/* roulang page: index */
:root{
  --brand:#1e4d8c;
  --brand-deep:#163a6b;
  --brand-2:#2c6fb5;
  --brand-soft:#eaf1fa;
  --accent:#e08a3c;
  --accent-soft:#fdf1e4;
  --accent-deep:#a8541b;
  --bg:#f5f7fa;
  --surface:#ffffff;
  --surface-2:#eef2f8;
  --ink:#1b2534;
  --ink-2:#3b4a5f;
  --muted:#5f7085;
  --line:#e6ebf2;
  --dark-panel:#10243d;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 18px rgba(30,77,140,.06);
  --shadow-hover:0 8px 26px rgba(30,77,140,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ============ 骨架 ============ */
.shell{display:flex;min-height:100vh;align-items:flex-start}
.sidebar{
  width:256px;flex:0 0 256px;position:sticky;top:0;height:100vh;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:26px;padding:28px 20px;z-index:60;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;letter-spacing:.5px;
  box-shadow:0 6px 14px rgba(30,77,140,.25);
}
.brand-name{font-size:15px;font-weight:700;line-height:1.3;letter-spacing:.2px}
.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--brand);background:var(--surface-2);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-label{font-size:11px;letter-spacing:2px;color:#9aa9bd;text-transform:uppercase;padding-left:12px}
.nav{display:flex;flex-direction:column;gap:4px}
.nav a{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  font-size:14.5px;color:var(--ink-2);border-left:3px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav a .dot{width:6px;height:6px;border-radius:50%;background:#c8d3e2;flex:0 0 6px;transition:background .18s ease}
.nav a:hover{background:var(--surface-2);color:var(--brand)}
.nav a:hover .dot{background:var(--brand-2)}
.nav a.active{background:var(--brand-soft);color:var(--brand);border-left-color:var(--accent);font-weight:600}
.nav a.active .dot{background:var(--accent)}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.7}
.side-foot strong{color:var(--ink-2);font-weight:600}

.content{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(30,77,140,.22)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(30,77,140,.28)}
.btn-outline{border:1px solid rgba(30,77,140,.35);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-light:hover{background:rgba(255,255,255,.22)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-deep);font-size:12px;font-weight:600;letter-spacing:.2px;
}
.badge-blue{background:var(--brand-soft);color:var(--brand)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--brand);letter-spacing:1.5px;margin-bottom:12px;
}
.eyebrow::before{content:'';width:16px;height:2px;background:var(--accent);border-radius:2px}
.sec-title{font-size:26px;letter-spacing:.2px}
.sec-desc{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px;line-height:1.8}
.section{padding:84px 0}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:34px}
.text-link{color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--accent-deep)}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d8e2ef}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.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{padding:20px 22px 22px}
.card-title{font-size:17.5px;font-weight:700;margin-bottom:8px}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8595aa;margin-top:14px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:#eef3f9 url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(245,247,250,.97) 0%,rgba(245,247,250,.93) 44%,rgba(228,238,250,.86) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;padding:82px 0 90px;align-items:center}
.hero-brand{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--brand);background:rgba(255,255,255,.75);border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:20px}
.hero-brand i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block;box-shadow:0 0 0 4px rgba(224,138,60,.18)}
.hero h1{font-size:38px;line-height:1.3;letter-spacing:.2px}
.hero h1 em{font-style:normal;color:var(--brand);box-shadow:inset 0 -10px 0 rgba(224,138,60,.18)}
.hero-sub{margin-top:18px;font-size:16.5px;color:var(--ink-2);line-height:1.85;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-size:13.5px;color:var(--muted)}
.hero-points span{display:inline-flex;align-items:center;gap:7px}
.hero-points span::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--brand-2)}
.status-panel{
  background:var(--dark-panel);border-radius:18px;padding:26px 26px 24px;color:#dbe6f3;
  box-shadow:0 18px 40px rgba(16,36,61,.28);position:relative;overflow:hidden;
}
.status-panel::after{
  content:'';position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(44,111,181,.55),rgba(16,36,61,0) 70%);
}
.status-head{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;letter-spacing:1px;color:#8ea7c4;text-transform:uppercase}
.status-live{display:inline-flex;align-items:center;gap:7px;color:#8fe0a8;letter-spacing:0}
.status-live i{width:8px;height:8px;border-radius:50%;background:#43d17c;display:block;box-shadow:0 0 0 4px rgba(67,209,124,.18)}
.status-title{font-size:19px;color:#fff;font-weight:700;margin-top:16px}
.status-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.status-row{display:flex;align-items:center;justify-content:space-between;font-size:14px;padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.12)}
.status-row:last-child{border-bottom:0;padding-bottom:0}
.status-row b{color:#fff;font-weight:600}
.status-bar{height:6px;border-radius:99px;background:rgba(255,255,255,.14);margin-top:18px;overflow:hidden}
.status-bar i{display:block;height:100%;width:92%;background:linear-gradient(90deg,var(--accent),#f2b673);border-radius:99px}
.status-note{margin-top:12px;font-size:12.5px;color:#93a9c4}

/* ============ 数据条 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-46px;position:relative;z-index:5}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px;box-shadow:var(--shadow)}
.stat-num{font-size:26px;font-weight:700;color:var(--brand);letter-spacing:.5px}
.stat-label{font-size:14px;font-weight:600;margin-top:6px}
.stat-text{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ============ 专题封面 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.topic-card img{aspect-ratio:16/9;width:100%;object-fit:cover}
.topic-body{padding:20px 22px 24px}
.topic-body h3{font-size:18px}
.topic-body p{font-size:14.5px;color:var(--muted);margin-top:8px;line-height:1.8}
.topic-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--brand);font-size:14px;font-weight:600}
.topic-link:hover{color:var(--accent-deep)}

/* ============ 合集目录 ============ */
.dir-list{border-top:1px solid var(--line)}
.dir-item{
  display:grid;grid-template-columns:64px 1fr 220px 34px;align-items:center;gap:22px;
  padding:22px 6px;border-bottom:1px solid var(--line);transition:background .2s ease,padding-left .2s ease;
}
.dir-item:hover{background:var(--surface);padding-left:16px}
.dir-num{font-size:20px;font-weight:700;color:#c3cfe0;letter-spacing:1px}
.dir-item:hover .dir-num{color:var(--accent)}
.dir-title{font-size:17px;font-weight:600}
.dir-desc{font-size:13.5px;color:var(--muted);margin-top:4px}
.dir-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:3px 10px}
.dir-arrow{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-size:15px;transition:background .2s ease,color .2s ease}
.dir-item:hover .dir-arrow{background:var(--brand);color:#fff}

/* ============ 精选条目 ============ */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* ============ CMS 最新信息 ============ */
.cms-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.cms-item{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cms-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d8e2ef}
.cms-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:#8595aa;margin-bottom:10px}
.cms-title{font-size:17px;font-weight:600;line-height:1.55}
.cms-sum{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--brand)}
.cms-empty{
  grid-column:1 / -1;text-align:center;color:var(--muted);font-size:14.5px;
  padding:38px 20px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--surface);
}

/* ============ 相关推荐 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rel-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 18px 20px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.rel-item:hover{background:var(--brand-soft);border-color:#cfe0f3;transform:translateY(-2px)}
.rel-item h3{font-size:15px;font-weight:600;line-height:1.6}
.rel-item p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7}
.rel-item span{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--brand);font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease}
.faq-item[open]{box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';font-size:20px;line-height:1;color:var(--accent);font-weight:600;
  width:24px;height:24px;flex:0 0 24px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center;
}
.faq-item[open] summary::after{content:'−'}
.faq-item[open] summary{background:var(--surface-2)}
.faq-body{padding:16px 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85;background:var(--surface-2)}

