/* roulang page: index */
:root{
  --brand:#2F6FD6;
  --brand-deep:#2358B0;
  --brand-light:#EAF1FC;
  --accent:#F3A64A;
  --teal:#37B6A3;
  --bg:#F7FAFD;
  --surface:#FFFFFF;
  --ink:#172033;
  --muted:#5C6B7F;
  --line:#DCE6F2;
  --danger:#D9534F;
  --night:#0F1F33;
  --radius-btn:12px;
  --radius-card:16px;
  --radius-lg:20px;
  --shadow-card:0 12px 32px rgba(23,42,77,.06);
  --shadow-hover:0 16px 40px rgba(23,42,77,.10);
  --section-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

.container-page{max-width:1180px;margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section-tight{padding:64px 0;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(23,42,77,.07);}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(150deg,var(--brand) 0%,#4E8BE8 55%,var(--teal) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:16px;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(47,111,214,.24);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink);line-height:1.2;}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.6px;line-height:1.4;}
.nav-desktop{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 16px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link:focus-visible{outline:3px solid rgba(47,111,214,.28);outline-offset:2px;}
.nav-link.is-active{color:var(--brand);font-weight:700;background:var(--brand-light);}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#BFD5F4;background:var(--brand-light);}
.icon-btn:focus-visible{outline:3px solid rgba(47,111,214,.28);outline-offset:2px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(47,111,214,.30);outline-offset:2px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(47,111,214,.22);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 14px 30px rgba(47,111,214,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C4D8F5;}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}

/* 胶囊标签 */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
  background:var(--brand-light);color:var(--brand-deep);
}
.pill-accent{background:#FDF1E0;color:#B76E17;}
.pill-teal{background:#E4F6F2;color:#1E8577;}
.pill-outline{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* Hero */
.hero{padding:56px 0 72px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 18% 12%, rgba(47,111,214,.10), transparent 42%),
    radial-gradient(circle at 88% 78%, rgba(55,182,163,.09), transparent 46%);
}
.hero-grid-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(to right, rgba(47,111,214,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47,111,214,.055) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 40%, #000 0%, transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%, #000 0%, transparent 72%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:600px;}
.hero-title{
  font-size:52px;line-height:1.15;font-weight:800;letter-spacing:-.5px;
  color:var(--ink);
}
.hero-title .hl{color:var(--brand);}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.85;color:var(--muted);max-width:560px;
}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-trust{margin-top:32px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;height:420px;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:0 24px 50px rgba(23,42,77,.14);
}
.hero-media-badge{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-card);
  display:flex;align-items:center;gap:12px;
}
.hero-media-badge .dot{
  width:10px;height:10px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 5px rgba(55,182,163,.16);
}
.hero-media-badge strong{display:block;font-size:14px;font-weight:700;line-height:1.4;}
.hero-media-badge span{font-size:12px;color:var(--muted);line-height:1.4;}

/* 通用标题 */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand);}
.section-title{font-size:32px;line-height:1.32;font-weight:800;letter-spacing:-.3px;margin-top:14px;}
.section-desc{margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);max-width:720px;}

/* 编号条 */
.num-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;}
.num-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.num-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C4D8F5;}
.num-item .num{
  font-size:13px;font-weight:800;letter-spacing:2px;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.num-item h3{margin-top:12px;font-size:18px;font-weight:700;line-height:1.5;}
.num-item p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted);}

/* 分类入口 */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px;}
.cat-card{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 30px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:block;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C4D8F5;}
.cat-card:focus-visible{outline:3px solid rgba(47,111,214,.28);outline-offset:3px;}
.cat-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;
  background:rgba(47,111,214,.06);
}
.cat-card h3{margin-top:16px;font-size:22px;font-weight:800;color:var(--ink);line-height:1.45;}
.cat-card p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);position:relative;z-index:1;}
.cat-more{
  margin-top:20px;display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--brand);
}
.cat-more .arrow{transition:transform .2s ease;}
.cat-card:hover .cat-more .arrow{transform:translateX(4px);}

/* 卡片 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C4D8F5;}
.card-cover{width:100%;aspect-ratio:16/10;object-fit:cover;}
.card-body{padding:22px 22px 24px;}
.card-title{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);transition:color .2s ease;}
.card:hover .card-title{color:var(--brand);}
.card-text{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
  margin-top:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
}
.card-meta .sep{width:1px;height:12px;background:var(--line);}
.card-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand);
  transition:gap .2s ease;
}
.card:hover .card-arrow{gap:10px;}

/* 精选大卡 */
.feature-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;margin-top:44px;}
.feature-side{display:grid;grid-template-columns:1fr;gap:20px;}
.mini-card{display:flex;gap:16px;padding:16px;align-items:flex-start;}
.mini-card img{width:112px;height:84px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.mini-card h4{font-size:16px;font-weight:700;line-height:1.5;transition:color .2s ease;}
.mini-card:hover h4{color:var(--brand);}
.mini-card p{margin-top:6px;font-size:13px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* CMS 列表 */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
.cms-card-link{display:flex;flex-direction:column;height:100%;padding:24px 22px 22px;}
.cms-card-link:focus-visible{outline:3px solid rgba(47,111,214,.28);outline-offset:-3px;border-radius:var(--radius-card);}
.empty-state{
  margin-top:40px;border:1.5px dashed #C4D8F5;border-radius:var(--radius-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:var(--brand);
}
.empty-state p{font-size:15px;color:var(--muted);}
.empty-state a{margin-top:16px;display:inline-flex;font-size:14.5px;font-weight:700;color:var(--brand);}
.empty-state a:hover{text-decoration:underline;}

/* 故事区 */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-top:8px;}
.story-media img{width:100%;height:400px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:0 20px 44px rgba(23,42,77,.12);}
.story-text p{margin-top:18px;font-size:16px;line-height:1.95;color:#3A4757;}
.quote-block{
  margin-top:26px;border-left:3px solid var(--brand);background:var(--brand-light);
  border-radius:0 12px 12px 0;padding:18px 22px;
  font-size:15px;line-height:1.85;color:var(--brand-deep);
}
.story-list{margin-top:24px;display:grid;gap:14px;}
.story-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:#3A4757;}
.story-list .tick{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;margin-top:5px;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}

