/* roulang page: index */
:root{
  --ink-900:#0B2A24;
  --ink-800:#0F3D34;
  --ink-600:#1D6B58;
  --amber-500:#D9822B;
  --amber-100:#FBEBD7;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#1F2B27;
  --text-2:#5C6B66;
  --ok:#3E9C6B;
  --warn:#C99A2E;
  --err:#C0453C;
  --red:#D6452F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(11,42,36,.06);
  --shadow-2:0 10px 26px rgba(11,42,36,.10);
  --side-w:236px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.lock{overflow:hidden;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--ink-600);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--ink-800);}
img{display:block;max-width:100%;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--amber-500);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 48px;}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-w);
  background:var(--ink-900);color:#E8EFEC;display:flex;flex-direction:column;
  z-index:60;
}
.side-logo{
  display:flex;align-items:center;gap:10px;
  padding:22px 20px;border-bottom:1px solid rgba(255,255,255,.12);
}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:8px;
  background:linear-gradient(140deg,var(--ink-600),var(--ink-800));
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.5px;
  border:1px solid rgba(255,255,255,.18);
}
.logo-text{
  font-size:13px;font-weight:700;color:#fff;line-height:1.35;
  white-space:nowrap;letter-spacing:.2px;
}
.side-nav{padding:14px 0;flex:1;}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 20px;font-size:14px;color:#B9CBC5;
  border-left:3px solid transparent;transition:all var(--ease);
}
.side-nav a:hover{background:rgba(255,255,255,.06);border-left-color:var(--amber-500);color:#fff;}
.side-nav a.active{background:rgba(255,255,255,.09);border-left-color:var(--amber-500);color:#fff;font-weight:600;}
.side-nav .dot{width:5px;height:5px;border-radius:50%;background:var(--amber-500);flex:0 0 5px;opacity:.85;}
.side-foot{padding:18px 20px 24px;border-top:1px solid rgba(255,255,255,.12);}
.side-foot p{font-size:13px;line-height:1.6;color:#93A9A2;margin-bottom:14px;}
.btn-side{
  display:block;text-align:center;background:var(--amber-500);color:#2A1606;
  font-size:14px;font-weight:700;padding:11px 12px;border-radius:var(--r-btn);
  transition:background var(--ease),transform var(--ease);
}
.btn-side:hover{background:#C4731F;color:#2A1606;}
.btn-side:active{transform:translateY(1px);}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:var(--ink-900);border-bottom:1px solid rgba(255,255,255,.12);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.mobile-bar .logo-text{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw;}
.burger{
  width:44px;height:44px;border:0;background:transparent;display:flex;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px;
}
.burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:background var(--ease);}
.burger:hover span{background:var(--amber-500);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,36,.55);opacity:0;visibility:hidden;
  transition:opacity var(--ease);z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:var(--ink-900);
  transform:translateX(100%);transition:transform 220ms ease;z-index:90;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border:1px solid rgba(255,255,255,.2);background:transparent;
  color:#fff;font-size:20px;line-height:1;border-radius:8px;
}
.drawer-close:hover{border-color:var(--amber-500);color:var(--amber-500);}
.drawer nav{flex:1;}
.drawer nav a{
  display:flex;align-items:center;height:48px;font-size:16px;color:#D3E0DB;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer nav a.active{color:var(--amber-500);font-weight:600;}
.drawer .btn-side{margin-top:18px;}

/* ---------- 主区域 ---------- */
.main-wrap{margin-left:var(--side-w);}
section{padding:76px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.sec-head h2{font-size:28px;line-height:1.35;font-weight:700;position:relative;padding-left:16px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:var(--ink-800);border-radius:2px;
}
.sec-desc{font-size:14px;color:var(--text-2);max-width:520px;margin-top:10px;line-height:1.75;}
.link-more{font-size:14px;font-weight:600;color:var(--ink-600);white-space:nowrap;}
.link-more:hover{color:var(--amber-500);}

.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;line-height:1.5;
}
.badge-amber{background:var(--amber-100);color:#8A4E12;}
.badge-line{border:1px solid rgba(255,255,255,.28);color:#C6D8D2;}
.badge-ok{border:1px solid var(--ok);color:var(--ok);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all var(--ease);
}
.btn-primary{background:var(--ink-800);color:#fff;}
.btn-primary:hover{background:#0A2E27;color:#fff;}
.btn-ghost{background:transparent;color:var(--ink-800);border-color:var(--ink-600);}
.btn-ghost:hover{background:rgba(29,107,88,.08);color:var(--ink-800);}
.btn-amber{background:var(--amber-500);color:#2A1606;}
.btn-amber:hover{background:#C4731F;color:#2A1606;}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- Hero ---------- */
.hero{padding-top:64px;padding-bottom:72px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;}
.hero h1{
  font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.5px;
  margin:16px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--ink-600);}
.hero-sub{font-size:18px;line-height:1.7;color:var(--text-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;
  font-size:13px;color:var(--text-2);
}
.hero-metrics span{display:inline-flex;align-items:center;gap:8px;}
.hero-metrics span::before{content:"·";color:var(--amber-500);font-weight:700;}
.hero-metrics span:first-child::before{content:"";width:6px;height:6px;background:var(--red);border-radius:50%;display:inline-block;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  background:var(--paper);box-shadow:var(--shadow-1);
}
.hero-media::after{
  content:"";position:absolute;right:-16px;top:6px;bottom:6px;width:1px;
  background:repeating-linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 14px);
}
.hero-tag{
  position:absolute;left:14px;bottom:14px;background:rgba(11,42,36,.86);
  color:#fff;font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;
  letter-spacing:.3px;
}

/* ---------- 指标看板 ---------- */
.stats-band{background:var(--ink-900);color:#E8EFEC;}
.stats-band .sec-head h2{color:#fff;}
.stats-band .sec-head h2::before{background:var(--amber-500);}
.stats-band .sec-desc{color:#9FB6AF;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);
  padding:22px;background:rgba(255,255,255,.03);
  transition:border-color var(--ease),transform var(--ease);
}
.stat-card:hover{border-color:var(--amber-500);transform:translateY(-2px);}
.stat-num{
  font-size:40px;font-weight:700;line-height:1.1;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat-num small{font-size:15px;font-weight:600;color:var(--amber-500);margin-left:3px;}
.stat-label{font-size:13px;color:#9FB6AF;margin-top:8px;}
.stat-card .badge{margin-top:12px;}

