto;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  color:#fff;font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.3px;
}
.side-name{
  font-size:17px;font-weight:700;color:var(--title);
  letter-spacing:-.3px;
}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  min-height:44px;
  padding:0 12px;
  border-radius:8px;
  font-size:15px;
  color:var(--text);
}
.nav-item svg{width:18px;height:18px;flex:0 0 auto;color:var(--muted);}
.nav-item:hover{background:#F2F5F9;color:var(--title);}
.nav-item:hover svg{color:var(--primary);}
.nav-item.active{
  background:var(--primary-light);
  color:var(--primary);
  font-weight:600;
}
.nav-item.active svg{color:var(--primary);}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;
  width:3px;border-radius:2px;background:var(--primary);
}
.side-divider{height:1px;background:var(--border);margin:20px 8px;}
.member-card{
  margin-top:auto;
  background:var(--primary-light);
  border-radius:12px;
  padding:16px;
}
.member-title{font-size:14px;font-weight:700;color:var(--primary-dark);}
.member-desc{font-size:13px;color:var(--muted);line-height:1.7;margin:6px 0 12px;}

/* ---------- 顶栏 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--card);
  border-bottom:1px solid var(--border);
  align-items:center;justify-content:space-between;
  padding:0 14px;z-index:70;
}
.topbar-brand{font-size:16px;font-weight:700;color:var(--title);letter-spacing:-.2px;}
.topbar-action{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
}
.topbar-action svg{width:20px;height:20px;}
.hamburger{
  width:38px;height:38px;border:1px solid var(--border);background:#fff;
  border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;padding:0;
}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--title);}
.overlay{
  position:fixed;inset:0;background:rgba(20,32,46,.45);
  opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:55;
}
.overlay.show{opacity:1;pointer-events:auto;}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--sidebar-w);padding:40px;}
.wrap{max-width:1200px;margin:0 auto;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-2);}
.btn-outline{background:#fff;color:var(--primary);border-color:#C9DCF0;}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-light);}
.btn-ghost{background:transparent;color:var(--primary);padding:0 4px;height:auto;}
.btn-ghost:hover{color:var(--primary-dark);}
.btn-sm{height:36px;padding:0 14px;font-size:14px;}
.btn-block{width:100%;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:var(--primary-light);color:var(--primary);
}
.badge-accent{background:var(--accent-light);color:var(--accent);}
.badge-warm{background:var(--warm-light);color:var(--warm);}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C3CCD8;}
.breadcrumb .current{color:var(--primary);font-weight:600;}

.section{margin-top:80px;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-title{font-size:28px;line-height:1.35;font-weight:700;color:var(--title);letter-spacing:-.4px;}
.section-desc{margin-top:12px;font-size:16px;color:var(--muted);}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--border);
  box-shadow:var(--shadow-1);
  padding:56px 48px;
  min-height:300px;
  display:flex;align-items:center;
}
.page-hero::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:48%;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;top:0;right:0;bottom:0;width:70%;
  background:linear-gradient(90deg,#FFFFFF 0%,rgba(255,255,255,.92) 38%,rgba(255,255,255,0) 100%);
  z-index:1;
}
.page-hero-inner{position:relative;z-index:2;max-width:620px;}
.page-hero h1{
  font-size:40px;line-height:1.25;font-weight:700;color:var(--title);letter-spacing:-.8px;
  margin-top:14px;
}
.page-hero p{margin-top:16px;font-size:17px;color:var(--text);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;grid-template-columns:6fr 4fr;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.split-body h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--title);letter-spacing:-.4px;}
.split-body p{margin-top:16px;font-size:16px;color:var(--text);}
.split-media img{
  width:100%;height:100%;object-fit:cover;border-radius:var(--radius-img);
}
.split-media{height:100%;min-height:260px;}

/* ---------- 要点列表 ---------- */
.point-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.point{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.point:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.point-icon{
  width:38px;height:38px;flex:0 0 auto;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
}
.point-icon svg{width:20px;height:20px;}
.point h3{font-size:16px;font-weight:700;color:var(--title);}
.point p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- 信息一览 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.info-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.info-card .badge{margin-bottom:14px;}
.info-card h3{font-size:17px;font-weight:700;color:var(--title);}
.info-card p{margin-top:10px;font-size:15px;color:var(--text);}
.info-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.info-card li{
  position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.7;
}
.info-card li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ---------- 数据带 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--primary-light);
  border-radius:var(--radius-card);
  padding:28px 24px;
  gap:16px;
}
.stat{text-align:center;padding:0 8px;border-right:1px solid #D6E4F3;}
.stat:last-child{border-right:0;}
.stat-num{font-size:26px;font-weight:700;color:var(--primary-dark);letter-spacing:-.4px;}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;
  padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--title);
}
.faq-bar{width:3px;height:18px;border-radius:2px;background:var(--primary);flex:0 0 auto;}
.faq-text{flex:1;line-height:1.6;}
.faq-arrow{width:18px;height:18px;color:var(--muted);flex:0 0 auto;transition:transform .2s ease,color .2s ease;}
.faq-item.open .faq-arrow{transform:rotate(90deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 20px 18px 35px;font-size:15px;line-height:1.9;color:var(--muted);}
.faq-item.open .faq-a{max-height:340px;}

/* ---------- 相关入口 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.related-card{
  display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.related-card img{width:100%;height:170px;object-fit:cover;}
.related-body{padding:22px;}
.related-body h3{font-size:18px;font-weight:700;color:var(--title);}
.related-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}
.related-more{margin-top:14px;font-size:14px;font-weight:600;color:var(--primary);}