/* 数据条 */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;margin-top:44px;
}
.stat-cell{background:#fff;padding:30px 24px;text-align:center;}
.stat-cell .value{
  font-size:32px;font-weight:800;color:var(--brand);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat-cell .label{margin-top:8px;font-size:14px;color:var(--muted);}

/* 评价 */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:28px;}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-card);}
.quote-card p{font-size:15px;line-height:1.9;color:#3A4757;}
.quote-card .who{margin-top:18px;display:flex;align-items:center;gap:12px;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(140deg,#DCE9FB,#E4F6F2);
  color:var(--brand-deep);font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.who-name{font-size:14px;font-weight:700;color:var(--ink);line-height:1.4;}
.who-desc{font-size:12.5px;color:var(--muted);line-height:1.4;}

/* 订阅 CTA */
.cta-band{
  background:linear-gradient(135deg,#EAF1FC 0%,#F3F8FF 55%,#E9F7F3 100%);
  border:1px solid #D8E6F8;border-radius:var(--radius-lg);
  padding:48px 48px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:30px;line-height:1.35;font-weight:800;letter-spacing:-.3px;}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.85;color:#41505F;}
.subscribe-form{display:flex;gap:12px;}
.input-field{
  height:48px;flex:1;min-width:0;border-radius:var(--radius-btn);
  border:1px solid #C9DAF0;background:#fff;padding:0 18px;
  font-size:15px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.input-field::placeholder{color:#93A2B4;}
.input-field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,111,214,.16);}
.form-note{margin-top:12px;font-size:12.5px;color:#6A7A8C;line-height:1.7;}
.form-msg{margin-top:12px;font-size:13.5px;font-weight:600;color:#1E8577;display:none;}
.form-msg.show{display:block;}

/* 页脚 */
.site-footer{background:var(--night);color:#B9C7D8;padding:72px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-sub{color:#7E90A6;}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.9;color:#93A6BC;max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:1px;margin-bottom:18px;}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:#93A6BC;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-links a:focus-visible{outline:2px solid #4E8BE8;outline-offset:3px;border-radius:4px;}
.footer-contact{font-size:14px;line-height:1.9;color:#93A6BC;}
.footer-contact strong{color:#E6EEF8;font-weight:600;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);
  padding:24px 0 32px;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#7E90A6;
}
.footer-bottom a{color:#93A6BC;}
.footer-bottom a:hover{color:#fff;}
.back-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#B9C7D8;
}
.back-top:hover{color:#fff;}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;display:none;
}
.mobile-drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(15,31,51,.42);}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:#fff;display:flex;flex-direction:column;padding:20px;
  box-shadow:-16px 0 40px rgba(23,42,77,.16);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-nav{margin-top:16px;display:grid;gap:6px;flex:1;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--muted);transition:background-color .2s ease,color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-light);color:var(--brand);font-weight:700;}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

@media (max-width:1023px){
  :root{--section-y:60px;}
  .nav-desktop{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:36px;min-height:auto;padding-top:8px;}
  .hero-title{font-size:36px;}
  .hero-media img{height:280px;}
  .hero-media-badge{left:12px;bottom:12px;}
  .feature-grid{grid-template-columns:1fr;}
  .story-grid{grid-template-columns:1fr;gap:32px;}
  .story-media img{height:300px;}
  .cms-grid{grid-template-columns:repeat(2,1fr);}
  .num-strip{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container-page{padding:0 18px;}
  .hero{padding:32px 0 48px;}
  .hero-title{font-size:30px;letter-spacing:-.2px;}
  .hero-sub{font-size:15.5px;margin-top:16px;}
  .section-title{font-size:24px;}
  .section-desc{font-size:15px;}
  .cat-grid{grid-template-columns:1fr;}
  .cms-grid{grid-template-columns:1fr;}
  .feature-grid{gap:20px;}
  .mini-card img{width:96px;height:74px;}
  .stats-strip{grid-template-columns:1fr;}
  .cta-band h2{font-size:24px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-media img{height:240px;}
  .header-actions .btn{display:none;}
}
@media (max-width:520px){
  .brand-text{font-size:16px;}
  .brand-sub{display:none;}
  .hero-title{font-size:27px;}
  .card-body{padding:18px;}
  .num-item{padding:22px 20px;}
}

/* roulang page: article */
:root{
  --brand:#2F6FD6;
  --brand-dark:#2358B0;
  --brand-soft:#EAF1FC;
  --accent:#F3A64A;
  --mint:#37B6A3;
  --bg:#F7FAFD;
  --surface:#FFFFFF;
  --ink:#172033;
  --muted:#5C6B7F;
  --line:#DCE6F2;
  --danger:#D9534F;
  --footer:#0F1F33;
  --radius-btn:12px;
  --radius-card:16px;
  --radius-lg:20px;
  --shadow-card:0 12px 32px rgba(23,42,77,.06);
  --shadow-card-hover:0 16px 40px rgba(23,42,77,.10);
  --container:1180px;
}
*,*::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","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:2px;border-radius:6px}

