/* roulang page: index */
:root{
  --primary:#1C6FA5;
  --primary-dark:#134E75;
  --primary-light:#E8F2F9;
  --bamboo:#4F8A5F;
  --bamboo-light:#EDF6EF;
  --amber:#B96A12;
  --amber-light:#FBF0E2;
  --ink:#14212B;
  --ink-2:#3F5363;
  --muted:#788A98;
  --border:#DEE7EE;
  --card:#FFFFFF;
  --page:#F5F8FA;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:18px;
  --shadow-1:0 1px 2px rgba(20,45,65,.05),0 6px 18px rgba(20,45,65,.06);
  --shadow-2:0 12px 28px rgba(20,45,65,.10);
  --shadow-3:0 18px 48px rgba(20,45,65,.10);
  --sidebar:248px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  color:var(--ink);
  background:var(--page);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.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;font-size:14px;
}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid rgba(28,111,165,.25);outline-offset:2px;border-radius:6px}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar);height:100vh;
  background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;z-index:50;
}
.sidebar-brand{
  height:72px;flex:none;display:flex;align-items:center;gap:10px;
  padding:0 20px;border-bottom:1px solid var(--border);
}
.brand-mark{width:28px;height:28px;flex:none;display:block}
.brand-text{font-size:15px;font-weight:700;line-height:1.25;letter-spacing:.01em;color:var(--ink)}
.brand-text span{display:block}
.sidebar-nav{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:2px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:14px;color:var(--ink-2);
  transition:background .18s,color .18s;
}
.nav-link:hover{background:#F1F6FA;color:var(--primary-dark)}
.nav-link.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--primary);
}
.nav-icon{width:18px;height:18px;flex:none;opacity:.9}
.sidebar-cta{
  margin:12px;padding:16px;border-radius:var(--radius);
  background:var(--primary-light);border:1px solid #D3E4F0;
}
.sidebar-cta h3{font-size:14px;font-weight:700;color:var(--primary-dark);line-height:1.5}
.sidebar-cta p{font-size:12px;color:#4A6C85;line-height:1.6;margin-top:6px}
.sidebar-cta .btn{width:100%;margin-top:12px}

/* ============ 移动端顶栏 & 抽屉 ============ */
.mobile-topbar{display:none}
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(10,25,35,.42)}
.drawer-panel{
  position:absolute;top:0;left:0;bottom:0;width:86vw;max-width:320px;
  background:#fff;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .26s ease;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{
  height:60px;flex:none;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;border-bottom:1px solid var(--border);
}
.drawer-nav{flex:1;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.drawer-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:48px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
}
.drawer-link.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.drawer-link.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--primary)}
.drawer-foot{padding:14px 16px 20px;border-top:1px solid var(--border)}
.drawer-foot .btn{width:100%}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--ink-2);cursor:pointer;
  transition:background .18s,border-color .18s;
}
.icon-btn:hover{background:#F1F6FA;border-color:#B9D3E4}

/* ============ 主内容 ============ */
.main{margin-left:var(--sidebar);min-height:100vh}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.section{padding:88px 0}
.section--white{background:#fff}
.section--tight{padding:64px 0}
.section-head{max-width:740px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--primary);
  background:var(--primary-light);border-radius:999px;padding:5px 12px;line-height:1.5;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary)}
.section-title{
  font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;
  letter-spacing:.01em;margin-top:16px;
}
.section-desc{margin-top:12px;font-size:15.5px;line-height:1.8;color:var(--ink-2)}
.bamboo-divider{width:56px;height:2px;background:var(--primary);border-radius:2px;position:relative;margin-top:18px}
.bamboo-divider::after{
  content:"";position:absolute;right:-8px;top:-2px;width:6px;height:6px;border-radius:50%;background:var(--primary);
}

/* ============ 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:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(19,78,117,.22)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-outline{background:#fff;color:var(--primary);border-color:#B9D3E4}
.btn-outline:hover{background:var(--primary-light);border-color:#B9D3E4}
.btn-outline:active{transform:scale(.99)}
.btn-ghost{background:transparent;color:var(--ink-2)}
.btn-ghost:hover{background:#EDF3F8;color:var(--primary-dark)}
.btn-lg{height:48px;padding:0 24px;font-size:15px}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px}
.btn:focus-visible{outline:3px solid rgba(28,111,165,.25);outline-offset:2px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ============ 徽章 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;border-radius:999px;padding:4px 10px;
  background:var(--primary-light);color:var(--primary-dark);line-height:1.5;
}
.pill-live{background:var(--amber-light);color:var(--amber)}
.pill-bamboo{background:var(--bamboo-light);color:#33623F}
.dot-live{width:6px;height:6px;border-radius:50%;background:var(--amber);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (prefers-reduced-motion:reduce){
  .dot-live{animation:none}
  .card:hover,.btn-primary:hover{transform:none}
}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#B9D3E4}
.card-title{font-size:17px;font-weight:600;line-height:1.45;color:var(--ink)}
.card-text{font-size:14px;line-height:1.7;color:var(--ink-2)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:linear-gradient(180deg,#F7FAFC 0%,var(--page) 100%);
}
.hero::after{
  content:"";position:absolute;right:-40px;top:-40px;width:420px;height:420px;
  background-image:linear-gradient(to right,rgba(28,111,165,.10) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(28,111,165,.10) 1px,transparent 1px);
  background-size:28px 28px;opacity:.45;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;position:relative;z-index:1}
.hero-title{
  font-size:clamp(30px,4.2vw,46px);line-height:1.18;font-weight:700;
  letter-spacing:.01em;margin-top:18px;color:var(--ink);
}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.8;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:36px;flex-wrap:wrap}
.hero-stat .stat-num{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);line-height:1.3}
.hero-stat .stat-label{font-size:12px;color:var(--muted);margin-top:2px}
.hero-figure{position:relative}
.hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;
  box-shadow:var(--shadow-3);border:1px solid rgba(255,255,255,.6);
}
.hero-card{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:var(--radius);
  padding:14px 16px;box-shadow:var(--shadow-2);backdrop-filter:blur(6px);
}
.hero-card p{font-size:13px;line-height:1.6;color:var(--ink-2);margin-top:8px}
.hero-card-metrics{display:flex;gap:22px;margin-top:10px}
.hero-card-metrics span{font-size:12px;color:var(--muted)}
.hero-card-metrics b{display:block;font-size:15px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}

/* ============ 信任条 ============ */
.trust{padding:28px 0;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{display:flex;gap:12px;padding:0 24px;border-left:1px solid var(--border)}
.trust-item:first-child{border-left:0;padding-left:0}
.trust-icon{width:20px;height:20px;flex:none;color:var(--primary);margin-top:2px}
.trust-label{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.trust-note{font-size:12px;color:var(--muted);line-height:1.6;margin-top:2px}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.bento-item{padding:24px;display:flex;flex-direction:column}
.bento-lg{grid-column:span 3;grid-row:span 2}
.bento-md{grid-column:span 3}
.bento-sm{grid-column:span 2}
.bento-item .card-text{margin-top:10px}
.bento-link{
  margin-top:auto;padding-top:16px;display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:600;color:var(--primary);
}
.bento-link:hover{color:var(--primary-dark)}
.mini-list{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.mini-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border:1px solid var(--border);border-radius:10px;background:#FAFCFE;
  font-size:13.5px;color:var(--ink-2);
}
.mini-row .t{color:var(--muted);font-size:12.5px}

/* ============ 使用场景 ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-top:56px}
.scene:first-of-type{margin-top:8px}
.scene.reverse .scene-media{order:2}
.scene-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid var(--border);transition:transform .3s}
.scene-media:hover .scene-img{transform:scale(1.02)}
.scene-media{overflow:hidden;border-radius:12px}
.scene-title{font-size:20px;font-weight:700;line-height:1.4;margin-top:14px;color:var(--ink)}
.scene-desc{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin-top:12px}
.scene-points{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.scene-points li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.scene-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--bamboo);flex:none;margin-top:9px;
}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:1fr 1fr .72fr;gap:20px;align-items:stretch}
.case-card{padding:26px;display:flex;flex-direction:column;gap:16px}
.case-part .case-label{
  font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em;display:block;margin-bottom:4px;
}
.case-part p{font-size:14px;line-height:1.75;color:var(--ink-2)}
.case-result{
  margin-top:auto;padding:12px 14px;border-radius:10px;background:var(--bamboo-light);
  font-size:13px;color:#33623F;font-weight:600;
}

/* ============ 方案价格 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  position:relative;padding:28px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--border);box-shadow:var(--shadow-1);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#B9D3E4}
.plan--featured{box-shadow:0 18px 48px rgba(20,45,65,.10);transform:translateY(-4px);border-color:#B9D3E4}
.plan--featured::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--primary);border-radius:var(--radius) var(--radius) 0 0;
}
.plan-name{font-size:16px;font-weight:700;color:var(--ink)}
.plan-price{font-size:30px;font-weight:700;line-height:1.2;margin-top:12px;color:var(--primary-dark);font-variant-numeric:tabular-nums}
.plan-price small{font-size:13px;font-weight:400;color:var(--muted);margin-left:6px}
.plan-desc{font-size:13.5px;line-height:1.7;color:var(--ink-2);margin-top:10px}
.plan-list{margin-top:20px;display:flex;flex-direction:column;gap:9px}
.plan-list li{font-size:13.5px;line-height:1.7;color:var(--ink-2);display:flex;gap:9px}
.plan-list li::before{content:"✓";color:var(--bamboo);font-weight:700;flex:none}
.plan .btn{width:100%;margin-top:24px}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;padding:22px;height:100%}
.news-title{
  font-size:17px;font-weight:600;line-height:1.45;margin-top:14px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;line-height:1.7;color:var(--muted);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid #EEF3F7;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--muted);
}
.news-more{display:inline-flex;align-items:center;gap:5px;font-weight:600;color:var(--primary)}
.news-more:hover{color:var(--primary-dark)}
.empty-state{
  border:1px dashed #C8D8E4;border-radius:var(--radius);background:#FBFDFF;
  padding:44px 24px;text-align:center;
}
.empty-state svg{width:28px;height:28px;color:#9CB4C6;margin:0 auto}
.empty-title{font-size:16px;font-weight:600;margin-top:12px;color:var(--ink-2)}
.empty-note{font-size:14px;color:var(--muted);margin-top:6px}
.empty-state .btn{margin-top:18px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;max-width:880px}
.faq-side p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin-top:14px}
.faq-side .btn{margin-top:20px}
.faq-item{
  border:1px solid var(--border);border-radius:12px;background:#fff;
  margin-bottom:12px;overflow:hidden;transition:background .2s,border-color .2s;
}
.faq-item:hover{border-color:#B9D3E4}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;min-height:64px;font-size:15px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{position:relative;width:20px;height:20px;flex:none;transition:transform .22s}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-plus::before{left:0;right:0;top:9px;height:2px}
.faq-plus::after{top:0;bottom:0;left:9px;width:2px;transition:opacity .22s}
.faq-item[open]{background:#FBFDFF}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-item[open] .faq-plus::after{opacity:0}
.faq-answer{padding:0 20px 20px;font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ============ 结尾 CTA ============ */
.cta-panel{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--primary-light);border:1px solid #D3E4F0;border-left:4px solid var(--primary);
  border-radius:var(--radius-lg);padding:36px 40px;flex-wrap:wrap;
}
.cta-panel h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;color:var(--primary-dark)}
.cta-panel p{font-size:14.5px;line-height:1.8;color:#3E6280;margin-top:8px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:#0F2A38;color:#C9D8E2;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#9FB8C8;margin-top:14px;max-width:280px}
.footer-title{font-size:13px;font-weight:600;color:#fff;letter-spacing:.02em}
.footer-links{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:#C9D8E2;line-height:1.6;transition:color .18s}
.footer-links a:hover{color:#9AD1AE}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(201,216,226,.16);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#8FA9B9;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar:220px}
  .container{padding:0 32px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .mobile-topbar{
    display:flex;position:fixed;top:0;left:0;right:0;height:60px;z-index:60;
    align-items:center;justify-content:space-between;padding:0 16px;
    background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border);
  }
  .mobile-topbar .brand-text{font-size:13px}
  .main{margin-left:0;padding-top:60px}
  .hero{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{order:2}
  .hero-card{position:static;margin-top:12px;right:auto;left:auto;bottom:auto;box-shadow:var(--shadow-1)}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:20px 0}
  .trust-item:nth-child(3){border-left:0;padding-left:0}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-lg{grid-column:span 2;grid-row:auto}
  .bento-md{grid-column:span 2}
  .bento-sm{grid-column:span 1}
  .case-grid{grid-template-columns:1fr 1fr}
  .case-grid .case-card:last-child{grid-column:span 2}
  .plans{grid-template-columns:1fr}
  .plan--featured{transform:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:28px;max-width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scene{gap:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .scene{grid-template-columns:1fr;gap:20px;margin-top:40px}
  .scene.reverse .scene-media{order:0}
  .case-grid{grid-template-columns:1fr}
  .case-grid .case-card:last-child{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bento-lg,.bento-md,.bento-sm{grid-column:span 1}
  .cta-panel{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:519px){
  .hero-title{font-size:30px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:20px 28px}
  .trust-grid{grid-template-columns:1fr}
  .trust-item{border-left:0;padding:0}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .news-foot{flex-wrap:wrap}
}

/* roulang page: category1 */
:root{
    --primary:#1C6FA5;
    --primary-dark:#134E75;
    --primary-light:#E8F2F9;
    --bamboo:#4F8A5F;
    --bamboo-light:#EDF6EF;
    --amber:#B96A12;
    --amber-light:#FBF0E2;
    --ink:#14212B;
    --ink-2:#3F5363;
    --muted:#788A98;
    --border:#DEE7EE;
    --border-hover:#B9D3E4;
    --card:#FFFFFF;
    --bg:#F5F8FA;
    --footer-bg:#0F2A38;
    --footer-text:#C9D8E2;
    --radius-sm:10px;
    --radius-md:14px;
    --radius-lg:18px;
    --shadow-sm:0 1px 2px rgba(20,45,65,.05),0 6px 18px rgba(20,45,65,.06);
    --shadow-md:0 12px 28px rgba(20,45,65,.10);
    --shadow-lg:0 18px 48px rgba(20,45,65,.10);
    --sidebar-w:248px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}
  :focus-visible{outline:3px solid rgba(28,111,165,.35);outline-offset:2px;border-radius:6px;}

