/* roulang page: index */
:root{
  --c-primary:#1B2559;
  --c-primary-700:#111A40;
  --c-accent:#E8722A;
  --c-accent-700:#C95C1C;
  --c-secondary:#3C7A8C;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F8;
  --c-surface-3:#F3F6FB;
  --c-border:#E4E9F2;
  --c-text:#202637;
  --c-text-2:#5B6779;
  --c-text-3:#8A94A6;
  --c-success:#2E9E6B;
  --c-warn:#D99A00;
  --c-error:#CE4B45;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,34,74,.04), 0 10px 24px rgba(20,34,74,.07);
  --sh-2:0 6px 14px rgba(20,34,74,.06), 0 20px 40px rgba(20,34,74,.12);
  --section-y:96px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--c-accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{margin-top:var(--section-y)}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.sec-mark{
  display:block;
  width:40px;
  height:4px;
  border-radius:999px;
  background:var(--c-accent);
  margin-bottom:14px;
}
.sec-head h2{
  font-size:32px;
  line-height:1.38;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--c-primary);
}
.sec-note{
  font-size:13px;
  line-height:1.7;
  color:var(--c-text-3);
  max-width:360px;
  text-align:right;
}
.sec-link{
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid var(--c-border);
  padding-bottom:2px;
  white-space:nowrap;
}
.sec-link:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ---------- 头部导航 ---------- */
.site-head{
  position:sticky;
  top:12px;
  z-index:50;
  padding-top:12px;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:76px;
  padding:0 20px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-primary);
}
.brand:hover{color:var(--c-primary)}
.brand-mark{
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--c-accent);
}
.brand-name{
  font-size:18px;
  font-weight:700;
  letter-spacing:.5px;
  line-height:1;
}
.brand-sub{
  font-size:12px;
  font-weight:500;
  color:var(--c-text-3);
  line-height:1;
  margin-top:4px;
}
.brand-text{display:flex;flex-direction:column}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
  flex:1 1 auto;
  flex-wrap:wrap;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 14px;
  font-size:14px;
  font-weight:500;
  color:var(--c-text-2);
  background:var(--c-surface-3);
  border:1px solid transparent;
  border-radius:var(--r-btn);
  position:relative;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-item svg{color:var(--c-secondary);transition:color var(--ease)}
.nav-item:hover{
  background:var(--c-surface);
  border-color:var(--c-border);
  color:var(--c-primary);
}
.nav-item:hover svg{color:var(--c-accent)}
.nav-item.is-active{
  background:var(--c-surface);
  border-color:var(--c-border);
  color:var(--c-primary);
  font-weight:600;
  box-shadow:var(--sh-1);
}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:-1px;
  top:8px;
  bottom:8px;
  width:3px;
  border-radius:999px;
  background:var(--c-accent);
}
.nav-item.is-active svg{color:var(--c-accent)}
.nav-cta{flex:0 0 auto;margin-left:auto}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  margin-left:auto;
  background:var(--c-surface-3);
  border:1px solid var(--c-border);
  border-radius:var(--r-btn);
  color:var(--c-primary);
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--c-surface-2);border-color:var(--c-secondary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:13px 26px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 8px 18px rgba(232,114,42,.22);
}
.btn-primary:hover{background:var(--c-accent-700);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{
  background:var(--c-surface);
  color:var(--c-primary);
  border-color:var(--c-border);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px);box-shadow:none}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-outline-light:hover{background:#fff;color:var(--c-primary);border-color:#fff}
.btn-light{
  background:#fff;
  color:var(--c-primary);
}
.btn-light:hover{background:var(--c-surface-2);color:var(--c-primary);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-secondary);
  background:rgba(60,122,140,.1);
  border-radius:999px;
  white-space:nowrap;
}
.badge-amber{color:var(--c-accent-700);background:rgba(232,114,42,.12)}

/* ---------- Hero ---------- */
.hero{padding-top:56px}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:999px;
  box-shadow:var(--sh-1);
}
.eyebrow::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--c-accent);
}
.hero h1{
  margin-top:22px;
  font-size:44px;
  line-height:1.27;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--c-primary);
}
.hero-sub{
  margin-top:20px;
  font-size:18px;
  line-height:1.7;
  color:var(--c-text-2);
  max-width:34em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.trust-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:stretch;
  gap:0;
  margin-top:36px;
  padding-top:26px;
  border-top:1px dashed var(--c-border);
}
.trust-item{
  padding:0 22px;
  border-left:1px solid var(--c-border);
}
.trust-item:first-child{padding-left:0;border-left:0}
.trust-num{
  display:block;
  font-size:26px;
  font-weight:600;
  line-height:1.2;
  color:var(--c-primary);
  letter-spacing:-.5px;
}
.trust-num small{font-size:13px;font-weight:600;color:var(--c-text-3);margin-left:2px}
.trust-label{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--c-text-3);
}
.hero-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:visible;
  box-shadow:var(--sh-1);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--c-border);
  background:var(--c-surface-2);
}
.hero-info-card{
  position:absolute;
  right:-14px;
  bottom:-22px;
  width:220px;
  padding:16px 18px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-img);
  box-shadow:var(--sh-2);
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.hero-info-card .dot{
  flex:0 0 auto;
  width:32px;
  height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  background:rgba(232,114,42,.12);
  color:var(--c-accent);
}
.hero-info-card strong{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  line-height:1.4;
}
.hero-info-card span{
  display:block;
  margin-top:4px;
  font-size:12px;
  color:var(--c-text-3);
  line-height:1.5;
}

/* ---------- 两栏叙事 ---------- */
.split{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.split-left{position:sticky;top:110px}
.split-left h2{
  font-size:32px;
  line-height:1.38;
  font-weight:700;
  letter-spacing:-.4px;
  color:var(--c-primary);
  margin-top:14px;
}
.split-left p{
  margin-top:16px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-2);
  max-width:20em;
}
.split-list{display:flex;flex-direction:column;gap:14px}
.list-row{
  display:flex;
  gap:18px;
  padding:20px 24px;
  background:var(--c-surface-3);
  border:1px solid transparent;
  border-radius:var(--r-img);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.list-row:hover{
  background:var(--c-surface);
  border-color:var(--c-border);
  box-shadow:var(--sh-1);
  transform:translateY(-2px);
}
.num{
  flex:0 0 auto;
  width:28px;
  height:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:600;
  color:var(--c-accent);
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:50%;
  margin-top:2px;
}
.list-row h3{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--c-primary);
}
.list-row p{
  margin-top:6px;
  font-size:15px;
  line-height:1.75;
  color:var(--c-text-2);
}

/* ---------- 图文交替 ---------- */
.feature-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:center;
  margin-top:32px;
}
.feature-row.reverse{grid-template-columns:7fr 5fr}
.feature-row.reverse .feature-media{order:2}
.feature-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--c-border);
  box-shadow:var(--sh-1);
  background:var(--c-surface-2);
}
.feature-body h3{
  font-size:22px;
  line-height:1.45;
  font-weight:600;
  color:var(--c-primary);
  margin-top:16px;
}
.feature-body p{
  margin-top:14px;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text-2);
  max-width:32em;
}
.mini-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.mini-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.7;
  color:var(--c-text-2);
}
.mini-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:11px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--c-secondary);
}
.panel-stack{display:flex;flex-direction:column;gap:14px;margin-top:32px}

/* ---------- 数据条带 ---------- */
.stat-band{
  background:var(--c-primary);
  border-radius:24px;
  padding:48px 40px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  color:#fff;
}
.stat-cell{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.16);
}
.stat-cell:first-child{padding-left:0;border-left:0}
.stat-cell strong{
  display:block;
  font-size:40px;
  font-weight:600;
  line-height:1.15;
  letter-spacing:-1px;
}
.stat-cell strong small{font-size:16px;font-weight:600;margin-left:3px;opacity:.85}
.stat-cell span{
  display:block;
  margin-top:10px;
  font-size:14px;
  line-height:1.6;
  color:rgba(255,255,255,.72);
}
.band-note{
  margin-top:26px;
  font-size:14px;
  color:var(--c-text-2);
}
.band-note a{
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid var(--c-border);
  padding-bottom:1px;
}
.band-note a:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ---------- 证言 ---------- */
.quote-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.quote-card{
  padding:26px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:box-shadow var(--ease),transform var(--ease);
}
.quote-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.quote-mark{color:var(--c-secondary);margin-bottom:14px}
.quote-card blockquote{
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  flex:1 1 auto;
}
.quote-foot{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px dashed var(--c-border);
}
.avatar{
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--c-surface-2);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  flex:0 0 auto;
}
.quote-foot strong{display:block;font-size:14px;font-weight:600;color:var(--c-primary)}
.quote-foot span{display:block;font-size:12px;color:var(--c-text-3);margin-top:2px}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  padding:24px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  color:var(--c-text);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.news-card:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
  border-color:#D6DEEE;
  color:var(--c-text);
}
.news-card h3{
  margin-top:14px;
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  color:var(--c-text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--ease);
}
.news-card:hover h3{color:var(--c-primary)}
.news-card p{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--c-text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1 1 auto;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--c-border);
  font-size:13px;
  color:var(--c-text-3);
}
.card-meta .arrow{
  color:var(--c-accent);
  font-weight:600;
  transition:transform var(--ease);
}
.news-card:hover .card-meta .arrow{transform:translateX(4px)}
.empty-state{
  grid-column:1 / -1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:48px 24px;
  background:var(--c-surface-3);
  border:1px dashed #C9D4E4;
  border-radius:var(--r-img);
  text-align:center;
}
.empty-state svg{color:var(--c-text-3)}
.empty-state strong{font-size:15px;font-weight:600;color:var(--c-text-2)}
.empty-state span{font-size:13px;color:var(--c-text-3)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-img);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.is-open{border-color:#D6DEEE;box-shadow:var(--sh-2)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-primary);
}
.faq-q .sign{
  flex:0 0 auto;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-accent);
  border-radius:50%;
  color:var(--c-accent);
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-q .sign{background:var(--c-accent);color:#fff}
.faq-a{
  display:none;
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-2);
}
.faq-item.is-open .faq-a{display:block}
.faq-a::before{
  content:"";
  display:block;
  height:1px;
  margin-bottom:16px;
  border-top:1px dashed var(--c-border);
}