.container-page{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部阅读进度 ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--mint));z-index:120;transition:width .12s linear}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,42,77,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#4F8BE8);
  color:#fff;font-size:19px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(47,111,214,.28);
}
.brand-text{display:block;font-size:17px;font-weight:800;letter-spacing:.4px;line-height:1.2}
.brand-sub{display:block;font-size:10px;letter-spacing:1.6px;color:var(--muted);font-weight:600;margin-top:2px}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--muted);border-radius:10px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  border-radius:11px;cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#BBD2F0;background:var(--brand-soft)}
.icon-btn:active{transform:translateY(1px)}
#drawerOpen{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(47,111,214,.24)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 30px rgba(47,111,214,.30)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(47,111,214,.22)}
.btn-ghost{background:var(--surface);color:var(--brand);border-color:#BBD2F0}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 移动抽屉 ---------- */
.drawer-scrim{
  position:fixed;inset:0;background:rgba(15,31,51,.42);z-index:130;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-scrim.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:140;
  background:var(--surface);display:flex;flex-direction:column;
  padding:18px 20px 24px;transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,.1,.2,1);
  box-shadow:-18px 0 48px rgba(15,31,51,.18);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:18px 0;flex:1}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:11px;
  font-size:15px;font-weight:600;color:var(--ink);background:transparent;transition:all .18s ease;
}
.drawer-nav a:hover,.drawer-nav a:focus-visible{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand)}
.drawer-cta{width:100%}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B7C5D8}
.breadcrumb .crumb-current{color:var(--ink);font-weight:600;max-width:min(560px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{background:var(--surface);border-bottom:1px solid var(--line);padding:44px 0 40px}
.article-hero-inner{max-width:860px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:700;letter-spacing:.2px;
}
.article-title{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.22;font-weight:800;letter-spacing:-.4px;margin:16px 0 0;color:var(--ink);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--muted)}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C3D1E3}
.article-lead{
  margin-top:24px;padding:18px 22px;border-left:3px solid var(--brand);
  background:var(--brand-soft);border-radius:0 14px 14px 0;
  font-size:15.5px;line-height:1.85;color:#294A7D;
}

/* ---------- 两栏布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:40px;
  align-items:start;padding:44px 0 0;
}
.article-main{min-width:0}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:36px 38px 40px;
}
.article-cover{
  margin:0 0 30px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:#E8F0FB;
}
.article-cover img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}

/* ---------- 正文排版 ---------- */
.article-body{max-width:780px;font-size:16px;line-height:1.9;color:#233149}
.article-body > p:first-of-type{font-size:17px;color:#1B2839}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:28px;line-height:1.35;font-weight:800;color:var(--ink);
  margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{font-size:22px;line-height:1.45;font-weight:700;color:var(--ink);margin:32px 0 12px}
.article-body h4{font-size:18px;font-weight:700;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px}
.article-body li{margin:8px 0}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-dark);text-decoration-thickness:2px}
.article-body strong{font-weight:700;color:#101B2C}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:#F4F8FE;border-left:3px solid var(--mint);
  border-radius:0 12px 12px 0;color:#2B4569;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:26px 0;border:1px solid var(--line)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:24px 0;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:#F2F7FE;font-weight:700;white-space:nowrap}
.article-body code{background:#F2F6FC;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--surface);border:1.5px dashed #BFD3EC;border-radius:var(--radius-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-card);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state h2{font-size:24px;font-weight:800;margin:0 0 10px}
.empty-state p{color:var(--muted);margin:0 0 22px;font-size:15px}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:20px 20px 22px;
}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;color:var(--ink);
  letter-spacing:.3px;margin:0 0 14px;
}
.side-title::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-link{
  display:block;padding:8px 10px;border-radius:9px;font-size:13.5px;line-height:1.55;
  color:var(--muted);border-left:2px solid transparent;transition:all .18s ease;
}
.toc-link:hover{background:var(--brand-soft);color:var(--brand)}
.toc-link.is-sub{padding-left:22px;font-size:13px}
.toc-link.is-current{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand);font-weight:700}
.toc-empty{font-size:13px;color:var(--muted);line-height:1.7}
.side-card.cta-card{
  background:linear-gradient(160deg,#F2F7FE,#FFFFFF);
  border-color:#CFE0F6;
}
.side-card.cta-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0 0 16px}
.side-card.cta-card .cta-title{font-size:17px;font-weight:800;color:var(--ink);margin:0 0 8px;line-height:1.5}
.side-card.cta-card .btn{width:100%}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 10px;border-radius:10px;font-size:14px;color:#2A3A50;font-weight:600;
  transition:all .18s ease;
}
.side-links a:hover{background:var(--brand-soft);color:var(--brand)}
.side-links a svg{flex:0 0 auto;transition:transform .18s ease;color:#9DB2CC}
.side-links a:hover svg{transform:translateX(3px);color:var(--brand)}

/* ---------- 正文底部导航 ---------- */
.article-foot{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}

/* ---------- 延伸阅读 ---------- */
.related-section{padding:56px 0 0}
.section-head{margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;margin:8px 0 0}
.section-kicker{font-size:12.5px;font-weight:800;letter-spacing:2px;color:var(--brand);text-transform:uppercase}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;color:inherit;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:#C7DAF3;text-decoration:none}
.card:hover .card-title{color:var(--brand)}
.card:hover .card-arrow{transform:translateX(3px)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#E8F0FB}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.card-title{font-size:18px;line-height:1.45;font-weight:700;color:var(--ink);margin:0;transition:color .18s ease}
.card-desc{font-size:14px;line-height:1.7;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px}
.meta-text{font-size:12px;color:#8395AC}
.card-arrow{color:var(--brand);transition:transform .18s ease;display:inline-flex}