  .skip-link{
    position:absolute;left:-9999px;top:0;z-index:200;
    background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--radius-sm) 0;
  }
  .skip-link:focus{left:0;}

  /* ============ 侧栏 ============ */
  .site-sidebar{
    position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
    background:#fff;border-right:1px solid var(--border);
    display:none;flex-direction:column;z-index:80;
  }
  .brand{
    display:flex;align-items:center;gap:10px;
    height:72px;padding:0 20px;border-bottom:1px solid var(--border);
    flex:0 0 auto;
  }
  .brand-mark{width:28px;height:28px;flex:0 0 28px;}
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-text span:first-child{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
  .brand-text span:last-child{font-size:12px;font-weight:600;color:var(--primary);letter-spacing:.02em;}
  .sidebar-nav{
    flex:1 1 auto;overflow-y:auto;padding:16px 12px 8px;
    display:flex;flex-direction:column;gap:4px;
  }
  .nav-link{
    display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px;border-radius:var(--radius-sm);
    font-size:14px;font-weight:500;color:var(--ink-2);
    position:relative;transition:background .18s ease,color .18s ease;
  }
  .nav-link:hover{background:#F1F5F8;color:var(--ink);}
  .nav-link.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}
  .nav-link.active::before{
    content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
    border-radius:999px;background:var(--primary);
  }
  .nav-icon{width:18px;height:18px;flex:0 0 18px;opacity:.85;}
  .sidebar-foot{padding:12px;border-top:1px solid var(--border);flex:0 0 auto;}
  .entry-panel{
    background:var(--primary-light);border:1px solid var(--border-hover);
    border-radius:var(--radius-md);padding:14px;
  }
  .entry-panel p{font-size:12px;line-height:1.6;color:var(--ink-2);margin-bottom:10px;}
  .entry-panel .entry-title{font-size:13px;font-weight:700;color:var(--primary-dark);margin-bottom:4px;}

  /* ============ 移动顶栏 ============ */
  .mobile-bar{
    position:fixed;top:0;left:0;right:0;height:60px;z-index:90;
    background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border);
    display:flex;align-items:center;justify-content:space-between;
    padding:0 16px;
  }
  .menu-btn{
    width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:var(--ink-2);
    cursor:pointer;transition:background .18s ease,border-color .18s ease;
  }
  .menu-btn:hover{background:#F1F5F8;border-color:var(--border-hover);}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(10,25,35,.42);z-index:95;
    opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;left:0;bottom:0;width:86vw;max-width:320px;background:#fff;z-index:96;
    transform:translateX(-100%);transition:transform .26s ease;
    display:flex;flex-direction:column;box-shadow:var(--shadow-lg);
  }
  .drawer.open{transform:translateX(0);}
  .drawer .brand{border-bottom:1px solid var(--border);}
  .drawer-nav{flex:1 1 auto;overflow-y:auto;padding:12px;}
  .drawer-nav .nav-link{height:48px;}
  .drawer-foot{padding:12px;border-top:1px solid var(--border);}
  .drawer-close{
    margin-left:auto;width:32px;height:32px;border:none;background:transparent;
    color:var(--muted);cursor:pointer;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  }
  .drawer-close:hover{background:#F1F5F8;color:var(--ink);}

  /* ============ 主内容 ============ */
  .page-main{padding-top:60px;min-height:100vh;}
  .page-wrap{max-width:1120px;margin:0 auto;padding:32px 20px 0;}
  .container{max-width:1240px;margin:0 auto;padding:0 20px;}

  /* 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:14px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--primary);color:#fff;}
  .btn-primary:hover{background:var(--primary-dark);box-shadow:0 6px 16px rgba(28,111,165,.22);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0) scale(.99);box-shadow:none;}
  .btn-ghost{background:#fff;color:var(--primary);border-color:var(--border-hover);}
  .btn-ghost:hover{background:var(--primary-light);border-color:var(--primary);}
  .btn-ghost:active{transform:scale(.99);}
  .btn-lg{height:48px;padding:0 24px;font-size:15px;}
  .btn-block{width:100%;}
  .btn:disabled{opacity:.5;cursor:not-allowed;}

  /* 徽章 */
  .pill{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;font-weight:600;line-height:1;
    padding:7px 12px;border-radius:999px;
    background:var(--primary-light);color:var(--primary-dark);
  }
  .pill-dot::before{content:"";width:6px;height:6px;border-radius:999px;background:currentColor;}
  .pill-live{background:var(--amber-light);color:var(--amber);}
  .pill-live::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--amber);animation:pulse 2s ease-in-out infinite;}
  .pill-soon{background:var(--bamboo-light);color:var(--bamboo);}
  .pill-done{background:#EEF2F5;color:var(--muted);}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}
  @media (prefers-reduced-motion:reduce){
    .pill-live::before{animation:none;}
    .btn{transition:none;}
    .card{transition:none;}
  }

  /* Hero */
  .hero{
    position:relative;background:#fff;border:1px solid var(--border);
    border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
    padding:36px;overflow:hidden;
  }
  .hero::after{
    content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;
    background-image:linear-gradient(rgba(28,111,165,.30) 1px,transparent 1px),linear-gradient(90deg,rgba(28,111,165,.30) 1px,transparent 1px);
    background-size:26px 26px;opacity:.05;pointer-events:none;
  }
  .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:start;position:relative;z-index:1;}
  .hero h1{
    font-size:clamp(30px,4.2vw,46px);line-height:1.18;font-weight:700;letter-spacing:.01em;
    margin:16px 0 14px;color:var(--ink);
  }
  .hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .hero-metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:28px;padding-top:22px;border-top:1px solid var(--border);}
  .metric-num{font-size:16px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;}
  .metric-label{font-size:12px;color:var(--muted);margin-top:2px;}

  .sched-preview{
    background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);
    padding:18px;
  }
  .sched-preview-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
  .sched-preview-head h2,.sched-preview-head .sp-title{font-size:13px;font-weight:700;color:var(--ink);}
  .sched-item{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
    padding:12px;margin-bottom:10px;
  }
  .sched-item:last-child{margin-bottom:0;}
  .sched-time{font-size:13px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;flex:0 0 auto;}
  .sched-name{font-size:13px;color:var(--ink-2);flex:1 1 auto;}
  .sched-note{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.6;}

  /* 筛选项 */
  .filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
  .chip{
    height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--border);
    background:#fff;color:var(--ink-2);font-size:13px;font-weight:500;cursor:pointer;
    transition:background .18s ease,color .18s ease,border-color .18s ease;
  }
  .chip:hover{border-color:var(--border-hover);background:var(--primary-light);color:var(--primary-dark);}
  .chip[aria-pressed="true"]{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;}

  /* 赛程列表 */
  .schedule-list{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);}
  .schedule-head{
    display:grid;grid-template-columns:92px 1fr 110px 140px;gap:16px;align-items:center;
    padding:12px 20px;background:#F0F5F9;font-size:13px;font-weight:600;color:var(--muted);
    border-bottom:1px solid var(--border);
  }
  .schedule-row{
    display:grid;grid-template-columns:92px 1fr 110px 140px;gap:16px;align-items:center;
    padding:0 20px;min-height:60px;border-bottom:1px solid var(--border);
    transition:background .16s ease;
  }
  .schedule-row:last-child{border-bottom:none;}
  .schedule-row:hover{background:#F7FBFD;}
  .schedule-row .s-time{font-size:15px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums;}
  .schedule-row .s-name{font-size:15px;font-weight:600;color:var(--ink);}
  .schedule-row .s-sub{font-size:12px;color:var(--muted);font-weight:400;margin-top:2px;}
  .s-link{
    font-size:13px;font-weight:600;color:var(--primary);
    display:inline-flex;align-items:center;gap:4px;
  }
  .s-link:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}

  /* 区块 */
  .section{padding:56px 0 0;}
  .section-head{margin-bottom:28px;max-width:640px;}
  .section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.25;font-weight:700;letter-spacing:.01em;}
  .section-head p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2);}
  .divider-bamboo{width:56px;height:2px;background:var(--primary);position:relative;margin-top:14px;border-radius:2px;}
  .divider-bamboo::after{content:"";position:absolute;right:-7px;top:-1.5px;width:5px;height:5px;border-radius:999px;background:var(--primary);}

  /* 说明卡 */
  .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);
    padding:24px;box-shadow:var(--shadow-sm);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--border-hover);}
  .card h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:8px;}
  .card p{font-size:14px;line-height:1.7;color:var(--ink-2);}
  .card-ico{
    width:38px;height:38px;border-radius:12px;background:var(--primary-light);color:var(--primary);
    display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;
  }
  .card-ico svg{width:20px;height:20px;}

  /* 图文块 */
  .split{
    display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
    padding:28px;box-shadow:var(--shadow-sm);
  }
  .split img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid var(--border);}
  .split h3{font-size:20px;font-weight:700;margin-bottom:10px;line-height:1.4;}
  .split p{font-size:14px;line-height:1.75;color:var(--ink-2);}
  .tick-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
  .tick-list li{display:flex;gap:8px;font-size:14px;color:var(--ink-2);line-height:1.6;}
  .tick-list li::before{
    content:"";width:6px;height:6px;border-radius:999px;background:var(--bamboo);
    flex:0 0 6px;margin-top:9px;
  }

  /* FAQ */
  .faq-wrap{max-width:880px;}
  .faq-item{
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
    margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,background .18s ease;
  }
  .faq-item:hover{border-color:var(--border-hover);}
  .faq-item[open]{background:#FCFDFE;border-color:var(--border-hover);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:64px;padding:0 20px;font-size:15px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"";flex:0 0 20px;width:20px;height:20px;
    background:
      linear-gradient(var(--primary),var(--primary)) center/12px 2px no-repeat,
      linear-gradient(var(--primary),var(--primary)) center/2px 12px no-repeat;
    transition:transform .22s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-item[open] summary{background:var(--primary-light);}
  .faq-answer{padding:14px 20px 20px;font-size:14px;line-height:1.8;color:var(--ink-2);}

  /* CTA */
  .cta-panel{
    position:relative;background:var(--primary-light);border:1px solid var(--border);
    border-radius:var(--radius-lg);padding:32px 32px 32px 36px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  }
  .cta-panel::before{
    content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;
    background:var(--primary);border-radius:4px;
  }
  .cta-panel h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.3;}
  .cta-panel p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2);max-width:520px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* 页脚 */
  .site-footer{margin-top:64px;background:var(--footer-bg);color:var(--footer-text);padding:56px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
  .footer-brand .brand-text span:first-child{color:#fff;}
  .footer-brand .brand-text span:last-child{color:#8FC3E0;}
  .footer-brand p{margin-top:14px;font-size:13px;line-height:1.8;color:#9FB7C6;max-width:280px;}
  .footer-title{font-size:13px;font-weight:600;color:#fff;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a,.footer-links span{font-size:14px;color:#9FB7C6;transition:color .18s ease;}
  .footer-links a:hover{color:#A8D3B6;}
  .footer-bottom{
    margin-top:40px;border-top:1px solid rgba(255,255,255,.12);
    padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:12px;color:#8AA2B1;
  }

  /* 响应式 */
  @media (max-width:1023px){
    .hero-grid{grid-template-columns:1fr;}
    .card-grid{grid-template-columns:1fr 1fr;}
    .split{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:767px){
    .hero{padding:24px;}
    .schedule-head{display:none;}
    .schedule-row{grid-template-columns:1fr;gap:8px;padding:16px 18px;}
    .schedule-row .s-time{font-size:14px;}
    .card-grid{grid-template-columns:1fr;}
    .cta-panel{padding:24px 24px 24px 28px;}
    .footer-grid{grid-template-columns:1fr;}
    .hero-metrics{gap:18px 28px;}
  }
  @media (max-width:519px){
    .page-wrap{padding:20px 16px 0;}
    .container{padding:0 16px;}
    .btn{width:100%;}
    .hero-actions{flex-direction:column;}
    .cta-actions{width:100%;flex-direction:column;}
    .split{padding:20px;}
  }

  @media (min-width:1024px){
    .site-sidebar{display:flex;}
    .mobile-bar{display:none;}
    .drawer,.drawer-mask{display:none;}
    .page-main{padding-top:0;margin-left:var(--sidebar-w);}
    .page-wrap{padding:40px 40px 0;}
  }
  @media (min-width:1024px) and (max-width:1279px){
    :root{--sidebar-w:220px;}
  }

/* roulang page: article */
:root{
  --primary:#1C6FA5;
  --primary-dark:#134E75;
  --primary-light:#E8F2F9;
  --bamboo:#4F8A5F;
  --bamboo-light:#EDF6EF;
  --amber:#B96A12;
  --amber-light:#FBF0E2;
  --ink:#14212B;
  --sub:#3F5363;
  --muted:#788A98;
  --line:#DEE7EE;
  --line-hover:#B9D3E4;
  --card:#FFFFFF;
  --page:#F5F8FA;
  --dark:#0F2A38;
  --r-btn:10px;
  --r-card:14px;
  --r-panel:18px;
  --sh-card:0 1px 2px rgba(20,45,65,.05),0 6px 18px rgba(20,45,65,.06);
  --sh-hover:0 12px 28px rgba(20,45,65,.10);
  --sh-panel:0 18px 48px rgba(20,45,65,.10);
  --sidebar:248px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:var(--primary-light);color:var(--primary-dark);}
:focus-visible{outline:3px solid rgba(28,111,165,.35);outline-offset:2px;border-radius:6px;}