.back-row{margin-top:28px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:center;
  background:var(--primary-light);
  border-radius:var(--radius-card);
  padding:36px;
}
.cta-band h2{font-size:24px;font-weight:700;color:var(--title);letter-spacing:-.3px;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--muted);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-tags{
  display:flex;flex-wrap:wrap;gap:14px;width:100%;justify-content:flex-end;margin-top:14px;
}
.cta-tags li{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);}
.cta-tags svg{width:16px;height:16px;color:var(--accent);}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:80px;
  background:var(--card);
  border-top:1px solid var(--border);
  padding:48px 0 0;
}
.footer-grid{
  max-width:1200px;margin:0 auto;padding:0 40px 40px;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.footer-name{font-size:16px;font-weight:700;color:var(--title);letter-spacing:-.2px;}
.footer-intro{font-size:14px;color:var(--muted);line-height:1.9;max-width:320px;}
.footer-col-title{font-size:14px;font-weight:700;color:var(--title);margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list li{font-size:14px;color:var(--muted);line-height:1.8;}
.footer-list a{color:var(--muted);}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  max-width:1200px;margin:0 auto;padding:18px 40px 24px;
  border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .split{grid-template-columns:1fr;}
  .split-media{min-height:220px;}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
}
@media (max-width:1023px){
  .topbar{display:flex;}
  .sidebar{transform:translateX(-102%);transition:transform .26s ease;}
  .sidebar.open{transform:translateX(0);box-shadow:var(--shadow-2);}
  .main{margin-left:0;padding:80px 20px 40px;}
  .page-hero{padding:36px 24px;}
  .page-hero::after{width:100%;opacity:.16;}
  .page-hero::before{width:100%;background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 100%);}
  .page-hero h1{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;padding:0 20px 32px;}
  .footer-bottom{padding:16px 20px 22px;}
  .cta-band{grid-template-columns:1fr;padding:28px 24px;}
  .cta-actions{justify-content:flex-start;}
  .cta-tags{justify-content:flex-start;}
}
@media (max-width:767px){
  .section{margin-top:56px;}
  .page-hero h1{font-size:28px;}
  .page-hero p{font-size:16px;}
  .split{padding:24px 20px;}
  .point-list{grid-template-columns:1fr;}
  .info-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .section-title{font-size:22px;}
  .split-body h2{font-size:22px;}
  .stat-band{grid-template-columns:1fr;gap:20px;padding:24px 20px;}
  .stat{border-right:0;border-bottom:1px solid #D6E4F3;padding-bottom:16px;}
  .stat:last-child{border-bottom:0;padding-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band h2{font-size:20px;}
}

/* roulang page: category2 */
:root{
  --primary:#1A5FA8;
  --primary-dark:#124A85;
  --primary-light:#EAF1FA;
  --accent:#127B8C;
  --warm:#E08A3C;
  --title:#14202E;
  --text:#3D4C5E;
  --muted:#6B7A8C;
  --border:#E3E8EF;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --success:#1F9D63;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(20,32,46,.04), 0 8px 24px rgba(20,32,46,.06);
  --shadow-hover:0 12px 32px rgba(20,32,46,.10);
  --sidebar-w:248px;
  --topbar-h:60px;
}
*,*::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,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:3px solid rgba(26,95,168,.25);outline-offset:2px;border-radius:8px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}

/* ---------- 布局骨架 ---------- */
.layout{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.main{flex:1;padding:40px 0 0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:90;
  align-items:center;gap:12px;padding:0 16px;
  background:#fff;border-bottom:1px solid var(--border);
}
.hamburger{
  width:40px;height:40px;border-radius:10px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;transition:background .18s ease;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--title)}
.hamburger:hover{background:#F2F5F9}
.topbar-brand{
  flex:1;font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--title);
}
.topbar-action{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:var(--primary);background:var(--primary-light);transition:background .18s ease;
}
.topbar-action svg{width:20px;height:20px}
.topbar-action:hover{background:#DCE8F6}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:100;
  background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:22px 16px 20px;overflow-y:auto;
}
.sidebar-brand{
  display:flex;align-items:center;gap:10px;
  padding:0 8px 18px;border-bottom:1px solid var(--border);margin-bottom:14px;
}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.5px;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.3px;color:var(--title)}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text);
  transition:background .18s ease,color .18s ease;
}
.nav-item svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:#F2F5F9}
.nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--primary);
}
.sidebar-divider{height:1px;background:var(--border);margin:16px 0}
.member-card{
  background:var(--primary-light);border-radius:12px;padding:16px;
}
.member-card-title{font-size:14px;font-weight:700;color:var(--title)}
.member-card-text{font-size:13px;line-height:1.7;color:var(--muted);margin:6px 0 12px}
.overlay{
  display:none;position:fixed;inset:0;z-index:95;
  background:rgba(20,32,46,.42);opacity:0;transition:opacity .22s ease;
}
.overlay.show{display:block;opacity:1}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 8px 20px rgba(26,95,168,.24);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--primary);padding:0 8px}
.btn-ghost:hover{color:var(--primary-dark)}
.btn-block{width:100%}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:600;
}
.tag-accent{background:rgba(18,123,140,.12);color:var(--accent)}
.tag-warm{background:rgba(224,138,60,.14);color:#B96B21}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.4px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}

/* ---------- Hero ---------- */
.hero-cat{padding:8px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero-copy h1{
  font-size:40px;line-height:1.25;font-weight:700;color:var(--title);
  letter-spacing:-.6px;margin:16px 0 0;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);margin-top:16px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px}
.hero-badges li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.hero-badges svg{width:16px;height:16px;stroke:var(--success);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:16px;box-shadow:var(--shadow);
}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  font-size:28px;line-height:1.35;font-weight:700;color:var(--title);letter-spacing:-.4px;
}
.section-head p{font-size:15px;line-height:1.85;color:var(--muted);margin-top:12px}