/* ---------- 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;position:relative;box-shadow:var(--shadow-1);
  transition:all var(--ease);
}
.bento-card:hover{border-color:var(--ink-600);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.bento-card .idx{
  position:absolute;right:22px;top:20px;font-size:12px;font-weight:600;
  color:var(--text-2);letter-spacing:1px;font-variant-numeric:tabular-nums;
}
.bento-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.bento-card p{font-size:14px;color:var(--text-2);line-height:1.75;}
.bento-card .go{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-600);margin-top:18px;}
.bento-card:hover .go{color:var(--amber-500);}
.b-two-a{grid-column:span 7;padding:34px;}
.b-two-b{grid-column:span 5;padding:34px;}
.b-sm{grid-column:span 3;padding:22px;}
.b-sm h3{font-size:16px;}
.b-sm .b-icon{
  width:36px;height:36px;border-radius:9px;background:var(--amber-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
  font-size:14px;font-weight:700;color:#8A4E12;
}
.b-two-a h3,.b-two-b h3{font-size:21px;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:all var(--ease);color:inherit;
}
.news-card:hover{border-color:var(--ink-600);transform:translateY(-2px);box-shadow:var(--shadow-2);color:inherit;}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--paper);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.55;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);margin-top:18px;padding-top:14px;
  border-top:1px solid var(--line);font-variant-numeric:tabular-nums;
}
.news-meta .arrow{color:var(--ink-600);font-weight:600;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 20px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state .line-icon{
  width:44px;height:44px;margin:0 auto 14px;border:1px solid var(--line);border-radius:10px;
  display:flex;align-items:center;justify-content:center;color:var(--text-2);font-size:18px;
}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:16px;}

/* ---------- 结果对比 ---------- */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:start;}
.compare-col{padding:0 6px;}
.compare-col.panel-r{border-left:1px dashed var(--line);padding-left:34px;}
.compare-title{
  font-size:16px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:8px;
}
.compare-title .tag{
  font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;
  background:var(--line);color:var(--text-2);
}
.panel-r .compare-title .tag{background:var(--amber-100);color:#8A4E12;}
.compare-row{
  display:flex;align-items:flex-start;gap:10px;min-height:56px;
  padding:14px 16px;border-radius:10px;font-size:15px;line-height:1.7;
}
.panel-l .compare-row{background:#EDEAE2;color:var(--text-2);margin-bottom:10px;}
.panel-l .compare-row::before{content:"—";color:#9AA6A1;flex:0 0 auto;}
.panel-r .compare-row{
  background:var(--surface);border:1px solid var(--amber-500);color:var(--text);
  margin-bottom:10px;box-shadow:var(--shadow-1);
}
.panel-r .compare-row::before{content:"✓";color:var(--ink-600);font-weight:700;flex:0 0 auto;}
.compare-row strong{color:var(--ink-800);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.faq-side h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:14px;}
.faq-side p{font-size:14px;color:var(--text-2);line-height:1.8;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color var(--ease);}
.faq-item:hover{border-color:var(--ink-600);}
.faq-item.open{border-color:var(--ink-600);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:0;padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .num{font-size:13px;color:var(--ink-600);font-weight:700;font-variant-numeric:tabular-nums;flex:0 0 auto;}
.faq-q .sign{margin-left:auto;font-size:20px;line-height:1;color:var(--ink-600);flex:0 0 auto;}
.faq-a{display:none;padding:0 22px 20px 52px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-item.open .faq-a{display:block;}

/* ---------- 表单 CTA ---------- */
.cta-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.cta-left h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:14px;}
.cta-left p.lead{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:22px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text);margin-bottom:12px;line-height:1.7;}
.cta-points li::before{content:"";width:7px;height:7px;background:var(--amber-500);border-radius:2px;margin-top:8px;flex:0 0 7px;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;transition:all var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#CFC8BA;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink-600);box-shadow:0 0 0 3px rgba(217,130,43,.22);
}
.form-card .btn{width:100%;}
.privacy{font-size:12px;color:var(--text-2);margin-top:14px;line-height:1.7;}
.form-tip{
  display:none;margin-top:14px;font-size:13px;color:var(--ink-600);
  background:var(--amber-100);border-radius:10px;padding:10px 14px;line-height:1.7;
}
.form-tip.show{display:block;}

/* ---------- 页脚 ---------- */
footer{background:var(--ink-900);color:#A9BEB7;border-top:3px solid var(--amber-500);}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding:60px 0 44px;
}
.foot-brand .logo-text{font-size:15px;display:block;margin-bottom:14px;}
.foot-brand p{font-size:14px;line-height:1.85;color:#93A9A2;max-width:280px;}
.foot-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-col li{margin-bottom:10px;}
.foot-col a{font-size:14px;color:#A9BEB7;display:inline-block;padding-left:0;transition:all var(--ease);}
.foot-col a:hover{color:#fff;padding-left:10px;position:relative;}
.foot-col a:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:2px;background:var(--amber-500);
}
.foot-col p{font-size:14px;line-height:1.85;color:#93A9A2;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  text-align:center;font-size:12px;color:#7F9690;
}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  :root{--side-w:208px;}
  .hero h1{font-size:34px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .b-sm{grid-column:span 6;}
  .b-two-a,.b-two-b{grid-column:span 12;}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;max-height:280px;}
  .hero-media::after{display:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout,.cta-grid{grid-template-columns:1fr;gap:32px;}
  .compare-wrap{grid-template-columns:1fr;gap:28px;}
  .compare-col.panel-r{border-left:0;padding-left:6px;border-top:1px dashed var(--line);padding-top:28px;}
}
@media (max-width:992px){
  .sidebar{display:none;}
  .mobile-bar{display:flex;}
  .main-wrap{margin-left:0;padding-top:56px;}
  .container{padding:0 32px;}
  section{padding:56px 0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .hero{padding-top:36px;padding-bottom:48px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .sec-head h2,.faq-side h2,.cta-left h2{font-size:23px;}
  .news-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-num{font-size:32px;}
  .b-sm{grid-column:span 12;}
  .bento-card{padding:22px;}
  .b-two-a,.b-two-b{padding:24px;}
  .form-card{padding:22px;}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px 46px;}
  .compare-row{font-size:14px;}
  .btn-side{width:100%;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B2A24;
  --ink-800:#0F3D34;
  --ink-600:#1D6B58;
  --amber-500:#D9822B;
  --amber-100:#FBEBD7;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#1F2B27;
  --text-2:#5C6B66;
  --ok:#3E9C6B;
  --warn:#C99A2E;
  --err:#C0453C;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(11,42,36,.06);
  --shadow-md:0 10px 26px rgba(11,42,36,.10);
  --side-w:236px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink-600);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--ink-800)}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.2px}
h1{font-size:40px;line-height:1.25}
h2{font-size:28px;line-height:1.35}
h3{font-size:19px;line-height:1.5;font-weight:600}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--amber-500);outline-offset:2px;border-radius:4px}