.skip-link{
  position:absolute;left:-9999px;top:12px;z-index:200;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;
}
.skip-link:focus{left:12px;}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);
  background:var(--card);border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:80;
}
.brand-block{
  height:72px;flex:none;display:flex;align-items:center;gap:10px;
  padding:0 20px;border-bottom:1px solid var(--line);
}
.brand-mark{width:28px;height:28px;flex:none;}
.brand-text{
  display:flex;flex-direction:column;font-size:14px;font-weight:700;
  line-height:1.28;letter-spacing:.01em;color:var(--ink);
}
.sidebar-nav{
  flex:1;overflow-y:auto;padding:16px 12px;
  display:flex;flex-direction:column;gap:4px;
}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:14px;color:var(--sub);
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:#F0F5F9;color:var(--primary-dark);}
.nav-link.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:2px;background:var(--primary);
}
.nav-icon{width:18px;height:18px;flex:none;}
.sidebar-foot{padding:14px;border-top:1px solid var(--line);flex:none;}
.watch-panel{
  background:var(--primary-light);border:1px solid #CFE3F2;border-radius:12px;padding:14px;
}
.watch-panel .wp-title{font-size:13px;font-weight:700;color:var(--primary-dark);display:flex;align-items:center;gap:6px;}
.watch-panel .wp-desc{font-size:12px;line-height:1.6;color:var(--sub);margin-top:6px;}
.watch-panel .btn{width:100%;margin-top:12px;height:38px;font-size:13px;}
.live-dot{
  width:6px;height:6px;border-radius:50%;background:var(--amber);
  display:inline-block;animation:pulse 2s infinite;
}
@keyframes pulse{0%{opacity:1;box-shadow:0 0 0 0 rgba(185,106,18,.35);}70%{opacity:.85;box-shadow:0 0 0 6px rgba(185,106,18,0);}100%{opacity:1;box-shadow:0 0 0 0 rgba(185,106,18,0);}}

/* ---------- 移动顶部栏与抽屉 ---------- */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:90;height:60px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.mobile-topbar .brand-text{font-size:12.5px;}
.menu-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--primary-dark);
  transition:background .18s ease,border-color .18s ease;
}
.menu-btn:hover{background:var(--primary-light);border-color:var(--line-hover);}
.drawer-overlay{
  display:none;position:fixed;inset:0;background:rgba(10,25,35,.42);z-index:95;
}
.drawer-close{
  position:absolute;right:12px;top:14px;width:36px;height:36px;
  display:none;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--sub);
}

/* ---------- 主内容 ---------- */
.page-main{margin-left:var(--sidebar);min-height:100vh;padding-bottom:0;}
.container{max-width:1120px;margin:0 auto;padding:0 40px;}
.article-wrap{padding-top:32px;padding-bottom:80px;}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--sub);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span[aria-current]{color:var(--muted);}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:12px;font-weight:600;letter-spacing:.01em;
}

.article-hero{max-width:820px;}
.article-title{
  margin-top:16px;
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.24;font-weight:700;letter-spacing:.01em;color:var(--ink);
}
.article-lead{
  margin-top:16px;font-size:18px;line-height:1.8;color:var(--sub);
}
.article-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:13px;color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta svg{width:15px;height:15px;color:var(--primary);}
.article-meta .divider{width:1px;height:14px;background:var(--line);}

.article-cover{
  margin-top:30px;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-card);
  aspect-ratio:16/9;background:#dce7ef;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 220px;
  gap:56px;margin-top:44px;align-items:start;
}
.article-body{
  font-size:17px;line-height:1.9;color:var(--ink);
}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;
  margin-top:2.2em;margin-bottom:.7em;padding-left:16px;letter-spacing:.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:2px;background:var(--bamboo);
}
.article-body h3{
  font-size:20px;line-height:1.5;font-weight:700;
  margin-top:1.8em;margin-bottom:.6em;color:var(--primary-dark);
}
.article-body h4{font-size:17px;line-height:1.5;font-weight:700;margin-top:1.5em;margin-bottom:.5em;}
.article-body p{margin-bottom:1.1em;color:var(--sub);}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.2em 1.4em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;color:var(--sub);}
.article-body ol li{list-style:decimal;margin-bottom:.5em;color:var(--sub);}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--primary-light);
  border-left:3px solid var(--primary);border-radius:0 12px 12px 0;
  font-size:16px;color:var(--primary-dark);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em 0;width:100%;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center;}
.article-body a{color:var(--primary);border-bottom:1px solid #BFDCEE;transition:color .18s ease,border-color .18s ease;}
.article-body a:hover{color:var(--primary-dark);border-color:var(--primary-dark);}
.article-body table{
  width:100%;min-width:560px;border-collapse:collapse;font-size:14px;
  margin:1.4em 0;background:#fff;
}
.article-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;}
.article-body th{
  background:#F2F7FA;font-size:13px;font-weight:600;color:var(--sub);
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--sub);}
.article-body tr:last-child td{border-bottom:none;}
.article-body tbody tr:hover{background:#F7FBFD;}
.article-body code{
  background:#F1F5F8;border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;font-size:14px;color:var(--primary-dark);
}

.toc-mobile{
  margin-bottom:24px;border:1px solid var(--line);border-radius:12px;
  background:#fff;padding:0 18px;
}
.toc-mobile summary{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:14px;font-weight:600;color:var(--primary-dark);
  cursor:pointer;list-style:none;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile[open] summary{border-bottom:1px solid var(--line);}
.toc-mobile ul{padding:12px 0 16px;}
.toc-mobile li a{display:block;padding:6px 0;font-size:14px;color:var(--sub);}
.toc-mobile li a:hover{color:var(--primary);}

.toc-side{position:sticky;top:32px;}
.toc-side .toc-title{
  font-size:13px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.toc-side .toc-title::before{content:"";width:14px;height:2px;background:var(--primary);border-radius:2px;}
.toc-side ul{
  border-left:1px solid var(--line);padding-left:0;
  display:flex;flex-direction:column;gap:2px;
}
.toc-side li a{
  display:block;padding:6px 0 6px 14px;margin-left:-1px;
  font-size:13px;line-height:1.5;color:var(--muted);
  border-left:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.toc-side li a:hover{color:var(--primary);border-color:var(--line-hover);}
.toc-side li.toc-sub a{padding-left:26px;font-size:12.5px;}

.inline-cta{
  margin:2em 0;padding:22px 24px;border:1px solid #CFE3F2;border-radius:var(--r-panel);
  background:var(--primary-light);
}
.inline-cta .ic-title{font-size:16px;font-weight:700;color:var(--primary-dark);}
.inline-cta .ic-desc{font-size:14px;line-height:1.7;color:var(--sub);margin-top:6px;}
.inline-cta .ic-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}

.article-end{
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary);
  transition:color .18s ease,gap .18s ease;
}
.back-link:hover{color:var(--primary-dark);gap:12px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .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:0 8px 20px rgba(19,78,117,.22);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-secondary{background:#fff;color:var(--primary);border-color:var(--line-hover);}
.btn-secondary:hover{background:var(--primary-light);border-color:var(--primary);}
.btn-ghost{background:transparent;color:var(--sub);}
.btn-ghost:hover{background:#EDF3F8;color:var(--primary-dark);}
.btn-sm{height:36px;padding:0 14px;font-size:13px;}

/* ---------- 区块 ---------- */
.section{margin-top:72px;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--primary);padding:4px 12px;border-radius:999px;background:var(--primary-light);
}
.section-head h2{
  margin-top:14px;font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;letter-spacing:.01em;
}
.section-head .bamboo-line{
  display:flex;align-items:center;gap:6px;margin-top:14px;
}
.section-head .bamboo-line i{display:block;width:56px;height:2px;background:var(--primary);border-radius:2px;}
.section-head .bamboo-line b{display:block;width:5px;height:5px;border-radius:50%;background:var(--primary);}
.section-head p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--sub);}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-hover);}
.post-card .pc-pill{
  align-self:flex-start;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);
}
.post-card h3{
  margin-top:14px;font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card p{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .pc-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);border-top:1px solid var(--line);
}
.post-card .pc-foot .more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;}
.post-card .stretch{position:absolute;inset:0;border-radius:inherit;}

.empty-panel{
  border:1px dashed var(--line-hover);border-radius:var(--r-panel);
  background:#fff;padding:40px 28px;text-align:center;
}
.empty-panel svg{width:28px;height:28px;color:var(--primary);margin:0 auto 12px;}
.empty-panel h3{font-size:16px;font-weight:600;color:var(--ink);}
.empty-panel p{margin-top:8px;font-size:14px;color:var(--muted);}
.empty-panel .btn{margin-top:18px;}

.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.faq-item[open]{border-color:var(--line-hover);box-shadow:var(--sh-card);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 20px;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--ink);list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q .plus{position:relative;width:20px;height:20px;flex:none;}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-q .plus::before{left:0;top:9px;width:20px;height:2px;}
.faq-q .plus::after{left:9px;top:0;width:2px;height:20px;}
.faq-item[open] .faq-q .plus::after{transform:rotate(90deg);opacity:0;}
.faq-a{padding:0 20px 20px;font-size:14px;line-height:1.8;color:var(--sub);}
.faq-item[open] .faq-q{color:var(--primary-dark);}

.end-cta{
  margin-top:72px;background:var(--primary-light);border:1px solid #CFE3F2;
  border-left:4px solid var(--primary);border-radius:var(--r-panel);
  padding:32px 34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.end-cta h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;color:var(--primary-dark);}
.end-cta p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--sub);max-width:560px;}
.end-cta .actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#C9D8E2;margin-top:80px;
  padding:56px 0 0;font-size:14px;
}
.site-footer .container{padding-bottom:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.8;color:#A7BCC9;max-width:320px;}
.footer-title{font-size:13px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:#A7BCC9;transition:color .18s ease;}
.footer-links a:hover{color:#9AD3AE;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8FA6B4;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc-side{display:none;}
  .article-body{max-width:760px;}
}
@media (max-width:1023px){
  :root{--sidebar:0px;}
  .sidebar{
    transform:translateX(-100%);transition:transform .26s ease;
    width:86vw;max-width:320px;box-shadow:0 0 40px rgba(10,25,35,.18);
  }
  body.drawer-open .sidebar{transform:translateX(0);}
  body.drawer-open .drawer-overlay{display:block;}
  body.drawer-open{overflow:hidden;}
  .drawer-close{display:inline-flex;}
  .mobile-topbar{display:flex;}
  .page-main{margin-left:0;}
  .sidebar-nav{padding:12px;}
  .nav-link{height:48px;font-size:15px;}
  .container{padding:0 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .article-wrap{padding-top:22px;padding-bottom:56px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .article-cover{border-radius:14px;margin-top:22px;}
  .article-lead{font-size:16px;}
  .article-meta{font-size:12.5px;gap:8px 14px;}
  .related-grid{grid-template-columns:1fr;}
  .section{margin-top:52px;}
  .end-cta{padding:24px 20px;margin-top:52px;}
  .end-cta .actions{width:100%;}
  .end-cta .actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px;}
  .site-footer{padding-top:40px;margin-top:56px;}
  .footer-bottom{font-size:12.5px;}
}
@media (max-width:519px){
  .article-title{font-size:26px;}
  .breadcrumb{font-size:12px;}
  .faq-q{font-size:14px;padding:12px 16px;}
  .faq-a{padding:0 16px 16px;font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .live-dot{animation:none;}
}

/* roulang page: category2 */
:root{
    --primary:#1C6FA5;
    --primary-dark:#134E75;
    --primary-light:#E8F2F9;
    --bamboo:#4F8A5F;
    --bamboo-light:#EDF6EF;
    --amber:#B96A12;
    --amber-light:#FBF0E2;
    --ink:#14212B;
    --ink-2:#3F5363;
    --muted:#788A98;
    --line:#DEE7EE;
    --line-hover:#B9D3E4;
    --card:#FFFFFF;
    --bg:#F5F8FA;
    --footer-bg:#0F2A38;
    --footer-text:#C9D8E2;
    --r-btn:10px;
    --r-card:14px;
    --r-panel:18px;
    --sh-card:0 1px 2px rgba(20,45,65,.05),0 6px 18px rgba(20,45,65,.06);
    --sh-card-hover:0 12px 28px rgba(20,45,65,.10);
    --sh-panel:0 18px 48px rgba(20,45,65,.10);
    --sidebar-w:248px;
    --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body.site-body{
    margin:0;
    padding:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  body.site-body.drawer-open{overflow:hidden;}
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  p{margin:0;}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--ink);}
  h1{font-size:clamp(30px,4.2vw,46px);line-height:1.18;}
  h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;}
  h3{font-size:20px;line-height:1.4;font-weight:600;}
  h4{font-size:17px;line-height:1.5;font-weight:600;}
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- 通用 ---------- */
  .skip-link{
    position:absolute;left:12px;top:-60px;z-index:200;
    background:var(--primary);color:#fff;padding:10px 16px;border-radius:var(--r-btn);
    font-size:14px;transition:top .2s ease;
  }
  .skip-link:focus{top:12px;}
  .container{width:100%;max-width:1240px;margin:0 auto;padding-left:40px;padding-right:40px;}
  .section{padding:80px 0;}
  .section--white{background:#fff;}
  .section--tight{padding:64px 0;}
  .section-head{max-width:760px;margin-bottom:36px;}
  .section-head h2{margin-bottom:12px;}
  .section-desc{font-size:16px;line-height:1.8;color:var(--ink-2);}
  .hairline{
    width:56px;height:0;border-top:2px solid var(--primary);
    margin:18px 0 0;position:relative;
  }
  .hairline::after{
    content:"";position:absolute;right:-9px;top:-3.5px;width:5px;height:5px;
    border-radius:50%;background:var(--primary);
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--primary-light);color:var(--primary-dark);
    font-size:12px;font-weight:600;line-height:1;
    padding:8px 14px;border-radius:999px;
  }
  .eyebrow .dot{
    width:6px;height:6px;border-radius:50%;background:var(--amber);
    box-shadow:0 0 0 3px rgba(185,106,18,.12);
  }
  .pill{
    display:inline-flex;align-items:center;
    background:var(--primary-light);color:var(--primary-dark);
    font-size:12px;font-weight:600;line-height:1;
    padding:6px 12px;border-radius:999px;
  }
  .pill--live{background:var(--amber-light);color:var(--amber);}
  .pill--live .live-dot{
    width:6px;height:6px;border-radius:50%;background:var(--amber);
    margin-right:6px;animation:pulse 2s ease-in-out infinite;
  }
  @keyframes pulse{
    0%,100%{opacity:1;transform:scale(1);}
    50%{opacity:.45;transform:scale(.82);}
  }