/* ---------- 尾部 CTA ---------- */
.cta-band{
  margin-top:var(--section-y);
  background:var(--c-primary);
  color:#fff;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  padding:64px 0;
}
.cta-inner h2{
  font-size:32px;
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.4px;
}
.cta-inner p{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:34em;
}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--c-primary-700);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.foot-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
  letter-spacing:.5px;
}
.foot-brand:hover{color:#fff}
.foot-brand svg{color:var(--c-accent)}
.foot-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
  max-width:24em;
}
.foot-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.16);
  margin-bottom:16px;
}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color var(--ease),transform var(--ease);
}
.foot-col a:hover{color:#fff;transform:translateX(2px)}
.foot-contact li{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
}
.foot-contact li strong{color:#fff;font-weight:600;margin-right:6px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.56);
  flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding-left:24px;padding-right:24px}
  .hero h1{font-size:38px}
  .split-left h2,.sec-head h2,.cta-inner h2{font-size:28px}
  .nav-item{padding:8px 11px;font-size:13px}
  :root{--section-y:80px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-panel{flex-wrap:wrap;min-height:64px;padding:12px 16px;gap:10px}
  .nav-panel.is-open .nav-links{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:8px;
    width:100%;
    margin:10px 0 0;
    padding-top:12px;
    border-top:1px solid var(--c-border);
  }
  .nav-panel.is-open .nav-links .nav-item{justify-content:flex-start}
  .nav-panel.is-open .nav-cta{
    display:flex;
    width:100%;
    margin:6px 0 4px;
  }
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .hero-figure img{aspect-ratio:16/9}
  .hero-info-card{right:12px;bottom:-18px}
  .split{grid-template-columns:1fr;gap:28px}
  .split-left{position:static}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:24px}
  .feature-row.reverse .feature-media{order:0}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:28px 0;padding:36px 28px}
  .stat-cell:nth-child(3){padding-left:0;border-left:0}
  .quote-grid{grid-template-columns:1fr;gap:16px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  :root{--section-y:72px}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  .hero{padding-top:36px}
  .hero h1{font-size:30px;line-height:1.32}
  .hero-sub{font-size:16px}
  .trust-bar{gap:18px 0}
  .trust-item{padding:0 16px}
  .trust-num{font-size:22px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .sec-note{text-align:left;max-width:none}
  .sec-head h2,.split-left h2,.cta-inner h2{font-size:24px}
  .list-row{padding:18px 18px;gap:14px}
  .news-grid{grid-template-columns:1fr}
  .hero-info-card{position:static;width:100%;margin-top:14px}
  .stat-band{grid-template-columns:1fr;padding:32px 22px;gap:24px}
  .stat-cell{padding:0;border-left:0}
  .stat-cell+.stat-cell{padding-top:22px;border-top:1px solid rgba(255,255,255,.16)}
  .stat-cell strong{font-size:34px}
  .quote-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:8px}
  .quote-card{min-width:280px;scroll-snap-align:start}
  .faq-q{font-size:16px;padding:18px}
  .faq-a{padding:0 18px 18px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  :root{--section-y:56px;--r-card:14px}
}
@media (max-width:479px){
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .nav-panel.is-open .nav-links{grid-template-columns:1fr}
  .btn{padding:12px 20px;min-height:46px}
}

/* roulang page: category1 */
:root{
  --c-primary:#1B2559;
  --c-primary-700:#111A40;
  --c-accent:#E8722A;
  --c-accent-700:#C95C1C;
  --c-secondary:#3C7A8C;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F8;
  --c-surface-3:#F3F6FB;
  --c-border:#E4E9F2;
  --c-text:#202637;
  --c-text-2:#5B6779;
  --c-text-3:#8A94A6;
  --c-ok:#2E9E6B;
  --c-warn:#D99A00;
  --c-err:#CE4B45;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,34,74,.04),0 10px 24px rgba(20,34,74,.07);
  --shadow-2:0 6px 14px rgba(20,34,74,.06),0 20px 40px rgba(20,34,74,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent)}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding-top:96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .kicker{width:40px;height:4px;background:var(--c-accent);border-radius:var(--r-pill);margin-bottom:16px}
.section-head h2{
  font-size:32px;line-height:1.35;letter-spacing:-.3px;font-weight:700;color:var(--c-primary);
}
.section-head .note{font-size:13px;line-height:20px;color:var(--c-text-3);font-weight:500;padding-bottom:6px;white-space:nowrap}
.lead{font-size:16px;line-height:1.9;color:var(--c-text-2);max-width:68ch}
.muted{color:var(--c-text-3);font-size:14px;line-height:24px}

/* ---------- header / nav ---------- */
.site-head{position:sticky;top:12px;z-index:50;padding-top:16px}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:18px;
  height:76px;padding:0 16px 0 18px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
  transition:transform .2s ease,background .2s ease;
}
.brand:hover .brand-mark{background:var(--c-primary-700);transform:translateY(-1px)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:-.2px}
.brand-sub{font-size:12px;font-weight:500;color:var(--c-text-3);margin-top:2px;letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-sm);
  background:var(--c-surface-3);
  border:1px solid transparent;
  font-size:14px;font-weight:500;color:var(--c-text-2);
  white-space:nowrap;
  transition:background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-item svg{color:var(--c-text-3);transition:color .18s ease;flex-shrink:0}
.nav-item:hover{background:var(--c-surface);border-color:var(--c-border);color:var(--c-primary);box-shadow:0 1px 2px rgba(20,34,74,.05)}
.nav-item:hover svg{color:var(--c-accent)}
.nav-item.is-active{
  background:var(--c-surface);border-color:var(--c-border);
  color:var(--c-primary);font-weight:600;
  box-shadow:inset 3px 0 0 var(--c-accent),0 1px 2px rgba(20,34,74,.05);
}
.nav-item.is-active svg{color:var(--c-accent)}
.nav-cta{margin-left:6px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;margin-left:auto;
  align-items:center;justify-content:center;
  background:var(--c-surface-3);border:1px solid var(--c-border);border-radius:var(--r-sm);
  color:var(--c-primary);
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:#fff;border-color:var(--c-accent);color:var(--c-accent)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  min-height:48px;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 4px 12px rgba(232,114,42,.24)}
.btn-primary:hover{background:var(--c-accent-700);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(201,92,28,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-border)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#F1F4FA;color:var(--c-primary-700);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.44)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{padding:10px 18px;min-height:40px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid rgba(27,37,89,.18);padding-bottom:2px;position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:var(--c-accent);
  transition:width .18s ease;
}
.text-link:hover{color:var(--c-accent);border-bottom-color:transparent}
.text-link:hover::after{width:100%}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;line-height:20px;
  background:rgba(60,122,140,.1);color:var(--c-secondary);
}
.badge-accent{background:rgba(232,114,42,.12);color:var(--c-accent-700)}
.badge-solid{background:var(--c-primary);color:#fff}
.badge-line{background:#fff;border:1px solid var(--c-border);color:var(--c-text-2)}

/* ---------- hero ---------- */
.hero{padding-top:56px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs span{color:var(--c-text-3)}
.hero h1{
  font-size:44px;line-height:1.24;letter-spacing:-.5px;font-weight:700;color:var(--c-primary);
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--c-accent)}
.hero-sub{font-size:17px;line-height:1.75;color:var(--c-text-2);margin-bottom:28px;max-width:34ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-facts{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  margin-top:34px;padding-top:24px;border-top:1px dashed var(--c-border);
}
.hero-fact{display:flex;flex-direction:column;gap:2px;position:relative;padding-right:22px}
.hero-fact:not(:last-child)::after{
  content:"";position:absolute;right:0;top:6px;width:1px;height:28px;background:var(--c-border);
}
.hero-fact b{font-size:22px;font-weight:600;color:var(--c-primary);line-height:1.2}
.hero-fact span{font-size:13px;color:var(--c-text-3);line-height:20px}
.hero-media{position:relative}
.hero-media .frame{
  border-radius:var(--r-lg);overflow:hidden;background:var(--c-surface-2);
  box-shadow:var(--shadow-1);border:1px solid var(--c-border);aspect-ratio:16/10;
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover}
.hero-card{
  position:absolute;right:-8px;bottom:-24px;width:230px;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);
  box-shadow:var(--shadow-2);padding:16px 18px;
}
.hero-card .ico{
  width:34px;height:34px;border-radius:10px;background:rgba(232,114,42,.12);color:var(--c-accent-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:10px;
}
.hero-card strong{display:block;font-size:14px;font-weight:600;color:var(--c-primary);line-height:1.5}
.hero-card small{display:block;font-size:13px;color:var(--c-text-3);line-height:1.6;margin-top:4px}

/* ---------- feature rows ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:34px 0;
}
.feature-row + .feature-row{border-top:1px dashed var(--c-border)}
.feature-row.is-reverse .feature-text{order:2}
.feature-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-border);
  box-shadow:var(--shadow-1);background:var(--c-surface-2);aspect-ratio:4/3;
  position:relative;
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-media .tag-float{
  position:absolute;left:14px;top:14px;
  background:rgba(17,26,64,.86);color:#fff;font-size:13px;font-weight:500;
  padding:6px 12px;border-radius:var(--r-pill);
}
.feature-text h3{font-size:22px;line-height:1.45;font-weight:600;color:var(--c-primary);margin-bottom:12px}
.feature-text p{font-size:16px;line-height:1.9;color:var(--c-text-2);margin-bottom:18px}
.tick-list{display:flex;flex-direction:column;gap:10px}
.tick-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--c-text)}
.tick-list li svg{flex-shrink:0;color:var(--c-ok);margin-top:5px}

/* ---------- stat band ---------- */
.stat-band{
  margin-top:96px;background:var(--c-primary);border-radius:24px;
  padding:44px 40px;color:#fff;
}
.stat-band h2{font-size:24px;line-height:1.4;font-weight:700;color:#fff;margin-bottom:6px}
.stat-band .sub{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:32px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:0 24px;position:relative}
.stat-item:first-child{padding-left:0}
.stat-item:not(:last-child)::after{
  content:"";position:absolute;right:0;top:4px;bottom:4px;width:1px;background:rgba(255,255,255,.16);
}
.stat-item b{font-size:40px;font-weight:600;line-height:1.1;display:block;color:#fff}
.stat-item b i{font-style:normal;font-size:18px;margin-left:2px;color:rgba(255,255,255,.72)}
.stat-item span{display:block;font-size:14px;color:rgba(255,255,255,.66);margin-top:8px;line-height:1.6}