/* ---------- 布局骨架 ---------- */
.layout{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1 0 auto}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 48px;
}
.section{padding:72px 0;border-bottom:1px solid var(--line)}
.section:last-of-type{border-bottom:none}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{display:flex;align-items:center;gap:14px}
.section-head h2::before{
  content:"";
  width:4px;height:22px;
  background:var(--ink-800);
  border-radius:2px;
  display:inline-block;
}
.section-sub{font-size:14px;color:var(--text-2);margin:0;max-width:560px}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--ink-900);
  color:#fff;
  display:flex;
  flex-direction:column;
  z-index:60;
  padding:22px 0 18px;
  transition:transform .28s ease;
}
.side-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 20px 18px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.side-brand .mark{
  width:32px;height:32px;
  border-radius:9px;
  background:var(--ink-800);
  border:1px solid rgba(217,130,43,.55);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
  color:var(--amber-500);
  flex:0 0 auto;
  letter-spacing:.5px;
}
.side-brand .logo-text{
  font-size:13.5px;
  font-weight:700;
  color:#fff;
  white-space:nowrap;
  letter-spacing:.2px;
}
.side-nav{
  display:flex;
  flex-direction:column;
  padding:16px 0 0;
  flex:1 1 auto;
  overflow-y:auto;
}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  font-size:14.5px;
  color:rgba(255,255,255,.72);
  border-left:3px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.side-nav a:hover{
  background:rgba(255,255,255,.06);
  border-left-color:var(--amber-500);
  color:#fff;
}
.side-nav a.active{
  background:rgba(217,130,43,.15);
  border-left-color:var(--amber-500);
  color:#fff;
  font-weight:600;
}
.side-nav .dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--amber-500);
  display:inline-block;
  flex:0 0 auto;
}
.side-foot{
  padding:18px 20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:12px;
}
.side-foot p{
  font-size:13px;
  line-height:1.6;
  color:rgba(255,255,255,.55);
  margin:0 0 12px;
}
.btn-amber{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:100%;
  height:44px;
  padding:0 22px;
  border:none;
  border-radius:var(--radius-btn);
  background:var(--amber-500);
  color:#20160C;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-amber:hover{background:#C5731F;color:#20160C}
.btn-amber:active{transform:translateY(1px)}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  background:var(--ink-900);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  z-index:50;
  box-shadow:0 2px 12px rgba(11,42,36,.18);
}
.topbar .logo-text{
  font-size:13.5px;
  font-weight:700;
  color:#fff;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.menu-btn{
  width:44px;height:44px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  background:transparent;
  border:none;
  cursor:pointer;
  border-radius:10px;
  transition:background var(--ease);
}
.menu-btn:hover{background:rgba(255,255,255,.1)}
.menu-btn span{
  display:block;
  width:20px;height:2px;
  border-radius:2px;
  background:var(--amber-500);
  transition:transform .2s ease,opacity .2s ease;
}
.scrim{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(11,42,36,.52);
  z-index:55;
}
.scrim.show{display:block}

/* ---------- 页头 ---------- */
.page-head{
  padding:56px 0 44px;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  margin:0 0 18px;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--ink-600)}
.breadcrumb .sep{color:#BDB6A8}
.page-head h1{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-bottom:16px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--amber-100);
  color:#8A5115;
  font-size:12px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.badge.line{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-2);
}
.lede{
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:700px;
  margin:0;
}

/* ---------- 状态条 ---------- */
.status-bar{
  margin-top:32px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:var(--ink-900);
  border-radius:var(--radius-card);
  padding:18px 26px;
  color:#fff;
  border-left:3px solid var(--amber-500);
}
.status-left{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14.5px;
}
.pulse{
  width:9px;height:9px;
  border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 4px rgba(62,156,107,.22);
  flex:0 0 auto;
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(62,156,107,.35)}
  70%{box-shadow:0 0 0 8px rgba(62,156,107,0)}
  100%{box-shadow:0 0 0 0 rgba(62,156,107,0)}
}
.status-right{
  font-size:13px;
  color:rgba(255,255,255,.62);
  margin:0;
}

/* ---------- 概览区 ---------- */
.overview{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:48px;
  align-items:center;
}
.figure{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  background:var(--paper);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
}
.figure::after{
  content:"";
  position:absolute;
  top:14px;right:14px;
  width:1px;height:52px;
  background:var(--amber-500);
  opacity:.85;
}
.points{display:flex;flex-direction:column;gap:2px}
.points li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px dashed var(--line);
  font-size:16px;
  line-height:1.8;
}
.points li:last-child{border-bottom:none}
.points li::before{
  content:"";
  flex:0 0 auto;
  width:3px;
  height:18px;
  margin-top:8px;
  border-radius:2px;
  background:var(--ink-800);
}
.points strong{color:var(--ink-800)}
.note-line{
  margin-top:22px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
}
.note-line i{
  width:6px;height:6px;
  background:var(--amber-500);
  border-radius:1px;
  display:inline-block;
}

/* ---------- 对比表 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--surface);
}
.cmp-table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
}
.cmp-table thead th{
  background:var(--ink-800);
  color:#fff;
  text-align:left;
  font-weight:600;
  font-size:14px;
  padding:14px 20px;
  letter-spacing:.3px;
}
.cmp-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  vertical-align:top;
}
.cmp-table tbody tr:nth-child(even) td{background:#FAF8F3}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody td:first-child{
  font-weight:600;
  color:var(--ink-800);
  white-space:nowrap;
}
.cmp-table tbody td:last-child{
  border-right:3px solid var(--amber-500);
  color:var(--ink-600);
  font-weight:600;
}
.cmp-table tbody tr:hover td{background:#F3F0E8}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step:hover{
  transform:translateY(-2px);
  border-color:var(--ink-600);
  box-shadow:var(--shadow-md);
}
.step .num{
  font-size:13px;
  font-weight:600;
  color:var(--ink-600);
  letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
  display:block;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  margin:0;
}