  /* ---------- 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:14px;font-weight:600;line-height:1;
    border:1px solid transparent;cursor:pointer;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  }
  .btn-lg{height:48px;padding:0 24px;font-size:15px;}
  .btn-sm{height:36px;padding:0 14px;font-size:13px;}
  .btn-block{width:100%;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(20,45,65,.08);}
  .btn-primary:hover{background:var(--primary-dark);box-shadow:0 8px 18px rgba(19,78,117,.18);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0) scale(.99);box-shadow:none;}
  .btn-outline{background:#fff;color:var(--primary-dark);border-color:var(--line-hover);}
  .btn-outline:hover{background:var(--primary-light);border-color:var(--primary);transform:translateY(-1px);}
  .btn-outline:active{transform:translateY(0) scale(.99);}
  .btn-ghost{background:transparent;color:var(--primary-dark);border-color:transparent;}
  .btn-ghost:hover{background:var(--primary-light);}
  .btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible{
    outline:none;box-shadow:0 0 0 3px rgba(28,111,165,.25);
  }
  .btn[disabled]{opacity:.5;pointer-events:none;}

  /* ---------- 移动顶栏 ---------- */
  .mobile-bar{
    display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:80;
    align-items:center;justify-content:space-between;
    padding:0 16px;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .mb-brand{display:flex;align-items:center;gap:10px;min-height:44px;}
  .brand-mark{width:28px;height:28px;flex:none;}
  .brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
  .brand-text span:last-child{font-weight:500;color:var(--ink-2);font-size:12px;}
  .mb-toggle{
    width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-2);cursor:pointer;
    transition:background-color .18s ease,border-color .18s ease;
  }
  .mb-toggle:hover{background:var(--primary-light);border-color:var(--line-hover);}

  /* ---------- 抽屉遮罩 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(10,25,35,.42);z-index:85;
    opacity:0;pointer-events:none;transition:opacity .22s ease;
  }
  .drawer-mask.show{opacity:1;pointer-events:auto;}

  /* ---------- 侧栏 ---------- */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:90;
    display:flex;flex-direction:column;
    background:#fff;border-right:1px solid var(--line);
  }
  .sidebar-brand{
    height:72px;flex:none;display:flex;align-items:center;
    padding:0 20px;border-bottom:1px solid var(--line);
  }
  .sidebar-brand a{display:flex;align-items:center;gap:10px;min-height:44px;border-radius:10px;}
  .sidebar-brand .brand-text{font-size:15px;}
  .sidebar-close{
    display:none;margin-left:auto;width:40px;height:40px;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-2);cursor:pointer;
  }
  .sidebar-nav{
    flex:1 1 auto;overflow-y:auto;
    padding:16px 12px;
    display:flex;flex-direction:column;gap:4px;
    scrollbar-width:thin;
  }
  .sidebar-nav::-webkit-scrollbar{width:6px;}
  .sidebar-nav::-webkit-scrollbar-thumb{background:#D7E3EC;border-radius:999px;}
  .nav-link{
    position:relative;display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px;border-radius:10px;
    font-size:14px;color:var(--ink-2);
    transition:background-color .16s ease,color .16s ease;
  }
  .nav-icon{width:18px;height:18px;flex:none;color:var(--muted);transition:color .16s ease;}
  .nav-link:hover{background:#F0F4F8;color:var(--primary-dark);}
  .nav-link:hover .nav-icon{color:var(--primary);}
  .nav-link.active{
    background:var(--primary-light);color:var(--primary-dark);font-weight:600;
  }
  .nav-link.active::before{
    content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
    border-radius:0 3px 3px 0;background:var(--primary);
  }
  .nav-link.active .nav-icon{color:var(--primary-dark);}
  .sidebar-cta{
    flex:none;margin:12px;padding:16px;border:1px solid var(--line);
    background:var(--primary-light);border-radius:var(--r-card);
  }
  .sidebar-cta-title{font-size:13px;font-weight:700;color:var(--primary-dark);margin-bottom:6px;}
  .sidebar-cta p{font-size:12px;line-height:1.6;color:var(--ink-2);margin-bottom:12px;}

  /* ---------- 主区域 ---------- */
  .main-area{margin-left:var(--sidebar-w);min-height:100vh;}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    padding:64px 0 72px;
    background:
      linear-gradient(180deg,#F5F8FA 0%,#F5F8FA 62%,#FFFFFF 100%);
    overflow:hidden;
  }
  .hero::before{
    content:"";position:absolute;right:-40px;top:0;width:420px;height:420px;
    background-image:linear-gradient(#1C6FA5 1px,transparent 1px),linear-gradient(90deg,#1C6FA5 1px,transparent 1px);
    background-size:36px 36px;opacity:.03;pointer-events:none;
  }
  .hero-grid{
    position:relative;display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;
  }
  .hero-copy h1{margin:18px 0 16px;}
  .lead{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:520px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;
    padding-top:24px;border-top:1px solid var(--line);
  }
  .hero-stats div{min-width:92px;}
  .stat-num{font-size:20px;font-weight:700;color:var(--primary-dark);line-height:1.2;}
  .stat-label{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.5;}
  .hero-figure{position:relative;}
  .hero-img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:16px;
    box-shadow:inset 0 0 0 1px rgba(20,45,65,.06),var(--sh-panel);
  }
  .status-card{
    position:absolute;left:16px;bottom:16px;
    width:246px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);box-shadow:var(--sh-card);
    padding:14px 16px;
  }
  .status-card .pill{margin-bottom:10px;}
  .status-text{font-size:13px;color:var(--ink-2);line-height:1.6;}
  .status-metrics{display:flex;gap:20px;margin-top:12px;padding-top:10px;border-top:1px solid var(--line);}
  .status-metrics strong{display:block;font-size:15px;font-weight:700;color:var(--primary-dark);line-height:1.2;}
  .status-metrics span{font-size:11px;color:var(--muted);}
  .hero-bar{display:none;}

  /* ---------- 功能 Bento ---------- */
  .feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .feature-card{
    position:relative;background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-card);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-card-hover);border-color:var(--line-hover);}
  .feature-icon{
    width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
    background:var(--primary-light);color:var(--primary-dark);margin-bottom:16px;
  }
  .feature-icon svg{width:20px;height:20px;}
  .feature-card h3{margin-bottom:8px;font-size:17px;}
  .feature-card > p{font-size:14px;line-height:1.75;color:var(--ink-2);}
  .feature-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
  .feature-list li{
    position:relative;padding-left:16px;font-size:13px;line-height:1.7;color:var(--ink-2);
  }
  .feature-list li::before{
    content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;
    background:var(--bamboo);opacity:.8;
  }
  .feature-card--accent{background:linear-gradient(180deg,#FFFFFF 0%,#F8FBFD 100%);}

  /* ---------- 能力对照 ---------- */
  .compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .compare-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
    padding:28px;box-shadow:var(--sh-card);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .compare-card:hover{border-color:var(--line-hover);box-shadow:var(--sh-card-hover);}
  .compare-card--alt{background:var(--bamboo-light);border-color:#D9EADD;}
  .compare-card h3{font-size:17px;margin-bottom:6px;}
  .compare-sub{font-size:13px;color:var(--muted);margin-bottom:18px;}
  .check-list{display:flex;flex-direction:column;gap:12px;}
  .check-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2);}
  .check-mark{
    flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--primary-light);color:var(--primary-dark);
  }
  .compare-card--alt .check-mark{background:rgba(79,138,95,.16);color:#2F6340;}
  .check-mark svg{width:11px;height:11px;}
  .compare-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;}
  .compare-foot span{font-size:13px;color:var(--muted);}

  /* ---------- 图文分栏 ---------- */
  .split{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;}
  .split-img{
    width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;
    box-shadow:inset 0 0 0 1px rgba(20,45,65,.06),var(--sh-card);
  }
  .split-copy h2{margin:14px 0 14px;}
  .split-copy p{font-size:15px;line-height:1.85;color:var(--ink-2);}
  .split-points{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
  .split-points li{display:flex;gap:12px;}
  .point-no{
    flex:none;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line-hover);color:var(--primary-dark);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
  }
  .split-points strong{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:2px;}
  .split-points span{font-size:13px;line-height:1.7;color:var(--ink-2);}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .faq-item + .faq-item{margin-top:12px;}
  .faq-item:hover{border-color:var(--line-hover);}
  .faq-item[open]{border-color:var(--line-hover);box-shadow:var(--sh-card);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:64px;padding:18px 22px;
    font-size:15px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-plus{
    flex:none;width:20px;height:20px;color:var(--primary);
    transition:transform .2s ease;
  }
  .faq-item[open] .faq-plus{transform:rotate(45deg);}
  .faq-body{
    padding:0 22px 20px;background:var(--primary-light);
    font-size:14px;line-height:1.8;color:var(--ink-2);
  }
  .faq-body p{padding-top:16px;}

  /* ---------- CTA ---------- */
  .cta-panel{
    position:relative;background:var(--primary-light);
    border:1px solid #CFE4F2;border-radius:var(--r-panel);
    padding:32px 32px 32px 36px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  }
  .cta-panel::before{
    content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;
    border-radius:0 4px 4px 0;background:var(--primary);
  }
  .cta-copy h2{font-size:22px;margin-bottom:8px;}
  .cta-copy p{font-size:14px;line-height:1.75;color:var(--ink-2);max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 0;margin-top:0;}
  .footer-grid{
    display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;
    padding-bottom:44px;
  }
  .footer-brand p{font-size:13px;line-height:1.85;color:#A9BFCC;margin-top:14px;max-width:320px;}
  .footer-brand .brand-text{color:#fff;}
  .footer-brand .brand-text span:last-child{color:#A9BFCC;}
  .footer-title{font-size:13px;font-weight:600;color:#fff;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a,.footer-links span{font-size:14px;line-height:1.6;color:var(--footer-text);transition:color .16s ease;}
  .footer-links a:hover{color:#8FC7A2;}
  .footer-links a:focus-visible{box-shadow:0 0 0 3px rgba(143,199,162,.3);border-radius:6px;}
  .footer-bottom{
    border-top:1px solid rgba(201,216,226,.16);
    padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:12px;color:#8FA6B4;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    :root{--sidebar-w:220px;}
    .container{padding-left:32px;padding-right:32px;}
    .hero-grid{gap:32px;}
    .split{gap:36px;}
  }
  @media (max-width:1023px){
    .mobile-bar{display:flex;}
    .main-area{margin-left:0;padding-top:60px;}
    .sidebar{
      width:86vw;max-width:320px;
      transform:translateX(-100%);
      transition:transform .24s ease;
      box-shadow:0 18px 48px rgba(20,45,65,.18);
    }
    .sidebar.open{transform:translateX(0);}
    .sidebar-close{display:inline-flex;}
    .nav-link{height:48px;}
    .sidebar-brand{height:64px;}
    .hero{padding:40px 0 56px;}
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero::before{display:none;}
    .status-card{display:none;}
    .hero-bar{
      display:flex;flex-wrap:wrap;align-items:center;gap:16px;
      margin-top:14px;padding:14px 16px;background:#fff;
      border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
    }
    .hero-bar .pill{margin:0;}
    .hero-bar .bar-text{font-size:13px;color:var(--ink-2);}
    .split{grid-template-columns:1fr;gap:28px;}
    .split-img{order:-1;}
  }
  @media (max-width:767px){
    .container{padding-left:20px;padding-right:20px;}
    .section{padding:52px 0;}
    .section--tight{padding:44px 0;}
    .feature-grid{grid-template-columns:1fr;}
    .compare-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .cta-panel{padding:26px 22px 26px 26px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 auto;}
    .hero-stats{gap:20px;}
    .hero-stats div{min-width:calc(50% - 10px);}
  }
  @media (max-width:519px){
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .status-metrics{gap:14px;}
    .compare-foot{flex-direction:column;align-items:flex-start;}
    .compare-foot .btn{width:100%;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
    .feature-card:hover,.btn:hover{transform:none;}
  }

/* roulang page: category3 */
:root{
    --primary:#1C6FA5;
    --primary-deep:#134E75;
    --primary-soft:#E8F2F9;
    --zhu:#4F8A5F;
    --zhu-soft:#EDF6EF;
    --amber:#B96A12;
    --amber-soft:#FBF0E2;
    --ink:#14212B;
    --sub:#3F5363;
    --muted:#788A98;
    --border:#DEE7EE;
    --border-hover:#B9D3E4;
    --card:#FFFFFF;
    --page:#F5F8FA;
    --footer:#0F2A38;
    --footer-text:#C9D8E2;
    --r-btn:10px;
    --r-card:14px;
    --r-panel:18px;
    --shadow-card:0 1px 2px rgba(20,45,65,.05),0 6px 18px rgba(20,45,65,.06);
    --shadow-card-hover:0 12px 28px rgba(20,45,65,.10);
    --shadow-panel:0 18px 48px rgba(20,45,65,.10);
    --ring:0 0 0 3px rgba(28,111,165,.25);
    --sidebar-w:248px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;line-height:1.75;color:var(--ink);background:var(--page);
    font-variant-numeric:tabular-nums;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding-left:0;list-style:none}
  h1{font-size:clamp(30px,4.2vw,46px);line-height:1.18;font-weight:700;letter-spacing:.01em}
  h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:.01em}
  h3{font-size:20px;line-height:1.4;font-weight:600}
  h4{font-size:17px;line-height:1.5;font-weight:600}
  p{color:var(--sub)}
  ::selection{background:var(--primary-soft);color:var(--primary-deep)}
  :focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}

  .skip-link{
    position:absolute;left:12px;top:-60px;z-index:120;
    background:var(--primary);color:#fff;padding:10px 16px;border-radius:var(--r-btn);
    font-size:14px;transition:top .2s ease;
  }
  .skip-link:focus{top:12px}