/* ---------- info panels ---------- */
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.panel{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.panel:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D8E0EE}
.panel .ico{
  width:40px;height:40px;border-radius:12px;background:rgba(60,122,140,.1);color:var(--c-secondary);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.panel h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--c-primary);margin-bottom:8px}
.panel p{font-size:14px;line-height:1.8;color:var(--c-text-2)}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);margin-bottom:14px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:#D8E0EE}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:18px;font-weight:600;line-height:1.5;color:var(--c-primary);
}
.faq-q:hover{color:var(--c-accent-700)}
.faq-icon{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--c-accent);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;line-height:1;
  transition:background .18s ease,color .18s ease;
}
.faq-item.is-open .faq-icon{background:var(--c-accent);color:#fff}
.faq-a{display:none;padding:0 24px 22px;border-top:1px dashed var(--c-border);margin-top:0;padding-top:18px}
.faq-item.is-open .faq-a{display:block}
.faq-a p{font-size:16px;line-height:1.9;color:var(--c-text-2)}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:96px;background:var(--c-primary-700);
  padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-inner h2{font-size:32px;line-height:1.35;font-weight:700;color:#fff;margin-bottom:10px;letter-spacing:-.3px}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ---------- footer ---------- */
.site-foot{background:#111A40;color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.foot-brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-brand:hover{color:#fff}
.foot-brand svg{color:var(--c-accent)}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:30ch}
.foot-col h4{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.16);display:inline-block;
}
.foot-col ul{display:flex;flex-direction:column;gap:12px}
.foot-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .18s ease,transform .18s ease}
.foot-col a:hover{color:#fff;transform:translateX(2px)}
.foot-contact li{font-size:14px;line-height:1.7;color:rgba(255,255,255,.66)}
.foot-contact strong{color:rgba(255,255,255,.9);font-weight:600;margin-right:8px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;line-height:1.7;color:rgba(255,255,255,.56);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .nav-item{padding:7px 11px;font-size:13px}
  .nav-panel{gap:12px;padding:0 14px}
  .hero h1{font-size:38px}
  .hero-grid{gap:36px}
  .section-head h2{font-size:28px}
  .stat-item b{font-size:34px}
}
@media (max-width:1023px){
  .nav-panel{height:68px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    margin-left:0;padding:14px;gap:10px;
    background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
    box-shadow:var(--shadow-2);
    grid-template-columns:1fr 1fr;
  }
  .nav-panel.is-open .nav-links{display:grid}
  .nav-panel.is-open{border-color:#D8E0EE}
  .nav-item{justify-content:flex-start;padding:12px 14px;font-size:14px}
  .nav-cta{display:none}
  .nav-panel.is-open .nav-links .nav-mobile-cta{
    grid-column:1 / -1;display:flex;
  }
  .nav-mobile-cta{display:none}
  .nav-mobile-cta .btn{width:100%}
  .hero{padding-top:40px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-sub{max-width:none}
  .hero-card{right:12px;bottom:-20px;width:210px}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:32px 0}
  .feature-row.is-reverse .feature-text{order:0}
  .panel-grid{grid-template-columns:1fr;gap:18px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:28px 0}
  .stat-item{padding:0 20px}
  .stat-item:nth-child(2)::after{display:none}
  .stat-item:nth-child(2){padding-right:0}
  .stat-item:nth-child(3){padding-left:0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding-top:72px}
  .stat-band{margin-top:72px;padding:36px 28px}
  .cta-band{margin-top:72px;padding:52px 0}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.8}
  .container{padding:0 18px}
  .section{padding-top:56px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:26px}
  .section-head h2{font-size:24px;line-height:1.4}
  .section-head .note{white-space:normal;padding-bottom:0}
  .hero h1{font-size:30px;line-height:1.3}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-facts{gap:0;flex-wrap:wrap}
  .hero-fact{width:50%;padding-right:0;padding-bottom:14px}
  .hero-fact:not(:last-child)::after{display:none}
  .hero-fact b{font-size:20px}
  .hero-card{position:static;width:100%;margin-top:14px}
  .feature-text h3{font-size:19px;line-height:1.45}
  .stat-band{padding:30px 22px;border-radius:18px;margin-top:56px}
  .stat-band h2{font-size:20px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:24px 0}
  .stat-item{padding:0 14px}
  .stat-item b{font-size:28px}
  .stat-item span{font-size:13px}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a{padding:0 18px 18px;padding-top:16px}
  .faq-a p{font-size:15px}
  .cta-inner h2{font-size:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .cta-band{padding:44px 0;margin-top:56px}
  .foot-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .foot-bottom{flex-direction:column;gap:8px;font-size:12px}
  .site-foot{padding-top:48px}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%}
  .nav-links{grid-template-columns:1fr 1fr}
  .nav-item{padding:10px 10px;font-size:13px;gap:4px}
  .nav-item svg{width:14px;height:14px}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{padding:0;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:18px}
  .stat-item::after{display:none}
  .stat-item:last-child{border-bottom:0;padding-bottom:0}
  .brand-name{font-size:16px}
}

/* roulang page: article */
:root{
  --c-primary:#1B2559;
  --c-primary-700:#111A40;
  --c-accent:#E8722A;
  --c-accent-700:#C95C1C;
  --c-secondary:#3C7A8C;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F8;
  --c-border:#E4E9F2;
  --c-text:#202637;
  --c-text-2:#5B6779;
  --c-text-3:#8A94A6;
  --c-success:#2E9E6B;
  --c-warn:#D99A00;
  --c-error:#CE4B45;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(20,34,74,.04), 0 10px 24px rgba(20,34,74,.07);
  --shadow-2:0 6px 14px rgba(20,34,74,.06), 0 20px 40px rgba(20,34,74,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(232,114,42,.18);color:var(--c-primary);}

/* 容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* 导航 */
.site-head{position:sticky;top:12px;z-index:50;margin:12px 0 0;}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  height:76px;
  padding:0 20px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:var(--c-primary);color:#fff;flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.4px;}
.brand-sub{font-size:11px;font-weight:500;color:var(--c-text-3);letter-spacing:.5px;}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:10px;
  border:1px solid transparent;background:#F3F6FB;
  color:var(--c-text-2);font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-item svg{flex:none;color:var(--c-text-3);transition:color .18s ease;}
.nav-item:hover{background:#fff;border-color:var(--c-border);color:var(--c-primary);box-shadow:var(--shadow-1);}
.nav-item:hover svg{color:var(--c-accent);}
.nav-item.is-active{background:#fff;border-color:var(--c-border);color:var(--c-primary);font-weight:600;box-shadow:var(--shadow-1);}
.nav-item.is-active svg{color:var(--c-accent);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:2px;background:var(--c-accent);
}
.nav-cta{flex:none;margin-left:6px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--c-border);background:#fff;color:var(--c-primary);cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--c-accent);color:var(--c-accent);}
.nav-cta-mobile{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn svg{flex:none;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(232,114,42,.24);}
.btn-primary:hover{background:var(--c-accent-700);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,114,42,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-border);}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:#fff;color:var(--c-accent);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;transform:translateY(-1px);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{padding:11px 20px;font-size:14px;}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:32px 0 22px;font-size:14px;color:var(--c-text-3);
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--c-text-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头部 */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;
  align-items:start;
}
.article-main{
  min-width:0;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:36px 40px 44px;
}
.article-head h1{
  font-size:34px;line-height:1.42;font-weight:700;letter-spacing:-.5px;
  color:var(--c-primary);margin:0 0 16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  font-size:14px;color:var(--c-text-3);
  padding-bottom:20px;border-bottom:1px solid var(--c-border);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;line-height:1.6;}
.article-meta time{color:var(--c-text-2);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge-cat{background:var(--c-surface-2);color:var(--c-secondary);border:1px solid rgba(60,122,140,.22);}

/* 正文排版 */
.article-body{padding-top:28px;font-size:16px;line-height:1.9;color:var(--c-text);max-width:760px;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  margin:40px 0 16px;padding-left:14px;
  font-size:26px;line-height:1.45;font-weight:700;color:var(--c-primary);
  border-left:4px solid var(--c-secondary);scroll-margin-top:120px;
}
.article-body h3{
  margin:28px 0 12px;font-size:20px;line-height:1.55;font-weight:600;
  color:var(--c-primary);scroll-margin-top:120px;
}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--c-primary);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:0 0 8px;line-height:1.9;padding-left:2px;}
.article-body ul li::marker{color:var(--c-accent);font-size:.9em;}
.article-body ol li::marker{color:var(--c-secondary);font-weight:600;}
.article-body strong{font-weight:600;color:var(--c-primary);}
.article-body a{color:var(--c-secondary);border-bottom:1px solid rgba(60,122,140,.35);}
.article-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--c-surface-2);
  border-left:4px solid var(--c-accent);
  border-radius:10px;color:var(--c-text-2);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:var(--r-img);background:var(--c-surface-2);margin:24px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{margin-top:10px;font-size:13px;line-height:1.7;color:var(--c-text-3);text-align:center;}
.article-body hr{border:0;border-top:1px dashed var(--c-border);margin:32px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;line-height:1.7;}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-border);text-align:left;vertical-align:top;}
.article-body th{background:var(--c-surface-2);color:var(--c-primary);font-weight:600;}
.article-body pre{
  margin:24px 0;padding:16px 18px;overflow-x:auto;
  background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:10px;
  font-size:14px;line-height:1.7;
}
.article-body code{background:var(--c-surface-2);border-radius:6px;padding:2px 6px;font-size:14px;}
.article-body pre code{background:none;padding:0;}

/* 侧栏 */
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:20px;
}
.side-title{
  display:flex;align-items:center;gap:9px;margin:0 0 14px;
  padding-bottom:12px;border-bottom:1px dashed var(--c-border);
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-accent);flex:none;}
#tocList{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;
  font-size:14px;line-height:1.65;color:var(--c-text-2);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-link:hover{background:var(--c-surface-2);color:var(--c-primary);border-left-color:var(--c-accent);}
.toc-link.lvl3{padding-left:22px;font-size:13.5px;color:var(--c-text-3);}
.side-list{display:flex;flex-direction:column;gap:4px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--c-text-2);
  transition:background .18s ease,color .18s ease;
}
.side-list a svg{color:var(--c-text-3);flex:none;transition:transform .18s ease,color .18s ease;}
.side-list a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.side-list a:hover svg{color:var(--c-accent);transform:translateX(2px);}

/* 空态 */
.empty-state{
  margin:8px 0 4px;padding:48px 24px;text-align:center;
  border:1px dashed var(--c-border);border-radius:12px;background:var(--c-surface-2);
}
.empty-state svg{color:var(--c-text-3);margin:0 auto 12px;}
.empty-state p{font-size:15px;color:var(--c-text-2);margin:0 0 6px;}
.empty-state .empty-tip{font-size:13px;color:var(--c-text-3);margin:0 0 20px;}

/* 板块标题 */
.section{padding:64px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-head h2{
  position:relative;margin:0;padding-top:16px;
  font-size:28px;line-height:1.4;font-weight:700;color:var(--c-primary);
}
.sec-head h2::before{content:"";position:absolute;left:0;top:0;width:40px;height:4px;border-radius:2px;background:var(--c-accent);}
.sec-head .sec-note{font-size:13px;color:var(--c-text-3);line-height:1.6;}