/* ============ CTA 条 ============ */
.cta-bar{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px 34px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;box-shadow:var(--shadow);
}
.cta-bar h2{font-size:20px}
.cta-bar p{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:620px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark-panel);color:#c3d2e5;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding:56px 0 40px}
.site-footer h3{font-size:14px;color:#fff;letter-spacing:1px;margin-bottom:16px;font-weight:600}
.site-footer p{font-size:13.5px;line-height:1.9;color:#9fb3cc}
.site-footer li{margin-bottom:10px}
.site-footer a{font-size:13.5px;color:#b9c9dd;transition:color .18s ease}
.site-footer a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--brand-2),var(--brand));display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px}
.footer-brand b{color:#fff;font-size:15px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:#8298b3}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 0 74px}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:28px}
  .topic-grid,.pick-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .cms-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .dir-item{grid-template-columns:54px 1fr 34px}
  .dir-tags{display:none}
}
@media (max-width:768px){
  .shell{flex-direction:column}
  .sidebar{
    width:100%;flex:none;height:auto;position:sticky;top:0;
    border-right:0;border-bottom:1px solid var(--line);
    padding:14px 20px;gap:0;
  }
  .brand-row{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%}
  .nav-toggle{display:flex}
  .nav-label{display:none}
  .nav{display:none;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
  .sidebar.open .nav{display:flex}
  .side-foot{display:none}
  .container{padding:0 20px}
  .section{padding:54px 0}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .sec-title{font-size:22px}
  .topic-grid,.pick-grid,.rel-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .dir-item{grid-template-columns:40px 1fr;gap:14px;padding:18px 4px}
  .dir-arrow{display:none}
  .cta-bar{padding:24px 22px}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 28px}
}
@media (max-width:520px){
  .hero h1{font-size:24px}
  .hero-actions .btn{width:100%}
  .status-panel{padding:22px 20px}
  .card-body{padding:18px}
}

/* roulang page: article */
:root{
  --brand:#1e4d8c;
  --brand-600:#2c6fb5;
  --brand-700:#163b6b;
  --brand-dark:#12263f;
  --accent:#e08a3c;
  --accent-soft:rgba(224,138,60,.14);
  --bg:#f5f7fa;
  --paper:#ffffff;
  --paper-2:#eef2f8;
  --ink:#16202e;
  --ink-2:#3a4b60;
  --muted:#5b6b80;
  --line:#e6ebf2;
  --radius:14px;
  --radius-lg:18px;
  --shadow:0 6px 18px rgba(30,77,140,.06);
  --shadow-lg:0 8px 26px rgba(30,77,140,.12);
  --side-w:262px;
}
*,*::before,*::after{box-sizing:border-box;}
html body{
  margin:0;
  padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;}
p{margin:0 0 1.15em;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ============ 布局骨架 ============ */
.layout{min-height:100vh;}
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--brand-dark);
  color:#dbe6f3;
  display:flex;
  flex-direction:column;
  padding:22px 18px 18px;
  z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.page{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.wrap{
  width:100%;
  max-width:1220px;
  margin:0 auto;
  padding:30px 32px 76px;
  flex:1 1 auto;
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:44px;height:44px;flex:none;border-radius:12px;
  background:linear-gradient(150deg,var(--brand-600),var(--brand));
  color:#fff;display:grid;place-items:center;
  font-size:12.5px;font-weight:800;letter-spacing:.6px;
  box-shadow:0 6px 14px rgba(0,0,0,.22);
}
.brand-name{display:block;color:#fff;font-size:15.5px;font-weight:700;letter-spacing:.3px;}
.brand-sub{display:block;color:#8ea6c2;font-size:12px;line-height:1.5;}
.nav-toggle{
  display:none;
  width:42px;height:38px;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  align-items:center;justify-content:center;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";display:block;width:16px;height:2px;border-radius:2px;background:#e8f0f9;
  position:absolute;left:50%;transform:translateX(-50%);
}
.nav-toggle span::before{top:-5px;left:0;transform:none;}
.nav-toggle span::after{top:5px;left:0;transform:none;}
.nav-label{
  color:#6d87a6;font-size:11.5px;letter-spacing:2px;
  margin:26px 0 10px;padding-left:12px;
}
.nav{display:flex;flex-direction:column;gap:4px;}
.nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  color:#c3d3e5;font-size:14.5px;font-weight:500;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav a:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px);}
.nav a.active{
  background:rgba(44,111,181,.26);
  color:#fff;
  box-shadow:inset 3px 0 0 var(--accent);
}
.dot{
  width:6px;height:6px;border-radius:50%;background:#5a7699;flex:none;
  transition:background .2s ease,box-shadow .2s ease;
}
.nav a.active .dot{background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);}
.nav a:hover .dot{background:#9fb8d4;}
.side-foot{
  margin-top:auto;padding-top:16px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;line-height:1.75;color:#8ea6c2;
}
.side-foot strong{color:#e8f0f9;font-size:13px;}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:16px;}
.crumb a{color:var(--muted);transition:color .2s ease;}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#c2ccd9;}
.crumb .now{color:var(--ink-2);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头图 / 标题面板 ============ */
.article-hero{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background-color:var(--brand-dark);
  background-image:linear-gradient(105deg,rgba(12,32,56,.95) 0%,rgba(23,59,108,.86) 55%,rgba(30,77,140,.74) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-lg);
  margin-bottom:30px;
}
.article-hero::after{
  content:"";position:absolute;right:-40px;bottom:-60px;
  width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,138,60,.28),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;padding:40px 42px 36px;color:#fff;max-width:900px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:#e8eff9;color:var(--brand);border:1px solid #d5e2f3;
}
.badge-accent{background:var(--accent-soft);color:#a8621c;border-color:rgba(224,138,60,.32);}
.badge-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28);}
.hero-inner h1{
  font-size:clamp(25px,3.6vw,37px);
  font-weight:700;letter-spacing:.4px;
  margin:16px 0 14px;color:#fff;
  line-height:1.4;
}
.hero-desc{
  color:rgba(226,236,248,.86);font-size:15.5px;line-height:1.85;
  margin:0 0 18px;max-width:70ch;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:#9fb8d4;align-items:center;}
.hero-meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:7px;vertical-align:middle;}

/* ============ 正文 + 侧栏 ============ */
.grid-article{
  display:grid;
  grid-template-columns:minmax(0,1fr) 304px;
  gap:32px;
  align-items:start;
}
.article-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow);
  padding:40px 44px;
  min-width:0;
}
.article-body{font-size:16.5px;line-height:1.88;color:#22303f;word-wrap:break-word;}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:600;color:var(--ink);
  margin:2em 0 .8em;padding-left:15px;line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;
  background:var(--accent);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--ink);margin:1.7em 0 .6em;}
.article-body h4{font-size:16.5px;font-weight:600;color:var(--brand);margin:1.4em 0 .5em;}
.article-body p{margin:0 0 1.18em;}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.35em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.4em 0;}
.article-body img{border-radius:10px;box-shadow:var(--shadow);margin:1.4em auto;}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;
  border-left:4px solid var(--brand-600);
  background:var(--paper-2);
  border-radius:0 10px 10px 0;
  color:var(--ink-2);
}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(44,111,181,.35);transition:color .2s ease,border-color .2s ease;}
.article-body a:hover{color:var(--accent);border-color:var(--accent);}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--paper-2);font-weight:600;}
.article-body code{
  background:var(--paper-2);border:1px solid var(--line);
  padding:1px 6px;border-radius:6px;font-size:14px;
}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2em 0;}