/* ---------- 功能错位卡 ---------- */
.feature-mosaic{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:start}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:box-shadow .18s ease,transform .18s ease;
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.feature-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-card-lg{grid-row:span 2;display:flex;flex-direction:column}
.feature-card-lg img{aspect-ratio:16/8}
.feature-body{padding:24px}
.feature-card .feature-body{padding:20px}
.feature-body h3{font-size:20px;font-weight:700;color:var(--title);margin-bottom:10px}
.feature-card .feature-body h3{font-size:17px}
.feature-body p{font-size:14px;line-height:1.8;color:var(--text)}
.tick-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.tick-list li{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.7}
.tick-list svg{width:16px;height:16px;flex:none;margin-top:5px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 规格数据条 ---------- */
.spec-bar{
  margin-top:28px;display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.spec-item{padding:24px 20px;text-align:center;border-right:1px solid var(--border)}
.spec-item:last-child{border-right:0}
.spec-num{font-size:24px;font-weight:700;color:var(--primary);letter-spacing:-.4px;font-variant-numeric:tabular-nums}
.spec-label{font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- 功能明细清单 ---------- */
.detail-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.detail-item{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.detail-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D6E0EC}
.detail-icon{
  width:40px;height:40px;flex:none;border-radius:11px;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.detail-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.detail-item h3{font-size:16px;font-weight:700;color:var(--title);margin-bottom:6px}
.detail-item p{font-size:14px;line-height:1.8;color:var(--muted)}

/* ---------- 使用方式 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
  transition:box-shadow .18s ease,transform .18s ease;
}
.scene-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.scene-card h3{font-size:18px;font-weight:700;color:var(--title);margin:14px 0 10px}
.scene-card p{font-size:14px;line-height:1.85;color:var(--text)}
.scene-card ul{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.scene-card ul li{
  position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.7;
}
.scene-card ul li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}
.note-band{
  margin-top:24px;display:flex;align-items:flex-start;gap:14px;
  background:var(--primary-light);border-radius:var(--radius);padding:22px 24px;
}
.note-band svg{width:20px;height:20px;flex:none;margin-top:3px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.note-band p{font-size:14px;line-height:1.85;color:var(--primary-dark)}

/* ---------- FAQ ---------- */
.faq{border-radius:12px;overflow:hidden;border:1px solid var(--border);background:#fff}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 22px 20px 25px;position:relative;
  font-size:16px;font-weight:700;color:var(--title);line-height:1.6;
  transition:background .18s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);
}
.faq-q:hover{background:#FAFCFE}
.faq-icon{
  width:26px;height:26px;flex:none;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:600;line-height:1;
  transition:transform .24s ease,background .18s ease;
}
.faq-item.open .faq-icon{transform:rotate(90deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 60px 22px 25px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ---------- 关联入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.entry-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.entry-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D6E0EC}
.entry-card img{width:132px;height:96px;flex:none;object-fit:cover;border-radius:10px}
.entry-card h3{font-size:17px;font-weight:700;color:var(--title);margin:10px 0 8px}
.entry-card p{font-size:14px;line-height:1.8;color:var(--muted)}
.entry-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.entry-more svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.entry-card:hover .entry-more svg{transform:translateX(3px)}
.entry-back{display:flex;justify-content:center;margin-top:32px}

/* ---------- CTA 带 ---------- */
.cta-band{padding:0 0 72px}
.cta-inner{
  background:var(--primary-light);border-radius:var(--radius-lg);
  padding:44px 48px;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
}
.cta-inner h2{font-size:26px;line-height:1.4;font-weight:700;color:var(--title);letter-spacing:-.3px}
.cta-inner .cta-desc{font-size:15px;line-height:1.85;color:var(--text);margin-top:12px}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px}
.cta-tags{display:flex;flex-wrap:wrap;gap:16px;margin-top:20px}
.cta-tags li{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--primary-dark)}
.cta-tags svg{width:15px;height:15px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 页脚 ---------- */
.footer{background:#fff;border-top:1px solid var(--border);padding-top:56px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  width:100%;max-width:1200px;margin:0 auto;padding:0 24px 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-mark{
  width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;letter-spacing:.5px;
}
.footer-name{font-size:16px;font-weight:700;color:var(--title)}
.footer-intro{font-size:14px;line-height:1.9;color:var(--muted);max-width:34em}
.footer-col-title{font-size:14px;font-weight:700;color:var(--title);margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list li{font-size:14px;line-height:1.7;color:var(--muted)}
.footer-list a{color:var(--muted);transition:color .18s ease}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  width:100%;max-width:1200px;margin:0 auto;padding:20px 24px;
  font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-copy h1{font-size:36px}
  .feature-mosaic{gap:20px}
}
@media (max-width:1023px){
  .layout{margin-left:0;padding-top:var(--topbar-h)}
  .topbar{display:flex}
  .sidebar{
    transform:translateX(-100%);
    transition:transform .26s ease;
    width:82vw;max-width:320px;
    box-shadow:0 20px 48px rgba(20,32,46,.18);
  }
  .sidebar.open{transform:translateX(0)}
  .main{padding-top:20px}
  .hero-cat{padding:8px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .section{padding:56px 0}
  .feature-mosaic{grid-template-columns:1fr}
  .feature-card-lg{grid-row:auto}
  .detail-list{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .spec-bar{grid-template-columns:repeat(2,1fr)}
  .spec-item:nth-child(2){border-right:0}
  .spec-item:nth-child(1),.spec-item:nth-child(2){border-bottom:1px solid var(--border)}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 20px}
  .hero-copy h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .section-head h2{font-size:22px}
  .feature-body{padding:20px}
  .feature-card .feature-body{padding:18px}
  .scene-card{padding:22px}
  .faq-q{font-size:15px;padding:18px 18px 18px 21px}
  .faq-a p{padding:0 22px 20px 21px;font-size:14.5px}
  .entry-card{flex-direction:column}
  .entry-card img{width:100%;height:170px}
  .cta-inner h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .spec-bar{grid-template-columns:1fr}
  .spec-item{border-right:0;border-bottom:1px solid var(--border)}
  .spec-item:last-child{border-bottom:0}
  .hero-actions .btn{width:100%}
  .cta-buttons .btn{width:100%}
}
body.nav-locked{overflow:hidden}