/* 相关推荐卡片 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.post-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D8E0EE;}
.post-thumb{aspect-ratio:4/3;background:var(--c-surface-2);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.post-card:hover h3{color:var(--c-primary);}
.post-desc{
  font-size:14px;line-height:1.7;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-text-3);padding-top:6px;
}
.post-foot .arrow{display:inline-flex;align-items:center;gap:4px;color:var(--c-secondary);transition:transform .18s ease,color .18s ease;}
.post-card:hover .post-foot .arrow{transform:translateX(4px);color:var(--c-accent);}

/* 返回条 */
.back-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px;padding:44px 0 0;}
.text-link{color:var(--c-primary);border-bottom:1px solid rgba(27,37,89,.25);padding-bottom:2px;font-size:14px;font-weight:500;}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}

/* CTA 条带 */
.cta-band{
  margin-top:72px;
  background:var(--c-primary);
  border-radius:24px;
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:28px;line-height:1.4;font-weight:700;color:#fff;margin:0 0 10px;}
.cta-band p{font-size:15px;line-height:1.75;color:rgba(255,255,255,.72);margin:0;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex:none;}

/* 页脚 */
.site-foot{background:var(--c-primary-700);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.foot-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.foot-brand svg{color:var(--c-accent);flex:none;}
.foot-desc{margin:16px 0 0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px;}
.foot-col h4{
  margin:0 0 16px;padding-bottom:10px;
  font-size:14px;font-weight:600;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,transform .18s ease;}
.foot-col a:hover{color:#fff;transform:translateX(2px);}
.foot-contact li{display:flex;gap:8px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.72);}
.foot-contact strong{flex:none;font-weight:500;color:rgba(255,255,255,.45);}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 24px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* 断点 */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .article-head h1{font-size:31px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 296px;gap:32px;}
  .article-main{padding:32px 32px 40px;}
  .sec-head h2{font-size:26px;}
  .cta-band{padding:40px 40px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    padding:14px;gap:8px;
    background:var(--c-surface);border:1px solid var(--c-border);
    border-radius:var(--r-card);box-shadow:var(--shadow-2);
    grid-template-columns:1fr 1fr;
  }
  .nav-links.is-open{display:grid;}
  .nav-item{justify-content:flex-start;padding:11px 14px;}
  .nav-cta-mobile{display:inline-flex;grid-column:1/-1;width:100%;margin-top:4px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 260px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;}
  .cta-actions{width:100%;flex-wrap:wrap;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-body{max-width:none;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-panel{height:64px;padding:0 14px;gap:10px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;}
  .brand-name{font-size:16px;}
  .article-main{padding:24px 20px 32px;}
  .article-head h1{font-size:27px;line-height:1.45;}
  .article-body{font-size:15px;line-height:1.87;padding-top:22px;}
  .article-body h2{font-size:22px;margin:34px 0 14px;}
  .article-body h3{font-size:19px;margin:26px 0 10px;}
  .breadcrumb{margin:22px 0 18px;font-size:13px;}
  .section{padding:52px 0 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .sec-head h2{font-size:24px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .cta-band{border-radius:18px;padding:30px 22px;margin-top:56px;}
  .cta-band h2{font-size:23px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .site-foot{padding-top:48px;margin-top:64px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .back-row{flex-direction:column;align-items:stretch;}
  .back-row .btn{width:100%;}
  .side-card{flex:1 1 100%;}
}
@media (max-width:479px){
  .article-head h1{font-size:24px;}
  .btn{width:100%;}
  .nav-cta,.nav-toggle{width:44px;}
  .nav-toggle{width:44px;}
  .post-body{padding:18px;}
  .article-main{padding:20px 16px 28px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1B2559;
  --c-primary-700:#111A40;
  --c-accent:#E8722A;
  --c-accent-700:#C95C1C;
  --c-secondary:#3C7A8C;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F8;
  --c-surface-3:#F3F6FB;
  --c-border:#E4E9F2;
  --c-text:#202637;
  --c-text-2:#5B6779;
  --c-text-3:#8A94A6;
  --c-ok:#2E9E6B;
  --c-warn:#D99A00;
  --c-err:#CE4B45;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,34,74,.04),0 10px 24px rgba(20,34,74,.07);
  --shadow-2:0 6px 14px rgba(20,34,74,.06),0 20px 40px rgba(20,34,74,.12);
  --space-sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:28px;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding-top:var(--space-sec);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head .head-main{max-width:720px;}
.kicker{
  display:inline-block;
  width:40px;
  height:4px;
  border-radius:2px;
  background:var(--c-accent);
  margin-bottom:16px;
}
h2{font-size:32px;line-height:44px;font-weight:700;color:var(--c-primary);letter-spacing:-.3px;}
h3{font-size:22px;line-height:32px;font-weight:600;}
h4{font-size:18px;line-height:28px;font-weight:600;}
.lead{font-size:16px;line-height:28px;color:var(--c-text-2);margin-top:14px;max-width:68ch;}
.head-note{font-size:13px;line-height:20px;font-weight:500;color:var(--c-text-3);white-space:nowrap;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(232,114,42,.1);
  color:var(--c-accent-700);
  font-size:13px;
  line-height:20px;
  font-weight:600;
  margin-bottom:18px;
}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;
  top:12px;
  z-index:50;
  padding:0 0 4px;
}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  min-height:76px;
  padding:12px 18px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-primary);
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  border-radius:10px;
  background:linear-gradient(160deg,#1B2559,#2C3A7E);
  color:#F5B07A;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.2px;}
.brand-sub{font-size:11px;font-weight:500;color:var(--c-text-3);letter-spacing:.6px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-border);
  border-radius:var(--r-btn);
  background:var(--c-surface-3);
  color:var(--c-primary);
  margin-left:auto;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:#fff;border-color:var(--c-accent);color:var(--c-accent);}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:nowrap;
  margin-left:auto;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 13px;
  border-radius:10px;
  background:var(--c-surface-3);
  border:1px solid transparent;
  color:var(--c-text-2);
  font-size:14px;
  line-height:20px;
  font-weight:500;
  white-space:nowrap;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.nav-item svg{flex-shrink:0;color:var(--c-secondary);transition:color .18s ease;}
.nav-item:hover{
  background:#fff;
  border-color:var(--c-border);
  color:var(--c-primary);
  box-shadow:var(--shadow-1);
}
.nav-item:hover svg{color:var(--c-accent);}
.nav-item.is-active{
  background:#fff;
  border-color:var(--c-border);
  color:var(--c-primary);
  font-weight:600;
  box-shadow:inset 3px 0 0 var(--c-accent),var(--shadow-1);
}
.nav-item.is-active svg{color:var(--c-accent);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 20px;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#fff;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
  box-shadow:0 8px 18px rgba(232,114,42,.24);
}
.nav-cta:hover{background:var(--c-accent-700);color:#fff;transform:translateY(-1px);}
.nav-cta:active{transform:translateY(1px);box-shadow:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  line-height:22px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 10px 22px rgba(232,114,42,.24);
}
.btn-primary:hover{background:var(--c-accent-700);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:#fff;
  color:var(--c-primary);
  border-color:var(--c-border);
  box-shadow:var(--shadow-1);
}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);}
.btn-ghost:active{transform:translateY(1px);box-shadow:none;}
.btn-line{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-line:hover{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
  font-size:14px;
  font-weight:600;
  padding-bottom:2px;
  border-bottom:1px solid var(--c-border);
}
.link-more::after{
  content:"";
  position:absolute;
  left:0;bottom:-1px;
  width:0;height:1px;
  background:var(--c-accent);
  transition:width .18s ease;
}
.link-more:hover{color:var(--c-accent);}
.link-more:hover::after{width:100%;}

/* ---------- Hero ---------- */
.hero{padding:48px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:44px;
  line-height:56px;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--c-primary);
}
.hero-sub{
  margin-top:16px;
  font-size:18px;
  line-height:30px;
  font-weight:600;
  color:var(--c-secondary);
}
.hero-lead{
  margin-top:16px;
  font-size:16px;
  line-height:28px;
  color:var(--c-text-2);
  max-width:60ch;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-stats{
  display:flex;
  align-items:center;
  gap:22px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px dashed #D9E1EE;
  flex-wrap:wrap;
}
.hero-stats li{
  display:flex;
  flex-direction:column;
  padding-right:22px;
  border-right:1px solid var(--c-border);
}
.hero-stats li:last-child{border-right:0;padding-right:0;}
.hero-stats .num{
  font-size:24px;
  line-height:32px;
  font-weight:600;
  color:var(--c-primary);
}
.hero-stats .num small{font-size:13px;font-weight:500;color:var(--c-text-3);margin-left:3px;}
.hero-stats .lbl{font-size:13px;line-height:20px;color:var(--c-text-3);font-weight:500;}
.hero-media{
  position:relative;
  border-radius:var(--r-card);
  background:var(--c-surface-2);
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-1);
  overflow:visible;
}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-card);
}
.media-note{
  position:absolute;
  right:-8px;
  bottom:-20px;
  width:230px;
  display:flex;
  gap:10px;
  padding:14px 16px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:12px;
  box-shadow:var(--shadow-2);
}
.media-note .dot{
  flex-shrink:0;
  width:32px;height:32px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(60,122,140,.12);
  color:var(--c-secondary);
}
.media-note strong{display:block;font-size:14px;line-height:20px;color:var(--c-primary);}
.media-note span{display:block;font-size:12px;line-height:18px;color:var(--c-text-3);}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:1040px;margin:0 auto;}
.timeline::before{
  content:"";
  position:absolute;
  top:8px;bottom:8px;left:50%;
  width:2px;
  margin-left:-1px;
  background:linear-gradient(180deg,rgba(232,114,42,.5),rgba(60,122,140,.35));
  border-radius:2px;
}
.tl-item{
  position:relative;
  width:50%;
  padding:0 56px 40px 0;
}
.tl-item:nth-child(even){
  margin-left:50%;
  padding:0 0 40px 56px;
}
.tl-dot{
  position:absolute;
  top:24px;right:-8px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--c-accent);
  border:2px solid #fff;
  box-shadow:0 0 0 4px rgba(232,114,42,.16);
}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-8px;}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6DFEE;}
.tl-card h3{margin:12px 0 8px;color:var(--c-primary);font-size:20px;line-height:30px;}
.tl-card p{font-size:15px;line-height:27px;color:var(--c-text-2);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:20px;
  font-weight:600;
}
.badge-amber{background:rgba(232,114,42,.12);color:var(--c-accent-700);}
.badge-teal{background:rgba(60,122,140,.12);color:#2F6373;}
.badge-navy{background:rgba(27,37,89,.09);color:var(--c-primary);}
.badge-live{background:rgba(46,158,107,.12);color:var(--c-ok);}

/* ---------- 图文分栏 ---------- */
.split-grid{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-card);
  background:var(--c-surface-2);
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-card);
}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  line-height:27px;
  color:var(--c-text-2);
}
.check-list .tick{
  flex-shrink:0;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(46,158,107,.1);
  color:var(--c-ok);
}
.check-list strong{color:var(--c-text);font-weight:600;}