/* ---------- 订阅 CTA ---------- */
.subscribe-band{margin:64px 0 0}
.subscribe-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
  background:linear-gradient(125deg,#EAF1FC,#F7FAFD 65%);
  border:1px solid #CFE0F6;border-radius:var(--radius-lg);padding:38px 40px;
}
.subscribe-inner h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;line-height:1.35;margin:0 0 10px}
.subscribe-inner p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.subscribe-form{display:flex;gap:10px}
.input-field{
  flex:1;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--ink);font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease;
}
.input-field::placeholder{color:#93A5BC}
.input-field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,111,214,.16)}
.form-note{font-size:12px;color:var(--muted);margin-top:10px}
.form-msg{font-size:13px;margin-top:10px;font-weight:600}
.form-msg.is-ok{color:var(--mint)}
.form-msg.is-err{color:var(--danger)}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer);color:#B9C9DC;margin-top:80px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-sub{color:#7E93AD}
.footer-desc{font-size:13.5px;line-height:1.85;color:#93A8C1;margin:0;max-width:340px}
.footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:#A6B9D0;transition:color .18s ease}
.footer-links a:hover{color:#fff}
.footer-contact p{font-size:13.5px;line-height:1.8;color:#93A8C1;margin:0 0 10px}
.footer-contact strong{color:#C9D8E8;font-weight:700}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.10);font-size:12.5px;color:#8095AF;
}
.back-top{display:inline-flex;align-items:center;gap:6px;color:#A6B9D0;font-size:12.5px;transition:color .18s ease}
.back-top:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-desktop{display:none}
  #drawerOpen{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .side-col{position:static;margin-top:32px;flex-direction:row;flex-wrap:wrap}
  .side-col > .side-card{flex:1 1 280px}
  .side-card.toc-card{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .subscribe-inner{grid-template-columns:1fr;padding:30px 26px}
}
@media (max-width:768px){
  .container-page{padding:0 18px}
  .header-inner{height:64px;gap:12px}
  .brand-text{font-size:15px}
  .brand-sub{font-size:9px;letter-spacing:1.2px}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px}
  .header-actions .btn-primary{display:none}
  .article-hero{padding:30px 0 28px}
  .article-panel{padding:24px 20px 28px;border-radius:16px}
  .article-body h2{font-size:23px;margin-top:34px}
  .article-body h3{font-size:19px}
  .article-body{font-size:15.5px}
  .article-layout{padding-top:28px}
  .article-cover{margin-bottom:22px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .subscribe-band{margin-top:48px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .site-footer{margin-top:56px;padding-top:42px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px}
  .footer-desc{max-width:none}
  .breadcrumb .crumb-current{max-width:60vw}
}
@media (max-width:520px){
  .article-title{font-size:28px}
  .article-lead{padding:14px 16px;font-size:14.5px}
  .icon-btn{width:40px;height:40px}
  .btn{height:46px;padding:0 18px}
  .side-col{flex-direction:column}
  .side-col > .side-card{flex:1 1 auto}
  .article-foot .btn{width:100%}
}

/* roulang page: category1 */
:root{
    --primary:#2F6FD6;
    --primary-dark:#2358B0;
    --primary-light:#EAF1FC;
    --accent:#F3A64A;
    --teal:#37B6A3;
    --bg:#F7FAFD;
    --surface:#FFFFFF;
    --text:#172033;
    --muted:#5C6B7F;
    --border:#DCE6F2;
    --danger:#D9534F;
    --footer:#0F1F33;
    --radius-sm:12px;
    --radius:16px;
    --radius-lg:20px;
    --shadow:0 12px 32px rgba(23,42,77,.06);
    --shadow-hover:0 16px 40px rgba(23,42,77,.10);
  }
  *,*::before,*::after{box-sizing:border-box;}
  body.page-body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  .page-body h1,.page-body h2,.page-body h3,.page-body p,.page-body ul,.page-body ol,.page-body figure{margin:0;}
  .page-body ul,.page-body ol{padding:0;list-style:none;}
  .page-body a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
  .page-body a:hover{color:var(--primary-dark);}
  .page-body img{display:block;max-width:100%;height:auto;}
  .page-body button{font-family:inherit;}
  .page-body :focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:2px;border-radius:8px;}
  .container-page{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

  /* header */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease;}
  .site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,42,77,.08);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
  .brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,#3C7EE3,#2358B0);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex-shrink:0;}
  .brand-text{display:block;font-size:16px;font-weight:800;line-height:1.2;color:var(--text);letter-spacing:.2px;}
  .brand-sub{display:block;font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--muted);line-height:1.4;}
  .nav-desktop{display:flex;align-items:center;gap:4px;}
  .nav-link{position:relative;display:inline-block;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--muted);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
  .nav-link:hover{color:var(--primary);background:var(--primary-light);}
  .nav-link.is-active{color:var(--primary);font-weight:700;background:var(--primary-light);}
  .header-actions{display:flex;align-items:center;gap:10px;}
  .icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;}
  .icon-btn:hover{color:var(--primary);border-color:#BFD5F2;background:var(--primary-light);}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;padding:12px 22px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;text-decoration:none;min-height:44px;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(47,111,214,.22);}
  .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(47,111,214,.28);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{background:#fff;color:var(--primary);border-color:#BFD5F2;}
  .btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary);}
  .btn-sm{padding:9px 16px;font-size:14px;min-height:40px;}
  .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
  #drawerOpen{display:none;}

  /* drawer */
  .drawer-mask{position:fixed;inset:0;background:rgba(15,31,51,.45);opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:80;}
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}
  .mobile-drawer{position:fixed;top:0;right:0;height:100%;width:min(330px,88vw);background:#fff;z-index:90;transform:translateX(102%);transition:transform .3s ease;display:flex;flex-direction:column;padding:20px;}
  .mobile-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border);}
  .drawer-links{display:flex;flex-direction:column;gap:4px;padding:18px 0;flex:1;}
  .drawer-link{display:block;padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text);text-decoration:none;}
  .drawer-link:hover{background:var(--primary-light);color:var(--primary);}
  .drawer-link.is-active{background:var(--primary-light);color:var(--primary);}
  .drawer-foot{padding-top:16px;border-top:1px solid var(--border);}
  .drawer-foot .btn{width:100%;}

  /* page hero */
  .page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#EAF1FC 0%,#F7FAFD 100%);border-bottom:1px solid var(--border);padding:40px 0 56px;}
  .page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(47,111,214,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(47,111,214,.06) 1px,transparent 1px);background-size:44px 44px;opacity:.7;pointer-events:none;}
  .page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(47,111,214,.14),transparent 68%);pointer-events:none;}
  .page-hero .container-page{position:relative;z-index:1;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px;}
  .breadcrumb a{color:var(--muted);text-decoration:none;}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#B9C7D8;}
  .breadcrumb .current{color:var(--text);font-weight:600;}
  .hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid #C9DCF5;color:var(--primary-dark);font-size:13px;font-weight:600;margin-bottom:18px;}
  .hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);}
  .page-hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.5px;max-width:820px;}
  .page-hero h1 .accent{color:var(--primary);}
  .hero-lead{margin-top:18px;max-width:760px;font-size:16px;line-height:1.9;color:var(--muted);}
  .anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .chip{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;font-weight:600;color:var(--muted);text-decoration:none;transition:all .2s ease;}
  .chip:hover{color:var(--primary);border-color:#BFD5F2;background:var(--primary-light);transform:translateY(-1px);}