  /* ============ 侧栏导航 ============ */
  .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;z-index:60;
    transition:transform .26s ease;
  }
  .brand-row{
    height:72px;flex:0 0 72px;display:flex;align-items:center;gap:10px;
    padding:0 20px;border-bottom:1px solid var(--border);
  }
  .brand-row:focus-visible{box-shadow:var(--ring);border-radius:0}
  .brand-mark{width:28px;height:28px;flex:0 0 28px;border-radius:8px}
  .brand-text{display:flex;flex-direction:column;line-height:1.18;font-weight:700;font-size:14px;letter-spacing:.01em;color:var(--ink)}
  .brand-text span:last-child{font-weight:600;color:var(--sub)}
  .sidebar-scroll{flex:1 1 auto;overflow-y:auto;padding:14px 14px 18px}
  .sidebar-scroll::-webkit-scrollbar{width:6px}
  .sidebar-scroll::-webkit-scrollbar-thumb{background:#D5E1EA;border-radius:999px}
  .sidebar-nav{display:flex;flex-direction:column;gap:4px}
  .nav-link{
    position:relative;display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px;border-radius:10px;
    font-size:14px;font-weight:500;color:var(--sub);
    transition:background .18s ease,color .18s ease;
  }
  .nav-link:hover{background:#EFF4F8;color:var(--primary-deep)}
  .nav-link:focus-visible{box-shadow:var(--ring)}
  .nav-link.active{background:var(--primary-soft);color:var(--primary-deep);font-weight:600}
  .nav-link.active::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
    border-radius:3px;background:var(--primary);
  }
  .nav-icon{width:18px;height:18px;flex:0 0 18px;opacity:.92}
  .sidebar-foot{padding:14px 14px 18px;border-top:1px solid var(--border)}
  .side-cta{
    background:var(--primary-soft);border:1px solid var(--border);border-radius:var(--r-card);
    padding:14px;
  }
  .side-cta .live-row{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--amber)}
  .live-dot{width:6px;height:6px;border-radius:50%;background:var(--amber);animation:pulse 2s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
  .side-cta h4{margin-top:8px;font-size:14px;line-height:1.45;color:var(--primary-deep)}
  .side-cta p{margin-top:6px;font-size:12px;line-height:1.6;color:var(--muted)}
  .side-cta .btn{margin-top:12px;width:100%}

  /* ============ 移动顶栏 ============ */
  .topbar{
    display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
    align-items:center;justify-content:space-between;padding:0 16px;
    background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border);
  }
  .topbar .brand-text{font-size:13px}
  .menu-btn{
    width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--primary-deep);
    cursor:pointer;transition:background .18s ease,border-color .18s ease;
  }
  .menu-btn:hover{background:var(--primary-soft);border-color:var(--border-hover)}
  .menu-btn svg{width:20px;height:20px}
  .scrim{
    display:none;position:fixed;inset:0;background:rgba(10,25,35,.42);z-index:55;opacity:0;
    transition:opacity .24s ease;
  }
  .scrim.show{display:block;opacity:1}

  /* ============ 布局 ============ */
  .page-main{margin-left:var(--sidebar-w);min-height:100vh}
  .container{width:100%;max-width:1120px;margin:0 auto;padding:0 40px}
  .section{padding:80px 0}
  .section.tight{padding:64px 0}
  .bg-white{background:#fff}
  .section-head{max-width:720px;margin-bottom:36px}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .eyebrow{
    display:inline-flex;align-items:center;gap:7px;
    background:var(--primary-soft);color:var(--primary-deep);
    font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}
  .bamboo-rule{width:56px;height:2px;background:var(--primary);position:relative;border-radius:2px;margin-top:16px}
  .bamboo-rule::after{content:"";position:absolute;right:-8px;top:-1.5px;width:5px;height:5px;border-radius:50%;background:var(--primary)}
  .section-head.center .bamboo-rule{margin-left:auto;margin-right:auto}
  .lead{font-size:18px;line-height:1.8;color:var(--sub)}

  /* ============ 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:14px;font-weight:600;letter-spacing:.01em;
    border:1px solid transparent;cursor:pointer;
    transition:background .18s ease,color .18s ease,border-color .18s ease,transform .16s ease,box-shadow .18s ease;
  }
  .btn svg{width:16px;height:16px}
  .btn:active{transform:scale(.99)}
  .btn-primary{background:var(--primary);color:#fff}
  .btn-primary:hover{background:var(--primary-deep);box-shadow:0 6px 16px rgba(19,78,117,.22);transform:translateY(-1px)}
  .btn-secondary{background:#fff;color:var(--primary-deep);border-color:var(--border)}
  .btn-secondary:hover{background:var(--primary-soft);border-color:var(--border-hover);transform:translateY(-1px)}
  .btn-ghost{background:transparent;color:var(--primary-deep)}
  .btn-ghost:hover{background:#EFF4F8}
  .btn-sm{height:36px;padding:0 14px;font-size:13px}
  .btn-lg{height:48px;padding:0 24px;font-size:15px}
  .btn[disabled]{opacity:.5;cursor:not-allowed}

  /* ============ Hero ============ */
  .hero-guide{padding:76px 0 64px;background:#fff;position:relative;overflow:hidden}
  .hero-guide::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(28,111,165,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(28,111,165,.05) 1px,transparent 1px);
    background-size:44px 44px;opacity:.5;pointer-events:none;
    mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
    -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
  }
  .hero-narrow{position:relative;max-width:820px;margin:0 auto;text-align:center}
  .hero-narrow h1{margin-top:18px}
  .hero-narrow .lead{margin-top:16px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
  .hero-metrics{
    display:flex;justify-content:center;gap:40px;flex-wrap:wrap;
    margin-top:38px;padding-top:26px;border-top:1px solid var(--border);
  }
  .hero-metrics .metric{text-align:center;min-width:96px}
  .metric strong{display:block;font-size:20px;font-weight:700;color:var(--primary-deep);line-height:1.3}
  .metric span{display:block;font-size:12px;color:var(--muted);margin-top:2px}

  /* ============ 时间线 ============ */
  .timeline{position:relative;max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:30px}
  .timeline::before{content:"";position:absolute;left:19px;top:10px;bottom:10px;width:1px;background:var(--border)}
  .step{position:relative;padding-left:68px}
  .step-num{
    position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
    background:#fff;border:1px solid var(--border);color:var(--primary);
    display:grid;place-items:center;font-size:14px;font-weight:700;
    box-shadow:0 1px 2px rgba(20,45,65,.05);
  }
  .step h3{margin-bottom:6px}
  .step p{font-size:15px;line-height:1.8}
  .tip{
    margin-top:12px;display:flex;gap:8px;align-items:flex-start;
    background:var(--zhu-soft);border-left:3px solid var(--zhu);
    border-radius:8px;padding:10px 14px;font-size:13px;line-height:1.7;color:#2F6B41;
  }
  .tip svg{width:15px;height:15px;flex:0 0 15px;margin-top:3px}

  /* ============ 检查清单 ============ */
  .check-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
  .check-panel{
    background:var(--card);border:1px solid var(--border);border-radius:var(--r-panel);
    box-shadow:var(--shadow-card);padding:28px;
  }
  .check-panel h3{display:flex;align-items:center;gap:10px}
  .badge-count{
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--primary-soft);color:var(--primary-deep);
    font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
  }
  .check-list{margin-top:18px;display:flex;flex-direction:column;gap:2px}
  .check-list li{
    display:flex;gap:12px;align-items:flex-start;
    padding:12px 4px;border-bottom:1px dashed var(--border);
    font-size:15px;line-height:1.7;color:var(--sub);
  }
  .check-list li:last-child{border-bottom:none}
  .check-list .ck{
    width:20px;height:20px;flex:0 0 20px;border-radius:50%;
    background:var(--zhu-soft);color:var(--zhu);display:grid;place-items:center;margin-top:3px;
  }
  .check-list .ck svg{width:12px;height:12px}
  .check-figure{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-panel)}
  .check-figure img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
  .check-figure figcaption{
    position:absolute;left:14px;right:14px;bottom:14px;
    background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:12px;
    padding:10px 14px;font-size:13px;line-height:1.6;color:var(--sub);
    display:flex;align-items:center;gap:8px;
  }
  .check-figure figcaption i{width:6px;height:6px;border-radius:50%;background:var(--zhu);flex:0 0 6px;display:inline-block}

  /* ============ 手风琴 ============ */
  .acc-wrap{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
  .acc{
    background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);overflow:hidden;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .acc:hover{border-color:var(--border-hover);box-shadow:var(--shadow-card-hover)}
  .acc summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:64px;padding:16px 20px;cursor:pointer;list-style:none;
    font-size:15px;font-weight:600;color:var(--ink);
  }
  .acc summary::-webkit-details-marker{display:none}
  .acc summary::after{
    content:"+";font-size:20px;line-height:1;color:var(--primary);
    transition:transform .22s ease;flex:0 0 auto;
  }
  .acc[open] summary{background:var(--primary-soft);color:var(--primary-deep)}
  .acc[open] summary::after{transform:rotate(45deg)}
  .acc .acc-body{padding:16px 20px 20px;font-size:14px;line-height:1.8;color:var(--sub)}

  /* ============ CTA 组合 ============ */
  .cta-row{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
  .cta-panel{
    background:var(--primary-soft);border:1px solid var(--border);border-radius:var(--r-panel);
    padding:36px;position:relative;overflow:hidden;
  }
  .cta-panel::before{content:"";position:absolute;left:0;top:28px;bottom:28px;width:4px;background:var(--primary);border-radius:0 4px 4px 0}
  .cta-panel h2{font-size:clamp(22px,2.2vw,28px);max-width:420px}
  .cta-panel p{margin-top:12px;max-width:440px;font-size:15px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
  .cta-side{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-panel);
    box-shadow:var(--shadow-card);padding:28px;display:flex;flex-direction:column;gap:14px;
  }
  .cta-side h3{font-size:17px}
  .quick-link{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:13px 16px;border:1px solid var(--border);border-radius:12px;
    font-size:14px;font-weight:500;color:var(--sub);
    transition:border-color .18s ease,background .18s ease,transform .16s ease,color .18s ease;
  }
  .quick-link:hover{background:var(--primary-soft);border-color:var(--border-hover);color:var(--primary-deep);transform:translateY(-2px)}
  .quick-link svg{width:16px;height:16px;flex:0 0 16px;color:var(--primary)}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--footer);color:var(--footer-text);padding:64px 0 0}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
  .site-footer .brand-text{color:#fff}
  .site-footer .brand-text span:last-child{color:#9FB8C7}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#A9C1CF;max-width:320px}
  .footer-title{font-size:13px;font-weight:600;color:#fff;letter-spacing:.02em;margin-bottom:14px}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a,.footer-links span{font-size:14px;color:#A9C1CF;transition:color .18s ease}
  .footer-links a:hover{color:#BFE3CB}
  .footer-links a:focus-visible{box-shadow:0 0 0 3px rgba(191,227,203,.35);border-radius:4px}
  .footer-bottom{
    margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:#8FA9B8;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    :root{--sidebar-w:220px}
    .container{padding:0 32px}
  }
  @media (max-width:1023px){
    .sidebar{transform:translateX(-100%);width:86vw;max-width:320px;box-shadow:var(--shadow-panel)}
    .sidebar.open{transform:translateX(0)}
    .sidebar .nav-link{height:48px}
    .topbar{display:flex}
    .page-main{margin-left:0;padding-top:60px}
    .container{padding:0 24px}
    .section{padding:64px 0}
    .hero-guide{padding:56px 0 52px}
    .check-layout{grid-template-columns:1fr;gap:28px}
    .acc-wrap{grid-template-columns:1fr}
    .cta-row{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:767px){
    .hero-guide::before{opacity:.28}
    .hero-metrics{gap:24px 20px;margin-top:30px;padding-top:22px}
    .hero-metrics .metric{min-width:calc(50% - 12px)}
    .timeline{gap:26px}
    .timeline::before{left:15px}
    .step{padding-left:52px}
    .step-num{width:32px;height:32px;font-size:13px}
    .check-panel{padding:20px}
    .cta-panel{padding:26px}
    .cta-panel::before{top:20px;bottom:20px}
    .cta-side{padding:22px}
    .site-footer{padding:48px 0 0}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{margin-top:32px;flex-direction:column;gap:6px}
  }
  @media (max-width:520px){
    .container{padding:0 18px}
    .section{padding:48px 0}
    .hero-guide{padding:44px 0}
    .hero-actions .btn{width:100%}
    .lead{font-size:16px}
    .check-list li{font-size:14px}
    .acc summary{padding:14px 16px;font-size:14px}
    .acc .acc-body{padding:14px 16px 18px}
    .cta-actions .btn{width:100%}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    .btn:hover{transform:none}
    .quick-link:hover{transform:none}
  }

/* roulang page: category5 */
:root{
  --primary:#1C6FA5;
  --primary-dark:#134E75;
  --primary-light:#E8F2F9;
  --bamboo:#4F8A5F;
  --bamboo-light:#EDF6EF;
  --amber:#B96A12;
  --amber-light:#FBF0E2;
  --ink:#14212B;
  --ink-2:#3F5363;
  --muted:#788A98;
  --border:#DEE7EE;
  --border-strong:#B9D3E4;
  --surface:#FFFFFF;
  --page:#F5F8FA;
  --footer-bg:#0F2A38;
  --footer-text:#C9D8E2;
  --shadow-sm:0 1px 2px rgba(20,45,65,.05),0 6px 18px rgba(20,45,65,.06);
  --shadow-md:0 12px 28px rgba(20,45,65,.10);
  --shadow-lg:0 18px 48px rgba(20,45,65,.10);
  --r-btn:10px;
  --r-card:14px;
  --r-panel:18px;
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--page);
  font-feature-settings:"tnum";
}
h1,h2,h3,h4,p,ul,ol,figure,table{margin:0;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:3px solid rgba(28,111,165,.35);outline-offset:2px;border-radius:6px;}
.skip-link{
  position:absolute;left:12px;top:-60px;z-index:200;
  background:var(--primary);color:#fff;padding:10px 16px;border-radius:var(--r-btn);
  font-size:14px;transition:top .18s ease;
}
.skip-link:focus{top:12px;}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{padding:0 40px;}}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;z-index:80;
}
.brand{
  height:72px;display:flex;align-items:center;gap:10px;
  padding:0 20px;border-bottom:1px solid var(--border);flex:0 0 auto;
}
.brand-mark{width:28px;height:28px;flex:0 0 auto;border-radius:8px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:15px;letter-spacing:.01em;color:var(--ink);}
.brand-text span:last-child{color:var(--primary);}
.sidebar-nav{
  flex:1 1 auto;overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:4px;
}
.sidebar-nav::-webkit-scrollbar{width:6px;}
.sidebar-nav::-webkit-scrollbar-thumb{background:#D5E2EB;border-radius:999px;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:#F1F5F8;color:var(--primary-dark);}
.nav-link.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--primary);
}
.nav-icon{width:18px;height:18px;flex:0 0 auto;color:currentColor;opacity:.85;}
.sidebar-cta{flex:0 0 auto;padding:14px 12px 18px;border-top:1px solid var(--border);}
.sidebar-cta-box{
  background:var(--primary-light);border:1px solid #D3E4F0;border-radius:var(--r-card);
  padding:14px;
}
.sidebar-cta-box p{margin:0 0 10px;font-size:12px;line-height:1.6;color:var(--primary-dark);}
.sidebar-cta-box .btn{width:100%;justify-content:center;}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:90;height:60px;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.mobile-brand{display:flex;align-items:center;gap:8px;}
.mobile-brand .brand-text{font-size:13px;}
.menu-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--ink-2);
  transition:background .18s ease,border-color .18s ease;
}
.menu-btn:hover{background:#F1F5F8;border-color:var(--border-strong);}
.backdrop{
  position:fixed;inset:0;background:rgba(10,25,35,.42);z-index:75;
  opacity:0;transition:opacity .2s ease;
}
.backdrop.show{opacity:1;}
body.no-scroll{overflow:hidden;}