/* ---------- 左标题 + 右条目 ---------- */
.two-col{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.two-col .col-title{position:sticky;top:110px;align-self:start;}
.panel-list{display:grid;gap:16px;}
.panel-row{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:20px 24px;
  background:var(--c-surface-3);
  border:1px solid transparent;
  border-radius:12px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.panel-row:hover{
  background:#fff;
  border-color:var(--c-border);
  box-shadow:var(--shadow-1);
  transform:translateY(-2px);
}
.panel-row .num{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  display:grid;place-items:center;
  background:#fff;
  border:1px solid var(--c-border);
  color:var(--c-accent);
  font-size:13px;
  font-weight:600;
  margin-top:2px;
}
.panel-row h3{font-size:17px;line-height:26px;color:var(--c-primary);}
.panel-row p{font-size:15px;line-height:26px;color:var(--c-text-2);margin-top:6px;}

/* ---------- 数据条带 ---------- */
.stat-strip{
  margin-top:var(--space-sec);
  background:var(--c-primary);
  border-radius:24px;
  padding:44px 40px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat-strip .stat{
  padding:0 24px;
  border-right:1px solid rgba(255,255,255,.16);
}
.stat-strip .stat:first-child{padding-left:0;}
.stat-strip .stat:last-child{border-right:0;padding-right:0;}
.stat-strip .num{
  font-size:40px;
  line-height:48px;
  font-weight:600;
  color:#fff;
}
.stat-strip .num small{font-size:15px;font-weight:500;color:rgba(255,255,255,.7);margin-left:6px;}
.stat-strip .desc{
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.7);
  margin-top:8px;
}
.strip-foot{
  margin-top:24px;
  display:flex;
  justify-content:flex-start;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:12px;
  box-shadow:var(--shadow-1);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:#D6DFEE;}
.faq-item.is-open{box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:18px;
  line-height:28px;
  font-weight:600;
  color:var(--c-primary);
  min-height:44px;
}
.faq-q:hover{color:var(--c-accent);}
.faq-icon{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  border:1px solid var(--c-accent);
  color:var(--c-accent);
  display:grid;place-items:center;
  font-size:16px;
  line-height:1;
  transition:background .18s ease,color .18s ease;
}
.faq-item.is-open .faq-icon{background:var(--c-accent);color:#fff;}
.faq-a{
  padding:0 24px 22px;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text-2);
  border-top:1px dashed var(--c-border);
  margin-top:-2px;
  padding-top:18px;
}
.faq-a[hidden]{display:none;}

/* ---------- 尾部 CTA ---------- */
.cta-band{
  margin-top:var(--space-sec);
  background:var(--c-primary);
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:30px;line-height:42px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;line-height:26px;margin-top:10px;max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--c-primary-700);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.foot-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:700;
}
.foot-brand:hover{color:#fff;}
.foot-desc{
  margin-top:16px;
  font-size:14px;
  line-height:24px;
  color:rgba(255,255,255,.6);
  max-width:34ch;
}
.foot-col h4{
  font-size:14px;
  line-height:24px;
  font-weight:600;
  color:#fff;
  padding-bottom:10px;
  margin-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-col ul{display:grid;gap:10px;}
.foot-col li{font-size:14px;line-height:24px;}
.foot-col a{
  color:rgba(255,255,255,.72);
  font-size:14px;
  transition:color .18s ease,transform .18s ease;
  display:inline-block;
}
.foot-col a:hover{color:#fff;transform:translateX(2px);}
.foot-contact li{display:flex;gap:10px;font-size:14px;line-height:24px;color:rgba(255,255,255,.66);}
.foot-contact strong{color:#fff;font-weight:600;flex-shrink:0;}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  line-height:20px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .hero h1{font-size:38px;line-height:50px;}
  h2{font-size:28px;line-height:40px;}
  .hero-grid{gap:36px;}
  .split-grid{gap:36px;}
  .two-col{gap:36px;}
}
@media (max-width:1023px){
  :root{--space-sec:72px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    display:none;
    position:absolute;
    top:calc(100% + 8px);
    left:0;right:0;
    margin-left:0;
    padding:12px;
    background:#fff;
    border:1px solid var(--c-border);
    border-radius:var(--r-card);
    box-shadow:var(--shadow-2);
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:8px;
  }
  .nav-links.is-open{display:grid;}
  .nav-item{justify-content:flex-start;white-space:normal;padding:12px 14px;min-height:44px;}
  .nav-cta{margin-left:12px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:-1;}
  .media-note{right:12px;bottom:-18px;}
  .split-grid{grid-template-columns:1fr;}
  .two-col{grid-template-columns:1fr;}
  .two-col .col-title{position:static;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:28px 0;padding:36px 28px;}
  .stat-strip .stat:nth-child(2){border-right:0;padding-right:0;}
  .stat-strip .stat:nth-child(3){padding-left:0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner h2{font-size:26px;line-height:38px;}
}
@media (max-width:767px){
  :root{--space-sec:56px;}
  .container{padding:0 18px;}
  body{font-size:15px;line-height:27px;}
  .hero{padding-top:32px;}
  .hero h1{font-size:30px;line-height:40px;}
  .hero-sub{font-size:16px;line-height:26px;}
  h2{font-size:24px;line-height:34px;}
  h3{font-size:19px;line-height:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:26px;}
  .head-note{white-space:normal;}
  .nav-panel{min-height:64px;padding:10px 12px;gap:10px;}
  .brand-name{font-size:16px;}
  .hero-stats{gap:16px;}
  .hero-stats li{padding-right:16px;}
  .hero-stats .num{font-size:20px;line-height:28px;}
  .timeline::before{left:8px;margin-left:0;}
  .tl-item,.tl-item:nth-child(even){
    width:100%;
    margin-left:0;
    padding:0 0 24px 34px;
  }
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:2px;right:auto;top:22px;}
  .tl-card{padding:20px;}
  .panel-row{padding:18px;}
  .stat-strip{grid-template-columns:1fr;gap:22px;padding:28px 22px;border-radius:18px;}
  .stat-strip .stat,
  .stat-strip .stat:first-child,
  .stat-strip .stat:last-child,
  .stat-strip .stat:nth-child(2),
  .stat-strip .stat:nth-child(3){
    border-right:0;
    padding:0;
    border-bottom:1px solid rgba(255,255,255,.16);
    padding-bottom:18px;
  }
  .stat-strip .stat:last-child{border-bottom:0;padding-bottom:0;}
  .faq-q{padding:16px 18px;font-size:16px;line-height:26px;}
  .faq-a{padding:16px 18px 18px;font-size:15px;}
  .cta-band{padding:48px 0;}
  .cta-inner h2{font-size:23px;line-height:34px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .nav-links.is-open{grid-template-columns:1fr;}
  .media-note{position:static;width:100%;margin-top:12px;box-shadow:var(--shadow-1);}
  .hero-media img{border-radius:var(--r-card) var(--r-card) 0 0;}
  .panel-row{flex-direction:row;gap:14px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1B2559;
  --c-primary-700:#111A40;
  --c-accent:#E8722A;
  --c-accent-700:#C95C1C;
  --c-secondary:#3C7A8C;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F8;
  --c-border:#E4E9F2;
  --c-text:#202637;
  --c-text-2:#5B6779;
  --c-text-3:#8A94A6;
  --c-ok:#2E9E6B;
  --c-warn:#D99A00;
  --c-err:#CE4B45;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,34,74,.04),0 10px 24px rgba(20,34,74,.07);
  --sh-2:0 6px 14px rgba(20,34,74,.06),0 20px 40px rgba(20,34,74,.12);
  --w:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-primary);letter-spacing:-.3px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 18px rgba(232,114,42,.24)}
.btn-primary:hover{background:var(--c-accent-700);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-secondary{background:#fff;border-color:var(--c-border);color:var(--c-primary)}
.btn-secondary:hover{border-color:var(--c-accent);color:var(--c-accent)}
.btn-secondary:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#F3F6FB;transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{min-height:42px;padding:11px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:12px;z-index:50;padding:0}
.nav-panel{
  position:relative;display:flex;align-items:center;gap:18px;
  height:76px;padding:0 18px;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:0}
.brand-sub{font-size:12px;color:var(--c-text-3);font-weight:500;letter-spacing:.6px}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-item{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--r-btn);
  background:#F3F6FB;border:1px solid transparent;
  font-size:14px;font-weight:500;color:var(--c-text-2);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-item svg{color:var(--c-text-3);flex:0 0 auto;transition:color .18s ease}
.nav-item:hover{background:#fff;border-color:var(--c-border);color:var(--c-primary);box-shadow:var(--sh-1)}
.nav-item:hover svg{color:var(--c-accent)}
.nav-item:active{transform:translateY(1px)}
.nav-item.is-active{background:#fff;border-color:var(--c-border);color:var(--c-primary);font-weight:600;box-shadow:var(--sh-1)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-accent);
}
.nav-item.is-active svg{color:var(--c-accent)}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-border);background:#F3F6FB;color:var(--c-primary);
  margin-left:auto;transition:background-color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:#fff;border-color:var(--c-accent);color:var(--c-accent)}

/* ---------- Hero ---------- */
.cat-hero{padding:44px 0 0}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#FFF2E8;border:1px solid #F7DCC9;color:var(--c-accent-700);
  font-size:13px;font-weight:600;
}
.cat-hero h1{font-size:44px;line-height:1.24;margin:18px 0 0;letter-spacing:-.5px}
.hero-sub{font-size:17px;line-height:1.7;color:var(--c-text-2);margin:16px 0 0;max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.trust-row{display:flex;flex-wrap:wrap;margin-top:28px;padding-top:20px;border-top:1px dashed var(--c-border)}
.trust-item{padding:0 26px;border-left:1px solid var(--c-border)}
.trust-item:first-child{padding-left:0;border-left:0}
.trust-num{font-size:24px;font-weight:600;color:var(--c-primary);line-height:1.2}
.trust-num small{font-size:13px;font-weight:500;color:var(--c-text-3);margin-left:3px}
.trust-label{font-size:13px;color:var(--c-text-3);margin-top:2px}
.hero-media{
  position:relative;aspect-ratio:16/10;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-border);box-shadow:var(--sh-1);background:var(--c-surface-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.info-chip{
  position:absolute;right:14px;bottom:14px;width:222px;
  display:flex;gap:10px;align-items:flex-start;
  background:#fff;border-radius:12px;padding:12px 14px;box-shadow:var(--sh-1);
}
.info-chip .ic-dot{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:#FFF2E8;color:var(--c-accent);display:grid;place-items:center;
}
.info-chip b{display:block;font-size:13px;color:var(--c-primary);font-weight:600;line-height:1.5}
.info-chip span{display:block;font-size:12px;color:var(--c-text-3);line-height:1.5}