.empty-state{
  text-align:center;padding:46px 20px;
  background:var(--paper-2);border:1px dashed #cfdbe9;border-radius:14px;
}
.empty-state h2{font-size:21px;color:var(--ink);margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* 侧栏 */
.article-aside{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px 20px 16px;
}
.side-card h3{
  font-size:14.5px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand-600);}
.entry-list a{
  display:flex;align-items:center;gap:9px;
  padding:9px 11px;border-radius:9px;
  font-size:14px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.entry-list a:hover{background:var(--paper-2);color:var(--brand);transform:translateX(2px);}
.entry-list .idx{
  width:20px;height:20px;flex:none;border-radius:6px;
  background:var(--paper-2);color:var(--brand-600);
  font-size:11.5px;font-weight:700;display:grid;place-items:center;
}
.mini-item{display:flex;gap:11px;padding:10px 0;border-top:1px dashed var(--line);}
.mini-item:first-of-type{border-top:0;padding-top:0;}
.mini-item img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:none;}
.mini-item b{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);line-height:1.55;transition:color .2s ease;}
.mini-item a:hover b{color:var(--brand-600);}
.mini-item span{font-size:12px;color:var(--muted);}
.tip-box{
  background:var(--brand-dark);color:#c9d9ea;
  border-radius:var(--radius);padding:18px 20px;font-size:13.5px;line-height:1.8;
  box-shadow:var(--shadow);
}
.tip-box b{display:block;color:#fff;font-size:14px;margin-bottom:8px;}
.tip-box .bar{height:3px;border-radius:3px;background:linear-gradient(90deg,var(--accent),rgba(224,138,60,0));margin-bottom:12px;}

/* ============ 通用板块 ============ */
.section{margin-top:56px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.section-head h2{font-size:24px;font-weight:600;letter-spacing:.3px;}
.section-head p{color:var(--muted);font-size:14px;margin:6px 0 0;}
.section-head .more{font-size:14px;color:var(--brand-600);font-weight:600;transition:color .2s ease;}
.section-head .more:hover{color:var(--accent);}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr));}
.content-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#d7e3f2;}
.thumb{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.content-card:hover .thumb img{transform:scale(1.04);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:17px;font-weight:600;color:var(--ink);margin:10px 0 8px;line-height:1.5;}
.card-body h3 a:hover{color:var(--brand-600);}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 16px;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);}
.card-meta .go{color:var(--brand-600);font-weight:600;transition:transform .2s ease;}
.content-card:hover .card-meta .go{transform:translateX(3px);}

/* CTA 条 */
.cta-bar{
  margin-top:52px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:22px;
}
.cta-bar h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.cta-bar p{margin:0;font-size:14px;color:var(--muted);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:10px;
  font-size:14.5px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,77,140,.24);}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:#eaf1fa;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.btn:active{transform:translateY(0);}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:#a9bdd4;padding-top:56px;margin-top:auto;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;
  padding-bottom:34px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-mark{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:linear-gradient(150deg,var(--brand-600),var(--brand));
  color:#fff;display:grid;place-items:center;font-size:11.5px;font-weight:800;letter-spacing:.5px;
}
.footer-brand b{color:#fff;font-size:15.5px;letter-spacing:.3px;}
.site-footer p{font-size:13.5px;line-height:1.85;color:#93aac4;margin:0;}
.site-footer h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px;}
.site-footer li{margin:9px 0;font-size:14px;}
.site-footer li a{color:#a9bdd4;transition:color .2s ease,padding-left .2s ease;}
.site-footer li a:hover{color:#fff;padding-left:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.8px;color:#8ea6c2;
}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 32px;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .grid-article{grid-template-columns:minmax(0,1fr) 272px;gap:24px;}
  .article-card{padding:34px 32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .grid-article{grid-template-columns:minmax(0,1fr);}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-aside > *{flex:1 1 280px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .wrap{padding:26px 24px 62px;}
  .container{padding:0 24px;}
}
@media (max-width:768px){
  .sidebar{
    position:sticky;top:0;left:auto;bottom:auto;
    width:auto;height:auto;
    padding:12px 18px 4px;
    border-right:0;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .page{margin-left:0;}
  .nav-toggle{display:inline-flex;}
  .nav-label{display:none;}
  .nav{
    display:none;
    flex-direction:row;flex-wrap:wrap;
    gap:8px;padding:12px 0 14px;
  }
  .nav.open{display:flex;}
  .nav a{padding:8px 12px;font-size:14px;}
  .nav a.active{box-shadow:inset 0 -3px 0 var(--accent);}
  .side-foot{display:none;}
  .hero-inner{padding:30px 24px 28px;}
  .article-card{padding:26px 22px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .crumb .now{max-width:100%;white-space:normal;}
}
@media (max-width:520px){
  .wrap{padding:20px 16px 52px;}
  .container{padding:0 16px;}
  .card-grid,.card-grid.two{grid-template-columns:1fr;}
  .brand-name{font-size:14.5px;}
  .brand-sub{font-size:11.5px;}
  .article-hero{border-radius:14px;}
  .article-card{padding:22px 18px;border-radius:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}

/* roulang page: category1 */
:root{
  --brand:#1e4d8c;
  --brand-2:#2c6fb5;
  --brand-soft:#eaf1fa;
  --accent:#d1742a;
  --accent-soft:#fdf2e7;
  --ink:#12293f;
  --paper:#f3f6f9;
  --surface:#ffffff;
  --surface-2:#eef2f8;
  --line:#e2e8f0;
  --text:#182533;
  --muted:#5c6b7d;
  --faint:#8b97a6;
  --alert:#d94a3d;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 18px rgba(30,77,140,.06);
  --shadow-hover:0 8px 26px rgba(30,77,140,.12);
  --sidebar-w:252px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  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{margin:0;line-height:1.35;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

/* ---------- layout shell ---------- */
.shell{display:flex;align-items:flex-start;min-height:100vh;}
.sidebar{
  width:var(--sidebar-w);
  flex:0 0 var(--sidebar-w);
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:22px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:18px;
  z-index:40;
}
.content{flex:1 1 auto;min-width:0;}
.page{max-width:1220px;margin:0 auto;padding:26px 32px 88px;}

/* ---------- brand ---------- */
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:13px;letter-spacing:.6px;
  box-shadow:0 6px 14px rgba(30,77,140,.25);
}
.brand-name{display:block;font-size:15px;font-weight:800;color:var(--text);letter-spacing:.2px;}
.brand-sub{display:block;font-size:11.5px;color:var(--faint);line-height:1.4;}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);
  cursor:pointer;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:17px;height:2px;background:var(--brand);border-radius:2px;content:"";
  transition:.22s;
}
.nav-toggle span{top:19px;}
.nav-toggle span::before{top:-6px;left:0;transform:none;}
.nav-toggle span::after{top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