/* ---------- 纵向明细列表 ---------- */
.rows{
  border-top:1px solid var(--line);
}
.row{
  display:grid;
  grid-template-columns:56px 1.05fr 1.5fr 24px;
  align-items:center;
  gap:20px;
  min-height:72px;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  color:inherit;
  transition:background var(--ease);
}
.row:hover{background:#EFECE4}
.row .idx{
  font-size:14px;
  font-weight:600;
  color:var(--ink-600);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
}
.row .title{
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.row:hover .title{color:var(--ink-800)}
.row .desc{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.row .arrow{
  color:var(--ink-600);
  font-size:16px;
  transition:transform var(--ease);
  text-align:right;
}
.row:hover .arrow{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.faq-intro h2{margin-bottom:14px}
.faq-intro p{
  font-size:14px;
  color:var(--text-2);
  margin:0;
  line-height:1.8;
}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#CFC8B8}
.faq-item[open]{
  border-color:var(--ink-600);
  box-shadow:var(--shadow-md);
}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ink-800)}
.faq-item .q-num{
  font-size:13px;
  font-weight:600;
  color:var(--ink-600);
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.faq-item .q-text{flex:1 1 auto}
.faq-item .ico{
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:600;
  color:var(--ink-600);
  line-height:1;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.faq-item[open] .ico{
  background:var(--amber-100);
  border-color:var(--amber-500);
  color:#8A5115;
}
.faq-body{
  padding:0 22px 22px 58px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-body p{margin:0}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--amber-500);
  border-radius:var(--radius-card);
  padding:30px 34px;
  box-shadow:var(--shadow-sm);
}
.cta-band h2{
  font-size:21px;
  margin-bottom:8px;
  letter-spacing:0;
}
.cta-band p{
  font-size:14px;
  color:var(--text-2);
  margin:0;
  max-width:620px;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  background:var(--ink-800);
  color:#fff;
  font-size:15px;
  font-weight:600;
  border:1px solid var(--ink-800);
  cursor:pointer;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary:hover{background:#0B322B;color:#fff;box-shadow:0 8px 20px rgba(11,42,36,.18)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--ink-800);
  border:1px solid var(--ink-600);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:var(--amber-100);color:var(--ink-900)}
.btn-ghost:active{transform:translateY(1px)}

/* ---------- 页脚 ---------- */
footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  border-top:3px solid var(--amber-500);
  margin-top:auto;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding:56px 0 40px;
}
.foot-brand .logo-text{
  display:block;
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.2px;
}
.foot-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  margin:0;
  max-width:340px;
}
.foot-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin:0 0 16px;
  letter-spacing:.5px;
}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{
  position:relative;
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.66);
  padding-left:0;
  transition:color var(--ease),padding-left var(--ease);
}
.foot-col a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:0;height:2px;
  background:var(--amber-500);
  transition:width var(--ease);
}
.foot-col a:hover{
  color:#fff;
  padding-left:12px;
}
.foot-col a:hover::before{width:6px}
.foot-col p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  margin:0;
}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  text-align:center;
  font-size:12px;
  color:rgba(255,255,255,.48);
  padding:18px 0 22px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--side-w:208px}
  .container{padding:0 40px}
  .overview{gap:36px}
}
@media (max-width:1023px){
  .overview{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:992px){
  .sidebar{
    transform:translateX(-102%);
    width:82%;
    max-width:330px;
    box-shadow:0 24px 60px rgba(0,0,0,.32);
  }
  .sidebar.open{transform:translateX(0)}
  .layout{margin-left:0;padding-top:56px}
  .topbar{display:flex}
  .container{padding:0 32px}
  .section{padding:56px 0}
  .page-head{padding:36px 0 32px}
  h1{font-size:30px}
  h2{font-size:24px}
}
@media (max-width:768px){
  .container{padding:0 22px}
  .row{
    grid-template-columns:40px 1fr 20px;
    grid-template-areas:"idx title arrow" "idx desc arrow";
    row-gap:4px;
    align-items:start;
    padding:16px 12px;
  }
  .row .idx{grid-area:idx;padding-top:2px}
  .row .title{grid-area:title}
  .row .desc{grid-area:desc}
  .row .arrow{grid-area:arrow;align-self:center}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:24px 22px}
}
@media (max-width:640px){
  .cmp-table,
  .cmp-table tbody,
  .cmp-table tr,
  .cmp-table td,
  .cmp-table th{display:block;width:100%}
  .cmp-table thead{display:none}
  .cmp-table tbody tr{
    border:1px solid var(--line);
    border-radius:12px;
    margin:12px;
    background:var(--surface);
    padding:6px 14px;
  }
  .cmp-table tbody tr:nth-child(even) td{background:transparent}
  .cmp-table tbody td{
    border:none;
    border-bottom:1px dashed var(--line);
    padding:10px 0;
    display:flex;
    gap:12px;
    align-items:flex-start;
  }
  .cmp-table tbody td:last-child{border-right:none;border-bottom:none}
  .cmp-table tbody td::before{
    content:attr(data-label);
    flex:0 0 76px;
    font-size:13px;
    font-weight:600;
    color:var(--text-2);
  }
  .cmp-table tbody td:first-child{white-space:normal}
}
@media (max-width:520px){
  body{font-size:15px;line-height:1.8}
  .container{padding:0 18px}
  h1{font-size:26px}
  h2{font-size:22px}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .btn-primary,.btn-ghost,.btn-amber{width:100%}
  .cta-band .btn-primary{width:100%}
  .faq-body{padding-left:22px}
  .status-bar{padding:16px 18px}
  .figure img{aspect-ratio:3/2}
}

/* roulang page: article */
:root{
  --ink-900:#0B2A24;
  --ink-800:#0F3D34;
  --ink-600:#1D6B58;
  --amber-500:#D9822B;
  --amber-100:#FBEBD7;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#1F2B27;
  --text-2:#5C6B66;
  --ok:#3E9C6B;
  --warn:#C99A2E;
  --err:#C0453C;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(11,42,36,.06);
  --shadow-2:0 10px 26px rgba(11,42,36,.10);
  --sidebar-w:236px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink-600);text-decoration:none;transition:color 180ms ease;}
a:hover{color:var(--ink-800);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
time{font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--amber-500);
  outline-offset:2px;
  border-radius:4px;
}