/* roulang page: category3 */
:root{
  --primary:#1A5FA8;
  --primary-dark:#124A85;
  --primary-soft:#EAF1FA;
  --accent:#127B8C;
  --warm:#E08A3C;
  --warm-deep:#A9622A;
  --ink:#14202E;
  --text:#3D4C5E;
  --muted:#6B7A8C;
  --line:#E3E8EF;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:18px;
  --shadow:0 1px 2px rgba(20,32,46,.04),0 8px 24px rgba(20,32,46,.06);
  --shadow-hover:0 12px 32px rgba(20,32,46,.10);
  --sidebar-w:248px;
  --t:180ms ease;
}
*,*::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",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
:focus-visible{outline:3px solid rgba(26,95,168,.25);outline-offset:2px;border-radius:8px}

/* ---------- 基础组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 10px 22px rgba(26,95,168,.26);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:8px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-soft{background:var(--primary-soft);color:var(--primary-dark)}
.badge-accent{background:rgba(18,123,140,.12);color:var(--accent)}
.badge-warm{background:rgba(224,138,60,.16);color:var(--warm-deep)}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  padding:24px 16px;display:flex;flex-direction:column;gap:8px;
  z-index:60;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 4px 18px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;flex:none;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--ink)}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:8px;
  font-size:15px;color:var(--text);
  transition:background var(--t),color var(--t);
}
.nav-item svg{width:18px;height:18px;flex:none}
.nav-item:hover{background:#F2F5F9}
.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:2px;background:var(--primary);
}
.side-divider{height:1px;background:var(--line);margin:16px 4px}
.member-card{
  margin-top:auto;background:var(--primary-soft);
  border-radius:12px;padding:16px;
}
.member-card p{margin:0 0 12px;font-size:13px;line-height:1.65;color:var(--primary-dark)}
.member-card .btn{width:100%}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{display:none}
.hamburger{
  width:40px;height:40px;border:0;background:transparent;border-radius:10px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.hamburger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink)}
.hamburger:hover{background:#F2F5F9}
.topbar-brand{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.2px}
.topbar-action{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:var(--primary);background:var(--primary-soft);
}
.topbar-action svg{width:20px;height:20px}
.scrim{display:none}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--sidebar-w);padding:40px 40px 0}
.wrap{max-width:1200px;margin:0 auto}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  padding:56px 48px;
  background-image:
    linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.93) 42%,rgba(255,255,255,.6) 72%,rgba(255,255,255,.28) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center right;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C3CDD8}
.crumb .now{color:var(--primary);font-weight:600}
.cat-hero h1{
  font-size:40px;line-height:1.3;letter-spacing:-.5px;margin-bottom:16px;max-width:640px;
}
.cat-hero-sub{font-size:17px;color:var(--text);max-width:560px;line-height:1.8}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.trust-row{
  display:flex;gap:24px;margin-top:32px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid rgba(227,232,239,.9);
}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.trust-row svg{width:18px;height:18px;color:var(--accent);flex:none}

/* ---------- 板块 ---------- */
.section{margin-top:80px}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{font-size:28px;line-height:1.35;letter-spacing:-.3px;margin-bottom:10px}
.section-head p{font-size:15px;color:var(--muted)}

/* ---------- 等级阶梯 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tier-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tier-card.feature{
  transform:translateY(-18px);
  border-color:rgba(26,95,168,.4);
  box-shadow:0 12px 32px rgba(20,32,46,.12);
}
.tier-card.feature:hover{transform:translateY(-22px)}
.tier-flag{
  position:absolute;top:-12px;left:24px;
  background:var(--warm);color:#fff;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:999px;letter-spacing:.3px;
}
.tier-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.tier-badge{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.tier-card h3{font-size:18px;margin-bottom:14px}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.tier-list li{position:relative;padding-left:14px;font-size:14.5px;color:var(--text);line-height:1.7}
.tier-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.tier-link{
  margin-top:auto;align-self:flex-start;font-size:14px;font-weight:600;color:var(--primary);
  transition:color var(--t),transform var(--t);display:inline-flex;align-items:center;gap:4px;
}
.tier-link:hover{color:var(--primary-dark);transform:translateX(2px)}

/* ---------- 权益分组 ---------- */
.rights-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.rights-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:box-shadow var(--t),transform var(--t);
}
.rights-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.rights-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.rights-icon{
  width:40px;height:40px;border-radius:12px;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;flex:none;
}
.rights-icon svg{width:20px;height:20px}
.rights-head h3{font-size:18px}
.rights-list{display:flex;flex-direction:column}
.rights-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:13px 0;border-top:1px dashed var(--line);
}
.rights-list li:first-child{border-top:0;padding-top:0}
.rights-list strong{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.rights-list span{display:block;font-size:13.5px;color:var(--muted);margin-top:2px}
.rights-dot{
  width:8px;height:8px;border-radius:50%;background:var(--primary);
  margin-top:8px;flex:none;
}
.rights-dot.alt{background:var(--warm)}