/* ---------- 主体双栏 ---------- */
.cat-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:32px;align-items:start;margin-top:64px}
.anchor-nav{
  position:sticky;top:108px;
  background:var(--c-surface-2);border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:16px 12px;
}
.anchor-title{font-size:12px;font-weight:600;color:var(--c-text-3);letter-spacing:.6px;padding:0 10px 10px}
.anchor-nav a{
  position:relative;display:block;padding:10px 12px;border-radius:var(--r-btn);
  font-size:14px;color:var(--c-text-2);
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.anchor-nav a:hover{background:#fff;color:var(--c-primary)}
.anchor-nav a.is-current{background:#fff;color:var(--c-primary);font-weight:600;box-shadow:var(--sh-1)}
.anchor-nav a.is-current::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-accent);
}
.cat-main{min-width:0}
.block{scroll-margin-top:120px}
.block + .block{margin-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-size:32px;line-height:1.32;position:relative;padding-top:18px}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;width:40px;height:4px;border-radius:2px;background:var(--c-accent);
}
.section-head h2.noline{padding-top:0}
.section-head h2.noline::before{display:none}
.section-note{font-size:13px;color:var(--c-text-3);line-height:1.6}
.lead{font-size:16px;line-height:1.85;color:var(--c-text-2);max-width:34em;margin:0 0 24px}

/* ---------- 卡片 ---------- */
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.card-media{aspect-ratio:4/3;overflow:hidden;background:var(--c-surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:24px}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 11px;border-radius:var(--r-pill);
  background:#EAF1F4;border:1px solid #D6E4EA;color:#2C6273;
  font-size:12px;font-weight:600;
}
.badge.is-warm{background:#FFF2E8;border-color:#F7DCC9;color:var(--c-accent-700)}
.card h3{font-size:21px;line-height:1.42;transition:color .18s ease}
.card:hover h3{color:var(--c-primary)}
.card-desc{font-size:15px;line-height:1.72;color:var(--c-text-2);margin:0}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px dashed var(--c-border);
  font-size:13px;color:var(--c-text-3);
}
.card-arrow{color:var(--c-text-3);transition:transform .18s ease,color .18s ease}
.card:hover .card-arrow{transform:translateX(4px);color:var(--c-accent)}

/* ---------- 面板行 ---------- */
.panel-list{display:flex;flex-direction:column;gap:14px}
.panel-row{
  display:flex;gap:18px;align-items:flex-start;
  background:#F3F6FB;border:1px solid transparent;border-radius:12px;
  padding:20px 24px;
  transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.panel-row:hover{background:#fff;border-color:var(--c-border);box-shadow:var(--sh-1)}
.panel-num{
  width:28px;height:28px;flex:0 0 auto;border-radius:50%;
  background:#fff;border:1px solid var(--c-border);color:var(--c-accent);
  display:grid;place-items:center;font-size:13px;font-weight:600;
}
.panel-row h3{font-size:18px;line-height:1.5;margin-bottom:4px}
.panel-row p{font-size:15px;line-height:1.75;color:var(--c-text-2);margin:0}

/* ---------- 数据条带 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--c-primary);border-radius:24px;padding:36px 28px;color:#fff;
}
.stat-cell{padding:0 22px;border-left:1px solid rgba(255,255,255,.16)}
.stat-cell:first-child{padding-left:0;border-left:0}
.stat-cell b{display:block;font-size:40px;font-weight:600;line-height:1.1;color:#fff}
.stat-cell b em{font-size:15px;font-style:normal;font-weight:500;color:rgba(255,255,255,.7);margin-left:4px}
.stat-cell span{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-top:6px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:12px;box-shadow:var(--sh-1);overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--c-primary);
}
.faq-q:hover .faq-icon{border-color:var(--c-accent-700);color:var(--c-accent-700)}
.faq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  border:1px solid var(--c-accent);color:var(--c-accent);
  display:grid;place-items:center;font-size:16px;line-height:1;font-weight:500;
  transition:color .18s ease,border-color .18s ease;
}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--c-text-2)}
.faq-a[hidden]{display:none}
.faq-a .faq-inner{border-top:1px dashed var(--c-border);padding-top:16px}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--c-primary);border-radius:24px;padding:44px 40px;margin-top:72px;
}
.cta-band h2{font-size:30px;line-height:1.34;color:#fff;max-width:20em}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.8;margin:10px 0 0;max-width:34em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-primary-700);color:rgba(255,255,255,.72);margin-top:80px;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.foot-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.foot-desc{font-size:14px;line-height:1.85;max-width:330px;margin:0;color:rgba(255,255,255,.66)}
.foot-col h4{
  font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.16);
}
.foot-col li{margin-bottom:10px}
.foot-col a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,transform .18s ease}
.foot-col a:hover{color:#fff;transform:translateX(2px)}
.foot-contact li{font-size:14px;line-height:1.7;margin-bottom:10px;color:rgba(255,255,255,.72)}
.foot-contact strong{color:#fff;font-weight:600;margin-right:8px}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .cat-hero h1{font-size:38px}
  .nav-panel{gap:12px;padding:0 14px}
  .nav-item{padding:8px 11px;font-size:13.5px}
  .card-grid-2{gap:20px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
    padding:14px;background:#fff;border:1px solid var(--c-border);
    border-radius:var(--r-card);box-shadow:var(--sh-2);
  }
  .nav-links.is-open{display:grid}
  .nav-item{justify-content:flex-start;font-size:14px}
  .nav-cta{grid-column:1/-1;width:100%;margin-left:0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2}
  .cat-layout{grid-template-columns:1fr;gap:28px;margin-top:48px}
  .anchor-nav{
    position:static;display:flex;gap:8px;overflow-x:auto;padding:10px;
    -webkit-overflow-scrolling:touch;
  }
  .anchor-title{display:none}
  .anchor-nav a{white-space:nowrap;padding:8px 14px;background:#fff;border:1px solid var(--c-border)}
  .anchor-nav a.is-current{background:var(--c-primary);color:#fff;border-color:var(--c-primary);box-shadow:none}
  .anchor-nav a.is-current::before{display:none}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}
  .stat-cell:nth-child(3){padding-left:0;border-left:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head h2{font-size:27px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  body{font-size:15px;line-height:1.72}
  .nav-panel{height:64px;padding:0 12px;border-radius:14px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-name{font-size:16px}
  .brand-sub{font-size:11px}
  .cat-hero{padding-top:32px}
  .cat-hero h1{font-size:30px;line-height:1.3}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .trust-item{padding:0 16px}
  .trust-item:nth-child(3){padding-left:0;border-left:0;margin-top:14px;flex:1 1 100%}
  .trust-num{font-size:21px}
  .card-grid-2{grid-template-columns:1fr;gap:18px}
  .card-body{padding:20px}
  .card h3{font-size:19px}
  .section-head h2{font-size:24px}
  .section-head{gap:12px}
  .block + .block{margin-top:52px}
  .panel-row{padding:18px;gap:14px}
  .stat-band{padding:28px 20px;border-radius:20px}
  .stat-cell b{font-size:32px}
  .stat-cell{padding:0 14px}
  .cta-band{padding:30px 22px;border-radius:20px;margin-top:56px}
  .cta-band h2{font-size:23px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
}
@media (max-width:479px){
  .cat-hero h1{font-size:26px}
  .trust-row{gap:8px}
  .trust-item{padding:0 12px;flex:1 1 auto}
  .info-chip{width:calc(100% - 24px);right:12px;bottom:12px}
  .stat-band{grid-template-columns:1fr}
  .stat-cell{padding:0;border-left:0}
  .stat-cell + .stat-cell{border-top:1px solid rgba(255,255,255,.16);padding-top:16px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --c-primary:#1B2559;
  --c-primary-700:#111A40;
  --c-accent:#E8722A;
  --c-accent-700:#C95C1C;
  --c-secondary:#3C7A8C;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F8;
  --c-surface-3:#F3F6FB;
  --c-border:#E4E9F2;
  --c-text:#202637;
  --c-text-2:#5B6779;
  --c-text-3:#8A94A6;
  --c-success:#2E9E6B;
  --c-warn:#D99A00;
  --c-error:#CE4B45;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,34,74,.04), 0 10px 24px rgba(20,34,74,.07);
  --sh-2:0 6px 14px rgba(20,34,74,.06), 0 20px 40px rgba(20,34,74,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --sp-section:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
strong{font-weight:600}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  min-height:44px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(232,114,42,.24)}
.btn-primary:hover{background:var(--c-accent-700);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:var(--c-surface);border-color:var(--c-border);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#F3F6FB;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
  font-weight:600;
  font-size:14px;
  padding-bottom:2px;
  border-bottom:1px solid var(--c-border);
  transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:12px;z-index:50;margin-bottom:6px}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  height:76px;
  padding:0 14px 0 18px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.nav-panel.is-open{box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--c-primary);
  color:#F6B37C;
  display:grid;place-items:center;
  flex-shrink:0;
}
.brand-name{display:block;font-size:17px;font-weight:700;color:var(--c-primary);line-height:1.15;letter-spacing:.5px}
.brand-sub{display:block;font-size:11px;color:var(--c-text-3);letter-spacing:.8px;line-height:1.4}

.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 13px;
  border-radius:10px;
  background:var(--c-surface-3);
  border:1px solid transparent;
  font-size:14px;
  font-weight:500;
  color:var(--c-text-2);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-item svg{color:var(--c-text-3);transition:color .2s ease;flex-shrink:0}
.nav-item:hover{background:#fff;border-color:var(--c-border);color:var(--c-primary);box-shadow:var(--sh-1)}
.nav-item:hover svg{color:var(--c-accent)}
.nav-item.is-active{background:#fff;border-color:var(--c-border);color:var(--c-primary);font-weight:600;box-shadow:var(--sh-1)}
.nav-item.is-active svg{color:var(--c-accent)}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:18px;
  border-radius:2px;
  background:var(--c-accent);
}
.nav-cta{margin-left:6px;padding:11px 20px;font-size:14px;flex-shrink:0}
.nav-cta-mobile{display:none}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--c-border);
  background:var(--c-surface-3);
  color:var(--c-primary);
  margin-left:auto;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:#fff;border-color:var(--c-accent);color:var(--c-accent)}

/* ---------- 页面头部 ---------- */
.page-hero{padding:44px 0 8px}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);margin-bottom:24px;flex-wrap:wrap}
.crumb a{color:var(--c-text-2);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.crumb a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.crumb span.sep{color:var(--c-text-3)}
.crumb .cur{color:var(--c-primary);font-weight:600}