  /* main layout */
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .index-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:32px;align-items:start;}
  .index-panel{position:sticky;top:96px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px;}
  .panel-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;margin-bottom:16px;}
  .index-list{display:flex;flex-direction:column;gap:6px;}
  .index-item{display:flex;align-items:flex-start;gap:12px;padding:12px;border-radius:12px;text-decoration:none;color:var(--text);transition:background-color .2s ease,color .2s ease;}
  .index-item:hover{background:var(--primary-light);color:var(--primary-dark);}
  .index-num{flex-shrink:0;width:28px;height:28px;border-radius:9px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;}
  .index-item:hover .index-num{background:var(--primary);color:#fff;}
  .index-item-text{font-size:14px;font-weight:600;line-height:1.5;}
  .index-item-desc{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:2px;}
  .panel-note{margin-top:20px;padding-top:18px;border-top:1px dashed var(--border);font-size:13px;line-height:1.75;color:var(--muted);}
  .panel-cta{display:block;width:100%;margin-top:16px;}

  .list-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:24px;}
  .list-head h2{font-size:28px;line-height:1.3;font-weight:800;letter-spacing:-.3px;}
  .list-head p{font-size:14px;color:var(--muted);margin-top:6px;}
  .entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .content-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
  .content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9DCF5;}
  .card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--primary-light);}
  .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
  .content-card:hover .card-cover img{transform:scale(1.04);}
  .card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .tag{display:inline-flex;align-items:center;align-self:flex-start;height:28px;padding:0 12px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:700;}
  .tag-warm{background:#FDF1E1;color:#A9661A;}
  .tag-teal{background:#E5F7F4;color:#1E8C7E;}
  .card-title{font-size:18px;line-height:1.45;font-weight:700;color:var(--text);}
  .card-desc{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  .card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:12px;color:var(--muted);margin-top:auto;padding-top:6px;}
  .card-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);}
  .card-link svg{transition:transform .2s ease;}
  .content-card:hover .card-link svg{transform:translateX(3px);}

  .checklist{display:grid;gap:16px;margin-top:8px;}
  .check-row{display:flex;gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);}
  .check-ico{flex-shrink:0;width:34px;height:34px;border-radius:10px;background:#E5F7F4;color:#1E8C7E;display:flex;align-items:center;justify-content:center;}
  .check-row h3{font-size:16px;font-weight:700;line-height:1.5;}
  .check-row p{font-size:14px;color:var(--muted);line-height:1.75;margin-top:4px;}

  .section-head{margin-bottom:36px;max-width:720px;}
  .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--primary);margin-bottom:10px;}
  .section-head h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.3px;}
  .section-head p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);}

  .faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:0 22px;transition:border-color .2s ease,box-shadow .2s ease;}
  .faq-item:hover{border-color:#C9DCF5;box-shadow:var(--shadow-hover);}
  .faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:16px;font-weight:600;line-height:1.5;color:var(--text);}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-plus{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:transform .25s ease,color .25s ease;}
  .faq-item[open] .faq-plus{transform:rotate(45deg);color:var(--primary);}
  .faq-item[open] summary{color:var(--primary-dark);}
  .faq-answer{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--muted);border-top:1px solid var(--border);padding-top:16px;}

  .cta-band{background:linear-gradient(120deg,#EAF1FC 0%,#F7FAFD 100%);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
  .cta-band h2{font-size:26px;line-height:1.35;font-weight:800;}
  .cta-band p{margin-top:10px;font-size:15px;color:var(--muted);max-width:520px;}
  .sub-form{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-start;}
  .sub-form input{height:48px;min-width:240px;flex:1;padding:0 16px;border-radius:12px;border:1px solid var(--border);background:#fff;font-size:15px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;}
  .sub-form input::placeholder{color:#9AA9BC;}
  .sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,111,214,.18);}
  .sub-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(217,83,79,.14);}
  .form-note{width:100%;font-size:12px;color:var(--muted);line-height:1.6;}
  .form-msg{width:100%;font-size:13px;font-weight:600;min-height:18px;}
  .form-msg.ok{color:#1E8C7E;}
  .form-msg.err{color:var(--danger);}

  .dual-link{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px;}
  .link-card{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);text-decoration:none;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
  .link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9DCF5;}
  .link-card strong{display:block;font-size:16px;font-weight:700;color:var(--text);}
  .link-card span{display:block;font-size:13px;color:var(--muted);margin-top:4px;}
  .link-card .arrow{flex-shrink:0;width:36px;height:36px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;transition:transform .2s ease;}

  /* footer */
  .site-footer{background:var(--footer);color:#C7D3E3;padding:64px 0 0;margin-top:24px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-mark{background:linear-gradient(140deg,#3C7EE3,#2358B0);}
  .footer-brand .brand-text{color:#fff;font-size:16px;font-weight:800;display:block;line-height:1.2;}
  .footer-brand .brand-sub{color:#8FA3BD;display:block;font-size:10px;font-weight:600;letter-spacing:.16em;}
  .footer-desc{font-size:13px;line-height:1.85;color:#9FB2C9;max-width:320px;}
  .footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:9px;}
  .footer-links a{font-size:14px;color:#C7D3E3;text-decoration:none;}
  .footer-links a:hover{color:#fff;}
  .footer-contact p{font-size:13px;line-height:1.8;color:#9FB2C9;margin-bottom:8px;}
  .footer-contact strong{color:#D9E3F0;font-weight:600;}
  .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8FA3BD;}
  .back-top{display:inline-flex;align-items:center;gap:6px;color:#C7D3E3;text-decoration:none;font-size:13px;}
  .back-top:hover{color:#fff;}