.nav-label{
  font-size:11px;letter-spacing:.22em;color:var(--faint);
  padding-left:12px;
}
.nav{display:flex;flex-direction:column;gap:4px;}
.nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;color:#3c4b5d;
  border-left:3px solid transparent;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.nav a .dot{width:6px;height:6px;border-radius:50%;background:#c6cfda;flex:0 0 6px;transition:.2s;}
.nav a:hover{background:var(--surface-2);color:var(--brand);transform:translateX(2px);}
.nav a:hover .dot{background:var(--brand-2);}
.nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:700;border-left-color:var(--accent);}
.nav a.active .dot{background:var(--accent);}
.side-foot{
  margin-top:auto;
  background:var(--surface-2);
  border-radius:12px;
  padding:13px 14px;
  font-size:12px;color:var(--muted);line-height:1.7;
}
.side-foot strong{color:var(--brand);}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:18px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#c6cfda;}
.crumb .now{color:var(--brand);font-weight:600;}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-radius:18px;border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow);
  padding:44px 44px 38px;
  margin-bottom:26px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.22;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 48%,rgba(238,242,248,.72) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;
  background:var(--accent-soft);color:#a8551a;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag.blue{background:var(--brand-soft);color:var(--brand);}
.tag .pip{width:6px;height:6px;border-radius:50%;background:var(--alert);}
.cat-hero h1{font-size:36px;font-weight:800;letter-spacing:.4px;margin-bottom:14px;}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero .lead{font-size:16px;color:#3f4f61;line-height:1.85;max-width:700px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:9px;
  font-size:14.5px;font-weight:700;cursor:pointer;
  border:1px solid transparent;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(30,77,140,.24);}
.btn-primary:hover{background:#173f75;transform:translateY(-2px);box-shadow:0 10px 24px rgba(30,77,140,.28);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(30,77,140,.35);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-2px);}
.btn-line{background:var(--surface);color:var(--brand);border-color:var(--line);box-shadow:var(--shadow);}
.btn-line:hover{border-color:var(--brand-2);color:var(--brand-2);transform:translateY(-2px);}
.btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible,a:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
}
.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;margin-top:32px;
}
.stat{
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;
  backdrop-filter:blur(2px);
}
.stat b{display:block;font-size:19px;color:var(--brand);font-weight:800;letter-spacing:.3px;}
.stat span{font-size:12.5px;color:var(--muted);}

/* ---------- section ---------- */
.section{margin-top:60px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;flex-wrap:wrap;}
.section-head h2{font-size:26px;font-weight:800;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.section-head .sub{font-size:13.5px;color:var(--muted);max-width:520px;line-height:1.7;}

/* ---------- zigzag ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;padding:22px;border:1px solid var(--line);background:var(--surface);border-radius:16px;box-shadow:var(--shadow);margin-bottom:24px;transition:box-shadow .25s,transform .25s;}
.zig:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.zig.reverse .zig-media{order:2;}
.zig-media{position:relative;border-radius:13px;overflow:hidden;border:1px solid var(--line);}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s;}
.zig:hover .zig-media img{transform:scale(1.03);}
.zig-index{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(18,41,63,.82);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.1em;
  padding:5px 10px;border-radius:7px;
}
.zig-body h3{font-size:20px;font-weight:700;margin-bottom:12px;}
.zig-body p{font-size:15px;color:#42536a;line-height:1.85;}
.points{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.points li{position:relative;padding-left:22px;font-size:14px;color:#3f4f61;line-height:1.7;}
.points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--accent);transform:rotate(45deg);
}
.zig-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:700;color:var(--brand);}
.zig-link:hover{color:var(--accent);gap:10px;}

/* ---------- steps ---------- */
.steps{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow);overflow:hidden;}
.step{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:22px 26px;border-bottom:1px solid var(--line);transition:background .2s;}
.step:last-child{border-bottom:none;}
.step:hover{background:var(--brand-soft);}
.step-no{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface-2);color:var(--brand);font-weight:800;font-size:16px;
  border:1px solid var(--line);
}
.step:hover .step-no{background:var(--brand);color:#fff;border-color:var(--brand);}
.step h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.step p{font-size:14.5px;color:#42536a;line-height:1.8;}
.step-meta{margin-top:8px;font-size:12.5px;color:var(--faint);}

/* ---------- dark panel ---------- */
.dark-panel{
  border-radius:18px;
  background:linear-gradient(135deg,#12293f 0%,#1e4d8c 100%);
  color:#e8eef6;
  padding:38px 40px;
  box-shadow:0 14px 34px rgba(18,41,63,.24);
}
.dark-panel h2{color:#fff;font-size:24px;font-weight:800;margin-bottom:10px;}
.dark-panel .dp-sub{color:#b9cade;font-size:14px;max-width:660px;line-height:1.8;}
.dp-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px;}
.dp-item{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:15px 16px;
  transition:background .2s,transform .2s;
}
.dp-item:hover{background:rgba(255,255,255,.13);transform:translateY(-2px);}
.dp-item .rdot{
  width:9px;height:9px;border-radius:50%;background:var(--alert);flex:0 0 9px;margin-top:7px;
  box-shadow:0 0 0 4px rgba(217,74,61,.22);
}
.dp-item b{display:block;color:#fff;font-size:15px;font-weight:700;margin-bottom:3px;}
.dp-item span{font-size:13.5px;color:#b9cade;line-height:1.7;}

/* ---------- scenario cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 20px 22px;box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#cfdcea;}
.scene-ico{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:15px;margin-bottom:14px;
}
.scene-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.scene-card p{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- faq ---------- */
.faq-wrap{border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;cursor:pointer;text-align:left;
  padding:19px 24px;font-size:15.5px;font-weight:700;color:var(--text);
  transition:background .2s,color .2s;
}
.faq-q:hover{background:var(--surface-2);color:var(--brand);}
.faq-q i{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;font-style:normal;font-size:16px;font-weight:700;
  background:var(--brand-soft);color:var(--brand);transition:.25s;
}
.faq-item.open .faq-q{background:var(--brand-soft);color:var(--brand);}
.faq-item.open .faq-q i{background:var(--brand);color:#fff;transform:rotate(45deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;background:var(--surface-2);}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{padding:0 24px 0 24px;font-size:14.5px;color:#42536a;line-height:1.85;}
.faq-item.open .faq-a p{padding-bottom:20px;padding-top:16px;}

/* ---------- related cat ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.rel-card{
  display:flex;gap:16px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s,border-color .22s;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#cfdcea;}
.rel-card img{width:104px;height:78px;border-radius:10px;object-fit:cover;flex:0 0 104px;}
.rel-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.rel-card p{font-size:13px;color:var(--muted);line-height:1.7;}
.rel-card .go{font-size:12.5px;font-weight:700;color:var(--accent);margin-top:8px;display:inline-block;}

/* ---------- cta bar ---------- */
.cta-bar{
  margin-top:60px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(100deg,#eef3fa 0%,#fdf2e7 100%);
  border:1px solid var(--line);border-radius:18px;padding:30px 34px;
}
.cta-bar h2{font-size:22px;font-weight:800;margin-bottom:8px;}
.cta-bar p{font-size:14.5px;color:#42536a;max-width:620px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:70px;
  background:#12293f;
  color:#b9cade;
  padding:54px 0 22px;
}
.site-footer .container{max-width:1220px;margin:0 auto;padding:0 32px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-2),#4a90d9);color:#fff;font-weight:800;font-size:12px;
}
.footer-brand b{color:#fff;font-size:15.5px;}
.site-footer p{font-size:13.5px;line-height:1.85;}
.site-footer h3{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px;}
.site-footer ul{display:flex;flex-direction:column;gap:9px;}
.site-footer ul a{font-size:13.5px;color:#b9cade;transition:color .2s,padding-left .2s;}
.site-footer ul a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:#8ea3bb;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .shell{display:block;}
  .sidebar{
    width:100%;flex:none;height:auto;position:sticky;top:0;
    padding:12px 18px;gap:0;border-right:none;border-bottom:1px solid var(--line);
    box-shadow:0 4px 14px rgba(18,41,63,.06);
  }
  .nav-toggle{display:block;}
  .nav-label{display:none;}
  .nav{
    display:none;flex-direction:column;gap:2px;margin-top:12px;
    padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);
  }
  .nav.open{display:flex;}
  .nav a{border-left:none;border-radius:8px;font-size:15px;padding:12px 14px;}
  .nav a.active{border-left:none;box-shadow:inset 3px 0 0 var(--accent);}
  .side-foot{display:none;}
  .page{padding:22px 22px 70px;}
  .scope-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dp-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .cat-hero{padding:30px 24px 28px;}
  .cat-hero h1{font-size:27px;}
  .cat-hero .lead{font-size:15px;}
  .hero-stats{grid-template-columns:1fr;}
  .zig{grid-template-columns:1fr;gap:20px;padding:18px;}
  .zig.reverse .zig-media{order:0;}
  .section{margin-top:46px;}
  .section-head h2{font-size:22px;}
  .dark-panel{padding:28px 22px;}
  .dark-panel h2{font-size:20px;}
  .step{grid-template-columns:1fr;gap:12px;padding:18px 20px;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-bar{padding:24px 20px;}
  .site-footer .container{padding:0 20px;}
}
@media (max-width:520px){
  .page{padding:18px 16px 60px;}
  .cat-hero h1{font-size:23px;}
  .scene-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .rel-card{flex-direction:column;align-items:flex-start;}
  .rel-card img{width:100%;height:150px;flex:none;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:16px 18px;font-size:14.5px;}
  .faq-a p{padding-left:18px;padding-right:18px;}
}