/* ============ 主区域 ============ */
.page-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.page-main > main{flex:1 1 auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(28,111,165,.18);}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 8px 20px rgba(28,111,165,.24);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:0 2px 8px rgba(28,111,165,.20);}
.btn-secondary{background:#fff;color:var(--primary);border-color:var(--border-strong);}
.btn-secondary:hover{background:var(--primary-light);border-color:var(--primary);}
.btn-secondary:active{transform:scale(.99);}
.btn-ghost{background:transparent;color:var(--ink-2);}
.btn-ghost:hover{background:#EDF2F6;color:var(--primary-dark);}
.btn-sm{min-height:36px;padding:0 14px;font-size:13px;border-radius:9px;}
.btn-lg{min-height:48px;padding:0 26px;font-size:16px;}
.btn[disabled]{opacity:.5;pointer-events:none;}

/* ============ 通用 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--primary-light);color:var(--primary-dark);
}
.pill-bamboo{background:var(--bamboo-light);color:#2F6B41;}
.pill-amber{background:var(--amber-light);color:var(--amber);}
.dot-live{
  width:6px;height:6px;border-radius:50%;background:var(--amber);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.85);}}
.section{padding:72px 0;}
.section-white{background:var(--surface);}
.section-head{margin-bottom:32px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);line-height:1.28;font-weight:700;
  letter-spacing:.01em;color:var(--ink);
}
.section-head p{margin-top:12px;font-size:15px;line-height:1.75;color:var(--ink-2);max-width:680px;}
.rule{
  width:56px;height:2px;background:var(--primary);position:relative;
  margin-top:16px;border-radius:2px;
}
.rule::after{
  content:"";position:absolute;right:-9px;top:-1.5px;width:5px;height:5px;
  border-radius:50%;background:var(--primary);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--primary-light);color:var(--primary-dark);border:1px solid #D4E5F1;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:block;}

/* ============ Hero ============ */
.hero{
  position:relative;background:var(--surface);border-bottom:1px solid var(--border);
  padding:56px 0 56px;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(28,111,165,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(28,111,165,.06) 1px,transparent 1px);
  background-size:44px 44px;opacity:.35;
  -webkit-mask-image:radial-gradient(circle at 82% 18%,#000,transparent 62%);
  mask-image:radial-gradient(circle at 82% 18%,#000,transparent 62%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:#B7C6D2;}
.hero h1{
  font-size:clamp(30px,4.2vw,42px);line-height:1.2;font-weight:700;
  letter-spacing:.01em;color:var(--ink);margin:14px 0 0;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{
  margin-top:16px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;
  border:1px solid var(--border);box-shadow:var(--shadow-md);
}

/* ============ 统计瓷砖 ============ */
.stats-band{background:var(--surface);border-bottom:1px solid var(--border);padding:0 0 56px;}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.stat-tile{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px 18px;box-shadow:var(--shadow-sm);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.stat-tile:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.stat-value{
  font-size:26px;line-height:1.2;font-weight:700;color:var(--primary-dark);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stat-value small{font-size:13px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-label{margin-top:6px;font-size:13px;color:var(--ink-2);font-weight:600;}
.stat-note{margin-top:4px;font-size:12px;line-height:1.6;color:var(--muted);}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:14px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.filter-label{font-size:13px;font-weight:600;color:var(--muted);margin-right:2px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 14px;
  border-radius:999px;border:1px solid var(--border);background:#fff;
  font-size:13px;font-weight:600;color:var(--ink-2);
  transition:all .18s ease;
}
.chip:hover{border-color:var(--border-strong);background:#F4F8FB;color:var(--primary-dark);}
.chip.active{background:var(--primary-light);border-color:#A9CFE7;color:var(--primary-dark);}
.chip:active{transform:scale(.98);}

/* ============ 数据表 ============ */
.table-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-panel);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.table-head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:18px 20px;border-bottom:1px solid var(--border);
}
.table-head h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.4;}
.table-head p{font-size:13px;color:var(--muted);margin-top:2px;}
.table-wrap{overflow-x:auto;position:relative;}
.table-wrap::-webkit-scrollbar{height:8px;}
.table-wrap::-webkit-scrollbar-thumb{background:#D5E2EB;border-radius:999px;}
table.schedule{width:100%;min-width:700px;border-collapse:collapse;font-size:14px;}
table.schedule thead th{
  background:#F0F5F9;color:var(--muted);font-size:13px;font-weight:600;
  text-align:left;padding:12px 20px;white-space:nowrap;
  border-bottom:1px solid var(--border);
}
table.schedule tbody td{
  height:52px;padding:0 20px;border-bottom:1px solid #EDF3F7;
  color:var(--ink-2);vertical-align:middle;white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
table.schedule tbody tr{transition:background .16s ease;}
table.schedule tbody tr:hover{background:#F2F8FC;}
table.schedule tbody tr:last-child td{border-bottom:none;}
td.cell-time{color:var(--ink);font-weight:600;}
td.cell-event{color:var(--ink);font-weight:600;}
.status{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;
  border-radius:999px;font-size:12px;font-weight:600;
}
.status-wait{background:var(--primary-light);color:var(--primary-dark);}
.status-live{background:var(--amber-light);color:var(--amber);}
.status-done{background:#EEF2F5;color:var(--muted);}
.scroll-hint{
  display:flex;align-items:center;justify-content:flex-end;gap:6px;
  padding:10px 20px;font-size:12px;color:var(--muted);background:#FAFCFD;
  border-top:1px solid #EDF3F7;
}

/* ============ 图例与注释 ============ */
.legend-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:24px;}
.legend-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-sm);
}
.legend-card h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px;}
.legend-list{display:flex;flex-direction:column;gap:10px;}
.legend-list li{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--ink-2);}
.legend-list li .status{flex:0 0 auto;margin-top:1px;}
.note-list{display:flex;flex-direction:column;gap:10px;}
.note-list li{
  position:relative;padding-left:16px;font-size:13px;line-height:1.75;color:var(--ink-2);
}
.note-list li::before{
  content:"";position:absolute;left:0;top:9px;width:5px;height:5px;
  border-radius:50%;background:var(--bamboo);
}

/* ============ 说明卡 ============ */
.info-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.info-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--border-strong);}
.info-icon{
  width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);margin-bottom:14px;
}
.info-icon svg{width:20px;height:20px;}
.info-card h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.4;margin-bottom:8px;}
.info-card p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.feature-figure{margin-top:20px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--border);}
.feature-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px;max-width:960px;}
.faq-side h2{font-size:clamp(24px,2.6vw,31px);line-height:1.3;font-weight:700;}
.faq-side p{margin-top:12px;font-size:15px;line-height:1.75;color:var(--ink-2);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--border-strong);}
.faq-item[open]{border-color:#A9CFE7;box-shadow:var(--shadow-sm);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 20px;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:20px;font-weight:400;line-height:1;
  color:var(--primary);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open] summary{background:var(--primary-light);}
.faq-answer{
  padding:16px 20px 20px;font-size:14px;line-height:1.85;color:var(--ink-2);
  background:var(--surface);
}

/* ============ CTA ============ */
.cta-panel{
  background:var(--primary-light);border:1px solid #CFE2EF;border-radius:var(--r-panel);
  border-left:4px solid var(--primary);
  padding:36px 28px;display:flex;flex-direction:column;gap:22px;
}
.cta-panel h2{font-size:clamp(22px,2.4vw,28px);line-height:1.3;font-weight:700;color:var(--primary-dark);}
.cta-panel p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--ink-2);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text span:last-child{color:#8FC4E4;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:#A9C1D0;max-width:340px;}
.footer-title{font-size:13px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:#A9C1D0;transition:color .18s ease;}
.footer-links a:hover{color:#9FD3B3;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:18px 0 22px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8CA8B8;
}

/* ============ 响应式 ============ */
@media (min-width:640px){
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .legend-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .info-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{padding:40px 36px;flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap;}
  .cta-actions{flex:0 0 auto;}
}
@media (min-width:768px){
  .legend-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .info-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:1.35fr .85fr;gap:40px;}
  .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .faq-layout{grid-template-columns:5fr 7fr;gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;}
  .section{padding:88px 0;}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);
    transition:transform .26s cubic-bezier(.4,0,.2,1);
    width:86vw;max-width:320px;box-shadow:0 18px 48px rgba(10,25,35,.24);
  }
  .sidebar.open{transform:translateX(0);}
  .sidebar .nav-link{min-height:48px;}
  .page-main{margin-left:0;}
  .mobile-bar{display:flex;}
  .hero{padding:36px 0 40px;}
  .hero::after{opacity:.2;}
  .section{padding:56px 0;}
}
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:220px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-value{font-size:23px;}
  .section{padding:48px 0;}
  .table-head{padding:16px;}
  .cta-panel{padding:26px 20px;}
  .footer-bottom{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .dot-live{animation:none;}
}

/* roulang page: category4 */
:root {
      --primary: #1C6FA5;
      --primary-dark: #134E75;
      --primary-light: #E8F2F9;
      --bamboo: #4F8A5F;
      --bamboo-light: #EDF6EF;
      --amber: #B96A12;
      --amber-light: #FBF0E2;
      --ink: #14212B;
      --muted: #3F5363;
      --muted-2: #788A98;
      --border: #DEE7EE;
      --border-hover: #B9D3E4;
      --surface: #FFFFFF;
      --page: #F5F8FA;
      --footer-bg: #0F2A38;
      --footer-text: #C9D8E2;
      --radius-sm: 10px;
      --radius-card: 14px;
      --radius-panel: 18px;
      --shadow-card: 0 1px 2px rgba(20, 45, 65, .05), 0 6px 18px rgba(20, 45, 65, .06);
      --shadow-hover: 0 12px 28px rgba(20, 45, 65, .10);
      --shadow-panel: 0 18px 48px rgba(20, 45, 65, .10);
      --sidebar-width: 248px;
      --content-max: 1120px;
      --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      margin: 0;
      background: var(--page);
      color: var(--ink);
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      font-weight: 400;
      text-rendering: optimizeLegibility;
    }

    body.drawer-open {
      overflow: hidden;
    }

    h1, h2, h3, h4, p, ul, ol, dl, figure {
      margin: 0;
    }

    h1, h2, h3, h4 {
      letter-spacing: .01em;
      line-height: 1.25;
    }

    h1 {
      font-size: clamp(30px, 4.2vw, 46px);
      line-height: 1.18;
      font-weight: 700;
    }

    h2 {
      font-size: clamp(24px, 2.6vw, 34px);
      line-height: 1.25;
      font-weight: 700;
    }

    h3 {
      font-size: 20px;
      line-height: 1.4;
      font-weight: 600;
    }

    h4 {
      font-size: 17px;
      line-height: 1.5;
      font-weight: 600;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      display: block;
      max-width: 100%;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    ul, ol {
      padding: 0;
    }

    :focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(28, 111, 165, .25);
      border-radius: 6px;
    }

    .skip-link {
      position: fixed;
      top: 10px;
      left: 10px;
      z-index: 999;
      transform: translateY(-160%);
      background: var(--primary);
      color: #fff;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      transition: transform .2s ease;
    }

    .skip-link:focus {
      transform: translateY(0);
    }

    .container {
      width: min(100% - 48px, var(--content-max));
      margin-left: auto;
      margin-right: auto;
    }

    .site-shell {
      margin-left: var(--sidebar-width);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .main-content {
      flex: 1;
      padding: 32px 0 64px;
    }

    /* 侧栏导航 */
    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--sidebar-width);
      height: 100vh;
      height: 100dvh;
      background: var(--surface);
      border-right: 1px solid var(--border);
      z-index: 60;
      display: flex;
      flex-direction: column;
      transition: transform .26s ease, visibility .26s ease;
    }

    .brand-area {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 14px 18px;
      border-bottom: 1px solid var(--border);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      border-radius: var(--radius-sm);
    }

    .brand-mark {
      width: 30px;
      height: 30px;
      flex: 0 0 auto;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.12;
      font-size: 15px;
      font-weight: 700;
      color: var(--ink);
      white-space: nowrap;
    }

    .brand-text span:last-child {
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      margin-top: 3px;
    }

    .sidebar-nav {
      flex: 1;
      overflow-y: auto;
      padding: 14px 12px;
      display: flex;
      flex-direction: column;
      gap: 4px;
      scrollbar-width: thin;
      scrollbar-color: #C7D8E3 transparent;
    }

    .sidebar-nav::-webkit-scrollbar {
      width: 6px;
    }

    .sidebar-nav::-webkit-scrollbar-thumb {
      background: #C7D8E3;
      border-radius: 999px;
    }

    .nav-link {
      position: relative;
      min-height: 44px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 14px;
      font-weight: 500;
      transition: background .18s ease, color .18s ease;
    }