/* ---------- 左侧竖导航 ---------- */
.side-nav-wrap{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--ink-900);
  display:flex;
  flex-direction:column;
  padding:26px 0 22px;
  z-index:60;
  box-shadow:2px 0 0 rgba(11,42,36,.06);
}
.side-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 20px 22px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.logo-mark{
  width:32px;height:32px;flex:none;
  display:flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--amber-500);
  color:#221407;
  font-size:12px;font-weight:800;letter-spacing:.5px;
}
.logo-text{
  color:#fff;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.3px;
  white-space:nowrap;
}
.side-nav{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:16px 12px 0;
  flex:1 1 auto;
  overflow-y:auto;
}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 12px;
  border-radius:9px;
  color:rgba(255,255,255,.72);
  font-size:14.5px;
  font-weight:500;
  line-height:1.4;
  transition:background 180ms ease,color 180ms ease;
}
.side-nav a::before{
  content:"";
  position:absolute;
  left:0;top:13px;bottom:13px;
  width:3px;
  border-radius:2px;
  background:transparent;
  transition:background 180ms ease;
}
.side-nav .dot{
  width:6px;height:6px;flex:none;
  border-radius:50%;
  background:rgba(255,255,255,.26);
  transition:background 180ms ease;
}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.side-nav a:hover::before{background:var(--amber-500);}
.side-nav a.active{background:rgba(255,255,255,.10);color:#fff;}
.side-nav a.active::before{background:var(--amber-500);}
.side-nav a.active .dot{background:var(--amber-500);}
.side-foot{
  margin-top:14px;
  padding:18px 20px 0;
  border-top:1px solid rgba(255,255,255,.10);
}
.side-foot p{
  font-size:13px;
  line-height:1.65;
  color:rgba(255,255,255,.50);
  margin-bottom:14px;
}
.side-foot .btn{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background 180ms ease,border-color 180ms ease,color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
}
.btn:active{transform:translateY(1px);}
.btn-amber{background:var(--amber-500);color:#241305;border-color:var(--amber-500);}
.btn-amber:hover{background:#c4741f;border-color:#c4741f;color:#241305;}
.btn-primary{background:var(--ink-800);color:#fff;border-color:var(--ink-800);}
.btn-primary:hover{background:#0b3129;border-color:#0b3129;color:#fff;}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-800);}
.btn-ghost:hover{background:#fff;border-color:var(--ink-600);color:var(--ink-800);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;}

/* ---------- 布局 ---------- */
.page-main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 48px;
}
main{flex:1 1 auto;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{display:none;}
.hamburger{
  width:44px;height:44px;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:5px;
  border:0;background:transparent;cursor:pointer;
  border-radius:8px;
}
.hamburger span{
  width:20px;height:2px;border-radius:2px;
  background:#fff;
  transition:background 180ms ease;
}
.hamburger:hover span{background:var(--amber-500);}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:82%;
  max-width:340px;
  background:var(--ink-900);
  transform:translateX(100%);
  transition:transform 240ms ease;
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:20px 20px 28px;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,42,36,.55);
  opacity:0;
  pointer-events:none;
  transition:opacity 240ms ease;
  z-index:80;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer-close{
  width:44px;height:44px;
  border:0;border-radius:8px;
  background:transparent;
  color:#fff;
  font-size:18px;
  cursor:pointer;
  transition:background 180ms ease,color 180ms ease;
}
.drawer-close:hover{background:rgba(255,255,255,.08);color:var(--amber-500);}
.drawer-nav{
  display:flex;
  flex-direction:column;
  padding:16px 0;
  flex:1 1 auto;
}
.drawer-nav a{
  height:48px;
  display:flex;
  align-items:center;
  color:rgba(255,255,255,.78);
  font-size:16px;
  border-radius:8px;
  padding:0 10px;
  transition:background 180ms ease,color 180ms ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.07);color:#fff;}
.drawer-cta{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:34px 0 0;
  font-size:13px;
  color:var(--text-2);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--ink-600);}
.crumb .sep{color:#BDB6A8;}
.crumb .current{
  max-width:420px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--text);
}

/* ---------- 文章头部 ---------- */
.article-head{
  padding:20px 0 26px;
  margin-bottom:34px;
  border-bottom:1px solid var(--line);
}
.article-head h1{
  font-size:32px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--ink-900);
  max-width:920px;
}
.meta-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--text-2);
}
.meta-row .m-dot{color:#C4BDAE;}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1;
}
.badge-amber{background:var(--amber-100);color:#8A4B12;}

/* ---------- 正文与侧栏 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:32px;
  align-items:start;
  padding-bottom:56px;
}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:40px;
  box-shadow:var(--shadow-1);
}
.article-body{
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  max-width:72ch;
  word-break:break-word;
}
.article-body p{margin-bottom:1.15em;}
.article-body h2{
  position:relative;
  font-size:24px;
  line-height:1.4;
  font-weight:700;
  color:var(--ink-900);
  margin:2.2em 0 .8em;
  padding-left:14px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.42em;
  width:4px;height:18px;
  border-radius:2px;
  background:var(--ink-800);
}
.article-body h3{
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink-900);
  margin:1.8em 0 .6em;
}
.article-body h4{
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  margin:1.5em 0 .5em;
}
.article-body ul,.article-body ol{margin-bottom:1.15em;}
.article-body ul li{
  position:relative;
  padding-left:18px;
  margin-bottom:.55em;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  border-radius:1px;
  background:var(--amber-500);
}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body ol li{margin-bottom:.55em;}
.article-body blockquote{
  margin:1.4em 0;
  padding:14px 20px;
  border-left:3px solid var(--amber-500);
  background:var(--paper);
  border-radius:0 10px 10px 0;
  color:var(--text-2);
  font-size:15px;
}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  margin:1.4em 0 .5em;
}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{
  font-size:12px;
  line-height:1.6;
  color:var(--text-2);
  margin-top:10px;
}
.article-body a{
  color:var(--ink-600);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--ink-800);}
.article-body strong{color:var(--ink-900);font-weight:700;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.4em 0;
  font-size:14.5px;
}
.article-body th{
  background:var(--ink-800);
  color:#fff;
  font-weight:600;
  text-align:left;
  padding:10px 12px;
}
.article-body td{
  padding:10px 12px;
  border-bottom:1px solid var(--line);
}
.article-body tr:nth-child(even) td{background:var(--paper);}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:2em 0;
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:64px 20px;
}
.empty-icon{
  width:46px;height:46px;
  margin:0 auto 18px;
  border:1px solid var(--line);
  border-radius:12px;
  position:relative;
  background:var(--paper);
}
.empty-icon::after{
  content:"";
  position:absolute;
  left:11px;right:11px;top:50%;
  height:1px;
  background:var(--line);
}
.empty-state p{
  font-size:14px;
  color:var(--text-2);
  margin-bottom:20px;
}