/* roulang page: category3 */
:root{
    --brand:#1e4d8c;
    --brand-deep:#17406f;
    --brand-2:#2c6fb5;
    --accent:#d97a2b;
    --accent-soft:#fdf1e5;
    --accent-ink:#a2561a;
    --bg:#f5f7fa;
    --surface:#ffffff;
    --surface-2:#eef2f8;
    --text:#16222f;
    --text-2:#5a6b7d;
    --line:#e6ebf2;
    --radius:16px;
    --radius-sm:10px;
    --shadow:0 6px 18px rgba(30,77,140,.06);
    --shadow-lg:0 8px 26px rgba(30,77,140,.12);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;border:0;background:none;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p,figure{margin:0;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

  /* ---------- 左侧导航 ---------- */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:256px;
    background:var(--surface);border-right:1px solid var(--line);
    padding:22px 18px;display:flex;flex-direction:column;z-index:60;
  }
  .brand-row{display:flex;align-items:center;justify-content:space-between;gap:10px;}
  .brand{display:flex;align-items:center;gap:11px;}
  .brand-mark{
    width:44px;height:44px;border-radius:13px;flex:0 0 44px;
    background:linear-gradient(150deg,#1e4d8c,#2c6fb5);
    color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.5px;
    box-shadow:0 6px 14px rgba(30,77,140,.24);
  }
  .brand-name{display:block;font-size:16px;font-weight:700;line-height:1.3;}
  .brand-sub{display:block;font-size:12px;color:var(--text-2);line-height:1.5;}
  .nav-label{
    margin:26px 0 10px;font-size:11px;letter-spacing:.22em;color:#93a2b3;font-weight:600;
  }
  .nav{display:flex;flex-direction:column;gap:4px;}
  .nav a{
    display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
    color:#3d4d5e;font-size:15px;border-left:3px solid transparent;transition:all .2s ease;
  }
  .nav a .dot{width:6px;height:6px;border-radius:50%;background:#c3cfdd;flex:0 0 6px;transition:.2s;}
  .nav a:hover{background:var(--surface-2);color:var(--brand);}
  .nav a:hover .dot{background:var(--brand-2);}
  .nav a.active{background:#eaf1fb;color:var(--brand);border-left-color:var(--accent);font-weight:600;}
  .nav a.active .dot{background:var(--accent);}
  .side-foot{
    margin-top:auto;border-top:1px dashed var(--line);padding-top:14px;
    font-size:12.5px;line-height:1.75;color:var(--text-2);
  }
  .side-foot strong{color:var(--brand);}
  .nav-toggle{
    display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
    background:var(--surface);position:relative;
  }
  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after{
    position:absolute;left:50%;transform:translateX(-50%);
    width:18px;height:2px;background:var(--brand);border-radius:2px;content:"";
  }
  .nav-toggle span{top:19px;}
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  /* ---------- 内容骨架 ---------- */
  .content-col{margin-left:256px;display:flex;flex-direction:column;min-height:100vh;}
  .container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}
  .section{padding:56px 0;}
  .section-tight{padding:40px 0;}
  .sec-head{margin-bottom:26px;max-width:760px;}
  .sec-tag{
    display:inline-block;padding:4px 12px;border-radius:999px;background:var(--accent-soft);
    color:var(--accent-ink);font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:12px;
  }
  .sec-head h2{font-size:26px;font-weight:700;line-height:1.4;letter-spacing:.2px;}
  .sec-head p{margin-top:10px;color:var(--text-2);font-size:15.5px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
    border:1px solid transparent;transition:all .2s ease;white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(30,77,140,.22);}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(30,77,140,.26);}
  .btn-outline{border-color:#c6d7ee;color:var(--brand);background:#fff;}
  .btn-outline:hover{background:#eef4fc;border-color:var(--brand-2);transform:translateY(-2px);}
  .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;}

  /* ---------- 分类页头图 ---------- */
  .page-banner{
    position:relative;color:#fff;
    background-image:linear-gradient(115deg,rgba(15,36,64,.92),rgba(30,77,140,.74)),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    padding:46px 0 50px;overflow:hidden;
  }
  .page-banner::after{
    content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(217,122,43,.32),transparent 68%);
  }
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:#b9cbe4;margin-bottom:18px;position:relative;z-index:1;}
  .crumbs a{color:#cfdcee;transition:.2s;}
  .crumbs a:hover{color:#fff;}
  .crumbs .sep{color:#6f88a8;}
  .page-banner h1{
    font-size:36px;font-weight:700;line-height:1.35;letter-spacing:.3px;
    max-width:840px;position:relative;z-index:1;
  }
  .banner-lead{
    margin-top:16px;max-width:760px;font-size:16px;line-height:1.9;color:#d5e1f1;
    position:relative;z-index:1;
  }
  .banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:1;}
  .stat-row{
    display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;
    position:relative;z-index:1;
  }
  .stat-cell{
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
    border-radius:14px;padding:16px 18px;backdrop-filter:blur(2px);
  }
  .stat-cell b{display:block;font-size:22px;font-weight:700;letter-spacing:.4px;line-height:1.3;}
  .stat-cell span{display:block;margin-top:4px;font-size:13px;color:#c9d8ec;}

  /* ---------- 通用卡片 ---------- */
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);transition:all .22s ease;
  }
  .card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
  .badge{
    display:inline-block;padding:4px 12px;border-radius:999px;background:var(--accent-soft);
    color:var(--accent-ink);font-size:12px;font-weight:600;
  }
  .badge-blue{background:#e8f1fc;color:#1f5a9c;}

  /* ---------- 引言说明块 ---------- */
  .intro-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start;}
  .intro-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow);}
  .intro-card p{color:#3f4f61;font-size:16px;line-height:1.95;margin-bottom:14px;}
  .intro-card p:last-child{margin-bottom:0;}
  .intro-card strong{color:var(--brand);}
  .aside-note{
    background:linear-gradient(160deg,#16283f,#1e4d8c);color:#e3ecf8;
    border-radius:var(--radius);padding:26px 26px;box-shadow:0 10px 26px rgba(22,40,63,.24);
  }
  .aside-note h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:14px;}
  .aside-note ul li{
    position:relative;padding-left:18px;font-size:14.5px;line-height:1.85;color:#c8d8ec;margin-bottom:10px;
  }
  .aside-note ul li:last-child{margin-bottom:0;}
  .aside-note ul li::before{
    content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--accent);
  }