  @media (max-width:1023px){
    .nav-desktop{display:none;}
    #drawerOpen{display:inline-flex;}
    .index-layout{grid-template-columns:1fr;gap:28px;}
    .index-panel{position:static;top:auto;}
    .section{padding:56px 0;}
    .page-hero{padding:32px 0 44px;}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  }
  @media (max-width:767px){
    .container-page{padding:0 18px;}
    .header-inner{height:64px;gap:12px;}
    .brand-text{font-size:15px;}
    .brand-sub{font-size:9px;letter-spacing:.1em;}
    .header-actions .btn-sm{display:none;}
    .entry-grid{grid-template-columns:1fr;}
    .faq-grid{grid-template-columns:1fr;}
    .dual-link{grid-template-columns:1fr;}
    .cta-band{padding:28px 22px;}
    .cta-band h2{font-size:22px;}
    .sub-form input{min-width:0;width:100%;}
    .sub-form .btn{width:100%;}
    .list-head h2{font-size:23px;}
    .section-head h2{font-size:24px;}
  }
  @media (max-width:519px){
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .anchor-chips{gap:8px;}
    .chip{padding:8px 14px;font-size:13px;}
  }

/* roulang page: category2 */
:root{
    --primary:#2F6FD6;
    --primary-dark:#2358B0;
    --primary-soft:#EAF1FC;
    --accent:#F3A64A;
    --teal:#37B6A3;
    --bg:#F7FAFD;
    --surface:#FFFFFF;
    --text:#172033;
    --muted:#5C6B7F;
    --border:#DCE6F2;
    --ink:#0F1F33;
    --danger:#D9534F;
    --radius-btn:12px;
    --radius-card:16px;
    --radius-lg:20px;
    --shadow-card:0 12px 32px rgba(23,42,77,.06);
    --shadow-hover:0 16px 40px rgba(23,42,77,.10);
    --container:1180px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:var(--primary);text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}

  .container-page{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding-left:24px;
    padding-right:24px;
  }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:#fff;
    border-bottom:1px solid var(--border);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    box-shadow:0 8px 24px rgba(23,42,77,.08);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:72px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
    flex-shrink:0;
  }
  .brand-mark{
    width:38px;
    height:38px;
    border-radius:11px;
    background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
    color:#fff;
    font-weight:800;
    font-size:19px;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
    letter-spacing:0;
  }
  .brand-text{
    display:block;
    font-size:17px;
    font-weight:800;
    color:var(--text);
    line-height:1.25;
    letter-spacing:.2px;
  }
  .brand-sub{
    display:block;
    font-size:10px;
    font-weight:600;
    color:#8A98AB;
    letter-spacing:1.4px;
    line-height:1.4;
  }
  .nav-desktop{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:auto;
    margin-right:auto;
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:40px;
    padding:0 14px;
    border-radius:10px;
    font-size:15px;
    font-weight:600;
    color:var(--muted);
    transition:color .18s ease,background-color .18s ease;
  }
  .nav-link:hover{color:var(--primary);background:var(--primary-soft);}
  .nav-link:focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:2px;}
  .nav-link.is-active{color:var(--primary);background:var(--primary-soft);}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:14px;right:14px;bottom:-11px;
    height:2px;
    border-radius:2px;
    background:var(--primary);
  }
  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .icon-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(--muted);
    cursor:pointer;
    transition:color .18s ease,border-color .18s ease,background-color .18s ease;
  }
  .icon-btn:hover{color:var(--primary);border-color:#B9D0EF;background:var(--primary-soft);}
  .icon-btn:focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:2px;}
  #drawerOpen{display:none;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 22px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .16s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
    white-space:nowrap;
  }
  .btn:focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:3px;}
  .btn-primary{
    background:var(--primary);
    color:#fff;
    box-shadow:0 8px 20px rgba(47,111,214,.22);
  }
  .btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(47,111,214,.2);}
  .btn-ghost{
    background:#fff;
    color:var(--primary);
    border-color:#C3D7F1;
  }
  .btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;}

  /* ---------- mobile drawer ---------- */
  .drawer-overlay{
    position:fixed;inset:0;
    background:rgba(15,31,51,.42);
    opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;
    z-index:80;
  }
  .drawer-overlay.is-open{opacity:1;visibility:visible;}
  .mobile-drawer{
    position:fixed;
    top:0;right:0;
    width:min(320px,86vw);
    height:100%;
    background:#fff;
    z-index:90;
    transform:translateX(100%);
    transition:transform .3s ease;
    display:flex;
    flex-direction:column;
    padding:20px;
    box-shadow:-16px 0 40px rgba(23,42,77,.14);
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:16px;
    border-bottom:1px solid var(--border);
    margin-bottom:14px;
  }
  .drawer-title{font-size:15px;font-weight:800;color:var(--text);}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;}
  .drawer-link{
    display:flex;align-items:center;
    min-height:48px;
    padding:0 14px;
    border-radius:12px;
    font-size:15px;font-weight:600;
    color:var(--muted);
    transition:background-color .18s ease,color .18s ease;
  }
  .drawer-link:hover{background:var(--primary-soft);color:var(--primary);}
  .drawer-link.is-active{background:var(--primary-soft);color:var(--primary);}
  .drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--border);}
  .drawer-foot .btn{width:100%;}

  /* ---------- breadcrumb ---------- */
  .breadcrumb{
    padding:18px 0 4px;
    font-size:13px;
    color:var(--muted);
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
  }
  .breadcrumb a{color:var(--muted);transition:color .18s ease;}
  .breadcrumb a:hover{color:var(--primary);text-decoration:underline;}
  .breadcrumb .sep{color:#B6C3D4;}
  .breadcrumb .current{color:var(--text);font-weight:600;}