/* ---------- 流程条 ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);
}
.flow li{position:relative;padding-right:12px}
.flow li:not(:last-child)::after{
  content:"";position:absolute;top:17px;right:-14px;width:24px;height:1px;background:var(--line);
}
.flow-num{
  width:34px;height:34px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-bottom:12px;
}
.flow strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:6px}
.flow p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);transition:background var(--t);
}
.faq-q:hover{background:#FAFBFD}
.faq-q::before{content:"";width:3px;height:18px;border-radius:2px;background:var(--primary);flex:none}
.faq-q svg{width:18px;height:18px;margin-left:auto;color:var(--muted);flex:none;transition:transform .22s ease}
.faq-item.open .faq-q svg{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 20px 0 35px;font-size:15px;color:var(--muted);line-height:1.9}
.faq-item.open .faq-a{max-height:320px;padding-bottom:18px}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:80px;background:var(--primary-soft);
  border-radius:var(--radius-lg);padding:36px 40px;
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:24px;line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--text);max-width:520px}
.cta-action{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.cta-tags{display:flex;flex-wrap:wrap;gap:14px}
.cta-tags li{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--primary-dark)}
.cta-tags svg{width:16px;height:16px;color:var(--accent);flex:none}

/* ---------- 相关入口 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.related-card{
  display:flex;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(26,95,168,.3)}
.related-card img{width:112px;height:84px;border-radius:10px;object-fit:cover;flex:none}
.related-card h3{font-size:17px;margin:8px 0 6px}
.related-card p{font-size:14px;color:var(--muted);line-height:1.7}
.related-back{margin-top:28px}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:88px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:40px 32px 0;overflow:hidden;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.footer-name{font-size:16px;font-weight:700;color:var(--ink)}
.footer-intro{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:330px}
.footer-col-title{font-size:14px;font-weight:700;margin-bottom:14px}
.footer-list li{line-height:2}
.footer-list a,.footer-list span{font-size:14px;color:var(--muted);transition:color var(--t)}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:18px 0;font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main{padding:36px 32px 0}
}
@media (max-width:1023px){
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;top:0;left:0;right:0;height:60px;padding:0 12px;
    background:#fff;border-bottom:1px solid var(--line);z-index:70;
  }
  .sidebar{
    width:82vw;max-width:320px;
    transform:translateX(-100%);
    box-shadow:0 0 40px rgba(20,32,46,.18);
    transition:transform .26s ease;
  }
  .sidebar.open{transform:translateX(0)}
  .scrim{
    display:block;position:fixed;inset:0;background:rgba(20,32,46,.42);
    opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:55;
  }
  .scrim.show{opacity:1;visibility:visible}
  .main{margin-left:0;padding:84px 24px 0}
  .cat-hero{padding:36px 28px}
  .cat-hero h1{font-size:32px}
  .tier-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .tier-card.feature{transform:none}
  .tier-card.feature:hover{transform:translateY(-4px)}
  .rights-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr);gap:24px 20px}
  .flow li:not(:last-child)::after{display:none}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:767px){
  .section{margin-top:56px}
  .cat-hero{padding:28px 20px;border-radius:14px}
  .cat-hero h1{font-size:26px}
  .cat-hero-sub{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto}
  .trust-row{gap:14px;flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:22px}
  .tier-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .related-card{flex-direction:column;align-items:flex-start}
  .related-card img{width:100%;height:150px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a p{padding:0 16px 0 31px;font-size:14.5px}
  .cta-band h2{font-size:20px}
  .footer{padding:28px 20px 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:519px){
  .main{padding:78px 16px 0}
  .cat-hero h1{font-size:23px}
  .btn{height:42px;padding:0 16px;font-size:14.5px}
}