    .nav-link:hover {
      background: #F1F6F9;
      color: var(--primary-dark);
    }

    .nav-link.active {
      background: var(--primary-light);
      color: var(--primary-dark);
      font-weight: 600;
    }

    .nav-link.active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 9px;
      bottom: 9px;
      width: 3px;
      border-radius: 0 3px 3px 0;
      background: var(--primary);
    }

    .nav-icon {
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
      color: currentColor;
    }

    .sidebar-cta {
      margin: 12px;
      padding: 15px;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      background: var(--primary-light);
    }

    .sidebar-cta-title {
      color: var(--primary-dark);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .sidebar-cta p {
      margin-bottom: 12px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
    }

    .drawer-close {
      display: none;
      width: 40px;
      height: 40px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: #fff;
      color: var(--muted);
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
    }

    .drawer-close:hover {
      background: var(--page);
      color: var(--primary-dark);
    }

    /* 移动端顶部栏与抽屉 */
    .mobile-bar {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 60px;
      padding: 0 16px;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      background: rgba(255, 255, 255, .94);
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      z-index: 70;
    }

    .brand-mobile .brand-text {
      font-size: 14px;
    }

    .brand-mobile .brand-text span:last-child {
      font-size: 12px;
    }

    .menu-toggle {
      width: 40px;
      height: 40px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: #fff;
      color: var(--primary-dark);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
    }

    .menu-toggle:hover {
      background: var(--primary-light);
    }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      z-index: 55;
      background: rgba(10, 25, 35, .42);
      opacity: 0;
      pointer-events: none;
      transition: opacity .24s ease;
    }

    body.drawer-open .drawer-overlay {
      opacity: 1;
      pointer-events: auto;
    }

    /* 通用按钮 */
    .btn {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 600;
      line-height: 1.2;
      transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
      text-align: center;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(0) scale(.99);
    }

    .btn-primary {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      box-shadow: 0 1px 2px rgba(20, 45, 65, .06);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      border-color: var(--primary-dark);
      box-shadow: var(--shadow-card);
    }

    .btn-secondary {
      background: #fff;
      border-color: var(--border-hover);
      color: var(--primary-dark);
    }

    .btn-secondary:hover {
      background: var(--primary-light);
      border-color: var(--primary);
    }

    .btn-ghost {
      background: transparent;
      border-color: transparent;
      color: var(--primary-dark);
    }

    .btn-ghost:hover {
      background: #F1F6F9;
    }

    .btn-block {
      width: 100%;
    }

    /* 首页面包屑与 Hero */
    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 22px;
      color: var(--muted-2);
      font-size: 13px;
    }

    .breadcrumb a:hover {
      color: var(--primary);
    }

    .breadcrumb .sep {
      color: #A9BAC6;
    }

    .breadcrumb [aria-current="page"] {
      color: var(--muted);
      font-weight: 600;
    }

    .hero {
      position: relative;
      padding: 22px 0 42px;
    }

    .hero::before {
      content: "";
      position: absolute;
      top: 0;
      right: -20px;
      width: 340px;
      height: 280px;
      pointer-events: none;
      opacity: .55;
      background-image: linear-gradient(rgba(28, 111, 165, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(28, 111, 165, .07) 1px, transparent 1px);
      background-size: 24px 24px;
      mask-image: linear-gradient(135deg, transparent 10%, #000 45%, transparent 88%);
      -webkit-mask-image: linear-gradient(135deg, transparent 10%, #000 45%, transparent 88%);
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
      gap: 46px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 28px;
      padding: 4px 12px;
      border-radius: 999px;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .eyebrow-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      flex: 0 0 auto;
    }

    .hero h1 {
      max-width: 780px;
      color: var(--ink);
    }

    .hero-lead {
      max-width: 680px;
      margin-top: 18px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.8;
    }

    .hero-actions {
      margin-top: 26px;
    }

    .hero-chips {
      margin-top: 24px;
    }

    .device-chip {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 13px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: #fff;
      color: var(--muted);
      font-size: 13px;
      font-weight: 500;
      transition: border-color .18s ease, color .18s ease, background .18s ease;
    }

    .device-chip:hover {
      border-color: var(--border-hover);
      background: var(--primary-light);
      color: var(--primary-dark);
    }

    .device-chip svg {
      width: 16px;
      height: 16px;
      color: var(--primary);
    }

    .hero-media {
      position: relative;
    }

    .hero-photo {
      position: relative;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      border-radius: var(--radius-panel);
      border: 1px solid rgba(255, 255, 255, .72);
      box-shadow: var(--shadow-panel);
      background: #DCEAF2;
    }

    .hero-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .35s ease;
    }

    .hero-photo:hover img {
      transform: scale(1.02);
    }

    .hero-overlay-card {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      padding: 14px 15px;
      border: 1px solid rgba(222, 231, 238, .95);
      border-radius: var(--radius-card);
      background: rgba(255, 255, 255, .96);
      box-shadow: 0 8px 24px rgba(20, 45, 65, .14);
    }

    .status-line {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 700;
    }

    .status-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--amber);
      animation: pulse 2s ease-in-out infinite;
    }

    .overlay-desc {
      margin-top: 5px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.55;
    }

    .overlay-metrics {
      display: flex;
      gap: 18px;
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px solid var(--border);
    }

    .overlay-metrics span {
      color: var(--muted-2);
      font-size: 12px;
    }

    .overlay-metrics strong {
      color: var(--ink);
      font-size: 14px;
      font-variant-numeric: tabular-nums;
      margin-right: 3px;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: .45; transform: scale(.86); }
    }

    /* 信任条 */
    .trust-bar {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      overflow: hidden;
      margin-top: 10px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-panel);
      box-shadow: var(--shadow-card);
    }

    .trust-item {
      display: flex;
      align-items: flex-start;
      gap: 11px;
      padding: 20px;
      border-right: 1px solid var(--border);
    }

    .trust-item:last-child {
      border-right: 0;
    }

    .trust-icon {
      width: 22px;
      height: 22px;
      flex: 0 0 auto;
      color: var(--primary);
      margin-top: 2px;
    }

    .trust-item strong {
      display: block;
      color: var(--ink);
      font-size: 14px;
      font-weight: 600;
      line-height: 1.5;
    }

    .trust-item span {
      display: block;
      margin-top: 2px;
      color: var(--muted-2);
      font-size: 12px;
      line-height: 1.55;
    }

    /* 区块 */
    .section {
      padding: 44px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-head-copy {
      max-width: 720px;
    }

    .section-kicker {
      display: block;
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
      margin-bottom: 8px;
    }

    .section-head h2 {
      color: var(--ink);
    }

    .bamboo-divider {
      display: flex;
      align-items: center;
      gap: 6px;
      width: 64px;
      height: 8px;
      margin-top: 14px;
    }

    .bamboo-divider::before {
      content: "";
      width: 56px;
      height: 2px;
      border-radius: 2px;
      background: var(--primary);
    }

    .bamboo-divider::after {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--primary);
    }

    .section-sub {
      margin-top: 13px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    /* 设备卡 */
    .device-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 24px;
    }

    .device-card {
      position: relative;
      padding: 24px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .device-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-hover);
    }

    .device-card-head {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }

    .device-icon {
      width: 48px;
      height: 48px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: var(--primary-light);
      color: var(--primary-dark);
    }

    .device-icon svg {
      width: 24px;
      height: 24px;
    }

    .device-card h3 {
      color: var(--ink);
    }

    .device-meta {
      display: inline-flex;
      align-items: center;
      min-height: 24px;
      margin-top: 5px;
      padding: 2px 9px;
      border-radius: 999px;
      background: var(--bamboo-light);
      color: #356344;
      font-size: 12px;
      font-weight: 600;
    }

    .device-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-top: 2px;
    }

    .device-list li {
      position: relative;
      padding-left: 17px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .device-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .62em;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      opacity: .7;
    }

    .device-note {
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px solid var(--border);
      color: var(--muted-2);
      font-size: 13px;
      line-height: 1.65;
    }

    /* 表格 */
    .table-card {
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-panel);
      box-shadow: var(--shadow-card);
    }

    .table-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 22px;
      border-bottom: 1px solid var(--border);
    }

    .table-toolbar h3 {
      font-size: 17px;
      color: var(--ink);
    }

    .table-hint {
      color: var(--muted-2);
      font-size: 12px;
      white-space: nowrap;
    }

    .table-wrap {
      width: 100%;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }

    .compat-table {
      width: 100%;
      min-width: 760px;
      border-collapse: collapse;
    }

    .compat-table thead th {
      padding: 13px 20px;
      background: #F1F6F9;
      color: var(--muted-2);
      font-size: 13px;
      font-weight: 600;
      text-align: left;
      white-space: nowrap;
      border-bottom: 1px solid var(--border);
    }

    .compat-table tbody td {
      min-height: 52px;
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
      vertical-align: middle;
    }

    .compat-table tbody tr:last-child td {
      border-bottom: 0;
    }

    .compat-table tbody tr {
      transition: background .16s ease;
    }

    .compat-table tbody tr:hover {
      background: #F3F9FD;
    }

    .compat-table strong {
      color: var(--ink);
      font-weight: 600;
    }

    .table-badge {
      display: inline-flex;
      align-items: center;
      min-height: 24px;
      padding: 2px 9px;
      border-radius: 999px;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
    }

    .table-note {
      padding: 15px 22px;
      border-top: 1px solid var(--border);
      background: #FAFCFD;
      color: var(--muted-2);
      font-size: 13px;
      line-height: 1.7;
    }

    /* 设置步骤 */
    .steps-shell {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, .55fr);
      gap: 32px;
      align-items: start;
    }

    .steps {
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .step {
      position: relative;
      display: grid;
      grid-template-columns: 40px minmax(0, 1fr);
      gap: 18px;
      padding-bottom: 28px;
    }

    .step:last-child {
      padding-bottom: 0;
    }

    .step:not(:last-child)::before {
      content: "";
      position: absolute;
      left: 19px;
      top: 40px;
      bottom: 0;
      width: 1px;
      background: var(--border);
    }

    .step-index {
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      border: 1px solid var(--border-hover);
      background: #fff;
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 700;
      font-variant-numeric: tabular-nums;
      z-index: 1;
    }

    .step-content h3 {
      font-size: 18px;
      margin-bottom: 6px;
      color: var(--ink);
    }

    .step-content p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .step-tip {
      margin-top: 10px;
      padding: 9px 12px;
      border-left: 3px solid var(--bamboo);
      border-radius: 0 8px 8px 0;
      background: var(--bamboo-light);
      color: #3C6548;
      font-size: 13px;
      line-height: 1.65;
    }

    .aside-card {
      padding: 24px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-panel);
      box-shadow: var(--shadow-card);
    }

    .aside-card h3 {
      font-size: 17px;
      margin-bottom: 12px;
      color: var(--ink);
    }

    .check-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 11px;
    }

    .check-list li {
      display: flex;
      gap: 9px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .check-list svg {
      width: 17px;
      height: 17px;
      flex: 0 0 auto;
      color: var(--bamboo);
      margin-top: 3px;
    }

    .aside-card .btn {
      margin-top: 18px;
    }

    /* FAQ */
    .faq-shell {
      max-width: 880px;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      box-shadow: 0 1px 2px rgba(20, 45, 65, .03);
    }

    .faq-item summary {
      list-style: none;
      min-height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 17px 20px;
      color: var(--ink);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: background .18s ease;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary:hover {
      background: #F7FAFC;
    }

    .faq-plus {
      position: relative;
      width: 20px;
      height: 20px;
      flex: 0 0 auto;
      transition: transform .2s ease;
    }

    .faq-plus::before,
    .faq-plus::after {
      content: "";
      position: absolute;
      left: 50%;
      top: 50%;
      width: 12px;
      height: 1.5px;
      border-radius: 2px;
      background: var(--primary);
      transform: translate(-50%, -50%);
    }

    .faq-plus::after {
      transform: translate(-50%, -50%) rotate(90deg);
    }

    .faq-item[open] .faq-plus {
      transform: rotate(45deg);
    }

    .faq-item[open] summary {
      background: var(--primary-light);
    }

    .faq-answer {
      padding: 0 20px 19px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    /* CTA */
    .cta-panel {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      padding: 30px 32px;
      background: var(--primary-light);
      border: 1px solid #CFE2EF;
      border-left: 4px solid var(--primary);
      border-radius: var(--radius-panel);
    }

    .cta-panel h2 {
      font-size: clamp(22px, 2.2vw, 30px);
      color: var(--primary-dark);
    }

    .cta-panel p {
      max-width: 620px;
      margin-top: 8px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      flex: 0 0 auto;
    }

    /* 页脚 */
    .site-footer {
      margin-top: auto;
      padding: 56px 0 24px;
      background: var(--footer-bg);
      color: var(--footer-text);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
      gap: 36px;
    }

    .footer-brand .brand-mark {
      width: 28px;
      height: 28px;
    }

    .footer-brand .brand-text {
      color: #fff;
    }

    .footer-brand .brand-text span:last-child {
      color: #A8D5B7;
    }

    .footer-brand p {
      margin-top: 15px;
      max-width: 330px;
      color: #A7BDCB;
      font-size: 13px;
      line-height: 1.75;
    }

    .footer-title {
      margin-bottom: 13px;
      color: #fff;
      font-size: 13px;
      font-weight: 600;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 9px;
    }

    .footer-links a,
    .footer-links span {
      color: #A7BDCB;
      font-size: 14px;
      line-height: 1.55;
      transition: color .18s ease;
    }

    .footer-links a:hover {
      color: #A8D5B7;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-top: 40px;
      padding-top: 20px;
      border-top: 1px solid rgba(201, 216, 226, .16);
      color: #8FA9B8;
      font-size: 13px;
    }

    /* 响应式 */
    @media (min-width: 1280px) {
      .section {
        padding: 52px 0;
      }
    }

    @media (max-width: 1100px) {
      .hero-grid {
        gap: 30px;
      }

      .trust-item {
        padding: 17px 15px;
      }

      .steps-shell {
        grid-template-columns: minmax(0, 1fr) minmax(0, .62fr);
      }
    }