.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
}
.badge-soft{background:#E9F1F4;color:var(--c-secondary)}
.badge-amber{background:#FDF0E6;color:var(--c-accent-700)}
.badge-slate{background:var(--c-surface-2);color:var(--c-text-2)}

h1{
  font-size:44px;
  line-height:1.27;
  letter-spacing:-.5px;
  font-weight:700;
  color:var(--c-primary);
  margin-top:16px;
}
.lead{
  margin-top:18px;
  max-width:34em;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:30px;
  padding-top:22px;
  border-top:1px dashed var(--c-border);
  font-size:14px;
  color:var(--c-text-2);
}
.hero-facts b{font-weight:600;color:var(--c-primary);font-size:17px}
.hero-facts .dot{width:1px;height:14px;background:var(--c-border)}

.hero-media{position:relative}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  background:var(--c-surface-2);
}
.hero-tag{
  position:absolute;
  right:-8px;bottom:-18px;
  width:228px;
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:14px 16px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-img);
  box-shadow:var(--sh-2);
}
.hero-tag .t-icon{
  width:32px;height:32px;flex-shrink:0;
  border-radius:9px;
  display:grid;place-items:center;
  background:#FDF0E6;color:var(--c-accent);
}
.hero-tag .t-main{font-size:14px;font-weight:600;color:var(--c-primary);line-height:1.5}
.hero-tag .t-sub{font-size:12px;color:var(--c-text-3);line-height:1.55;margin-top:2px}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-section) 0}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:26px;
  margin-bottom:34px;
  flex-wrap:wrap;
}
.eyebrow{display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-bottom:14px}
h2{font-size:32px;line-height:1.32;font-weight:700;color:var(--c-primary);letter-spacing:-.3px}
.sec-note{font-size:13px;color:var(--c-text-3);line-height:1.7;max-width:30em}
.on-dark h2,.on-dark .sec-note{color:#fff}
.on-dark .sec-note{color:rgba(255,255,255,.7)}

/* ---------- 筛选标签行 ---------- */
.filter-wrap{margin-top:46px}
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:14px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.chip{
  padding:9px 18px;
  min-height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-border);
  background:var(--c-surface-3);
  color:var(--c-text-2);
  font-size:14px;
  font-weight:500;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.chip:hover{background:#fff;border-color:var(--c-accent);color:var(--c-accent)}
.chip:active{transform:translateY(1px)}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}

/* ---------- 卡片网格 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:26px}
.ncard{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.ncard:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D8E0EE}
.ncard-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--c-surface-2)}
.ncard-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ncard:hover .ncard-thumb img{transform:scale(1.04)}
.ncard-body{display:flex;flex-direction:column;gap:10px;padding:24px;flex:1}
.ncard-body h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  color:var(--c-text);
  transition:color .2s ease;
}
.ncard:hover .ncard-body h3{color:var(--c-primary)}
.ncard-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.ncard-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed var(--c-border);
  font-size:13px;
  color:var(--c-text-3);
}
.ncard-foot .tag{color:var(--c-secondary);font-weight:600}

/* ---------- 深色数据条带 ---------- */
.band-wrap{padding:0 0 var(--sp-section)}
.band{
  background:var(--c-primary);
  border-radius:24px;
  padding:48px 44px;
  color:#fff;
}
.band .eyebrow{background:var(--c-accent)}
.band-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.band-item{padding:2px 26px;border-left:1px solid rgba(255,255,255,.16)}
.band-item:first-child{border-left:0;padding-left:0}
.band-num{font-size:40px;font-weight:600;line-height:1.1;letter-spacing:-.5px}
.band-num .unit{font-size:15px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.75)}
.band-text{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.7)}

/* ---------- 阅读顺序 ---------- */
.steps{display:flex;flex-direction:column;gap:14px}
.step{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:20px 24px;
  background:var(--c-surface-3);
  border:1px solid transparent;
  border-radius:var(--r-img);
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step:hover{background:#fff;border-color:var(--c-border);box-shadow:var(--sh-1);transform:translateY(-1px)}
.step-no{
  width:30px;height:30px;flex-shrink:0;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--c-border);
  color:var(--c-accent);
  font-size:14px;
  font-weight:600;
  display:grid;place-items:center;
}
.step h3{font-size:18px;font-weight:600;color:var(--c-primary);line-height:1.5}
.step p{margin-top:6px;font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:64em}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-img);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D8E0EE}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:18px;
  font-weight:600;
  color:var(--c-primary);
  line-height:1.55;
}
.faq-icon{
  position:relative;
  width:26px;height:26px;
  flex-shrink:0;
  border-radius:50%;
  border:1.5px solid var(--c-accent);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--c-accent);
  border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:transform .22s ease,opacity .22s ease}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{padding:0 24px 22px;border-top:1px dashed var(--c-border);margin-top:0}
.faq-a[hidden]{display:none}
.faq-a p{padding-top:18px;font-size:16px;line-height:1.9;color:var(--c-text-2)}

/* ---------- 尾部 CTA ---------- */
.cta-band{background:var(--c-primary);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;max-width:20em}
.cta-inner .cta-desc{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:36em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-primary-700);color:rgba(255,255,255,.72);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.foot-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:#fff;
  font-size:16px;
  font-weight:700;
  letter-spacing:.4px;
  margin-bottom:16px;
}
.foot-brand svg{color:#F6B37C;flex-shrink:0}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:26em}
.foot-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  padding-bottom:12px;
  margin-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;display:inline-block}
.foot-col a:hover{color:#fff;transform:translateX(2px)}
.foot-contact li{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:10px}
.foot-contact strong{color:#fff;font-weight:600;margin-right:8px}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  :root{--sp-section:76px}
  h1{font-size:38px}
  h2{font-size:28px}
  .hero-grid{gap:36px}
  .nav-item{font-size:13px;padding:8px 10px;gap:6px}
  .nav-panel{gap:12px;padding:0 12px 0 14px}
  .band{padding:42px 34px}
  .band-num{font-size:34px}
}

@media (max-width:1023px){
  .container{padding:0 24px}
  :root{--sp-section:68px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;
    position:absolute;
    left:14px;right:14px;
    top:calc(100% + 8px);
    padding:14px;
    grid-template-columns:1fr 1fr;
    gap:10px;
    background:#fff;
    border:1px solid var(--c-border);
    border-radius:var(--r-card);
    box-shadow:var(--sh-2);
    margin-left:0;
    z-index:60;
  }
  .nav-links.is-open{display:grid}
  .nav-item{justify-content:flex-start;padding:12px 14px;font-size:14px;background:var(--c-surface-3)}
  .nav-item.is-active{background:#fff}
  .nav-cta{display:none}
  .nav-cta-mobile{display:inline-flex;grid-column:1 / -1;width:100%;margin-top:4px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{order:2;max-width:620px}
  .hero-tag{right:14px;bottom:-14px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:30px 0}
  .band-item{padding:0 22px}
  .band-item:nth-child(3){border-left:0;padding-left:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}

@media (max-width:767px){
  .container{padding:0 18px}
  :root{--sp-section:56px}
  h1{font-size:30px;line-height:1.35;letter-spacing:-.2px}
  h2{font-size:24px}
  .lead{font-size:16px;line-height:1.8}
  .nav-panel{height:64px;border-radius:14px;padding:0 10px 0 12px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-name{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-facts{gap:10px;font-size:13px}
  .hero-facts .dot{display:none}
  .news-grid{grid-template-columns:1fr}
  .ncard-body{padding:20px}
  .band{padding:32px 24px;border-radius:18px}
  .band-grid{grid-template-columns:1fr;gap:0}
  .band-item{border-left:0;padding:20px 0;border-top:1px solid rgba(255,255,255,.16)}
  .band-item:first-child{border-top:0;padding-top:0}
  .band-num{font-size:32px}
  .step{padding:18px 18px;gap:14px}
  .faq-q{padding:18px;font-size:17px}
  .faq-a{padding:0 18px 18px}
  .cta-band{padding:52px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (max-width:479px){
  .nav-links{grid-template-columns:1fr}
  .hero-tag{position:static;width:100%;margin-top:14px;right:auto;bottom:auto}
  .chip{flex:1 1 calc(50% - 5px);text-align:center;justify-content:center;display:inline-flex;align-items:center}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
}

/* roulang page: category5 */
:root{
  --c-primary:#1B2559;
  --c-primary-700:#111A40;
  --c-accent:#E8722A;
  --c-accent-700:#C95C1C;
  --c-secondary:#3C7A8C;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF2F8;
  --c-panel:#F3F6FB;
  --c-border:#E4E9F2;
  --c-text:#202637;
  --c-text-2:#5B6779;
  --c-text-3:#8A94A6;
  --c-ok:#2E9E6B;
  --c-warn:#D99A00;
  --c-err:#CE4B45;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,34,74,.04),0 10px 24px rgba(20,34,74,.07);
  --sh-2:0 6px 14px rgba(20,34,74,.06),0 20px 40px rgba(20,34,74,.12);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:28px;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- 导航 ---------- */
.site-head{position:relative;z-index:60;padding-top:12px;}
.nav-panel{
  position:sticky;top:12px;z-index:50;
  display:flex;align-items:center;gap:16px;
  min-height:76px;
  padding:12px 16px 12px 20px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-primary);}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--c-primary);color:#fff;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;}
.brand-sub{font-size:11px;color:var(--c-text-3);font-weight:500;letter-spacing:.5px;}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:10px;
  background:var(--c-panel);
  color:var(--c-text-2);
  font-size:14px;font-weight:500;white-space:nowrap;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.nav-item svg{color:var(--c-text-3);transition:color .18s ease;flex:0 0 auto;}
.nav-item:hover{background:#fff;border-color:var(--c-border);color:var(--c-primary);transform:translateY(-1px);}
.nav-item:hover svg{color:var(--c-accent);}
.nav-item.is-active{
  background:#fff;border-color:var(--c-border);
  color:var(--c-primary);font-weight:600;
  box-shadow:inset 3px 0 0 var(--c-accent);
}
.nav-item.is-active svg{color:var(--c-accent);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--c-border);border-radius:10px;
  background:var(--c-panel);color:var(--c-primary);
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:#fff;border-color:var(--c-accent);color:var(--c-accent);}
.nav-cta{flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(232,114,42,.24);}
.btn-primary:hover{background:var(--c-accent-700);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-border);}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-dark-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-dark-ghost:hover{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:14px;font-weight:600;
  border-bottom:1px solid var(--c-border);padding-bottom:2px;
  position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;
  background:var(--c-accent);transition:width .18s ease;
}
.link-more:hover{color:var(--c-accent);}
.link-more:hover::after{width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{font-size:32px;line-height:44px;font-weight:700;color:var(--c-primary);letter-spacing:-.5px;position:relative;padding-top:18px;}
.section-title::before{
  content:"";position:absolute;left:0;top:0;width:40px;height:4px;border-radius:2px;background:var(--c-accent);
}
.section-note{font-size:13px;line-height:20px;color:var(--c-text-3);font-weight:500;max-width:320px;text-align:right;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(60,122,140,.1);color:var(--c-secondary);
  font-size:13px;font-weight:600;line-height:20px;
}
.lead{color:var(--c-text-2);max-width:68ch;}