  /* ---------- page hero ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    background:#EFF5FD;
    border-bottom:1px solid var(--border);
    margin-top:14px;
  }
  .page-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:radial-gradient(circle at 1px 1px,rgba(47,111,214,.16) 1px,transparent 0);
    background-size:26px 26px;
    opacity:.5;
    pointer-events:none;
  }
  .page-hero-inner{
    position:relative;
    display:grid;
    grid-template-columns:minmax(0,1fr) 380px;
    gap:48px;
    align-items:center;
    padding:56px 0 60px;
  }
  .hero-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:30px;
    padding:0 14px;
    border-radius:999px;
    background:#fff;
    border:1px solid #CFE0F5;
    color:var(--primary);
    font-size:13px;
    font-weight:700;
    letter-spacing:.4px;
  }
  .hero-tag .dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--teal);
    box-shadow:0 0 0 3px rgba(55,182,163,.18);
  }
  .page-hero h1{
    font-size:46px;
    line-height:1.18;
    font-weight:800;
    letter-spacing:-.5px;
    margin-top:18px;
    color:var(--text);
  }
  .page-hero h1 .hl{color:var(--primary);}
  .hero-lead{
    margin-top:16px;
    max-width:620px;
    font-size:16px;
    line-height:1.9;
    color:var(--muted);
  }
  .anchor-pills{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }
  .pill{
    display:inline-flex;
    align-items:center;
    gap:6px;
    min-height:36px;
    padding:0 16px;
    border-radius:999px;
    background:#fff;
    border:1px solid #D3E1F4;
    color:#31506F;
    font-size:13.5px;
    font-weight:600;
    transition:all .18s ease;
  }
  .pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-1px);}
  .pill:focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:2px;}
  .hero-figure{position:relative;}
  .hero-figure img{
    width:100%;
    height:300px;
    object-fit:cover;
    border-radius:var(--radius-lg);
    box-shadow:0 20px 44px rgba(23,42,77,.14);
  }
  .hero-figure .float-card{
    position:absolute;
    left:-18px;
    bottom:-22px;
    background:#fff;
    border-radius:14px;
    padding:14px 18px;
    box-shadow:0 14px 34px rgba(23,42,77,.14);
    border:1px solid var(--border);
  }
  .float-card .num{
    font-size:22px;font-weight:800;color:var(--primary);line-height:1.2;
    font-variant-numeric:tabular-nums;
  }
  .float-card .cap{font-size:12px;color:var(--muted);line-height:1.5;}

  /* ---------- section shells ---------- */
  .section{padding:76px 0;}
  .section-tight{padding:56px 0;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:36px;
  }
  .section-eyebrow{
    font-size:13px;
    font-weight:700;
    letter-spacing:1.6px;
    color:var(--primary);
    text-transform:uppercase;
    margin-bottom:10px;
  }
  .section-title{
    font-size:30px;
    line-height:1.32;
    font-weight:800;
    letter-spacing:-.3px;
    color:var(--text);
  }
  .section-desc{
    margin-top:10px;
    font-size:15px;
    color:var(--muted);
    max-width:640px;
  }

  /* ---------- tile grid ---------- */
  .tile-grid{
    display:grid;
    grid-template-columns:repeat(6,minmax(0,1fr));
    gap:22px;
  }
  .tile{
    grid-column:span 2;
    display:flex;
    flex-direction:column;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C6D9F2;}
  .tile:focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:3px;}
  .tile-lg{grid-column:span 3;}
  .tile-media{
    position:relative;
    aspect-ratio:16/10;
    overflow:hidden;
    background:#E7EEF8;
  }
  .tile-lg .tile-media{aspect-ratio:16/9;}
  .tile-media img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .5s ease;
  }
  .tile:hover .tile-media img{transform:scale(1.04);}
  .tile-body{
    padding:20px 22px 22px;
    display:flex;
    flex-direction:column;
    flex:1;
  }
  .tile-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
  .tag{
    display:inline-flex;
    align-items:center;
    height:26px;
    padding:0 11px;
    border-radius:999px;
    background:var(--primary-soft);
    color:var(--primary);
    font-size:12px;
    font-weight:700;
    letter-spacing:.2px;
  }
  .tag-teal{background:rgba(55,182,163,.13);color:#1F8C7D;}
  .tag-accent{background:rgba(243,166,74,.16);color:#B8721A;}
  .tile-title{
    font-size:19px;
    line-height:1.45;
    font-weight:700;
    color:var(--text);
    transition:color .18s ease;
  }
  .tile-lg .tile-title{font-size:22px;}
  .tile:hover .tile-title{color:var(--primary);}
  .tile-text{
    margin-top:10px;
    font-size:14.5px;
    line-height:1.8;
    color:var(--muted);
  }
  .tile-foot{
    margin-top:18px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:12.5px;
    color:#8494A8;
    border-top:1px dashed #E3EBF5;
    padding-top:14px;
  }
  .tile-more{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    font-weight:700;
    color:var(--primary);
  }
  .tile-more svg{transition:transform .2s ease;}
  .tile:hover .tile-more svg{transform:translateX(3px);}

  /* ---------- timeline ---------- */
  .timeline-wrap{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    padding:38px 34px;
    box-shadow:var(--shadow-card);
  }
  .timeline{
    position:relative;
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:26px;
  }
  .timeline::before{
    content:"";
    position:absolute;
    left:22px;right:22px;top:19px;
    height:2px;
    background:linear-gradient(90deg,rgba(47,111,214,.35),rgba(47,111,214,.12));
    border-radius:2px;
  }
  .tl-item{position:relative;padding-top:0;}
  .tl-num{
    position:relative;
    width:40px;height:40px;
    border-radius:12px;
    background:var(--primary-soft);
    border:1px solid #CFE0F5;
    color:var(--primary);
    font-size:14px;
    font-weight:800;
    display:flex;align-items:center;justify-content:center;
    font-variant-numeric:tabular-nums;
    margin-bottom:16px;
    background-color:#fff;
    z-index:1;
  }
  .tl-item.is-current .tl-num{
    background:var(--primary);
    border-color:var(--primary);
    color:#fff;
    box-shadow:0 8px 20px rgba(47,111,214,.28);
  }
  .tl-title{font-size:16px;font-weight:700;color:var(--text);line-height:1.5;}
  .tl-text{margin-top:8px;font-size:14px;line-height:1.8;color:var(--muted);}

  /* ---------- note strip ---------- */
  .note-strip{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    margin-top:26px;
  }
  .note-item{
    background:#fff;
    border:1px solid var(--border);
    border-radius:14px;
    padding:18px 20px;
    box-shadow:0 6px 18px rgba(23,42,77,.04);
  }
  .note-item .k{
    font-size:13px;font-weight:700;color:var(--primary);
    display:flex;align-items:center;gap:8px;
    margin-bottom:6px;
  }
  .note-item .k i{
    width:6px;height:6px;border-radius:50%;background:var(--accent);
    display:inline-block;
  }
  .note-item .v{font-size:14px;line-height:1.8;color:var(--muted);}