/* roulang page: category4 */
:root{
  --brand:#1A5FA8;
  --brand-dark:#124A85;
  --brand-soft:#EAF1FA;
  --teal:#127B8C;
  --copper:#E08A3C;
  --ink:#14202E;
  --text:#3D4C5E;
  --muted:#6B7A8C;
  --line:#E3E8EF;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ok:#1F9D63;
  --warn:#D98A1F;
  --err:#C4453B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:14px;
  --r-xl:16px;
  --sh-base:0 1px 2px rgba(20,32,46,.04),0 8px 24px rgba(20,32,46,.06);
  --sh-hover:0 12px 32px rgba(20,32,46,.10);
  --sidebar-w:248px;
  --t:180ms ease;
}
*{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:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(26,95,168,.25);outline-offset:2px;border-radius:6px;}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:16px;
  padding:22px 16px 18px;overflow-y:auto;z-index:60;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:0 6px 2px;}
.side-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px;
}
.side-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text);font-weight:500;
  transition:background var(--t),color var(--t);
}
.nav-item svg{width:18px;height:18px;flex:none;color:var(--muted);transition:color var(--t);}
.nav-item:hover{background:#F2F5F9;color:var(--ink);}
.nav-item:hover svg{color:var(--brand);}
.nav-item.is-active{
  background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.nav-item.is-active svg{color:var(--brand);}
.side-divider{height:1px;background:var(--line);margin:4px 6px;}
.side-card{
  margin-top:auto;background:var(--brand-soft);border-radius:var(--r-md);
  padding:16px;
}
.side-card-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.side-card-text{font-size:13px;color:var(--muted);line-height:1.65;margin-bottom:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(20,32,46,.06);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--sh-hover);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost{color:var(--brand);background:transparent;padding:0 6px;height:auto;}
.btn-ghost:hover{color:var(--brand-dark);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 14px;
}
.hamburger{width:40px;height:40px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 8px;border-radius:10px;}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--ink);}
.hamburger:hover{background:#F2F5F9;}
.topbar-brand{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
.topbar-action{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:var(--brand);background:var(--brand-soft);}
.topbar-action svg{width:20px;height:20px;}
.nav-overlay{
  position:fixed;inset:0;background:rgba(20,32,46,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 主区域 ---------- */
.main{margin-left:var(--sidebar-w);padding:34px 40px 0;}
.wrap{max-width:1200px;margin:0 auto;}
.section{margin-bottom:76px;}
.section:last-child{margin-bottom:56px;}
.section-head{margin-bottom:28px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--teal);letter-spacing:.6px;
  background:#E7F2F4;border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-title{font-size:28px;line-height:1.35;color:var(--ink);font-weight:700;letter-spacing:-.4px;}
.section-sub{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8;}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C3CDD9;}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* 页头 */
.page-head{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-base);overflow:hidden;margin-bottom:76px;
}
.page-head-grid{display:grid;grid-template-columns:6fr 4fr;align-items:center;gap:32px;padding:44px;}
.page-head h1{font-size:40px;line-height:1.25;color:var(--ink);font-weight:700;letter-spacing:-.8px;}
.page-head h1 .hl{color:var(--brand);}
.page-head-lead{margin-top:16px;font-size:16px;color:var(--muted);line-height:1.85;max-width:520px;}
.page-head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.page-head-badges{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
.badge-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);}
.badge-item svg{width:18px;height:18px;color:var(--teal);flex:none;}
.page-head-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-base);}

/* 步骤条 */
.steps{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px;box-shadow:var(--sh-base);
}
.step-list{position:relative;}
.step{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding-bottom:30px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:27px;top:52px;bottom:4px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,#D6E4F4 100%);
  border-radius:2px;
}
.step:last-child::before{display:none;}
.step-num{
  width:56px;height:56px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:19px;font-weight:700;border:1px solid #D6E4F4;
  position:relative;z-index:1;
}
.step-body{padding-top:4px;}
.step-title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.step-text{font-size:15px;color:var(--text);line-height:1.85;max-width:760px;}
.step-meta{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;color:var(--muted);}
.step-meta svg{width:15px;height:15px;color:var(--teal);}

/* 自查清单 */
.check-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px;box-shadow:var(--sh-base);
}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:18px 26px;}
.check-item{display:flex;gap:12px;align-items:flex-start;}
.check-icon{
  width:24px;height:24px;border-radius:50%;flex:none;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
}
.check-icon svg{width:14px;height:14px;}
.check-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:4px;}
.check-text{font-size:14px;color:var(--muted);line-height:1.75;}
.check-media img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-base);}
.check-media figcaption{margin-top:12px;font-size:13px;color:var(--muted);text-align:center;}

/* 数据带 */
.metric-band{
  background:var(--brand-soft);border-radius:var(--r-xl);
  padding:28px 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.metric{display:flex;flex-direction:column;gap:6px;}
.metric-value{font-size:22px;font-weight:700;color:var(--brand);letter-spacing:-.4px;}
.metric-label{font-size:14px;color:var(--muted);}

/* FAQ */
.faq-wrap{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow var(--t),border-color var(--t);
}
.faq-item:hover{border-color:#D6E4F4;box-shadow:var(--sh-base);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-bar{width:3px;height:20px;border-radius:2px;background:var(--brand);flex:none;}
.faq-q span.q-text{flex:1;}
.faq-arrow{
  width:22px;height:22px;flex:none;color:var(--muted);
  transition:transform var(--t),color var(--t);
}
.faq-item.is-open .faq-arrow{transform:rotate(90deg);color:var(--brand);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a-inner{padding:0 22px 20px 39px;font-size:15px;color:var(--muted);line-height:1.9;}

/* 相关入口 */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-card{
  display:flex;gap:20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-base);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.entry-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D6E4F4;}
.entry-card img{width:96px;height:96px;object-fit:cover;border-radius:var(--r-md);flex:none;}
.entry-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:3px 10px;margin-bottom:8px;
}
.entry-title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.5;}
.entry-text{font-size:14px;color:var(--muted);line-height:1.75;}
.entry-foot{margin-top:14px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;}