/* ---------- 侧栏 ---------- */
.article-side{
  position:sticky;
  top:24px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-title{
  position:relative;
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
  padding-left:11px;
  margin-bottom:16px;
}
.side-title::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:15px;
  border-radius:2px;
  background:var(--ink-800);
}
.rel-list{display:flex;flex-direction:column;gap:14px;}
.rel-list a{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:var(--text);
}
.rel-list img{
  width:64px;height:48px;flex:none;
  object-fit:cover;
  border-radius:8px;
  background:var(--paper);
}
.rel-list span{
  font-size:14px;
  line-height:1.5;
  font-weight:500;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-list a:hover span{color:var(--ink-600);}
.side-note{
  font-size:13px;
  line-height:1.7;
  color:var(--text-2);
  margin-bottom:16px;
}
.side-card .btn{width:100%;}
.side-card .btn + .btn{margin-top:10px;}

/* ---------- 文章底部 ---------- */
.article-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:34px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.article-footer .back-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--ink-600);
  font-weight:600;
  cursor:pointer;
}
.article-footer .back-top:hover{color:var(--ink-800);}

/* ---------- 页脚 ---------- */
footer{
  background:var(--ink-900);
  border-top:3px solid var(--amber-500);
  margin-left:var(--sidebar-w);
  padding-top:56px;
  color:rgba(255,255,255,.7);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:44px;
}
footer .logo-text{
  display:block;
  font-size:18px;
  font-weight:700;
  color:#fff;
  letter-spacing:.2px;
  white-space:normal;
  margin-bottom:14px;
}
.foot-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.58);
  max-width:340px;
}
.foot-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.2px;
}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{
  position:relative;
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.6);
  transition:color 180ms ease,padding-left 180ms ease;
}
.foot-col a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:0;height:2px;
  background:var(--amber-500);
  transform:translateY(-50%);
  transition:width 180ms ease;
}
.foot-col a:hover{color:#fff;padding-left:12px;}
.foot-col a:hover::before{width:6px;}
.foot-col p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.58);
}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  text-align:center;
  font-size:12px;
  color:rgba(255,255,255,.42);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sidebar-w:208px;}
  .container{padding:0 40px;}
}
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 278px;gap:24px;}
  .article-card{padding:32px;}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 300px;}
}
@media (max-width:992px){
  .side-nav-wrap{display:none;}
  .page-main{margin-left:0;padding-top:56px;}
  footer{margin-left:0;}
  .mobile-bar{
    display:flex;
    position:fixed;
    top:0;left:0;right:0;
    height:56px;
    align-items:center;
    justify-content:space-between;
    padding:0 16px;
    background:var(--ink-900);
    z-index:70;
    box-shadow:0 1px 0 rgba(255,255,255,.06);
  }
  .mobile-bar .brand{
    display:flex;
    align-items:center;
    gap:9px;
  }
  .mobile-bar .logo-text{font-size:13px;}
  .container{padding:0 20px;}
  .crumb{padding-top:22px;}
  .article-head h1{font-size:26px;}
  .article-card{padding:24px;}
  .article-body{font-size:15px;line-height:1.8;}
  .article-body h2{font-size:20px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:520px){
  .article-head h1{font-size:23px;line-height:1.4;}
  .article-side{flex-direction:column;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .btn{width:100%;}
  .article-footer .back-top{width:auto;}
  .crumb .current{max-width:200px;}
  .article-body table{font-size:13.5px;}
  .article-body th,.article-body td{padding:8px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B2A24;
  --ink-800:#0F3D34;
  --ink-700:#144b40;
  --ink-600:#1D6B58;
  --amber-500:#D9822B;
  --amber-600:#c1721f;
  --amber-100:#FBEBD7;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#E3DED3;
  --text:#1F2B27;
  --text-2:#5C6B66;
  --ok:#3E9C6B;
  --warn:#C99A2E;
  --err:#C0453C;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,42,36,.06);
  --sh-2:0 10px 26px rgba(11,42,36,.10);
  --t:180ms ease;
  --nav-w:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover}
a{color:var(--ink-600);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--amber-500)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink-800)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--amber-500);outline-offset:2px;border-radius:4px}

/* ============ 布局骨架 ============ */
.content{
  margin-left:var(--nav-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1 1 auto}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 48px;
}
section{position:relative}
.sec{padding:72px 0;border-bottom:1px solid var(--line)}
.sec:last-of-type{border-bottom:0}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.sec-head h2{font-size:28px;position:relative;padding-left:16px}
.sec-head h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--ink-800);border-radius:2px;
}
.sec-head .sec-note{font-size:14px;color:var(--text-2);margin:0}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--ink-900);
  color:#cfe0da;
  display:flex;
  flex-direction:column;
  padding:22px 0 20px;
  z-index:60;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 20px 18px;
  color:#fff;
}
.brand:hover{color:#fff}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:grid;place-items:center;
  border-radius:9px;
  background:var(--ink-800);
  border:1px solid rgba(217,130,43,.55);
  color:var(--amber-500);
  font-weight:700;
  font-size:15px;
  letter-spacing:.5px;
}
.brand-text{
  font-size:13.5px;
  font-weight:700;
  line-height:1.2;
  color:#fff;
  white-space:nowrap;
}
.nav-sep{
  height:1px;
  margin:0 20px 14px;
  background:rgba(255,255,255,.12);
}
.nav-list{display:flex;flex-direction:column;gap:2px;padding:0 12px}
.nav-list a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 12px 0 8px;
  border-radius:8px;
  font-size:14.5px;
  color:#b9cec7;
  transition:background var(--t),color var(--t);
}
.nav-list a::before{
  content:"";
  position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:2px;background:transparent;
  transition:background var(--t);
}
.nav-list a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-list a:hover::before{background:rgba(217,130,43,.6)}
.nav-list a.active{background:rgba(255,255,255,.09);color:#fff;font-weight:600}
.nav-list a.active::before{background:var(--amber-500)}
.nav-list .dot{
  width:6px;height:6px;border-radius:50%;
  background:rgba(255,255,255,.28);
  flex:0 0 6px;
}
.nav-list a.active .dot{background:var(--amber-500);box-shadow:0 0 0 3px rgba(217,130,43,.18)}
.side-foot{
  margin-top:auto;
  padding:18px 20px 0;
  border-top:1px solid rgba(255,255,255,.1);
}
.side-foot p{
  font-size:13px;
  line-height:1.65;
  color:#8fa8a1;
  margin-bottom:12px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink-800);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--ink-700);color:#fff}
.btn-ghost{background:transparent;color:var(--ink-800);border-color:var(--line);box-shadow:none}
.btn-ghost:hover{border-color:var(--ink-600);color:var(--ink-600);background:#fff}
.btn-amber{background:var(--amber-500);color:#2b1607}
.btn-amber:hover{background:var(--amber-600);color:#1d0f04}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:999px;
  line-height:1.6;
  letter-spacing:.02em;
}
.badge-amber{background:var(--amber-100);color:#8a4d10;border:1px solid rgba(217,130,43,.35)}
.badge-line{background:transparent;color:var(--ink-600);border:1px solid var(--line)}
.badge-dark{background:rgba(255,255,255,.08);color:#cfe0da;border:1px solid rgba(255,255,255,.18)}
.badge-ok{background:transparent;color:var(--ok);border:1px solid rgba(62,156,107,.45)}
.badge-err{background:transparent;color:var(--err);border:1px solid rgba(192,69,60,.4)}
.badge-warn{background:transparent;color:var(--warn);border:1px solid rgba(201,154,46,.45)}