  /* ---------- faq ---------- */
  .faq-list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:16px;
  }
  .faq-item{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    box-shadow:0 6px 18px rgba(23,42,77,.04);
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{
    border-color:#BCD3F0;
    box-shadow:0 12px 30px rgba(23,42,77,.08);
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:14px;
    padding:18px 20px;
    font-size:16px;
    font-weight:700;
    color:var(--text);
    line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:-3px;}
  .faq-item summary .plus{
    flex-shrink:0;
    width:26px;height:26px;
    border-radius:8px;
    background:var(--primary-soft);
    color:var(--primary);
    display:flex;align-items:center;justify-content:center;
    transition:transform .22s ease,background-color .22s ease,color .22s ease;
    margin-top:2px;
  }
  .faq-item[open] summary .plus{
    transform:rotate(45deg);
    background:var(--primary);
    color:#fff;
  }
  .faq-answer{
    padding:0 20px 20px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
    border-top:1px solid #EDF3FA;
    padding-top:16px;
    margin-top:0;
  }

  /* ---------- continue / cta ---------- */
  .continue-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:22px;
  }
  .continue-card{
    display:flex;
    align-items:center;
    gap:20px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:22px;
    box-shadow:var(--shadow-card);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .continue-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C6D9F2;}
  .continue-card:focus-visible{outline:3px solid rgba(47,111,214,.35);outline-offset:3px;}
  .continue-thumb{
    width:96px;height:76px;
    border-radius:12px;
    object-fit:cover;
    flex-shrink:0;
  }
  .continue-body h3{font-size:17px;font-weight:700;color:var(--text);line-height:1.5;}
  .continue-body p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7;}
  .continue-body .link{
    display:inline-flex;align-items:center;gap:6px;
    margin-top:10px;font-size:13px;font-weight:700;color:var(--primary);
  }

  .cta-band{
    margin-top:34px;
    background:linear-gradient(120deg,#EAF1FC 0%,#F4F8FE 100%);
    border:1px solid #CFE0F5;
    border-radius:var(--radius-lg);
    padding:34px 36px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
  }
  .cta-band h3{font-size:22px;font-weight:800;color:var(--text);line-height:1.4;}
  .cta-band p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.8;max-width:560px;}
  .cta-band .cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap;}

  /* ---------- footer ---------- */
  .site-footer{
    background:var(--ink);
    color:#B9C7D9;
    margin-top:80px;
    padding:60px 0 26px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.3fr;
    gap:40px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-text{color:#fff;}
  .footer-brand .brand-sub{color:#6E8299;}
  .footer-desc{font-size:14px;line-height:1.85;color:#93A6BC;max-width:340px;}
  .footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{
    font-size:14px;color:#93A6BC;
    transition:color .18s ease;
    min-height:24px;
    display:inline-flex;align-items:center;
  }
  .footer-links a:hover{color:#fff;}
  .footer-links a:focus-visible{outline:3px solid rgba(47,111,214,.5);outline-offset:2px;border-radius:4px;}
  .footer-contact p{font-size:13.5px;line-height:1.85;color:#93A6BC;margin-bottom:8px;}
  .footer-contact strong{color:#C9D7E7;font-weight:700;}
  .footer-bottom{
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.1);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    flex-wrap:wrap;
    font-size:13px;
    color:#7E92A8;
  }
  .back-top{
    display:inline-flex;align-items:center;gap:6px;
    color:#B9C7D9;font-weight:600;
    transition:color .18s ease;
  }
  .back-top:hover{color:#fff;}
  .back-top:focus-visible{outline:3px solid rgba(47,111,214,.5);outline-offset:2px;border-radius:4px;}

  /* ---------- responsive ---------- */
  @media (max-width:1180px){
    .page-hero h1{font-size:40px;}
  }
  @media (max-width:1023px){
    .nav-desktop{display:none;}
    #drawerOpen{display:inline-flex;}
    .header-actions .btn-sm{display:none;}
    .page-hero-inner{grid-template-columns:1fr;gap:34px;padding:44px 0 48px;}
    .hero-figure img{height:240px;}
    .hero-figure .float-card{left:auto;right:12px;bottom:-18px;}
    .page-hero h1{font-size:34px;}
    .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .tile,.tile-lg{grid-column:span 1;}
    .tile-lg .tile-media{aspect-ratio:16/10;}
    .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
    .timeline::before{display:none;}
    .note-strip{grid-template-columns:1fr;}
    .faq-list{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
    .continue-grid{grid-template-columns:1fr;}
  }
  @media (max-width:767px){
    .container-page{padding-left:18px;padding-right:18px;}
    .section{padding:56px 0;}
    .section-tight{padding:44px 0;}
    .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
    .section-title{font-size:24px;}
    .page-hero h1{font-size:29px;letter-spacing:-.2px;}
    .hero-lead{font-size:15px;}
    .brand-text{font-size:15px;}
    .brand-sub{font-size:9px;letter-spacing:1px;}
    .tile-grid{grid-template-columns:1fr;gap:18px;}
    .timeline{grid-template-columns:1fr;}
    .timeline-wrap{padding:26px 22px;}
    .tile-lg .tile-title{font-size:19px;}
    .continue-card{flex-direction:column;align-items:flex-start;gap:14px;}
    .continue-thumb{width:100%;height:160px;}
    .faq-item summary{font-size:15px;padding:16px;}
    .faq-answer{padding:0 16px 18px;font-size:14.5px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .site-footer{padding:44px 0 22px;margin-top:56px;}
    .footer-desc{max-width:none;}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
    .cta-band .cta-actions{width:100%;}
    .cta-band .btn{width:100%;}
    .hero-figure .float-card{padding:12px 14px;}
  }
  @media (max-width:520px){
    .page-hero-inner{padding:36px 0 42px;}
    .page-hero h1{font-size:26px;}
    .anchor-pills{gap:8px;}
    .pill{font-size:12.5px;padding:0 13px;min-height:34px;}
    .hero-figure img{height:200px;}
    .tile-body{padding:16px 18px 18px;}
  }