/* 页脚 */
.footer{
  margin-left:var(--sidebar-w);
  background:#fff;border-top:1px solid var(--line);
  padding:52px 40px 0;
}
.footer-grid{
  max-width:1200px;margin:0 auto;display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.footer-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.footer-intro{font-size:14px;color:var(--muted);line-height:1.9;max-width:320px;}
.footer-col-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list li{font-size:14px;color:var(--muted);line-height:2;}
.footer-list a{color:var(--muted);}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  max-width:1200px;margin:0 auto;border-top:1px solid var(--line);
  padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main{padding:30px 32px 0;}
  .footer{padding:48px 32px 0;}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);transition:transform 240ms ease;
    width:82vw;max-width:320px;box-shadow:0 12px 40px rgba(20,32,46,.18);
    z-index:90;padding-top:20px;
  }
  .sidebar.is-open{transform:translateX(0);}
  .topbar{display:flex;}
  .main{margin-left:0;padding:82px 24px 0;}
  .footer{margin-left:0;padding:44px 24px 0;}
  .section{margin-bottom:56px;}
  .page-head{margin-bottom:56px;}
  .page-head-grid{grid-template-columns:1fr;padding:32px;gap:26px;}
  .page-head h1{font-size:30px;}
  .page-head-media img{aspect-ratio:16/9;}
  .check-grid{grid-template-columns:1fr;}
  .check-media img{aspect-ratio:16/9;}
  .metric-band{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .main{padding:78px 18px 0;}
  .footer{padding:40px 18px 0;}
  .section{margin-bottom:44px;}
  .page-head{margin-bottom:44px;}
  .page-head-grid{padding:24px;}
  .page-head h1{font-size:28px;letter-spacing:-.4px;}
  .page-head-lead{font-size:15px;}
  .section-title{font-size:22px;}
  .steps{padding:24px 20px;}
  .step{grid-template-columns:46px 1fr;gap:16px;}
  .step-num{width:46px;height:46px;font-size:17px;}
  .step::before{left:22px;top:44px;}
  .check-card{padding:22px;}
  .check-list{grid-template-columns:1fr;}
  .metric-band{grid-template-columns:1fr;padding:22px;gap:18px;}
  .entry-grid{grid-template-columns:1fr;}
  .entry-card{flex-direction:column;}
  .entry-card img{width:100%;height:160px;}
  .faq-a-inner{padding:0 18px 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .page-head-actions .btn{width:100%;}
}
@media (max-width:520px){
  .page-head-actions{flex-direction:column;}
  .btn{width:100%;}
  .entry-foot .btn{width:auto;}
}

/* roulang page: category5 */
:root{
  --primary:#1A5FA8;
  --primary-dark:#124A85;
  --primary-soft:#EAF1FA;
  --accent:#127B8C;
  --warm:#E08A3C;
  --ink:#14202E;
  --text:#3D4C5E;
  --muted:#6B7A8C;
  --line:#E3E8EF;
  --page:#F6F8FB;
  --surface:#FFFFFF;
  --hover-soft:#F2F5F9;
  --success:#1F9D63;
  --warn:#D98A1F;
  --danger:#C4453B;
  --radius-xs:8px;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:16px;
  --shadow:0 1px 2px rgba(20,32,46,.04),0 8px 24px rgba(20,32,46,.06);
  --shadow-hover:0 12px 32px rgba(20,32,46,.10);
  --sidebar-w:248px;
  --gap:24px;
  --section-gap:80px;
  --ease:180ms ease;
}
*,*::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",Roboto,sans-serif;
  font-size:16px;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(26,95,168,.25);outline-offset:2px;border-radius:6px;}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:22px 16px 20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  z-index:90;
  transform:translateX(-100%);
  transition:transform 220ms ease;
  overflow-y:auto;
}
.sidebar.open{transform:translateX(0);}
.sidebar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:4px 8px 0;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--ink);
}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:0 12px;
  border-radius:var(--radius-xs);
  color:var(--text);
  font-size:14.5px;
  font-weight:500;
  border-left:3px solid transparent;
}
.nav-item svg{width:18px;height:18px;flex:0 0 auto;color:var(--accent);}
.nav-item:hover{background:var(--hover-soft);color:var(--ink);}
.nav-item.active{
  background:var(--primary-soft);
  color:var(--primary);
  border-left-color:var(--primary);
  font-weight:600;
}
.nav-item.active svg{color:var(--primary);}
.sidebar-divider{height:1px;background:var(--line);margin:2px 0;}
.member-card{
  margin-top:auto;
  background:var(--primary-soft);
  border-radius:12px;
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.member-title{font-size:14.5px;font-weight:600;color:var(--ink);}
.member-note{font-size:13px;color:var(--muted);line-height:1.6;}
.sidebar-foot{
  font-size:12px;
  color:var(--muted);
  padding:0 4px;
}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:flex;
  align-items:center;
  gap:12px;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  padding:0 14px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  z-index:100;
}
.hamburger{
  width:40px;height:40px;
  border-radius:var(--radius-sm);
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.hamburger:hover{background:var(--hover-soft);}
.topbar-brand{
  font-size:16px;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--ink);
  flex:1;
  text-align:center;
}
.topbar-action{
  width:40px;height:40px;
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
}
.topbar-action svg{width:20px;height:20px;}
.topbar-action:hover{background:var(--primary-soft);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(20,32,46,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity 200ms ease,visibility 200ms ease;
  z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ---------- 主内容 ---------- */
.main{
  padding:76px 18px 56px;
  min-height:100vh;
}
.container{max-width:1200px;margin:0 auto;}
.section{margin-bottom:64px;}
.section-head{margin-bottom:26px;}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--accent);
  letter-spacing:.4px;
  margin-bottom:10px;
}
.section-eyebrow::before{
  content:"";
  width:22px;height:2px;border-radius:2px;
  background:var(--accent);
}
.section-title{
  font-size:24px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.4px;
}
.section-desc{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  max-width:760px;
}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--shadow);
  margin-bottom:56px;
}
.hero-media{
  position:absolute;
  top:0;right:0;bottom:0;
  width:46%;
  overflow:hidden;
}
.hero-media img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.96),rgba(255,255,255,.35));
}
.hero-inner{
  position:relative;
  padding:40px 26px;
  max-width:640px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#B4C0CD;}
.breadcrumb .current{color:var(--primary);font-weight:600;}
.page-hero h1{
  font-size:28px;
  line-height:1.32;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.6px;
}
.hero-lead{
  margin-top:16px;
  font-size:16px;
  color:var(--text);
  line-height:1.75;
}
.hero-meta{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:13px;
  font-weight:500;
}
.chip.outline{
  background:transparent;
  border:1px solid var(--line);
  color:var(--muted);
}
.chip svg{width:14px;height:14px;}