/* ============ 页头 ============ */
.page-head{padding:40px 0 64px;border-bottom:1px solid var(--line)}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);margin-bottom:26px;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--ink-600)}
.crumb span.sep{color:#b6b1a6}
.head-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.page-head h1{
  font-size:38px;
  line-height:1.28;
  letter-spacing:-.01em;
  margin:16px 0 18px;
  max-width:16em;
}
.page-head .lead{
  font-size:16.5px;
  color:var(--text-2);
  max-width:34em;
  margin-bottom:26px;
}
.head-actions{display:flex;flex-wrap:wrap;gap:12px}
.head-figure{
  position:relative;
  margin:0;
}
.head-figure img{
  width:100%;
  aspect-ratio:4/3;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-img);
}
.head-figure::after{
  content:"";
  position:absolute;
  right:-14px;top:12%;
  height:76%;width:1px;
  background:linear-gradient(180deg,transparent,var(--amber-500),transparent);
}

/* ============ 深色状态面板 ============ */
.status-band{
  background:var(--ink-900);
  color:#dbe8e3;
  padding:56px 0;
}
.status-band .sec-head{margin-bottom:28px}
.status-band h2{color:#fff}
.status-band h2::before{background:var(--amber-500)}
.status-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.status-card{
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:20px;
  background:rgba(255,255,255,.03);
}
.status-top{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:#a8c2ba;margin-bottom:10px;
}
.dot-live{
  width:7px;height:7px;border-radius:50%;
  background:var(--amber-500);
  box-shadow:0 0 0 3px rgba(217,130,43,.2);
  flex:0 0 7px;
}
.status-num{
  font-size:40px;
  font-weight:700;
  line-height:1.1;
  color:#fff;
  letter-spacing:-.02em;
}
.status-num small{font-size:15px;font-weight:600;color:var(--amber-500);margin-left:2px}
.bar{
  height:4px;border-radius:4px;background:rgba(255,255,255,.12);
  margin:14px 0 12px;overflow:hidden;
}
.bar i{display:block;height:100%;border-radius:4px;background:var(--amber-500)}
.status-card p{font-size:13px;line-height:1.7;color:#9db6af;margin:0}

/* ============ 卡片网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.mini-card{
  display:flex;
  flex-direction:column;
  min-height:188px;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.mini-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:var(--ink-600);
}
.ico{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--amber-100);
  color:#8a4d10;
  margin-bottom:14px;
  flex:0 0 36px;
}
.ico svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mini-card h3{font-size:18px;margin-bottom:8px;color:var(--ink-800)}
.mini-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0}
.mini-card .more{
  margin-top:auto;
  padding-top:14px;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-600);
  display:inline-flex;align-items:center;gap:6px;
}
.mini-card .more::after{content:"→";transition:transform var(--t)}
.mini-card:hover .more{color:var(--amber-500)}
.mini-card:hover .more::after{transform:translateX(3px)}

/* ============ 对比表 ============ */
.table-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
table.compare{
  width:100%;
  border-collapse:collapse;
  font-size:14.5px;
}
table.compare thead th{
  background:var(--ink-800);
  color:#fff;
  text-align:left;
  font-weight:600;
  font-size:14px;
  padding:16px 22px;
  letter-spacing:.02em;
}
table.compare thead th.hi{background:var(--ink-700);position:relative}
table.compare thead th.hi::after{
  content:"";
  position:absolute;right:0;top:0;bottom:0;width:3px;
  background:var(--amber-500);
}
table.compare tbody td{
  padding:16px 22px;
  border-top:1px solid var(--line);
  color:var(--text-2);
  vertical-align:top;
}
table.compare tbody td:first-child{
  color:var(--ink-800);
  font-weight:600;
  width:22%;
}
table.compare tbody tr:nth-child(even) td{background:#FAF8F3}
table.compare tbody td.hi{
  color:var(--text);
  font-weight:600;
  position:relative;
  background:#FFFBF4;
}
table.compare tbody tr:nth-child(even) td.hi{background:#FDF5E9}
table.compare tbody td.hi::after{
  content:"";
  position:absolute;right:0;top:0;bottom:0;width:3px;
  background:var(--amber-500);
}
.table-tip{font-size:13px;color:var(--text-2);margin-top:14px}