  /* ---------- 时间线 ---------- */
  .timeline{margin-top:8px;}
  .timeline li{
    position:relative;display:grid;grid-template-columns:58px 1fr;gap:22px;padding-bottom:30px;
  }
  .timeline li::before{
    content:"";position:absolute;left:28px;top:60px;bottom:6px;width:2px;
    background:linear-gradient(#dbe5f2,#f0f4fa);
  }
  .timeline li:last-child{padding-bottom:0;}
  .timeline li:last-child::before{display:none;}
  .tl-num{
    width:58px;height:58px;border-radius:50%;background:#fff;border:2px solid #d7e3f3;
    display:grid;place-items:center;font-weight:700;font-size:17px;color:var(--brand);
    position:relative;z-index:1;box-shadow:0 4px 12px rgba(30,77,140,.08);
  }
  .timeline li:first-child .tl-num{background:var(--brand);border-color:var(--brand);color:#fff;}
  .tl-body{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:20px 24px;box-shadow:var(--shadow);
  }
  .tl-body h3{font-size:18px;font-weight:600;margin-bottom:8px;}
  .tl-body p{font-size:15px;color:var(--text-2);line-height:1.9;}
  .tl-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;}

  /* ---------- 宽条目 ---------- */
  .wide-list{display:flex;flex-direction:column;gap:22px;}
  .wide-item{
    display:grid;grid-template-columns:290px 1fr;gap:26px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:20px;box-shadow:var(--shadow);transition:all .22s ease;
  }
  .wide-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
  .wide-thumb{
    border-radius:12px;overflow:hidden;background:var(--surface-2);aspect-ratio:4/3;
  }
  .wide-thumb img{width:100%;height:100%;object-fit:cover;}
  .wide-body h3{font-size:19px;font-weight:600;margin:10px 0 10px;}
  .wide-body > p{font-size:15px;color:var(--text-2);line-height:1.9;}
  .ticks{margin-top:14px;display:grid;gap:8px;}
  .ticks li{position:relative;padding-left:20px;font-size:14.5px;color:#435466;line-height:1.8;}
  .ticks li::before{
    content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:50%;
    border:2px solid var(--accent);background:transparent;
  }
  .wide-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:16px;}
  .link-more{color:var(--brand);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;transition:.2s;}
  .link-more:hover{color:var(--accent-ink);gap:10px;}

  /* ---------- 深色状态面板 ---------- */
  .dark-panel{
    background:linear-gradient(140deg,#152a44,#1e4d8c);color:#dbe6f4;
    border-radius:20px;padding:36px 38px;box-shadow:0 14px 34px rgba(20,42,68,.28);
  }
  .dark-panel h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:10px;}
  .dark-panel > p{color:#b9cbe2;font-size:15px;max-width:760px;}
  .check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px;}
  .check-cell{
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
    border-radius:14px;padding:20px;
  }
  .check-cell .flag{
    display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;
    color:#ffd7ae;letter-spacing:.06em;
  }
  .check-cell .flag i{width:8px;height:8px;border-radius:50%;background:#ff8a3d;display:inline-block;}
  .check-cell h3{font-size:16.5px;font-weight:600;color:#fff;margin:10px 0 8px;}
  .check-cell p{font-size:14px;line-height:1.85;color:#bccdE4;}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;
    transition:.2s;
  }
  .faq-item[open]{border-color:#cfdcee;box-shadow:var(--shadow);}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:17px 22px;display:flex;align-items:center;justify-content:space-between;
    gap:18px;font-size:16px;font-weight:600;color:var(--text);transition:.2s;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{background:#f8fbff;color:var(--brand);}
  .faq-item summary::after{
    content:"+";font-size:20px;line-height:1;color:var(--brand);font-weight:600;flex:0 0 auto;transition:.2s;
  }
  .faq-item[open] summary{background:#f4f9ff;color:var(--brand);}
  .faq-item[open] summary::after{content:"−";color:var(--accent);}
  .faq-body{padding:2px 22px 20px;background:#f4f9ff;color:#48596b;font-size:15px;line-height:1.9;}

  /* ---------- 相关分类 ---------- */
  .rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
  .rel-card{
    display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:24px 26px;box-shadow:var(--shadow);transition:all .22s ease;
  }
  .rel-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#c9dcf3;}
  .rel-card h3{font-size:18px;font-weight:600;margin:12px 0 8px;}
  .rel-card p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
  .rel-card .link-more{margin-top:14px;}

  /* ---------- CTA 条 ---------- */
  .cta-band{
    background:#eef4fc;border:1px solid #dbe6f5;border-radius:18px;padding:28px 32px;
    display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  }
  .cta-band h2{font-size:21px;font-weight:700;}
  .cta-band p{margin-top:6px;color:var(--text-2);font-size:14.5px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#132439;color:#c6d3e2;padding:56px 0 0;margin-top:auto;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:36px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:#fff;font-size:17px;font-weight:700;}
  .footer-mark{
    width:34px;height:34px;border-radius:10px;background:linear-gradient(150deg,#2c6fb5,#1e4d8c);
    display:grid;place-items:center;font-size:11px;font-weight:700;color:#fff;letter-spacing:.5px;
  }
  .site-footer p{font-size:14px;line-height:1.85;color:#a6b8cd;}
  .site-footer h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
  .site-footer ul li a{
    display:inline-block;padding:4px 0;font-size:14px;color:#a6b8cd;transition:.2s;
  }
  .site-footer ul li a:hover{color:#fff;transform:translateX(2px);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:#8ea2b8;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .intro-grid{grid-template-columns:1fr;}
    .check-grid{grid-template-columns:1fr;}
    .stat-row{grid-template-columns:1fr 1fr;}
    .page-banner h1{font-size:31px;}
    .wide-item{grid-template-columns:240px 1fr;gap:20px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  }
  @media (max-width:768px){
    .sidebar{
      position:sticky;top:0;left:auto;right:auto;bottom:auto;width:100%;height:auto;
      padding:14px 18px;flex-direction:column;border-right:0;border-bottom:1px solid var(--line);
      box-shadow:0 4px 14px rgba(30,77,140,.08);
    }
    .nav-toggle{display:block;}
    .nav-label{display:none;}
    .nav{display:none;margin-top:12px;}
    .sidebar.open .nav{display:flex;}
    .nav a{border-left:0;border-radius:10px;background:#f7f9fc;}
    .nav a.active{border-left:0;box-shadow:inset 3px 0 0 var(--accent);}
    .side-foot{display:none;}
    .content-col{margin-left:0;}
    .container{padding:0 20px;}
    .section{padding:40px 0;}
    .page-banner{padding:34px 0 38px;}
    .page-banner h1{font-size:26px;}
    .banner-lead{font-size:15px;}
    .stat-row{grid-template-columns:1fr;gap:10px;}
    .wide-item{grid-template-columns:1fr;}
    .rel-grid{grid-template-columns:1fr;}
    .dark-panel{padding:28px 22px;}
    .cta-band{padding:22px;}
    .sec-head h2{font-size:22px;}
  }
  @media (max-width:520px){
    body{font-size:15px;}
    .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;}
    .brand-name{font-size:15px;}
    .page-banner h1{font-size:23px;line-height:1.45;}
    .timeline li{grid-template-columns:44px 1fr;gap:14px;}
    .tl-num{width:44px;height:44px;font-size:15px;}
    .timeline li::before{left:21px;top:48px;}
    .tl-body{padding:16px 18px;}
    .intro-card{padding:22px;}
    .footer-grid{grid-template-columns:1fr;}
    .cta-actions .btn{width:100%;}
  }