    @media (max-width: 1023px) {
      .site-shell {
        margin-left: 0;
        padding-top: 60px;
      }

      .mobile-bar {
        display: flex;
      }

      .sidebar {
        width: min(86vw, 320px);
        transform: translateX(-102%);
        visibility: hidden;
        box-shadow: 14px 0 40px rgba(10, 25, 35, .18);
      }

      .sidebar.open {
        transform: translateX(0);
        visibility: visible;
      }

      .drawer-close {
        display: inline-flex;
      }

      .main-content {
        padding-top: 22px;
      }

      .hero::before {
        display: none;
      }

      .hero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 30px;
      }

      .hero-media {
        order: 2;
      }

      .hero-copy {
        order: 1;
      }

      .trust-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .trust-item:nth-child(2) {
        border-right: 0;
      }

      .trust-item:nth-child(n+3) {
        border-top: 1px solid var(--border);
      }

      .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 767px) {
      .container {
        width: calc(100% - 32px);
      }

      .main-content {
        padding-bottom: 46px;
      }

      .hero {
        padding-top: 14px;
        padding-bottom: 30px;
      }

      .hero-lead {
        font-size: 16px;
        line-height: 1.75;
      }

      .hero-actions .btn {
        flex: 1 1 160px;
      }

      .device-grid {
        grid-template-columns: minmax(0, 1fr);
      }

      .section {
        padding: 34px 0;
      }

      .section-head {
        display: block;
        margin-bottom: 22px;
      }

      .steps-shell {
        grid-template-columns: minmax(0, 1fr);
        gap: 22px;
      }

      .cta-panel {
        display: block;
        padding: 24px;
      }

      .cta-actions {
        margin-top: 18px;
      }

      .cta-actions .btn {
        flex: 1 1 auto;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }

      .table-toolbar {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
        padding: 16px 18px;
      }

      .table-hint {
        white-space: normal;
      }

      .table-note {
        padding: 14px 18px;
      }
    }

    @media (max-width: 560px) {
      .hero h1 {
        font-size: 32px;
      }

      .hero-actions {
        display: flex;
        flex-direction: column;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .device-chip {
        min-height: 38px;
      }

      .trust-bar {
        grid-template-columns: minmax(0, 1fr);
      }

      .trust-item,
      .trust-item:nth-child(2) {
        border-right: 0;
      }

      .trust-item:nth-child(n+2) {
        border-top: 1px solid var(--border);
      }

      .hero-overlay-card {
        left: 12px;
        right: 12px;
        bottom: 12px;
        padding: 12px;
      }

      .overlay-metrics {
        gap: 12px;
      }

      .step {
        grid-template-columns: 32px minmax(0, 1fr);
        gap: 13px;
      }

      .step-index {
        width: 32px;
        height: 32px;
        font-size: 12px;
      }

      .step:not(:last-child)::before {
        left: 15px;
        top: 32px;
      }

      .footer-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 28px;
      }

      .footer-brand {
        grid-column: auto;
      }

      .faq-item summary {
        padding: 15px 16px;
        font-size: 14px;
      }

      .faq-answer {
        padding: 0 16px 17px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
      }

      .status-dot {
        animation: none;
      }
    }

/* roulang page: category6 */
:root{
  --brand:#1C6FA5;
  --brand-deep:#134E75;
  --brand-soft:#E8F2F9;
  --brand-line:#B9D3E4;
  --bamboo:#4F8A5F;
  --bamboo-soft:#EDF6EF;
  --amber:#B96A12;
  --amber-soft:#FBF0E2;
  --ink:#14212B;
  --ink2:#3F5363;
  --ink3:#788A98;
  --line:#DEE7EE;
  --card:#FFFFFF;
  --page:#F5F8FA;
  --footer:#0F2A38;
  --r-s:10px;
  --r-m:14px;
  --r-l:18px;
  --sh1:0 1px 2px rgba(20,45,65,.05),0 6px 18px rgba(20,45,65,.06);
  --sh2:0 12px 28px rgba(20,45,65,.10);
  --sh3:0 18px 48px rgba(20,45,65,.10);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.site-body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--page);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.2em}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-s) 0;font-size:14px;
}
.skip-link:focus{left:0;color:#fff}
.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* ============ 侧栏导航 ============ */
.site-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--card);border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:120;
}
.sidebar-brand{
  height:72px;flex:0 0 auto;display:flex;align-items:center;
  padding:0 18px;border-bottom:1px solid var(--line);
}
.brand-link{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand-mark{width:28px;height:28px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.18;font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-text span:last-child{font-size:12px;font-weight:600;color:var(--brand-deep)}
.sidebar-nav{
  flex:1 1 auto;overflow-y:auto;padding:14px 12px 8px;
  display:flex;flex-direction:column;gap:4px;
}
.nav-link{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:var(--r-s);border-left:3px solid transparent;
  font-size:14px;font-weight:500;color:var(--ink2);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav-link:hover{background:#F0F5F9;color:var(--brand-deep)}
.nav-link:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(28,111,165,.25)}
.nav-link.active{background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--brand);font-weight:600}
.nav-icon{width:18px;height:18px;flex:0 0 auto}
.sidebar-cta{
  margin:12px;padding:14px;border:1px solid var(--brand-line);
  background:var(--brand-soft);border-radius:var(--r-m);flex:0 0 auto;
}
.sidebar-cta .cta-title{font-size:13px;font-weight:600;color:var(--brand-deep);margin-bottom:4px}
.sidebar-cta p{font-size:12px;line-height:1.6;color:var(--ink2);margin-bottom:10px}

/* ============ 移动顶部栏 ============ */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:110;height:60px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.menu-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-s);
  border:1px solid var(--line);background:#fff;color:var(--ink2);cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.menu-btn:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-deep)}
.menu-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(28,111,165,.25)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,25,35,.42);z-index:115;
  opacity:0;pointer-events:none;transition:opacity .24s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ============ 内容区 ============ */
.site-content{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.page{width:100%;max-width:1240px;margin:0 auto;padding:40px 40px 72px;flex:1 1 auto}
.section{padding:56px 0}
.section:first-child{padding-top:8px}

/* ============ 通用组件 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:600;white-space:nowrap;
}
.pill-live{background:var(--amber-soft);color:#8A4E0C}
.dot-live{width:6px;height:6px;border-radius:50%;background:var(--amber);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-s);border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(28,111,165,.25)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(19,78,117,.20)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-outline{background:#fff;color:var(--brand-deep);border-color:var(--brand-line)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep)}
.btn-outline:active{transform:scale(.99)}
.btn-ghost{background:transparent;color:var(--ink2)}
.btn-ghost:hover{background:#EEF4F8;color:var(--brand-deep)}
.btn-sm{height:36px;padding:0 14px;font-size:13px}
.btn-lg{height:48px;padding:0 24px;font-size:15px}
.btn-block{width:100%}
.divider{display:flex;align-items:center;gap:6px;margin-top:12px}
.divider span{display:block;width:56px;height:2px;background:var(--brand);border-radius:2px}
.divider i{display:block;width:5px;height:5px;border-radius:50%;background:var(--brand)}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:.01em}
.section-head p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--ink2)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:var(--brand-line)}

/* ============ Hero ============ */
.hero{
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;
  padding:8px 0 40px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.18;font-weight:700;
  letter-spacing:.01em;margin:16px 0 14px;
}
.hero .lead{font-size:18px;line-height:1.8;color:var(--ink2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
}
.hero-metrics .num{font-size:20px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.hero-metrics .lab{font-size:12px;color:var(--ink3);margin-top:2px}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh1);background:#DDE9F1;
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-overlay{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(255,255,255,.96);border:1px solid var(--line);
  border-radius:var(--r-m);padding:14px 16px;box-shadow:var(--sh1);
}
.hero-overlay .ov-text{font-size:13px;line-height:1.6;color:var(--ink2);margin-top:8px}
.hero-overlay .ov-nums{display:flex;gap:18px;margin-top:10px;font-size:12px;color:var(--ink3)}
.hero-overlay .ov-nums b{display:block;font-size:16px;color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}

/* ============ 快捷 chips ============ */
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;font-weight:600;color:var(--ink2);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-deep)}
.chip b{color:var(--brand);font-variant-numeric:tabular-nums}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(28,111,165,.25)}

/* ============ FAQ 双栏 ============ */
.faq-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:32px;align-items:start}
.faq-anchor{position:sticky;top:24px}
.anchor-title{
  font-size:12px;font-weight:600;color:var(--ink3);letter-spacing:.06em;
  margin-bottom:10px;padding-left:12px;
}
.anchor-link{
  display:block;padding:10px 12px;border-radius:var(--r-s);border-left:3px solid transparent;
  font-size:14px;color:var(--ink2);font-weight:500;transition:all .18s ease;
}
.anchor-link:hover{background:#EEF4F8;color:var(--brand-deep)}
.anchor-link.is-active{background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--brand);font-weight:600}
.anchor-link:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(28,111,165,.25)}
.faq-group{scroll-margin-top:24px;margin-bottom:36px}
.group-head{margin-bottom:16px}
.group-head h2{font-size:22px;line-height:1.35;font-weight:700;letter-spacing:.01em}
.group-head p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--ink3)}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh1);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.faq-item:hover{border-color:var(--brand-line)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;min-height:64px;padding:16px 20px;
  font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(28,111,165,.25)}
.faq-mark{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;display:grid;place-items:center;
  color:var(--brand);font-size:20px;line-height:1;transition:transform .22s ease;
}
.faq-item[open]{border-color:var(--brand-line);box-shadow:var(--sh2)}
.faq-item[open] summary{background:var(--brand-soft);color:var(--brand-deep)}
.faq-item[open] .faq-mark{transform:rotate(45deg)}
.faq-answer{padding:16px 20px 20px;font-size:14px;line-height:1.85;color:var(--ink2)}
.faq-answer p+p{margin-top:10px}
.faq-answer strong{color:var(--ink);font-weight:600}
.faq-answer a{text-decoration:underline;text-underline-offset:3px}

/* ============ 帮助入口三卡 ============ */
.help-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.help-card{padding:24px;display:flex;flex-direction:column;gap:12px}
.help-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);
}
.help-card h3{font-size:17px;font-weight:600;line-height:1.4}
.help-card p{font-size:14px;line-height:1.7;color:var(--ink2);flex:1 1 auto}
.help-card .more{font-size:13px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
.help-card:hover .more{gap:10px}
.help-card .more span{transition:transform .18s ease}

/* ============ 表单板块 ============ */
.ask-panel{
  display:grid;grid-template-columns:1fr 1.15fr;gap:0;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-l);background:var(--card);
  box-shadow:var(--sh3);
}
.ask-side{
  padding:32px;background:
    linear-gradient(180deg,rgba(232,242,249,.92),rgba(232,242,249,.75)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  display:flex;flex-direction:column;gap:14px;
}
.ask-side h2{font-size:24px;line-height:1.3;font-weight:700}
.ask-side p{font-size:14px;line-height:1.8;color:var(--ink2)}
.ask-points{list-style:none;padding:0;margin:6px 0 0;display:flex;flex-direction:column;gap:10px}
.ask-points li{display:flex;gap:10px;font-size:13px;line-height:1.7;color:var(--ink2)}
.ask-points li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;
  background:var(--bamboo);margin-top:8px;
}
.ask-form-wrap{padding:32px}
.ask-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--ink)}
.field .req{color:var(--brand)}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-s);
  background:#fff;color:var(--ink);font-size:14px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:120px;padding:10px 12px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(28,111,165,.16);
}
.field .hint{font-size:12px;color:var(--ink3);line-height:1.6}
.form-note{
  grid-column:1/-1;padding:12px 14px;border-radius:var(--r-s);
  background:var(--bamboo-soft);border:1px solid #CBE3D2;color:#2E6040;
  font-size:13px;line-height:1.7;
}

/* ============ 结尾 CTA ============ */
.end-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--brand-soft);border:1px solid var(--brand-line);
  border-left:4px solid var(--brand);border-radius:var(--r-m);
  padding:28px 32px;
}
.end-cta h2{font-size:22px;line-height:1.35;font-weight:700;color:var(--brand-deep)}
.end-cta p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--ink2)}
.end-cta .acts{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer);color:#C9D8E2;padding:56px 0 24px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text span:last-child{color:#9FC4DA}
.footer-brand p{margin-top:14px;font-size:13px;line-height:1.85;color:#9FB6C4;max-width:320px}
.footer-title{font-size:13px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:#C9D8E2}
.footer-links a:hover{color:#9ED8B3}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:#8FA8B7;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar-w:220px}
  .page{padding:32px 28px 60px}
}
@media (max-width:1023px){
  .site-sidebar{
    width:86vw;max-width:320px;transform:translateX(-100%);
    transition:transform .26s ease;box-shadow:var(--sh3);
  }
  .site-sidebar.is-open{transform:translateX(0)}
  .site-content{margin-left:0}
  .mobile-topbar{display:flex}
  .page{padding:24px 20px 56px}
  .hero{grid-template-columns:1fr;gap:26px;padding-bottom:28px}
  .hero-visual{order:2}
  .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}
  .faq-layout{grid-template-columns:1fr;gap:20px}
  .faq-anchor{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none}
  .faq-anchor::-webkit-scrollbar{display:none}
  .anchor-title{display:none}
  .anchor-link{
    flex:0 0 auto;border-left:none;border:1px solid var(--line);background:#fff;
    border-radius:999px;padding:8px 14px;font-size:13px;white-space:nowrap;
  }
  .anchor-link.is-active{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-deep)}
  .help-grid{grid-template-columns:1fr}
  .ask-panel{grid-template-columns:1fr}
  .ask-side{padding:24px}
  .ask-form-wrap{padding:24px}
  .end-cta{padding:22px 24px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .hero h1{font-size:30px}
  .hero .lead{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .hero-overlay{position:static;left:auto;right:auto;bottom:auto;margin-top:0;border-radius:0;border:none;border-top:1px solid var(--line);box-shadow:none;background:#fff}
  .ask-form{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .end-cta .acts{width:100%}
  .end-cta .acts .btn{flex:1 1 auto}
  .section{padding:44px 0}
  .group-head h2{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .card:hover,.btn-primary:hover{transform:none}
}