/* ============ 流程条 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface);
  overflow:hidden;
}
.flow-step{
  padding:24px 22px;
  border-right:1px solid var(--line);
  position:relative;
}
.flow-step:last-child{border-right:0}
.flow-step .num{
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--amber-500);
  display:block;
  margin-bottom:10px;
}
.flow-step h3{font-size:16px;margin-bottom:6px}
.flow-step p{font-size:13.5px;color:var(--text-2);margin:0;line-height:1.7}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq details[open]{border-color:var(--ink-600);box-shadow:var(--sh-2)}
.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-800);
}
.faq summary::-webkit-details-marker{display:none}
.faq .idx{
  font-size:13px;
  font-weight:700;
  color:var(--ink-600);
  letter-spacing:.06em;
  flex:0 0 auto;
}
.faq .sign{
  margin-left:auto;
  width:16px;height:16px;position:relative;flex:0 0 16px;
}
.faq .sign::before,.faq .sign::after{
  content:"";
  position:absolute;
  background:var(--ink-600);
  border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.faq .sign::before{left:0;right:0;top:7px;height:2px}
.faq .sign::after{top:0;bottom:0;left:7px;width:2px}
.faq details[open] .sign::after{transform:scaleY(0);opacity:0}
.faq .ans{
  padding:0 22px 20px 52px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:32px 36px;
  background:var(--surface);
  border:1px solid var(--amber-500);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.cta-bar .cta-text strong{
  display:block;
  font-size:19px;
  color:var(--ink-800);
  margin-bottom:6px;
  line-height:1.4;
}
.cta-bar .cta-text span{font-size:14px;color:var(--text-2)}

/* ============ 页脚 ============ */
footer{
  background:var(--ink-900);
  color:#a8c2ba;
  border-top:3px solid var(--amber-500);
  padding:56px 0 0;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.logo-text{
  display:block;
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.foot-brand p{font-size:14px;line-height:1.8;color:#93ada6;margin:0;max-width:26em}
.foot-col h4{
  font-size:14px;
  color:#fff;
  margin-bottom:16px;
  font-weight:600;
  letter-spacing:.03em;
}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li a{
  font-size:14px;
  color:#a8c2ba;
  display:inline-block;
  position:relative;
  padding-left:0;
  transition:color var(--t),padding-left var(--t);
}
.foot-col li a::before{
  content:"";
  position:absolute;left:0;top:50%;
  width:6px;height:1.5px;
  background:var(--amber-500);
  opacity:0;
  transform:translateY(-50%);
  transition:opacity var(--t);
}
.foot-col li a:hover{color:#fff;padding-left:12px}
.foot-col li a:hover::before{opacity:1}
.foot-col p{font-size:14px;color:#93ada6;line-height:1.8;margin:0}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0;
  text-align:center;
  font-size:12px;
  color:#7f9a93;
  letter-spacing:.02em;
}

/* ============ 移动端导航 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  background:var(--ink-900);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  z-index:70;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.mobile-bar .brand{padding:0}
.burger{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:8px;
  transition:background var(--t);
}
.burger:hover{background:rgba(255,255,255,.08)}
.burger span{
  display:block;
  width:20px;height:2px;
  background:#fff;
  border-radius:2px;
  position:relative;
}
.burger span::before,.burger span::after{
  content:"";
  position:absolute;left:0;
  width:20px;height:2px;background:#fff;border-radius:2px;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,42,36,.55);
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:82%;
  max-width:340px;
  background:var(--ink-900);
  z-index:90;
  transform:translateX(100%);
  transition:transform 240ms ease;
  display:flex;
  flex-direction:column;
  padding:18px 18px 24px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head .logo-text{margin:0;font-size:14px}
.drawer-close{
  width:44px;height:44px;
  display:grid;place-items:center;
  color:#fff;font-size:26px;line-height:1;
  border-radius:8px;
  transition:background var(--t);
}
.drawer-close:hover{background:rgba(255,255,255,.08)}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{
  display:flex;align-items:center;gap:10px;
  height:48px;
  font-size:16px;
  color:#c6d9d3;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer nav a.active{color:#fff;font-weight:600}
.drawer nav a.active .dot{background:var(--amber-500)}
.drawer nav a .dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.3)}
.drawer .drawer-foot{margin-top:auto;padding-top:20px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--nav-w:208px}
  .container{padding:0 32px}
  .head-grid{gap:32px}
  .page-head h1{font-size:34px}
  .status-grid{gap:14px}
  .status-card{padding:16px}
}
@media (max-width:1100px){
  .status-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .content{margin-left:0;padding-top:56px}
  .side-nav{display:none}
  .mobile-bar{display:flex}
  .head-grid{grid-template-columns:1fr;gap:28px}
  .head-figure{order:-1}
  .head-figure img{aspect-ratio:16/9;max-height:220px}
  .head-figure::after{display:none}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step:nth-child(2){border-right:0}
  .flow-step:nth-child(1),.flow-step:nth-child(2){border-bottom:1px solid var(--line)}
  .container{padding:0 32px}
  .sec{padding:56px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .page-head{padding:28px 0 44px}
  .page-head h1{font-size:28px;margin:12px 0 14px}
  .page-head .lead{font-size:15px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px}
  .sec-head h2{font-size:23px}
  .card-grid{grid-template-columns:1fr}
  .mini-card{min-height:0;padding:20px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px}
  .cta-bar .btn{width:100%}
  .faq summary{font-size:15px;padding:16px 18px;gap:10px}
  .faq .ans{padding:0 18px 18px 18px}
  .status-band{padding:44px 0}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .flow{grid-template-columns:1fr}
  .flow-step{border-right:0;border-bottom:1px solid var(--line)}
  .flow-step:last-child{border-bottom:0}

  /* 对比表转堆叠卡 */
  table.compare thead{display:none}
  table.compare,table.compare tbody,table.compare tr,table.compare td{display:block;width:100%}
  table.compare tbody tr{
    border-top:1px solid var(--line);
    padding:6px 0;
  }
  table.compare tbody tr:first-child{border-top:0}
  table.compare tbody td{
    border:0;
    padding:8px 18px;
    display:flex;
    gap:12px;
    background:transparent !important;
  }
  table.compare tbody td::after{display:none !important}
  table.compare tbody td::before{
    content:attr(data-label);
    flex:0 0 82px;
    font-size:13px;
    color:var(--text-2);
    font-weight:600;
  }
  table.compare tbody td:first-child{
    width:100%;
    background:var(--paper) !important;
    font-size:15px;
    padding:12px 18px;
  }
  table.compare tbody td:first-child::before{content:"核验项目";flex:0 0 82px;color:var(--text-2)}
  table.compare tbody td.hi{background:#FFFBF4 !important;border-left:3px solid var(--amber-500)}
}
@media (max-width:520px){
  .status-grid{grid-template-columns:1fr}
  .status-num{font-size:34px}
  .head-actions .btn{width:100%}
  .page-head h1{font-size:25px}
  .badge{font-size:11.5px}
  .sec{padding:48px 0}
}