/* roulang page: category2 */
:root{
    --brand:#1e4d8c;
    --brand-2:#2c6fb5;
    --brand-deep:#123258;
    --brand-soft:#e8f0fa;
    --accent:#c9743a;
    --accent-soft:#fbeee3;
    --teal:#2f7d6e;
    --bg:#f5f7fa;
    --bg-alt:#eef2f8;
    --card:#ffffff;
    --ink:#12243a;
    --ink-2:#40566f;
    --ink-3:#7b8ca0;
    --line:#e6ebf2;
    --danger:#c4402f;
    --r-sm:8px;
    --r-md:12px;
    --r-lg:16px;
    --sh-1:0 6px 18px rgba(30,77,140,.06);
    --sh-2:0 8px 26px rgba(30,77,140,.12);
    --maxw:1240px;
  }
  *,*::before,*::after{box-sizing:border-box}
  body.site-body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{list-style:none;padding:0}
  img{max-width:100%;display:block}
  a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

  .layout{display:flex;align-items:flex-start;min-height:100vh}
  .page{flex:1;min-width:0;display:flex;flex-direction:column}
  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

  /* ============ 左侧导航 ============ */
  .sidebar{
    width:264px;flex:0 0 264px;position:sticky;top:0;height:100vh;overflow-y:auto;
    background:var(--card);border-right:1px solid var(--line);
    padding:24px 18px 20px;display:flex;flex-direction:column;gap:16px;z-index:50;
  }
  .brand-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .brand{display:flex;align-items:center;gap:11px}
  .brand-mark{
    width:42px;height:42px;flex:0 0 42px;border-radius:12px;
    background:linear-gradient(150deg,var(--brand-2),var(--brand-deep));
    color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.5px;
    box-shadow:0 6px 14px rgba(30,77,140,.22);
  }
  .brand-name{display:block;font-size:15px;font-weight:700;color:var(--ink);line-height:1.35}
  .brand-sub{display:block;font-size:12px;color:var(--ink-3);line-height:1.4}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
    background:var(--bg-alt);align-items:center;justify-content:center;
  }
  .nav-toggle span{position:relative;width:18px;height:2px;background:var(--brand);display:block;border-radius:2px}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;
  }
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .nav-label{font-size:11px;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase;padding-left:12px}
  .nav{display:flex;flex-direction:column;gap:4px}
  .nav a{
    display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
    color:var(--ink-2);font-size:14.5px;font-weight:500;border-left:3px solid transparent;
  }
  .nav a .dot{
    width:7px;height:7px;border-radius:50%;background:#cdd8e6;flex:0 0 7px;transition:background-color .18s ease;
  }
  .nav a:hover{background:var(--bg-alt);color:var(--brand);border-left-color:#b9cbe4}
  .nav a:hover .dot{background:var(--brand-2)}
  .nav a.active{
    background:var(--brand-soft);color:var(--brand);font-weight:700;border-left-color:var(--brand-2);
  }
  .nav a.active .dot{background:var(--danger);box-shadow:0 0 0 3px rgba(196,64,47,.16)}
  .side-foot{
    margin-top:auto;font-size:12.5px;line-height:1.7;color:var(--ink-3);
    background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-md);padding:14px;
  }
  .side-foot strong{color:var(--brand);font-size:13px}

  /* ============ 通用板块 ============ */
  main{flex:1}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:24px 0 18px;flex-wrap:wrap}
  .crumb a{color:var(--ink-3)}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{color:#c3cfdd}
  .crumb .cur{color:var(--brand);font-weight:600}

  .section{padding:56px 0 0}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;flex-wrap:wrap}
  .section-head h2{font-size:26px;font-weight:700;color:var(--ink);letter-spacing:.2px}
  .section-head p{font-size:14px;color:var(--ink-3);max-width:640px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
    color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 12px;margin-bottom:12px;
  }
  .eyebrow .live{width:7px;height:7px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 3px rgba(196,64,47,.16)}
  .eyebrow.warm{color:#9c5a28;background:var(--accent-soft)}

  /* ============ Hero ============ */
  .hero{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    padding:52px 44px 40px;color:#fff;
    background-image:url("/assets/images/backpic/back-2.png");
    background-size:cover;background-position:center;
    box-shadow:var(--sh-2);
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(102deg,rgba(18,50,88,.94) 0%,rgba(30,77,140,.86) 52%,rgba(30,77,140,.58) 100%);
  }
  .hero > *{position:relative;z-index:1}
  .hero .tagline{
    display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:600;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
    border-radius:999px;padding:6px 14px;margin-bottom:20px;
  }
  .hero .tagline i{width:7px;height:7px;border-radius:50%;background:#ff6b52;box-shadow:0 0 0 3px rgba(255,107,82,.25);display:block}
  .hero h1{font-size:38px;line-height:1.3;font-weight:800;letter-spacing:.5px;max-width:760px}
  .hero .lead{margin-top:16px;font-size:16px;line-height:1.85;color:#d7e3f1;max-width:720px}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
  .hero-stats{
    display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:34px;
    border-top:1px solid rgba(255,255,255,.2);padding-top:20px;
  }
  .hero-stats div span{display:block;font-size:12px;color:#a9c0d8;letter-spacing:.06em}
  .hero-stats div b{display:block;font-size:16px;color:#fff;font-weight:700;margin-top:4px}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:10px;font-size:14.5px;font-weight:600;
    transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
    border:1px solid transparent;white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(18,50,88,.26)}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(18,50,88,.3)}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
  .btn-outline{background:#fff;color:var(--brand);border-color:#c6d6e8}
  .btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-2);transform:translateY(-2px)}
  .btn-accent{background:var(--accent);color:#fff}
  .btn-accent:hover{background:#b0632f;transform:translateY(-2px)}
  .btn-sm{padding:9px 16px;font-size:13.5px;border-radius:8px}
  .btn:active{transform:translateY(0)}

  /* ============ 卡片 ============ */
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    display:flex;flex-direction:column;overflow:hidden;height:100%;
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d6e2f0}
  .card-media{position:relative;background:var(--bg-alt);aspect-ratio:4/3;overflow:hidden}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .card:hover .card-media img{transform:scale(1.04)}
  .card-badge{
    position:absolute;left:12px;top:12px;font-size:12px;font-weight:700;
    background:rgba(18,50,88,.88);color:#fff;border-radius:999px;padding:4px 11px;letter-spacing:.02em;
  }
  .card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
  .card-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
  .card-body p{font-size:14px;color:var(--ink-2);line-height:1.75}
  .card-list{display:flex;flex-direction:column;gap:7px;margin-top:2px}
  .card-list li{
    position:relative;padding-left:18px;font-size:13.5px;color:var(--ink-2);line-height:1.7;
  }
  .card-list li::before{
    content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
    background:var(--accent);opacity:.85;
  }
  .card-foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;gap:12px}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--brand);
  }
  .link-arrow::after{content:"→";transition:transform .18s ease}
  .link-arrow:hover{color:var(--brand-deep)}
  .link-arrow:hover::after{transform:translateX(3px)}