/* ---------- 置顶公告 ---------- */
.pin-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
.pin-card{
  display:flex;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--primary);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.pin-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.pin-card.is-warm{border-left-color:var(--warm);}
.pin-icon{
  width:40px;height:40px;
  flex:0 0 auto;
  border-radius:12px;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.pin-card.is-warm .pin-icon{background:#FCF1E5;color:var(--warm);}
.pin-icon svg{width:20px;height:20px;}
.pin-body h3{
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.pin-body p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.7;
}
.pin-foot{
  margin-top:12px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  flex-wrap:wrap;
}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.stat{
  background:var(--surface);
  padding:20px;
}
.stat-value{
  font-size:24px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:-.6px;
  font-variant-numeric:tabular-nums;
}
.stat-label{
  margin-top:6px;
  font-size:13.5px;
  color:var(--muted);
}

/* ---------- 时间线 ---------- */
.timeline{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.timeline-item{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  padding:22px;
  border-bottom:1px dashed var(--line);
  transition:background-color var(--ease);
}
.timeline-item:last-child{border-bottom:0;}
.timeline-item:hover{background:#FBFCFE;}
.date-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:start;
  padding:6px 12px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.date-badge svg{width:14px;height:14px;}
.tl-main h3{
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  line-height:1.55;
}
.tl-main p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.7;
  max-width:820px;
}
.tl-tags{
  margin-top:12px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:500;
  background:#EEF4F6;
  color:var(--accent);
}
.tag.update{background:#EAF1FA;color:var(--primary);}
.tag.rights{background:#FCF1E5;color:#B36F26;}
.tag.notice{background:#EDF7F1;color:var(--success);}
.tag.service{background:#F1F3F7;color:var(--muted);}
.timeline-more{
  display:flex;
  justify-content:center;
  padding:20px;
  background:#FBFCFE;
  border-top:1px solid var(--line);
}

/* ---------- 更新说明双栏 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
}
.split-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.split-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.check-item{display:flex;gap:12px;align-items:flex-start;}
.check-icon{
  width:24px;height:24px;
  flex:0 0 auto;
  border-radius:8px;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.check-icon svg{width:14px;height:14px;}
.check-item strong{display:block;font-size:15.5px;color:var(--ink);font-weight:600;}
.check-item span{font-size:14px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  text-align:left;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  position:relative;
  transition:background-color var(--ease);
}
.faq-q::before{
  content:"";
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--primary);
  flex:0 0 auto;
}
.faq-q:hover{background:#FBFCFE;}
.faq-q .chev{
  margin-left:auto;
  width:18px;height:18px;
  color:var(--muted);
  transition:transform var(--ease);
  flex:0 0 auto;
}
.faq-item.open .faq-q .chev{transform:rotate(90deg);color:var(--primary);}
.faq-a{
  display:none;
  padding:0 20px 20px 35px;
  font-size:15px;
  color:var(--muted);
  line-height:1.9;
}
.faq-item.open .faq-a{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--primary-soft);
  border-radius:var(--radius-lg);
  padding:34px 26px;
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
.cta-band h2{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.4px;
  line-height:1.4;
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  color:var(--text);
  max-width:560px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}
.cta-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text);
  background:rgba(255,255,255,.75);
  border-radius:999px;
  padding:6px 12px;
}
.cta-tag svg{width:14px;height:14px;color:var(--accent);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 8px 20px rgba(26,95,168,.24);transform:translateY(-1px);}
.btn-outline{background:var(--surface);color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 相关入口 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.entry-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.entry-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-body h3{font-size:16.5px;font-weight:600;color:var(--ink);}
.entry-body p{font-size:14px;color:var(--muted);line-height:1.7;flex:1;}
.entry-link{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.entry-link svg{width:14px;height:14px;transition:transform var(--ease);}
.entry-card:hover .entry-link svg{transform:translateX(3px);}
.back-row{display:flex;justify-content:center;margin-top:26px;}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:24px;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:44px 18px 22px;
}
.footer-grid{
  max-width:1200px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr;
  gap:30px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.footer-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
.footer-intro{font-size:14px;color:var(--muted);line-height:1.8;max-width:320px;}
.footer-col-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:12px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--muted);line-height:1.5;}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  max-width:1200px;
  margin:32px auto 0;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .main{padding:76px 24px 64px;}
  .hero-inner{padding:48px 36px;}
  .page-hero h1{font-size:34px;}
  .pin-grid{grid-template-columns:repeat(2,1fr);}
  .stat-bar{grid-template-columns:repeat(4,1fr);}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .timeline-item{grid-template-columns:132px 1fr;gap:20px;padding:24px 26px;}
  .date-badge{align-self:start;justify-self:start;}
  .cta-band{padding:40px 34px;}
  .section-title{font-size:26px;}
}
@media (min-width:768px){
  .split{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:7fr 5fr;align-items:center;}
}
@media (min-width:1024px){
  .topbar{display:none;}
  .drawer-mask{display:none;}
  .sidebar{transform:none;}
  .main{margin-left:var(--sidebar-w);padding:40px;min-height:100vh;}
  .section{margin-bottom:var(--section-gap);}
  .page-hero h1{font-size:40px;}
  .hero-inner{padding:56px 48px;max-width:660px;}
  .footer{padding:56px 40px 26px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
}
@media (min-width:1280px){
  .pin-grid{grid-template-columns:repeat(3,1fr);}
}