/* ---------- Hero ---------- */
.hero{padding:48px 0 0;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero h1{
  font-size:44px;line-height:56px;font-weight:700;letter-spacing:-.5px;
  color:var(--c-primary);margin:18px 0 16px;
}
.hero-sub{font-size:17px;line-height:30px;color:var(--c-text-2);max-width:34ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-trust{
  display:flex;align-items:stretch;gap:0;margin-top:36px;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.trust-item{flex:1 1 0;padding:16px 20px;}
.trust-item + .trust-item{border-left:1px solid var(--c-border);}
.trust-num{font-size:22px;font-weight:600;color:var(--c-primary);line-height:30px;}
.trust-num small{font-size:13px;font-weight:500;color:var(--c-text-3);margin-left:2px;}
.trust-label{font-size:13px;line-height:20px;color:var(--c-text-3);font-weight:500;margin-top:2px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  box-shadow:var(--sh-2);background:var(--c-surface-2);
}
.hero-badge{
  position:absolute;right:-12px;bottom:-24px;
  display:flex;gap:10px;align-items:flex-start;
  width:236px;padding:14px 16px;
  background:#fff;border:1px solid var(--c-border);border-radius:12px;box-shadow:var(--sh-2);
}
.hero-badge .dot{
  width:32px;height:32px;flex:0 0 auto;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(232,114,42,.12);color:var(--c-accent);
}
.hero-badge strong{display:block;font-size:14px;line-height:22px;color:var(--c-primary);font-weight:600;}
.hero-badge span{display:block;font-size:12px;line-height:20px;color:var(--c-text-3);}
.hero-rule{border:0;border-top:1px dashed var(--c-border);margin:64px 0 0;}

/* ---------- 对比双栏 ---------- */
.compare{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.compare::before{
  content:"";position:absolute;left:50%;top:10px;bottom:10px;
  border-left:1px dashed #cfd8e6;
}
.compare-col{
  background:var(--c-panel);border:1px solid transparent;border-radius:var(--r-card);
  padding:28px 26px;transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.compare-col:hover{background:#fff;border-color:var(--c-border);box-shadow:var(--sh-1);}
.compare-col h3{font-size:22px;line-height:32px;font-weight:600;color:var(--c-primary);display:flex;align-items:center;gap:10px;}
.compare-col h3 .pill{
  font-size:12px;font-weight:600;line-height:18px;padding:3px 10px;border-radius:999px;
  background:#fff;color:var(--c-secondary);border:1px solid var(--c-border);
}
.compare-col h3 .pill.warm{color:var(--c-accent);}
.compare-col .col-desc{font-size:14px;line-height:24px;color:var(--c-text-2);margin-top:10px;padding-bottom:18px;border-bottom:1px dashed #d9e1ee;}
.compare-list{margin-top:6px;}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid rgba(228,233,242,.9);
  font-size:15px;line-height:26px;color:var(--c-text);
}
.compare-list li:last-child{border-bottom:0;}
.check{
  width:22px;height:22px;flex:0 0 auto;margin-top:2px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;color:var(--c-ok);border:1px solid var(--c-border);
}
.compare-foot{margin-top:18px;font-size:13px;line-height:22px;color:var(--c-text-3);}

/* ---------- 时间节点 ---------- */
.timeline{display:grid;gap:16px;max-width:920px;}
.tl-item{
  display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:start;
  background:var(--c-panel);border:1px solid transparent;border-radius:12px;
  padding:20px 24px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.tl-item:hover{background:#fff;border-color:var(--c-border);box-shadow:var(--sh-1);transform:translateY(-2px);}
.tl-time{font-size:18px;font-weight:600;color:var(--c-accent);line-height:26px;display:flex;align-items:center;gap:8px;}
.tl-time::before{content:"";width:10px;height:10px;border-radius:999px;background:var(--c-accent);flex:0 0 auto;}
.tl-body h3{font-size:18px;line-height:28px;font-weight:600;color:var(--c-primary);}
.tl-body p{font-size:14px;line-height:24px;color:var(--c-text-2);margin-top:4px;}

/* ---------- 数据条带 ---------- */
.band-wrap{padding:96px 0 0;}
.band{
  background:var(--c-primary);border-radius:24px;padding:44px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  box-shadow:var(--sh-2);
}
.band-item{padding:0 24px;}
.band-item + .band-item{border-left:1px solid rgba(255,255,255,.16);}
.band-item:first-child{padding-left:0;}
.band-num{font-size:40px;line-height:48px;font-weight:600;color:#fff;}
.band-num small{font-size:14px;font-weight:500;color:rgba(255,255,255,.65);margin-left:4px;}
.band-label{font-size:14px;line-height:22px;color:rgba(255,255,255,.65);margin-top:6px;}

/* ---------- 入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .18s ease,transform .18s ease;
}
.entry-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.entry-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--c-surface-2);}
.entry-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 12px;border-radius:999px;
  background:rgba(60,122,140,.1);color:var(--c-secondary);
  font-size:12px;font-weight:600;line-height:18px;
}
.entry-body h3{font-size:22px;line-height:32px;font-weight:600;color:var(--c-text);transition:color .18s ease;}
.entry-card:hover .entry-body h3{color:var(--c-primary);}
.entry-body p{font-size:15px;line-height:26px;color:var(--c-text-2);}
.entry-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--c-border);
  font-size:13px;color:var(--c-text-3);font-weight:500;
}
.entry-foot .arrow{transition:transform .18s ease;color:var(--c-accent);}
.entry-card:hover .entry-foot .arrow{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:12px;
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{border-color:#d3dcec;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:18px;line-height:28px;font-weight:600;color:var(--c-primary);
}
.faq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-accent);color:var(--c-accent);
  font-size:16px;line-height:1;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.faq-item.is-open .faq-icon{background:var(--c-accent);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a p{
  padding:0 24px 22px;border-top:1px dashed var(--c-border);
  padding-top:16px;margin:0 24px 22px;padding-left:0;padding-right:0;
  font-size:16px;line-height:30px;color:var(--c-text-2);
}

/* ---------- 尾部 CTA ---------- */
.cta-band{background:var(--c-primary);margin-top:96px;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-inner h2{font-size:32px;line-height:44px;font-weight:700;color:#fff;letter-spacing:-.5px;}
.cta-inner p{font-size:15px;line-height:26px;color:rgba(255,255,255,.72);margin-top:10px;max-width:52ch;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-primary-700);padding:64px 0 28px;color:rgba(255,255,255,.72);}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:inline-flex;align-items:center;gap:8px;color:#fff;font-size:16px;font-weight:700;}
.foot-brand:hover{color:var(--c-accent);}
.foot-desc{font-size:14px;line-height:24px;margin-top:14px;max-width:34ch;color:rgba(255,255,255,.6);}
.foot-col h4{
  font-size:14px;font-weight:600;color:#fff;line-height:22px;
  padding-bottom:10px;margin-bottom:14px;border-bottom:1px solid rgba(255,255,255,.16);
}
.foot-col ul{display:grid;gap:10px;}
.foot-col a{font-size:14px;line-height:22px;color:rgba(255,255,255,.72);display:inline-block;transition:color .18s ease,transform .18s ease;}
.foot-col a:hover{color:#fff;transform:translateX(2px);}
.foot-contact li{font-size:14px;line-height:22px;color:rgba(255,255,255,.66);}
.foot-contact strong{color:#fff;font-weight:600;margin-right:8px;}
.foot-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;line-height:20px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .hero h1{font-size:38px;line-height:50px;}
  .section-title{font-size:28px;line-height:40px;}
  .nav-links{gap:6px;}
  .nav-item{padding:8px 10px;font-size:13px;}
  .band-num{font-size:34px;line-height:42px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-panel{min-height:64px;flex-wrap:wrap;gap:12px;}
  .nav-links{
    display:none;flex:1 1 100%;order:3;
    grid-template-columns:1fr 1fr;gap:8px;justify-content:stretch;
    padding-top:12px;margin-top:4px;border-top:1px dashed var(--c-border);
  }
  .nav-links.is-open{display:grid;}
  .nav-item{justify-content:flex-start;padding:12px 14px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:none;}
  .hero-badge{right:12px;bottom:-20px;}
  .compare{grid-template-columns:1fr;gap:20px;}
  .compare::before{display:none;}
  .band{grid-template-columns:1fr 1fr;gap:28px 0;padding:36px 28px;}
  .band-item:nth-child(3){border-left:0;padding-left:0;}
  .band-item{padding:0 20px;}
  .band-item:nth-child(odd){padding-left:0;}
  .entry-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-note{text-align:left;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:767px){
  body{font-size:15px;line-height:27px;}
  .container{padding:0 18px;}
  .section{padding:56px 0 0;}
  .band-wrap{padding:56px 0 0;}
  .hero{padding:32px 0 0;}
  .hero h1{font-size:30px;line-height:40px;margin:14px 0 12px;}
  .hero-sub{font-size:16px;line-height:28px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-trust{flex-direction:column;}
  .trust-item + .trust-item{border-left:0;border-top:1px solid var(--c-border);}
  .hero-rule{margin-top:40px;}
  .hero-badge{position:static;width:100%;margin-top:16px;right:auto;bottom:auto;}
  .section-title{font-size:24px;line-height:34px;}
  .compare-col{padding:22px 20px;}
  .compare-col h3{font-size:19px;line-height:28px;}
  .tl-item{grid-template-columns:1fr;gap:8px;padding:18px 20px;}
  .band{grid-template-columns:1fr;gap:20px;padding:28px 22px;border-radius:16px;}
  .band-item{padding:0 !important;border-left:0 !important;border-top:1px solid rgba(255,255,255,.14);padding-top:18px !important;}
  .band-item:first-child{border-top:0;padding-top:0 !important;}
  .entry-body{padding:20px;}
  .entry-body h3{font-size:19px;line-height:28px;}
  .faq-q{padding:16px 20px;font-size:17px;line-height:26px;}
  .faq-a p{margin:0 20px 18px;font-size:15px;line-height:28px;}
  .cta-band{margin-top:56px;padding:44px 0;}
  .cta-inner h2{font-size:24px;line-height:34px;}
  .cta-actions{flex-direction:column;width:100%;gap:10px;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .site-foot{padding:48px 0 24px;}
}
@media (max-width:479px){
  .nav-links.is-open{grid-template-columns:1fr 1fr;}
  .btn{width:100%;}
  .hero-actions{gap:10px;}
  .brand-name{font-size:16px;}
  .section-title::before{width:32px;}
}