  /* ============ 分类说明 ============ */
  .intro{
    display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:32px 34px;box-shadow:var(--sh-1);margin-top:28px;
  }
  .intro h2{font-size:22px;font-weight:700;margin-bottom:14px}
  .intro p{font-size:15.5px;color:var(--ink-2);line-height:1.9}
  .intro p + p{margin-top:14px}
  .intro-side{background:var(--bg-alt);border-radius:var(--r-md);padding:20px;border:1px solid var(--line)}
  .intro-side h3{font-size:14px;font-weight:700;color:var(--brand);margin-bottom:12px;letter-spacing:.04em}
  .intro-side dl{display:flex;flex-direction:column;gap:12px}
  .intro-side dt{font-size:12.5px;color:var(--ink-3)}
  .intro-side dd{font-size:15px;font-weight:700;color:var(--ink);margin:0}

  /* ============ 主体分栏 ============ */
  .split{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:28px;align-items:start}
  .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}

  .side-notes{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px}
  .note-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:22px 20px;box-shadow:var(--sh-1);
  }
  .note-card h3{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
  .note-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent)}
  .note-list{display:flex;flex-direction:column;gap:12px}
  .note-list li{display:flex;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
  .note-list li b{
    flex:0 0 22px;height:22px;border-radius:7px;background:var(--brand-soft);color:var(--brand);
    font-size:12px;display:grid;place-items:center;font-weight:700;
  }
  .note-card.dark{background:var(--brand-deep);border-color:#1b3f6b;color:#cfdcea}
  .note-card.dark h3{color:#fff}
  .note-card.dark p{font-size:13.5px;line-height:1.8;color:#b7cbe0}
  .note-card.dark .btn{margin-top:16px;width:100%}

  /* ============ 步骤 ============ */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
  .step{
    position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px 22px 22px;box-shadow:var(--sh-1);
  }
  .step::before{
    counter-increment:step;content:"0" counter(step);
    position:absolute;top:-14px;left:20px;font-size:13px;font-weight:800;letter-spacing:.08em;
    background:var(--brand);color:#fff;border-radius:8px;padding:4px 10px;
    box-shadow:0 6px 14px rgba(30,77,140,.24);
  }
  .step h3{font-size:16px;font-weight:700;margin:10px 0 8px}
  .step p{font-size:13.5px;color:var(--ink-2);line-height:1.75}
  .steps-line{height:2px;background:linear-gradient(90deg,var(--brand-2),var(--accent),transparent);border-radius:2px;margin:0 0 30px}

  /* ============ 深色状态面板 ============ */
  .panel-dark{
    background:var(--brand-deep);border-radius:var(--r-lg);padding:36px 38px;color:#d9e5f2;
    position:relative;overflow:hidden;box-shadow:var(--sh-2);
  }
  .panel-dark::after{
    content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
    background:radial-gradient(circle,rgba(44,111,181,.45),transparent 70%);
  }
  .panel-dark > *{position:relative;z-index:1}
  .panel-dark h2{color:#fff;font-size:24px;font-weight:700;margin-bottom:12px}
  .panel-dark > p{font-size:14.5px;line-height:1.85;color:#b9cbdf;max-width:760px}
  .status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:26px}
  .status-item{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
    border-radius:var(--r-md);padding:16px 18px;
  }
  .status-item span{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#9db4cc}
  .status-item span i{width:7px;height:7px;border-radius:50%;background:#4fd1a5;display:block;box-shadow:0 0 0 3px rgba(79,209,165,.2)}
  .status-item span i.warn{background:#f0a33c;box-shadow:0 0 0 3px rgba(240,163,60,.2)}
  .status-item span i.hot{background:#ff6b52;box-shadow:0 0 0 3px rgba(255,107,82,.2)}
  .status-item b{display:block;margin-top:8px;font-size:15.5px;color:#fff;font-weight:700}

  /* ============ FAQ ============ */
  .faq{display:flex;flex-direction:column;gap:14px}
  .faq details{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--sh-1);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .faq details[open]{border-color:#cfdeee;box-shadow:var(--sh-2)}
  .faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{
    content:"+";flex:0 0 26px;height:26px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
    display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
  }
  .faq details[open] summary::after{content:"−";background:var(--accent-soft);color:var(--accent)}
  .faq summary:hover{color:var(--brand)}
  .faq .answer{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85;background:var(--bg-alt)}

  /* ============ 相关分类 ============ */
  .rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .rel-card{
    display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:22px 22px 20px;box-shadow:var(--sh-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d6e2f0}
  .rel-card .num{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--accent)}
  .rel-card h3{font-size:17px;font-weight:700;color:var(--ink);margin:10px 0 8px}
  .rel-card p{font-size:13.5px;color:var(--ink-2);line-height:1.75}
  .rel-card .cur-tag{
    display:inline-block;margin-top:12px;font-size:12px;font-weight:700;color:var(--teal);
    background:rgba(47,125,110,.1);border-radius:999px;padding:4px 11px;
  }
  .rel-card .go{display:inline-block;margin-top:12px;font-size:13px;font-weight:600;color:var(--brand)}
  .rel-card:hover .go{color:var(--brand-deep)}

  /* ============ CTA 条 ============ */
  .strip{
    display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
    background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px 30px;
  }
  .strip h2{font-size:19px;font-weight:700;color:var(--ink)}
  .strip p{font-size:13.5px;color:var(--ink-3);margin-top:6px}
  .strip-actions{display:flex;gap:12px;flex-wrap:wrap}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-deep);color:#c3d2e3;margin-top:72px;padding:56px 0 26px;font-size:14px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
  .footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
  .footer-mark{
    width:40px;height:40px;border-radius:11px;background:var(--brand-2);color:#fff;
    display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.5px;
  }
  .footer-brand b{color:#fff;font-size:16px;font-weight:700}
  .site-footer p{font-size:13.5px;line-height:1.85;color:#a9bdd4}
  .site-footer h3{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:.04em}
  .site-footer ul{display:flex;flex-direction:column;gap:10px}
  .site-footer ul li a{color:#b8cbe0;font-size:13.5px}
  .site-footer ul li a:hover{color:#fff}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;
    display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:12.5px;color:#8ba2bc;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1180px){
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  }
  @media (max-width:1023px){
    .layout{display:block}
    .sidebar{
      position:sticky;top:0;width:auto;flex:none;height:auto;overflow:visible;
      border-right:0;border-bottom:1px solid var(--line);padding:12px 18px 14px;gap:12px;
      box-shadow:0 4px 14px rgba(30,77,140,.06);
    }
    .nav-toggle{display:inline-flex}
    .nav-label{display:none}
    .nav{display:none;padding-top:6px;border-top:1px solid var(--line);margin-top:2px}
    .sidebar.nav-open .nav{display:flex}
    .side-foot{display:none}
    .split{grid-template-columns:minmax(0,1fr)}
    .side-notes{position:static}
    .intro{grid-template-columns:minmax(0,1fr);padding:26px}
    .hero{padding:40px 26px 32px}
    .hero h1{font-size:30px}
    .panel-dark{padding:28px 24px}
    .status-grid{grid-template-columns:1fr}
  }
  @media (max-width:768px){
    .container{padding:0 20px}
    .grid-3{grid-template-columns:minmax(0,1fr)}
    .hero-stats{grid-template-columns:minmax(0,1fr);gap:12px}
    .hero h1{font-size:26px}
    .section{padding:44px 0 0}
    .section-head h2{font-size:22px}
    .rel-grid{grid-template-columns:minmax(0,1fr)}
    .footer-grid{grid-template-columns:1fr}
    .strip{padding:22px}
    .site-footer{margin-top:52px;padding:44px 0 22px}
  }
  @media (max-width:520px){
    .steps{grid-template-columns:minmax(0,1fr)}
    .hero{padding:32px 20px 26px}
    .hero-actions .btn{width:100%}
    .intro{padding:22px 18px}
    .crumb{font-size:12.5px}
  }